Table · dataset · 2026
Cobalt Tritolylcarboxy Porphyrin-Carbon Black Composite Bifunctional Electrocatalyst for Nitrate and Carbon Dioxide Electroreduction to Ammonia and Formic/Acetic Acid
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Electrochemical nitrate reduction reaction (NO<sub>3</sub>RR) and carbon dioxide reduction reactions (CO<sub>2</sub>RR) can serve as environmental remediation tools for pollution control and thus support a circular economy for sustainability.
Description
The electrochemical process relies heavily on electrode materials; thus, developing highly active and efficient electrocatalysts for these reactions in a green and cost-effective way is essential.
In this study, we examined cobalt porphyrins with different modifications for electrochemical NO<sub>3</sub>RR and CO<sub>2</sub>RR to independently produce ammonia and acetic acid/formic acid. The carboxylic acid group-substituted cobalt tetrakis(p-tolyl) porphyrin showed a high Faradaic efficiency of 94% for ammonia, 33.8% for CH<sub>3</sub>COOH, and 21.1% for HCOOH at various potentials in a neutral pH (∼7) electrolyte.
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Computational results suggest enhanced binding of key NO<sub>3</sub>RR and CO<sub>2</sub>RR intermediates to the −COOH group-substituted cobalt porphyrin during electrocatalysis.
Links
Where it is published
- DOI doi.org/10.1021/acs.chemmater.6c00705.s001 ↗
DOI / persistent id · from zivahub uct ac za
Catalogue records · 1
- OAI-PMH record api.figshare.com/v2/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Af… ↗
metadata API · from zivahub uct ac za
Topics
- From keywords
- Astronomy & Astrophysics · Chemistry · Earth & Environmental Science · Economics & Finance · Immunology · Life Sciences · Microbiology
Provenance · 1 source records, 12 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| ZivaHub | oai:figshare.com:article/34027545 | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | |
| concepts[field].anzsrc:group:3107 | mapping · zivahub uct ac za | vocabulary-mapper@1.0.0 | keywords['Microbiology'] |
| concepts[field].anzsrc:group:3204 | mapping · zivahub uct ac za | vocabulary-mapper@1.0.0 | keywords['Immunology'] |
| concepts[field].local:field:astronomy | mapping · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | |
| concepts[field].local:field:chemistry | mapping · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | |
| concepts[field].local:field:economics-finance | mapping · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | |
| concepts[field].local:field:life-sciences | mapping · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | |
| description | source · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | /metadata/dc/description |
| license | source · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | /metadata/dc/rights |
| publication_date | source · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | |
| title | source · zivahub uct ac za | connector:zivahub_uct_ac_za@1.0.0 | /metadata/dc/title |