Review · secondary evidenceReview

Current update and prospects in the development of conductive metal-organic framework electrodes for lithium-based batteries

Samuel O. Ajayi, Tarekegn H. Dolla, Ludwe L. Sikeyi et al. · Materials Today Sustainability · 2024

This dossier represents secondary evidence: section summaries, claims and benchmarks are paraphrased for this database, not quoted. Check quantitative values against the linked primary study, and cite the review itself (10.1016/j.mtsust.2024.100899) for its arguments.

7review sections
8material families
16review claims
18secondary benchmarks
26cited studies
8research gaps

Review scope

To review conductive MOF design principles, lithium-ion, lithium-sulfur and lithium-oxygen battery applications, ML/AI-enabled discovery, and industrial perspectives for c-MOF electrodes.

Coverage
1995–2024
Category
Review Transport Physics
Material scope
Conductive metal-organic frameworks · Pi-conjugated 2D c-MOFs · Metal-catecholate and metal-hexaiminotriphenylene frameworks · Redox-active quinone and sulfur-linked conductive MOFs · c-MOF composites with silicon, carbon nanotubes, or graphene
Transport scope
Electronic conductivity in c-MOFs · Proton versus electron conductive MOFs · Through-bond and through-space electron transfer · Band and hopping transport · Ion transport and lithium-polysulfide interactions in battery electrodes
Application scope
Lithium-ion battery anodes and cathodes · Lithium-sulfur battery cathode hosts · Lithium-oxygen battery cathodes · ML/AI screening for conductive MOF design · Industrial scale-up of MOF synthesis
Explicit exclusions
Primary extraction of full synthesis recipes · Exhaustive transcription of all lithium-battery primary studies · Non-MOF electrode chemistries except as battery background
Source
1-2 · Abstract; Introduction
Evidence role
Context, taxonomy and secondary benchmarking

Section map

The review’s argument is preserved as a navigable set of section summaries.

Application of conductive MOFs as electrodes

8-17

Surveys c-MOF use as LIB anodes/cathodes, Li-S cathode hosts, and Li-O2 cathodes, with Table 1 summarising selected secondary performance benchmarks.

Relevance: Core · 8-17 · 4. Application of conductive MOFs as electrodes in lithium-based batteries · Table 1

Industrial perspectives

21-24

Compares scalable MOF synthesis approaches and highlights continuous flow, microwave, electrochemical, sonochemical and mechanochemical routes as scale-up concepts.

Relevance: Supporting · 21 · 6. Industrial perspectives of MOFs in lithium batteries · Table 2

Introduction

1-2

Frames lithium-based batteries as high-energy storage systems needing improved electrodes, then positions c-MOFs as a response to the insulating behaviour of conventional MOFs.

Relevance: Core · 1-2 · 1. Introduction

Fundamentals of lithium batteries

5-8

Provides background on LIB, Li-S and Li-O2 operating principles, architectures, advantages and failure modes to contextualise c-MOF electrode roles.

Relevance: Supporting · 5-8 · 3. Fundamentals of lithium batteries · Fig. 3; Fig. 4; Fig. 5

Machine learning and artificial intelligence

17-21

Argues that ML/AI can accelerate c-MOF discovery by predicting conductivity, band gaps, linker effects, synthesis conditions, and battery state or performance.

Relevance: Supporting · 18-20 · 5. Machine learning and artificial intelligence · Fig. 13; Fig. 14

Summary and outlook

24

Summarises the review's explicit gaps: ligand cost, scarce Li-S/Li-air c-MOF studies, conductivity standardisation, stability dependence, and cycling-mechanism uncertainty.

Relevance: Core · 24 · 7. Summary and outlook

Overview of conductive MOFs

2-5

Explains how metal ions and organic linkers control conductivity, and distinguishes measurement, proton/electron conduction, through-bond/through-space, band and hopping mechanisms.

Relevance: Core · 2-4 · 2. Overview of conductive MOFs · Fig. 1; Fig. 2

Taxonomies

Classification systems are attributed to this review and are not treated as a global material registry.

Mobile Charge CarrierAuthor-proposed

Charge-carrier class in conductive MOFs

c-MOFs are separated by whether proton motion or electron transport is the dominant conduction function; electron c-MOFs are emphasised for battery electrodes.

