Li Z., Li J.-G., Ao X. et al. · Electrochimica Acta · 2020 · 135638
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.
LSCF@Ni3(HITP)2-2 maintains structure and shows small performance decay during 12 h OER durability testing.
Caveat: Durability evidence is limited to 12 h in the reported alkaline OER conditions.
7 · Results and discussion · Fig. 4f, Fig. S11 and Fig. S12 · Linked to 4 structured results
Decorating LSCF nanofibres with conductive Ni3(HITP)2 improves OER activity compared with pristine LSCF and bare Ni3(HITP)2.
Caveat: The paper does not report a direct bulk electrical conductivity measurement for Ni3(HITP)2 or the composite; transport evidence is mainly EIS/XPS and electrochemical kinetics.
6 · Results and discussion · Fig. 4 · Linked to 5 structured results
The 1D hollow nanofibre structure and Ni3(HITP)2 shell provide low-resistance pathways, high active area and faster charge transfer.
Caveat: The morphology-property link is inferred from microscopy, Cdl and EIS correlations.
7 · Conclusion · Linked to 4 structured results
Positive Co 2p and Fe 2p XPS shifts are interpreted as electron transfer from LSCF to Ni3(HITP)2 and strong electronic interaction at the heterointerface.
Caveat: This is an interpretation from binding-energy shifts rather than a direct electronic-structure or conductivity measurement.
5 · Results and discussion · Fig. 3 · Linked to 2 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| acetylene black | carbon black | unknown · UnknownConductive carbon additive and control. | 6 · Results and discussion · Fig. S8 and Fig. S10 |
| La0.6Sr0.4Co0.8Fe0.2O3 | La0.6Sr0.4Co0.8Fe0.2O3La, Sr, Co and Fe in an ABO3 perovskite oxide lattice | 1D · PristineRhombohedral LSCF perovskite nanofibres indexed to JCPDS card No. 48-0124, space group R-3C. | 3 · Results and discussion · Fig. 2a |
| La0.6Sr0.4Co0.8Fe0.2O3@Ni3(HITP)2Browse family: Ni₃(HITP)₂ / Ni–HITP | La0.6Sr0.4Co0.8Fe0.2O3@Ni3(HITP)2La/Sr/Co/Fe perovskite oxide with Ni nodes in the MOF shell · HITP linker in the Ni3(HITP)2 component | 1D · CompositeComposite hollow nanofibres with a thin amorphous Ni3(HITP)2 layer uniformly bonded to LSCF nanofibres. | 3 · Results and discussion · Fig. 2c-e |
| Ni3(HITP)2Browse family: Ni₃(HITP)₂ / Ni–HITP | Ni3(HITP)2Ni nodes · HITP from HATP.6HCl, described in reagents as 2,3,6,7,10,11-hexaiminotriphenylene | unknown · PristineConductive metal-organic framework; in this paper the deposited Ni3(HITP)2 phase is described as amorphous or below the XRD detection limit. | 2 · Introduction |
| RuO2 | RuO2Ru oxide | unknown · PristineCommercial benchmark oxide OER catalyst. | 5 · Results and discussion · Fig. 4 |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| pure acetylene blackresearch_0100__mat__acetylene_black | Powder · Pristine Control · Unknown | Pure acetylene black control tested for OER activity and Cdl contribution. | 6 · Results and discussion · Fig. S8 and Fig. S10 |
| LSCF NFsresearch_0100__mat__lscf | Powder · Pristine Control · Mixed Metal | Electrospun precursor nanofibres calcined in air at 750 deg C for 3 h; sample is a nanofibre powder catalyst. | 2 · 2.2 Preparation of LSCF NFs |
| LSCF@Ni3(HITP)2-1research_0100__mat__lscf_ni3_hitp2 | Powder · Composite Sample · Composite | 20 mg LSCF NFs reacted with 3.5 mg HATP.6HCl and 5 mg nickel acetate tetrahydrate at 70 deg C for 3 h; dried under vacuum at 60 deg C for 12 h. | 2 · 2.3 Preparation of LSCF@Ni3(HITP)2 |
| LSCF@Ni3(HITP)2-2research_0100__mat__lscf_ni3_hitp2 | Powder · Target Sample · Composite | 20 mg LSCF NFs reacted with 7 mg HATP.6HCl and 10 mg nickel acetate tetrahydrate using the same methanol/DMF 70 deg C route; dried under vacuum at 60 deg C for 12 h. | 2 · 2.3 Preparation of LSCF@Ni3(HITP)2 |
| LSCF@Ni3(HITP)2-2 with acetylene black electroderesearch_0100__mat__lscf_ni3_hitp2 | Electrode · Composite Sample · Composite | 5.0 mg catalyst and 1 mg acetylene black dispersed in isopropanol/water/Nafion, sonicated about 40 min, and 10 uL dropped onto glassy carbon.glassy carbon disk electrode | 2 · 2.5 Electrode preparation |
| LSCF@Ni3(HITP)2-3research_0100__mat__lscf_ni3_hitp2 | Powder · Composite Sample · Composite | 20 mg LSCF NFs reacted with 14 mg HATP.6HCl and 20 mg nickel acetate tetrahydrate using the same methanol/DMF 70 deg C route; dried under vacuum at 60 deg C for 12 h. | 2 · 2.3 Preparation of LSCF@Ni3(HITP)2 |
| LSCF@Ni3(HITP)2-4research_0100__mat__lscf_ni3_hitp2 | Powder · Composite Sample · Composite | 20 mg LSCF NFs reacted with 28 mg HATP.6HCl and 40 mg nickel acetate tetrahydrate using the same methanol/DMF 70 deg C route; dried under vacuum at 60 deg C for 12 h. | 2 · 2.3 Preparation of LSCF@Ni3(HITP)2 |
| bare Ni3(HITP)2research_0100__mat__ni3_hitp2 | Powder · Pristine Control · Pristine Framework | Bare conductive MOF control catalyst; explicit standalone synthesis recipe is not given in the main text or caption-only SI. | 5 · Results and discussion · Fig. 4 |
| RuO2 benchmark catalystresearch_0100__mat__ruo2 | Powder · Pristine Control · Unknown | Commercial RuO2 control prepared into the same catalyst ink/electrode loading for OER comparison. | 5 · Results and discussion · Fig. 4 |