Data · dataset · 2026
Data for ''Janus Carbon Shells with Inner–Outer Functional Asymmetry Enable Local Proton Enrichment for Promoting CO2 Methanation''
Listed in ScienceDB
Fig. 1 Schematic illustration of the synthesis of hollow carbon nanospheres (HCNs) and the fabrication of CoPc-based electrocatalysts for electrochemical CO2reduction (ECR).TEM images of (c) HCNs and (d) CoPc/HCNs.
Description
(e) Co K-edge XANES spectra of CoPc/HCNs and reference samples. (f) Corresponding Co K-edge EXAFS spectra.
(g)Fig. 2 ECR performance of CoPc/HCNs electrodes.ECR performance of (c) CoPc/C@SiO2hybrid and (d) CoPc/HCNs hybrid at spray passes (catalyst loadings). (e) Po-tential-dependent ECR performance of the CoPc/HCNs hybrid. (f)Fig. 3 Electrocatalytic performance of HCNs and C@SiO2electrodes.(b) LSV curves of HCNs and C@SiO2electrodes under CO2atmosphere, showing exclusive hydrogen evolution reaction (HER) activity.
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(c) Electrochemical double-layer capacitance (Cdl) as a func- tion of scan rate for HCNs and C@SiO2electrodes, used to estimate the electrochemical surface area (ECSA). (d) Comparison of geometric current density andECSA-normalized current density (intrinsic activity) of HCNs and C@SiO2electrodes. (e-f).Fig.4 Mechanistic insights into CH4formation on CoPc/HCNs hybrid.
(a) DFT-calculated adsorption free energies of H* for CoPc/HCNs and pristine carbon.(b) DFT-calculated adsorption free energies of key CO2reduction intermediates (*COOH and *CO) on CoPc/HCNs and pristine carbon. (c)
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Where it is published
- DOI doi.org/10.57760/sciencedb.j00125.00260 ↗
DOI / persistent id · from scidb cn
Catalogue records · 1
- OAI-PMH record scidb.cn/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=10.57760%2… ↗
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Topics
- From keywords
- Earth & Environmental Science · Engineering · Humanities · Life Sciences · Social Science
- Inferred from text
- Chemical engineering 72% · Image 65%
Provenance · 1 source records, 12 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| ScienceDB | 10.57760/sciencedb.j00125.00260 | 9 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].anzsrc:group:4004 | enrichment · scidb cn | taxonomy-embedding@1.0.0 | title+keywords+description (72%) |
| concepts[field].local:field:earth-environmental | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:engineering | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:humanities | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:life-sciences | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:social-science | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[modality].local:modality:image | enrichment · scidb cn | keyword-concept-rules@1.0.0 | title+description (65%) |
| description | source · scidb cn | connector:scidb_cn@1.0.0 | /metadata/dc/description |
| license_text | source · scidb cn | connector:scidb_cn@1.0.0 | |
| publication_date | source · scidb cn | connector:scidb_cn@1.0.0 | |
| title | source · scidb cn | connector:scidb_cn@1.0.0 | /metadata/dc/title |