Categories: proton c-MOFs · electron c-MOFs

3 · 2.2. Principle and design of conductive MOFs

Chemical Versus Physical Electron Transfer RouteAuthor-proposed

Electron-conduction mechanisms

Electron conduction is organised into chemical routes through covalent metal-ligand overlap or non-covalent pi stacking, and physical descriptions based on delocalised bands or hopping.

Categories: through bond · through space · band theory · hopping theory

3-4 · 2.2. Principle and design of conductive MOFs · Fig. 1

Electrolyte ArchitectureAuthor-proposed

Li-O2 battery architectures

Li-O2 systems are classified by electrolyte design, with different safety, rechargeability and interfacial-resistance implications.

Categories: aprotic · aqueous · hybrid · solid state

7 · 3.3. Li-O2 batteries · Fig. 5

Ligand Electronic Structure And Functional GroupsAuthor-proposed

Organic linker classes for c-MOF conductivity

The review classifies linkers by how functional groups and pi systems influence band gaps, electron delocalisation, and metal-ligand charge transfer.

Categories: rigid bidentate/polydentate · aromatic carbonyl · heteroatom-functionalized · pi-conjugated

2 · 2.1. Chemistry of metal ions and organic ligands/linkers

Battery Chemistry Reviewed For C-MOF ElectrodesAuthor-proposed

Lithium-based battery systems

The article structures application evidence around LIBs, LSBs, and LABs, each with distinct c-MOF electrode functions and failure modes.

Categories: Li-ion batteries · Li-S batteries · Li-O2 batteries

5-8 · 3. Fundamentals of lithium batteries

Mechanism Of Proton MotionAuthor-proposed

Proton conduction pathways

The review distinguishes solvent- or guest-carried proton transport from hydrogen-bond-network proton hopping, while noting pH sensitivity as a practical limitation.

Categories: vehicle mechanism · Grotthuss mechanism

3 · 2.2. Principle and design of conductive MOFs

Industrial Processing MethodAuthor-proposed

Large-scale MOF synthesis routes

The review compares batch and continuous methods by energy use, reaction time, product control, limitations and industrial application.

Categories: solvothermal/hydrothermal · sonochemical · microwave-assisted · electrochemical · mechanochemical · continuous flow

21 · 6.1. Industrially scalable synthesis methods · Table 2

Material families

Review-defined families retain their representative materials and conduction descriptions.

Benzenehexathiol sulfur-linked c-MOFs

2D Conductive Networks And Composites

Sulfur-rich conductive MOFs using benzenehexathiol-type linkers and metal-sulfur kagome or related networks.

Conduction: Pi-d conjugation and sulfur redox activity provide high electronic conductivity and multi-electron storage.

Representative materials: Cu-BHT · rGO/Cu-BHT

Nodes / linkers: Cu · benzenehexathiol · benzenehexathiolate

10 · 4.1. Li-ion batteries · Fig. 8

Dual-ligand 2D c-MOFs

2D

Conductive MOFs combining two organic linkers to balance coordination, add active sites, and tune conductivity.

Conduction: Dual ligands are presented as a way to improve d-pi conjugation, electrical conductivity and Li-storage performance.

Representative materials: Cu3(HHTP)(THQ) · dual-ligand porous coordination polymer chemiresistor

Nodes / linkers: Cu · HHTP · THQ

9 · 4.1. Li-ion batteries · Fig. 6

Catalytic c-MOF cathodes for Li-O2

2D Conductive Cathode Frameworks And Bimetallic Frameworks

Conductive MOF cathodes designed to catalyse oxygen reduction/evolution and manage Li2O2 formation or decomposition.

Conduction: Electronic conductivity, spin-state tuning and bimetallic sites are linked to oxygen redox kinetics and lower overpotential.

Representative materials: Cu-THQ · Ni-NCF · NiRu-HTP · NiCu-BTA

Nodes / linkers: Cu · Ni · Ru · tetrahydroxyquinone · hexaiminotriphenylene · benzenetetramine

15-17 · 4.3. Li-O2 batteries · Fig. 11; Fig. 12; Table 1

Metal-catecholate conductive MOFs

1D Nanorods/Nanowires And Layered 2D Analogues

c-MOFs comprising central metal ions and catecholate or HHTP-type ligands, including nanorods and nanowires.

Conduction: Catecholate coordination and conjugation are linked to rapid Li diffusion and electronic conductivity.

