Tai H., Ding W., Zhang X. et al. · Inorganic Chemistry · 2024 · 18083-18091
Open a family to keep every result attached to its sample, method and conditions.
Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.
Ni-BPE electrode shows higher specific capacitance and better rate retention than the analogous Ni-BPY electrode.
Caveat: Electrode measurements use composite electrodes with acetylene black, PVDF, and Ni foam, so these are application metrics rather than pristine-framework transport values.
p. 18088 · Electrochemical Performance · Figure 4 · Linked to 6 structured results
The Ni-BPE//AC asymmetric supercapacitor delivers 25.2 Wh kg-1 at 800 W kg-1 and retains about 71% capacitance over 5000 cycles.
Caveat: Device metrics are application-level and include activated carbon plus electrolyte; they should not be treated as intrinsic MOF transport data.
p. 18089 · Electrochemical Performance · Figure 6e,f · Linked to 4 structured results
Replacing BPY with vinyl-functionalised BPE upgrades structural conjugation and increases Ni-BPE conductivity relative to Ni-BPY.
Caveat: Conductivity values are approximate text-reported pellet measurements; DFT is ligand-level support rather than direct framework band-structure evidence.
p. 18087 · UV-Vis Spectra, Electrical Conductivity, BET, and SEM Characterization · Figure 2d,e; Table S3 · Linked to 5 structured results
The 2-fold interpenetrating Ni-BPE framework is linked to improved thermal stability relative to Ni-BPY.
Caveat: Causal attribution is inferred by authors from TGA and structure; no isolated interpenetration control is reported.
p. 18087 · XPS, PXRD, IR, and TGA Characterization · Figure 2c · Linked to 2 structured results
Lower Rs and Rct for the Ni-BPE electrode indicate faster electron transfer and redox kinetics than Ni-BPY.
Caveat: EIS was measured on composite electrodes, not pristine pellets.
p. 18088 · Electrochemical Performance · Figure 4f · Linked to 4 structured results
Charge storage in both Ni-BPY and Ni-BPE electrodes is mainly diffusion controlled with battery-type behaviour.
Caveat: Diffusion percentages beyond the text-reported endpoints were read from figure labels.
p. 18089 · Electrochemical Performance · Figure 5 · Linked to 6 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| BPE ligand model | 1,2-di(4-pyridyl)ethylenenone · BPE ligand | 0D · Model SystemMolecular ligand model used for DFT HOMO/LUMO comparison. | S6 · Figure S5 and Table S3 · Table S3 |
| BPY ligand model | 4,4'-bipyridinenone · BPY ligand | 0D · Model SystemMolecular ligand model used for DFT HOMO/LUMO comparison. | S6 · Figure S5 and Table S3 · Table S3 |
| Ni-BPE / {Ni(HBTC)(BPE)}n | {Ni(HBTC)(BPE)}n; empirical formula for crystal C21H13N4NiO6Ni2+ nodes coordinated by carboxylate oxygens and pyridyl nitrogens · H3BTC-derived BTC/HBTC carboxylate linker and 1,2-di(4-pyridyl)ethylene (BPE) | 3D · PristineTrigonal P-3c1 pillared-layer framework with honeycomb 2D Ni-BTC layers connected by BPE pillars; 2-fold interpenetrating structure; CCDC 2305772. | p. 18086 · Results and Discussion - Structural Description · Table S1; Figures S1-S3 |
| Ni-BPE//AC asymmetric supercapacitor | Ni-BPE positive electrode // activated carbon negative electrode in 3 M KOHNi2+ nodes in Ni-BPE positive electrode · Ni-BPE contains BTC/HBTC and BPE linkers; AC electrode has no MOF linker | unknown · CompositeTwo-electrode asymmetric supercapacitor device assembled from Ni-BPE and activated carbon electrodes. | p. 18089 · Electrochemical Performance · Figure 6 |
| Ni-BPY | Ni-BTC/BPY pillared Ni-MOF; exact formula not reported in the article textNi2+ nodes in Ni-BTC layers · H3BTC-derived BTC/HBTC carboxylate linker and 4,4'-bipyridine (BPY) | 3D · PristineAnalogous 3D Ni-MOF with approximately 7.7 A x 11.2 A 3D channels; non-interpenetrated by comparison with Ni-BPE. | p. 18086 · Results and Discussion - Structural Description · Figure 1a |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| BPE ligand computational modelresearch_0747__mat__mat_bpe_model | Model · Model System · Model | DFT molecular model | p. 18084 · Experimental Section - Materials and Methods |
| BPY ligand computational modelresearch_0747__mat__mat_bpy_model | Model · Model System · Model | DFT molecular model | p. 18084 · Experimental Section - Materials and Methods |
| Ni-BPE//AC ASC deviceresearch_0747__mat__mat_ni_bpe_ac_device | Electrode · Composite Sample · Composite | Ni-BPE positive electrode paired with activated carbon negative electrode in 3 M KOH; mass ratio balanced by q+ = q-two-electrode aqueous ASC assembly · not reported | p. 18085 · Experimental Section - Preparation of the Electrode |
| as-synthesised Ni-BPE crystalsresearch_0747__mat__mat_ni_bpe | Single Crystal · Target Sample · Pristine Framework | yellow-green crystals obtained by filtration and drying after hydrothermal synthesis | p. 18084 · Experimental Section - Preparation of Ni-BPE |
| Ni-BPE/Ni foam working electroderesearch_0747__mat__mat_ni_bpe | Electrode · Target Sample · Composite | Ni-BPE, acetylene black, PVDF 7:2:1 in NMP painted on cleaned Ni foam, dried 60 C 24 h, compressed 10 MPa 30 sNi foam, 1 x 1 cm2 coated area · mass loading ca. 2 mg; coating thickness not reported | p. 18084 · Experimental Section - Preparation of the Electrode |
| Ni-BPE pressed pelletresearch_0747__mat__mat_ni_bpe | Pellet · Target Sample · Pristine Framework | pressed at 100 MPa for four-probe conductivity measurement10 mm diameter pellet; thickness not reported | p. 18084 · Experimental Section - Materials and Methods |
| as-synthesised Ni-BPY crystalsresearch_0747__mat__mat_ni_bpy | Single Crystal · Pristine Control · Pristine Framework | greenish blue crystals washed with DMF | p. 18084 · Experimental Section - Preparation of Ni-BPY |
| Ni-BPY/Ni foam working electroderesearch_0747__mat__mat_ni_bpy | Electrode · Pristine Control · Composite | Ni-BPY, acetylene black, PVDF 7:2:1 in NMP painted on cleaned Ni foam, dried 60 C 24 h, compressed 10 MPa 30 sNi foam, 1 x 1 cm2 coated area · mass loading ca. 2 mg; coating thickness not reported | p. 18084 · Experimental Section - Preparation of the Electrode |
| Ni-BPY pressed pelletresearch_0747__mat__mat_ni_bpy | Pellet · Pristine Control · Pristine Framework | pressed at 100 MPa for four-probe conductivity measurement10 mm diameter pellet; thickness not reported | p. 18084 · Experimental Section - Materials and Methods |