Primary studyCore evidenceTransport Physics

Li + Ion-Conducting Sulfonate-Based Neutral Metal-Organic Framework

Panda D.K., Maity K., Palukoshka A. et al. · ACS Sustainable Chemistry and Engineering · 2019 · 4619-4624

2materials
7samples
4synthesis routes
14measurements
33results
5claims and caveats

Evidence map

Open a family to keep every result attached to its sample, method and conditions.

Author interpretations and caveats

Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.

Application RelevanceSupport assessment: Medium

The authors claim this is the first example of Li+ ion conductivity in a neutral, solvent-free, not post-synthetically modified sulfonate MOF.

Caveat: Priority claim is author-stated and was not independently checked against the literature in this extraction.

main p.5, article p.4623 · Results and Discussion · Linked to 2 structured results

Application RelevanceSupport assessment: Medium

The LiClO4-doped Cu(I)-sulfonate MOF can act as a practically solvent-free solid electrolyte candidate for rechargeable lithium batteries.

Caveat: No full battery cell, Li+ transference number, or long-term cycling test is reported; authors state such studies are under way.

main p.5, article p.4623 · Conclusions · Linked to 5 structured results

CaveatSupport assessment: High

The impedance-derived total resistance includes both bulk and grain-boundary resistance because the Nyquist plots did not allow these contributions to be separated.

main p.5, article p.4623 · Results and Discussion · Figures 3 and 4 · Linked to 2 structured results

Structure Property LinkSupport assessment: Medium

Bu4NClO4 treatment does not increase conductivity because the large non-coordinating Bu4N+ cations are either excluded from the MOF or easily washed away.

Caveat: The no-uptake conclusion is based on gravimetric response and unchanged conductivity; no direct Bu content analysis is reported.

main p.4, article p.4622 · Results and Discussion · Linked to 2 structured results

Transport MechanismSupport assessment: Medium

The enhanced conductivity of the LiClO4-treated MOF is attributed to guest Li+ ions arranged at specific binding sites, likely hopping between sulfonate/carbonyl oxygen binding sites inside the framework.

Caveat: Mechanistic assignment is inferred by the authors from uptake, controls, and conductivity; no direct Li+ diffusion or transference-number measurement is reported.

main p.4, article p.4622 · Results and Discussion · Linked to 5 structured results

Material identities

Names and aliases are kept exactly within the paper’s own identity model.

MaterialCompositionStructure contextSource
Cu(I)-sulfonate MOF, [Cu2(BPY)2(NDIDS)][Cu2(BPY)2(NDIDS)] or [Cu2(BPY)2(NDIDS)].3H2O for the single-crystal structure; crystallographic formula C46H34Cu2N6O13S2Dimeric [Cu2O2] nodes formed from two Cu(I) centres and two sulfonate oxygen donors. · 4,4'-bipyridine (BPY) and naphthalenediimide disulfonate (NDIDS).2D · PristineNeutral 2D sheet-like monoclinic P21/c Cu(I)-sulfonate framework with zigzag NDIDS ligands and parallel BPY linkers.main p.2, article p.4620 · Results and Discussion · Figure 1
LiClO4 salt controlLiClO4not applicable · not applicable0D · Model SystemNon-MOF salt control pressed as a pellet for impedance comparison.main p.4, article p.4622 · Results and Discussion · Figure 3d

Sample register

Sample form, processing state and composition status define the context for measurements.

Show 7 sample records
SampleForm and roleProcessing and geometrySource
Activated pristine [Cu2(BPY)2(NDIDS)] MOF powderresearch_0442__mat__cu_bpy_ndids_mofPowder · Pristine Control · Pristine FrameworkWashed with H2O and MeOH, dried under air, then activated under high vacuum at room temperature and 150 deg C for 24 h.SI p.S-3 · General Materials and Methods
As-synthesised Cu(I)-sulfonate MOF single crystalsresearch_0442__mat__cu_bpy_ndids_mofSingle Crystal · Target Sample · Pristine FrameworkNeedle-shaped amber crystals obtained from hydrothermal synthesis and used for SXRD.SI p.S-4 · Synthesis of Cu(I)-sulfonate MOF
Bu4NClO4-treated Cu(I)-sulfonate MOF pelletresearch_0442__mat__cu_bpy_ndids_mofPellet · Pristine Control · Pristine FrameworkMOF powder treated with 1 M Bu4NClO4/MeCN, washed, dried, then pressed for impedance.Teflon tube with two silver-coated steel rod electrodes. · 0.2 mm pellet; area 0.057 cm2; 3 mg material.SI p.S-4 · Treatment of Cu(I)-sulfonate MOF with LiClO4 and Bu4NClO4 salts
LiClO4 salt pellet controlresearch_0442__mat__liclo4_salt_controlPellet · Model System · ModelPressed under same two-probe pellet conditions as MOF samples.Teflon tube with two silver-coated steel rod electrodes. · 0.2 mm pellet; 3 mg LiClO4.SI p.S-4 · Preparation of pellets for ac impedance measurements
LiClO4-treated Cu(I)-sulfonate MOF pelletresearch_0442__mat__cu_bpy_ndids_mofPellet · Target Sample · Guest LoadedMOF powder soaked in 1 M LiClO4/MeCN, washed, dried under air and vacuum, then pressed for impedance.Teflon tube with two silver-coated steel rod electrodes. · 0.2 mm pellet; area 0.057 cm2; 3 mg material.main p.3, article p.4621 · Results and Discussion
Pristine Cu(I)-sulfonate MOF in situ pressed pelletresearch_0442__mat__cu_bpy_ndids_mofPellet · Pristine Control · Pristine FrameworkPressed under 200 MPa for 1 min for two-point ac impedance measurement.Teflon tube with two silver-coated steel rod electrodes. · 0.2 mm; area 0.057 cm2; rod radius 1.35 mm; 3 mg material.SI p.S-4 · Preparation of pellets for ac impedance measurements · Figure S5
Propylene-carbonate-treated Cu(I)-sulfonate MOF pelletresearch_0442__mat__cu_bpy_ndids_mofPellet · Pristine Control · Guest LoadedMOF presoaked in propylene carbonate, quickly washed with CHCl3, dried under air, and measured by room-temperature ac impedance.Teflon tube with two-probe impedance geometry.main p.5, article p.4623 · Results and Discussion · Figure S7