Representative materials: Ni-CAT NRs · Cu-CAT NWs · Ni-HHTP

Nodes / linkers: Ni · Cu · 2,3,6,7,10,11-hexahydroxytriphenylene · catecholate

9 · 4.1. Li-ion batteries

Pi-conjugated 2D c-MOFs

Predominantly Two-Dimensional Layered Frameworks

Layered conductive MOFs built from pi-conjugated ligands and square-planar metal nodes, commonly containing MX4 units.

Conduction: Pi-conjugation and metal-ligand orbital overlap support electronic conductivity and Li-ion storage kinetics.

Representative materials: Ni3(HITP)2 · Cu3(HITP)2 · Cu3(HHTP)2 · 2D Ni-MOF NFs

Nodes / linkers: Ni · Cu · Co · Zn · hexaiminotriphenylene · hexahydroxytriphenylene

9 · 4.1. Li-ion batteries

Quinone and benzoquinoid redox-active c-MOFs

2D And 3D Frameworks

c-MOFs incorporating quinone, tetrahydroxyquinone, dihydroxybenzoquinone or related redox-active linkers.

Conduction: Redox-active carbonyl linkers and metal nodes support electron migration, hopping behaviour and charge-storage capacity.

Representative materials: Fe-THQ · Cu-THQ · (NBu4)2Fe2(DHBQ)3 · Fe2(DHBQ)3

Nodes / linkers: Fe · Cu · tetrahydroxyquinone · dihydroxybenzoquinone · benzoquinoid

11-12 · 4.1. Li-ion batteries · Fig. 8

c-MOF/silicon composites

Composite Anode Architectures

Conductive 2D MOF coatings or matrices used to confine silicon nanoparticles and buffer volume expansion.

Conduction: MOF pores and conductive channels are interpreted as improving electrical contact, Li-ion transport and strain accommodation.

Representative materials: Si@Cu3(HITP)2 · Si/Ni3(HITP)2

Nodes / linkers: Cu · Ni · hexaiminotriphenylene

9 · 4.1. Li-ion batteries · Fig. 7

Tetrathiafulvalene through-space MOFs

Stacked Columnar Or Helical MOF Arrangements

MOFs using TTF-based linkers to create close-range pi-stacked or S-S through-space transport pathways.

Conduction: Non-covalent stacking and close S-S interactions are used to increase orbital overlap and charge mobility.

Representative materials: Zn2(TTFTB) · Cd2(TTFTB)

Nodes / linkers: Zn · Cd · tetrathiafulvalene tetrabenzoate

4 · 2.2. Principle and design of conductive MOFs

Synthesis strategies

Review-level synthesis principles remain separate from primary-study recipes.

Use c-MOFs as conductive buffering matrices

Couple conductive MOFs with silicon, CNTs, rGO or related materials to improve conductivity, suppress aggregation, adsorb intermediates, or buffer volume change.

Claimed effects: Improves electrical contact, ion diffusion, volume-change tolerance or Li-polysulfide control.

Controlling variables: composite ratio · MOF coating amount · particle confinement · conductive additive

Representative materials: Si@Cu3(HITP)2 · Si/Ni3(HITP)2 · rGO/Cu-BHT · S@Ni3(HITP)2

Caveat: Primary optimisation of compositions must be checked in original studies; the review provides secondary comparison only.

9-13 · 4.1; 4.2 · Fig. 7; Fig. 9

Dual-ligand c-MOF construction

Combine two ligands in one conductive framework to tune coordination competition, conductivity and lithium-storage reactions.

Claimed effects: Provides a route to overcome constraints of single-ligand 2D c-MOF electrodes.

Controlling variables: ligand ratio · coordination balance · redox-active site distribution · framework order

Representative materials: Cu3(HHTP)(THQ)

Caveat: The strategy is represented by a small number of recent exemplars rather than a broad mature class.

9 · 4.1. Li-ion batteries · Fig. 6

Scale MOF production through process-intensified synthesis

Apply microwave, sonochemical, electrochemical, mechanochemical, solvothermal/hydrothermal or continuous-flow methods for larger-scale MOF production.

Claimed effects: Can improve production rate, product control or environmental profile relative to conventional batch methods.

Controlling variables: reaction time · solvent consumption · energy efficiency · space-time yield · product morphology

Representative materials: HKUST-1 · UiO-66 · NOTT-400 · MIL-53(Al) · ZIF-8

Caveat: Scale-up discussion mostly concerns MOF production generally, not necessarily battery-qualified c-MOF electrodes.

