Pan N., Zhang H., Yang B. et al. · Chemical Communications · 2020 · 13615-13618
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Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.
Liquid and all-solid-state Zn-air batteries using [Ni5.7Ru0.3(HHTP)3(H2O)x]n air cathodes show prominent performance and cycling stability.
Caveat: Battery comparisons include Pt/C outperforming the MOF in liquid-battery peak power and specific capacity.
4 · summary · Linked to 6 structured results
The conductive MOFs can be used directly as electrocatalysts without carbonisation, preserving framework pore/channel structures.
Caveat: Claim is based on direct use of synthesised MOFs; no pyrolysed analogue is experimentally compared in this paper.
1 · introduction · Linked to 3 structured results
Ru doping of the HHTP-coordinated conductive MOF greatly improves electrochemical performance and gives [Ni5.7Ru0.3(HHTP)3(H2O)x]n excellent ORR and OER activity.
Caveat: Optimised MOF still underperforms RuO2 for OER Tafel slope and Pt/C for ORR half-wave potential.
4 · summary · Linked to 5 structured results
KSCN chelation caused no obvious attenuation of ORR activity, supporting the authors' claim that ligands rather than metal centres are the ORR active sites.
Caveat: The KSCN experiment is indirect and reported qualitatively.
3 · main text · Fig. S21 · Linked to 1 structured result
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Ru-doped Ni-HHTP conductive MOF, high RuBrowse family: Ni₃(HHTP)₂ / Ni–HHTP | [Ni5.4Ru0.6(HHTP)3(H2O)x]nNi2+/Ru3+ · HHTP | 2D · PristineRu-doped analogue of the Ni-HHTP conductive framework; high Ru loading was reported to damage crystallinity relative to lower Ru contents. | 3 · Synthesis method of conductive MOFs · Table S1 |
| Ru-doped Ni-HHTP conductive MOF, optimised compositionBrowse family: Ni₃(HHTP)₂ / Ni–HHTP | [Ni5.7Ru0.3(HHTP)3(H2O)x]nNi2+/Ru3+ · HHTP | 2D · PristineTrigonal P-3c1-type ABAB-stacked framework similar to [Ni6(HHTP)3(H2O)x]n; A layers are extended [(NiRu)3(HHTP)2(H2O)x]n hexagons and B layers are 0D [(NiRu)3(HHTP)(H2O)x] fragments. | 2 · main text · Fig. 1, Fig. 2 |
| Ru-doped Ni-HHTP conductive MOF, intermediate RuBrowse family: Ni₃(HHTP)₂ / Ni–HHTP | [Ni5.82Ru0.18(HHTP)3(H2O)x]nNi2+/Ru3+ · HHTP | 2D · PristineRu-doped analogue of the Ni-HHTP ABAB-stacked conductive framework. | 3 · Synthesis method of conductive MOFs · Table S1 |
| Ru-doped Ni-HHTP conductive MOF, low RuBrowse family: Ni₃(HHTP)₂ / Ni–HHTP | [Ni5.94Ru0.06(HHTP)3(H2O)x]nNi2+/Ru3+ · HHTP | 2D · PristineRu-doped analogue of the Ni-HHTP ABAB-stacked conductive framework. | 3 · Synthesis method of conductive MOFs · Table S1 |
| Ni-HHTP conductive MOFBrowse family: Ni₃(HHTP)₂ / Ni–HHTP | [Ni6(HHTP)3(H2O)x]nNi2+ · HHTP = 2,3,6,7,10,11-hexhydroxyltriphenylene | 2D · PristineTrigonal P-3c1, 2D ABAB-stacked conductive framework with nanoscale channels. | 1-2 · main text · Fig. 1 |
| commercial Pt/C catalyst | Pt/CPt | unknown · CompositeCommercial ORR benchmark catalyst. | 3 · main text · Fig. S17, Fig. S24-S26 |
| commercial RuO2 catalyst | RuO2Ru | unknown · UnknownCommercial OER benchmark catalyst. | 3 · main text · Fig. S13, Fig. S14 |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| [Ni6(HHTP)3(H2O)x]n powder/crystalsresearch_0796__mat__mat_ni6_hhtp | Powder · Pristine Control · Pristine Framework | Hydrothermally prepared dark blue crystals, washed with water and acetone. | 2 · Synthesis method of conductive MOFs |
| commercial Pt/C ORR electroderesearch_0796__mat__mat_ptc_control | Electrode · Unknown · Composite | Commercial Pt/C comparator; preparation details not separately specified.GC-RDE or air cathode | 3 · main text · Fig. S17 |
| [Ni5.94Ru0.06(HHTP)3(H2O)x]n powderresearch_0796__mat__mat_ni594_ru006_hhtp | Powder · Target Sample · Mixed Metal | Ru-doped conductive MOF prepared by the same hydrothermal process as [Ni6(HHTP)3(H2O)x]n. | 3 · Synthesis method of conductive MOFs · Table S1 |
| [Ni5.82Ru0.18(HHTP)3(H2O)x]n powderresearch_0796__mat__mat_ni582_ru018_hhtp | Powder · Target Sample · Mixed Metal | Ru-doped conductive MOF prepared by the same hydrothermal process as [Ni6(HHTP)3(H2O)x]n. | 3 · Synthesis method of conductive MOFs · Table S1 |
| [Ni5.7Ru0.3(HHTP)3(H2O)x]n liquid Zn-air battery air cathoderesearch_0796__mat__mat_ni57_ru03_hhtp | Electrode · Composite Sample · Composite | Catalyst/Nafion ink deposited onto Ni foam and gas-diffusion layer, vacuum held for 30 min.Ni foam and gas-diffusion layer | 4 · Zn-air batteries |
| [Ni5.7Ru0.3(HHTP)3(H2O)x]n powderresearch_0796__mat__mat_ni57_ru03_hhtp | Powder · Target Sample · Mixed Metal | Ru-doped conductive MOF prepared by hydrothermal synthesis; used as best-performing bifunctional catalyst. | 1 · main text |
| [Ni5.7Ru0.3(HHTP)3(H2O)x]n catalyst layer on GC-RDEresearch_0796__mat__mat_ni57_ru03_hhtp | Electrode · Composite Sample · Composite | Catalyst ink drop-cast onto 0.1256 cm2 GC-RDE.glassy-carbon rotating disk electrode | 3 · Electrochemical characterizations |
| [Ni5.7Ru0.3(HHTP)3(H2O)x]n all-solid-state Zn-air battery air electroderesearch_0796__mat__mat_ni57_ru03_hhtp | Electrode · Composite Sample · Composite | Catalyst-supported air diffusion layer assembled in sandwich solid-state Zn-air cell.air diffusion layer | 4 · Zn-air batteries |
| [Ni5.4Ru0.6(HHTP)3(H2O)x]n powderresearch_0796__mat__mat_ni54_ru06_hhtp | Powder · Target Sample · Mixed Metal | Ru-doped conductive MOF prepared by the same hydrothermal process as [Ni6(HHTP)3(H2O)x]n. | 3 · Synthesis method of conductive MOFs · Table S1 |
| commercial RuO2 OER electroderesearch_0796__mat__mat_ruo2_control | Electrode · Unknown · Unknown | Commercial OER comparator electrode; preparation details not separately specified.GC-RDE | 3 · main text · Fig. S13, Fig. S14 |