21-24 · 6. Industrial perspectives · Table 2; Fig. 18

Design intrinsically conductive MOFs from conjugated ligands and d7-d9 metals

Use transition metals and highly conjugated organic linkers to build frameworks with better orbital overlap, carrier concentration and charge transport.

Claimed effects: Improves electronic conductivity compared with conventional insulating MOFs and supports lithium storage.

Controlling variables: metal ion identity and valence · linker conjugation · metal-ligand coordination geometry · band gap

Representative materials: Ni3(HITP)2 · Cu3(HHTP)2 · Cu-BHT

Caveat: The review treats this as a design principle but also notes that conductivity thresholds are not standardised for battery use.

2 · Introduction; 2.1

ML-assisted screening and prediction

Use ML models to predict band gaps, conductivity, linker effects, synthesis routes, state of health, or battery performance before costly experiments.

Claimed effects: Reduces computational and experimental search burden and prioritises candidates for DFT or synthesis.

Controlling variables: training dataset · material descriptors · target property · model architecture · validation strategy

Representative materials: CoRE-MOF candidate set · metallic MOFs from multi-model voting · low-band-gap MOFs

Caveat: The review notes ML for c-MOF discovery remains developing, with training-set breadth, band-gap reference accuracy and uncertainty estimates still needing improvement.

18-20 · 5.1; 5.2 · Fig. 13; Fig. 14

Integrate redox-active ligands into c-MOFs

Embed quinone, HATN, TQ or related redox-active moieties into conductive frameworks to increase active-site exposure and charge-storage capacity.

Claimed effects: Enhances lithium storage capacity, cycling stability and mass transfer by combining conductivity with redox activity.

Controlling variables: redox-active linker identity · metal node · pore/channel order · active-site density

Representative materials: Cu-HATN · Cu-HHTQ · Cu-THQ

Caveat: Organic redox compounds can suffer low conductivity and dissolution unless immobilised in conductive frameworks.

9 · 4.1. Li-ion batteries · Fig. 7

Through-bond metal-ligand orbital overlap

Select metal-ligand pairs with energetic and spatial orbital overlap so covalent paths enable charge transfer.

Claimed effects: Creates chemical electron-transfer pathways and can raise conductivity when metal centres provide high-energy carriers.

Controlling variables: metal redox state · metal-ligand orbital overlap · unpaired electron availability · coordination structure

Representative materials: Cu[Cu(pdt)2] · Cu[Ni(pdt)2] · Ni-CAT-1

Caveat: Changing the metal centre can reduce conductivity sharply; the review uses Cu/Ni dithiolene substitution as the cautionary example.

3 · 2.2. Principle and design of conductive MOFs · Fig. 1

Through-space stacking and guest-assisted transport

Use pi-pi stacking, close S-S interactions or redox-active guest molecules to create non-covalent charge-transfer paths.

Claimed effects: Adds pathways for electron movement in porous frameworks without requiring continuous covalent connectivity.

Controlling variables: pi-stacking distance · guest identity · redox activity · pore geometry

Representative materials: Zn2(TTFTB) · TTF-based MOFs

Caveat: The review presents through-space transport conceptually and does not provide broad battery-electrode validation for TTF examples.

4 · 2.2. Principle and design of conductive MOFs

Review claims

These are the review authors’ synthesis, not newly measured results.

Consensus SummaryHigh supportStructure Property Link

The review identifies 2D c-MOFs with pi-conjugated ligands and MX4 redox sites as a major emerging class for LIB electrodes.

Evidence basis: multi_reference

Caveat: Some highlighted materials are recent and may not yet be broadly reproduced.

9 · 4.1 · Fig. 6; Fig. 7

Consensus SummaryHigh supportApplication Relevance

c-MOFs are framed as effective lithium-battery electrodes because redox sites, surface area, porosity and conductivity support reaction sites and fast electron/ion movement.

Evidence basis: multi_reference

Caveat: The claim is secondary synthesis; individual battery metrics require primary-study confirmation.

4-5 · 2.2

Author InterpretationHigh supportCaveat

Despite progress, the review concludes that c-MOF electrode commercialisation in lithium-based batteries has not yet been realised.

Evidence basis: review_reasoning

Caveat: Statement reflects the review authors' 2024 outlook.

24 · 7. Summary and outlook

Author InterpretationHigh supportStructure Property Link

Continuous pi-electron ligands and suitable metal nodes are presented as the main chemical route to intrinsically conductive c-MOFs.

Evidence basis: multi_reference

Caveat: Conductivity also depends on morphology, stacking, defects and measurement protocol.

2 · 2.1

Author InterpretationMedium supportTransport Mechanism

Electron-conductive MOFs are described as having higher intrinsic conductivity than proton-conductive MOFs because of higher carrier concentration and orbital stacking.

Evidence basis: multi_reference

Caveat: The statement is qualitative and framed in the review rather than as a universal quantitative rule.

3 · 2.2

Consensus SummaryHigh supportMaterial Comparison

Conventional MOF electrodes based on non-conjugated ligands are portrayed as limited by restricted electronic conductivity, sluggish kinetics and weak redox activity.

Evidence basis: multi_reference

Caveat: The review summarises broad trends rather than comparing every conventional MOF class.

9 · 4.1

Consensus SummaryHigh supportApplication Relevance

For Li-O2 batteries, c-MOF conductivity and catalytic metal centres are presented as routes to improve oxygen redox kinetics, overpotential and cycling stability.

Evidence basis: multi_reference

Caveat: The review states Li-O2 c-MOF applications remain early-stage and not commercialised.

15-17 · 4.3 · Fig. 11; Fig. 12

Consensus SummaryHigh supportApplication Relevance

For Li-S batteries, the review argues that ideal hosts must combine polysulfide adsorption, rapid Li-ion diffusion and sufficient electronic conductivity.

Evidence basis: multi_reference

Caveat: The extent of adsorption-catalysis-conductivity coupling varies by material and should be checked in primary papers.

12-13 · 4.2 · Fig. 9

DescriptiveMedium supportMeasurement Interpretation

The review distinguishes resistivity/conductivity definitions and two- versus four-probe methods, noting that two-probe measurements include wires and contacts.

Evidence basis: review_reasoning

Caveat: This is a general measurement caveat; the review does not audit each benchmark's measurement geometry.

3 · 2.2

Consensus SummaryHigh supportStructure Property Link

Changing metal centres can strongly alter conductivity because metal d orbitals, valence states and redox potentials affect carrier density and electron transfer.

Evidence basis: single_reference

Caveat: The Cu/Ni dithiolene comparison is a specific exemplar, not a complete metal-selection rule.

3 · 2.2 · Fig. 1

SpeculativeMedium supportStructure Property Link

The review specifically proposes ML/AI for conjugated-linker selection and design because linker chemistry affects conductivity, redox properties, ion transport and stability.

Evidence basis: review_reasoning

Caveat: This is a forward-looking design claim rather than a demonstrated lithium-battery c-MOF workflow in the review.

19-20 · 5.1; 5.2

Author InterpretationMedium supportSynthesis Strategy

ML is presented as a way to avoid expensive trial-and-error and high-throughput DFT by predicting band gaps, conductivity and promising candidates.

Evidence basis: multi_reference

Caveat: The review describes ML as promising but not fully realised for c-MOF discovery.

18-20 · 5.1; 5.2 · Fig. 14

Consensus SummaryHigh supportDefinition Scope

Conventional MOFs are attractive for batteries because of porosity and designability, but their low conductivity is a central bottleneck for electrode use.

Evidence basis: multi_reference

Caveat: The review uses broad literature ranges; primary measurements should be used for exact values.

2 · Introduction

Author InterpretationMedium supportStructure Property Link

Particle morphology and pore openness are described as important for lithium-ion storage kinetics in conductive MOFs.

Evidence basis: single_reference

Caveat: The review cites a Cu3(HHTP)2 morphology example; broader morphology rules need original-study support.

11 · 4.1

Consensus SummaryHigh supportCaveat

Industrial use of MOFs requires control of raw-material cost, reproducibility, product quality, environmental compliance, safety and process efficiency.

Evidence basis: review_reasoning

Caveat: The scale-up discussion is MOF-general and only partly specific to conductive battery MOFs.

21 · 6. Industrial perspectives · Table 2

Author InterpretationHigh supportCaveat

The review states that conductive/non-conductive categorisation is not standardised solely by conductivity values in lithium-battery contexts.

Evidence basis: review_reasoning

Caveat: Useful as a chapter caveat against treating reported conductivity numbers as directly comparable.

24 · 7. Summary and outlook

Secondary benchmarks

Every row remains visibly secondary and links to a primary dossier only where the mapping is verified.

MaterialPropertyReported valueContext and qualityPrimary evidenceReview source
Secondary2D Ni-MOF NFsElectrical conductivity2 S cm^-1Review text comparison with holey graphite
Text · Exact Reported
No verified corpus mapping9 · 4.1 · Fig. 6
SecondaryCu-BHTReversible capacity175 mAh g^-1LIB cathode, 300 mA g^-1, 500 cycles
Table · Exact Reported
research_036517 · 4; Table 1 · Table 1
SecondaryCu-BHTElectrical conductivity1580 S cm^-1Reported as high electrical conductivity in review
Text · Exact Reported
research_000610 · 4.1
SecondaryCu-HATNReversible capacity763 mAh g^-1LIB anode, 300 mA g^-1, 600 cycles
Table · Exact Reported
research_033617 · 4; Table 1 · Table 1
SecondaryCu3(HHTP)(THQ)Reversible capacity624.8 mAh g^-1LIB anode, 300 mA g^-1, 200 cycles
Table · Exact Reported
No verified corpus mapping17 · 4; Table 1 · Table 1
SecondaryCu-THQCapacity range1000-2000 mAh g^-1LAB cathode, 100-200 mA g^-1, 100-300 cycles
Table · Range
research_082017 · 4; Table 1 · Table 1
SecondaryCu[Cu(pdt)2]Electrical conductivity6 x 10^-4 S/cm300 K
Text · Exact Reported
research_02013 · 2.2
SecondaryCu[Ni(pdt)2]Electrical conductivity1 x 10^-8 S/cmRoom temperature
Text · Exact Reported
research_02033 · 2.2
SecondaryFe-THQElectrical conductivity3.3 +/- 0.55 mS cm^-1300 K
Text · Exact Reported
research_00664 · 2.2
SecondaryMOF structures from CoRE-MOFs databaseML screening set and metallic hits2937 MOFs screened; 6 intrinsic metallic variations identifiedML with multi-voting and ab initio calculations
Text · Exact Reported
research_068218 · 5.1 · Fig. 14
SecondaryConventional MOFsTypical electrical conductivity10^-8 to 10^-10 S/cm, or insulating behavior below 10^-10 S/cmGeneral MOF conductivity range reported in review introduction
Text · Range
No verified corpus mapping2 · Introduction
SecondaryNi-HHTPReversible capacity910 mAh g^-1LSB cathode, 0.2 C, 200 cycles
Table · Exact Reported
research_002117 · 4; Table 1 · Table 1
SecondaryNi3(HITP)2Retained capacity848.9 mAh g^-1LSB cathode, 0.2 C, 100 cycles
Table · Exact Reported
No verified corpus mapping17 · 4; Table 1 · Table 1
SecondaryNi-NCFCapacity16800 mAh g^-1LAB cathode, 500 mA g^-1, 200 cycles
Table · Exact Reported
No verified corpus mapping17 · 4; Table 1 · Table 1
SecondaryNiCu-BTACapacity23,000 mAh g^-1LAB cathode, 100 mA g^-1, 113 cycles
Table · Exact Reported
No verified corpus mapping17 · 4; Table 1 · Table 1
SecondaryNiRu-HTPCapacity15080 mAh g^-1LAB cathode, 500 mA g^-1, 200 cycles
Table · Exact Reported
research_061317 · 4; Table 1 · Table 1
SecondarySi@Cu3(HITP)2Reversible capacity1039 mAh g^-1LIB anode, 1C, 1000 cycles
Table · Exact Reported
research_077717 · 4; Table 1 · Table 1
SecondarySi/Ni3(HITP)2Reversible capacity876 mAh g^-1LIB anode, 1C, 1000 cycles
Table · Exact Reported
No verified corpus mapping17 · 4; Table 1 · Table 1

Research gaps

Open questions are presented as review-author priorities, not conclusions from the primary database.

Conductivity classification and reporting

High

Conductive versus non-conductive MOF classification is not standardised by conductivity values for lithium-based battery applications.

Proposed direction: Standardise conductivity values and reporting protocols for c-MOF industrial scalability in lithium batteries.

24 · 7. Summary and outlook

Battery cycling mechanism

High

The mechanisms of c-MOF electrodes during lithium-battery cycling, electrolyte interactions and structural changes remain insufficiently resolved.

Proposed direction: Investigate electrolyte interactions and structural/electrochemical evolution of c-MOF electrodes during cycling.

24 · 7. Summary and outlook

Ion transport in LIB c-MOFs

Medium

Efficient ion transport is described as crucial for fast charging and optimal performance, but remains inadequately understood for c-MOF LIB electrodes.

Proposed direction: Combine theoretical and experimental methods to elucidate Li-ion storage and transport mechanisms.

12 · 4.1

Cost and scalability of organic ligands

High

High costs of sophisticated ligand synthesis restrict c-MOF use in electrochemical devices to laboratory scale.

Proposed direction: Develop cost-effective, scalable and efficient routes to high-quality organic ligands.

24 · 7. Summary and outlook

Li-O2 c-MOF commercialisation

Medium

Li-O2 c-MOF applications are described as early-stage and not commercialised because of high production costs and ligand-design difficulty.

Proposed direction: Reduce c-MOF production cost and simplify organic ligand design for practical Li-O2 cathodes.

17 · 4.3

Limited Li-S and Li-air c-MOF evidence

High

Few studies have examined c-MOF electrodes in Li-S and Li-air batteries compared with the potential application space.

Proposed direction: Investigate suitability and efficacy of c-MOFs in Li-S and Li-air battery electrode roles.

24 · 7. Summary and outlook

ML model maturity for conductive MOFs

Medium

ML has promise for c-MOF discovery, but broader training sets, more precise reference band gaps and better prediction-uncertainty methods are needed.

Proposed direction: Expand datasets, improve reference calculations and develop uncertainty-aware screening tools.

20 · 5.2

Stability-structure relationships

High

c-MOF stability depends on particle size, crystallinity, linker, metal ion, synthesis route, acid/base conditions, pressure and temperature.

Proposed direction: Systematically connect structural attributes and operating environments to electrochemical cycling stability.

24 · 7. Summary and outlook

Cited-study map

Mappings show which printed review references have a verified counterpart in the frozen primary corpus.

Show 26 cited-study records
ReferenceStudyRole and contextCorpus mapping
Ref. 172023Conductive metal-organic frameworks for rechargeable lithium batteriesprior_review · battery_contextCited as one of the notable earlier reviews on c-MOF electrode materials for lithium-based batteries.Unmapped
Ref. 182020Conductive metal-organic frameworks: mechanisms, design strategies and recent advancestransport_review · conductivity_contextSupports the review's conductivity bottleneck and target-conductivity framing for MOFs.Unmapped
Ref. 202020Electrically conductive metal-organic frameworkstransport_review · definition_contextCited for broader conductive-MOF preparation and design context.Unmapped
Ref. 242024Synthesis of conductive MOFs and their electrochemical application10.1002/smll.202308264synthesis_review · ligand_taxonomySupports the review's classification of ligand types and their influence on c-MOF electronic transport.Unmapped
Ref. 292020Valence-dependent electrical conductivity in a 3D tetrahydroxyquinone-based metal-organic frameworktransport_benchmark · hopping_transportUsed by the review as a band/hopping transport example and secondary conductivity benchmark.research_0066
Ref. 422009Electroconductive porous coordination polymer Cu [Cu (pdt) 2] composed of donor and acceptor building unitstransport_benchmark · through_bondThrough-bond exemplar cited for conductivity and activation energy in a Cu-based dithiolene MOF.research_0201
Ref. 432010Conductivity, doping, and redox chemistry of a microporous dithiolene-based metal-organic frameworktransport_benchmark · metal_substitutionUsed for the Cu-to-Ni substitution comparison in dithiolene MOFs and lower conductivity.research_0203
Ref. 442023Synthesis of conductive MOFs and their electrochemical applicationfigure_source · transport_mechanismsFigure source for the review's four transport mechanism schematics and used for broad c-MOF battery-electrode rationale.Unmapped
Ref. 482015A two-dimensional pi-d conjugated coordination polymer with extremely high electrical conductivity and ambipolar transport behaviourtransport_benchmark · conductive_frameworkCited for Cu-BHT's very high conductivity and as background for rGO/Cu-BHT anode enhancement.research_0006
Ref. 812021Graphene analogue metal organic framework with superior capacity and rate capability as an anode for lithium ion batteriesLIB_anode · transport_benchmarkUsed for a 2D Ni-MOF nanofilament conductivity and LIB anode performance discussion.Unmapped
Ref. 852023One-step synthesis of dual-ligand 2D conductive metal-organic framework for high-performance lithium storageLIB_anode · dual_ligandSelected as the dual-ligand 2D c-MOF example for high-performance LIB storage.Unmapped
Ref. 892023Stabilizing redox-active hexaazatriphenylene in a 2D conductive metal-organic framework for improved lithium storage performanceLIB_anode · redox_active_ligandSupports the review's redox-active HATN c-MOF performance discussion and Table 1 benchmark.research_0336
Ref. 912021Si nanoparticles confined within a conductive 2D porous Cu-based metal-organic framework (Cu3 (HITP) 2) as potential anodes for high-capacity Li-ion batteriesLIB_anode · composite_benchmarkSelected composite benchmark where a conductive MOF confines silicon nanoparticles.research_0777
Ref. 952019A highly conductive MOF of graphene analogue Ni3 (HITP) 2 as a sulfur host for high-performance lithium-sulfur batteriesLSB_cathode · polysulfide_hostSupports the first experimental Ni3(HITP)2 sulfur-host example and Table 1 LSB benchmark.Unmapped
Ref. 962020Coupling of a conductive Ni 3 (2, 3, 6, 7, 10, 11-hexaiminotriphenylene) 2 metal-organic framework with silicon nanoparticles for use in high-capacity lithium-ion batteriesLIB_anode · composite_benchmarkSelected for the Ni3(HITP)2/silicon composite capacity benchmark and conductivity/volume expansion discussion.Unmapped
Ref. 1002019Conductive metal-organic framework with redox metal center as cathode for high rate performance lithium ion batteryLIB_cathode · redox_metal_centerUsed for Cu3(HHTP)2 cathode performance and the Cu2+/Cu+ redox-centre discussion.research_0273
Ref. 1062020A redox-active 2D metal-organic framework for efficient lithium storage with extraordinary high capacityLIB_cathode · redox_active_ligandSupports the review's discussion of Cu-THQ and redox-active ligands in LIB cathodes.Unmapped
Ref. 1142021Conductive metal-organic frameworks promoting polysulfides transformation in lithium-sulfur batteriesLSB_cathode · polysulfide_transformationUsed for Ni-HHTP Li-S cathode performance and conductivity/adsorption comparison with Ni-BTC.research_0021
Ref. 1192022Nanostructured conductive metal organic frameworks for sustainable low charge overpotentials in Li-air batteriesLAB_cathode · overpotentialSupports the review's Cu-THQ Li-air cathode discussion and Table 1 LAB benchmark.research_0820
Ref. 1202022Spin-state manipulation of two-dimensional metal-organic framework with enhanced metal-oxygen covalency for lithium-oxygen batteriesLAB_cathode · spin_stateUsed for the spin-state manipulation mechanism and Ni-NCF Li-O2 performance.Unmapped
Ref. 1212022Atomic Ruthenium-Riveted metal-organic framework with tunable d-band modulates oxygen redox for lithium-oxygen batteriesLAB_cathode · bimetallic_catalysisSupports the bimetallic NiRu-HTP oxygen-redox kinetics discussion and Table 1 LAB benchmark.research_0613
Ref. 1222023Rechargeable non-aqueous lithium-O2 batteries: novel bimetallic (Ni-Cu) conductive coordination polymer cathodesLAB_cathode · bimetallic_catalysisUsed for NiCu-BTA Li-O2 ORR/OER and Table 1 high-capacity benchmark.Unmapped
Ref. 1342021Computational techniques for characterisation of electrically conductive MOFs: quantum calculations and machine learning approaches10.1039/d1tc02543kML_review · computational_screeningSource for the computational approaches flow chart and ML/DFT discussion for conductive MOFs.Unmapped
Ref. 1522018Metallic metal-organic frameworks predicted by the combination of machine learning methods and ab initio calculations10.1021/acs.jpclett.8b01707ML_screening · metallic_MOF_predictionCited for ML screening of 2937 MOFs and identification of six intrinsic metallic variants.research_0682
Ref. 1962014Versatile, high quality and scalable continuous flow production of metal-organic frameworks10.1038/srep05443scaleup · continuous_flowSupports the review's continuous-flow scale-up discussion and Fig. 18.Unmapped
Ref. 762020Highly conductive two-dimensional metal-organic frameworks for resilient lithium storage with superb rate capabilityLIB_cathode · conductive_frameworkUsed as the Cu-BHT LIB cathode example in Fig. 8 and Table 1.research_0365