Promoting Oxygen Reduction Reaction on Carbon-based Materials by Selective Hydrogen Bonding
Research output: Contribution to journal › Research article › Contributed › peer-review
Contributors
Abstract
Electrochemical oxygen reduction reaction (ORR) is fundamental for many energy conversion and storage devices. Selective tuning of *OOH/*OH adsorption energy to break the intrinsic scaling limitation (ΔG*OOH=ΔG*OH+3.2 eV) is effective in optimizing the ORR limiting potential (UL), which is practically challenging to achieve by constructing a particular catalyst. Herein, using first-principles calculations, we elucidated how to rationally plant an additional *OH that can selectively interact with the ORR intermediate of *OOH via hydrogen bonding, while not affecting the *OH intermediate. Guided by the design principle, we successfully tailored a series of novel carbon-based catalysts, with merits of low-cost, long-lasting, synthesis feasibility, exhibiting a high UL (1.06 V). Our proposed strategy comes up with a new linear scaling relationship of ΔG*OOH=ΔG*OH+2.84 eV. This approach offers a great possibility for the rational design of efficient catalysts for ORR and other chemical reactions.
Details
Original language | English |
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Article number | e202300082 |
Journal | ChemSusChem |
Volume | 16 |
Issue number | 16 |
Publication status | Published - 21 Aug 2023 |
Peer-reviewed | Yes |
External IDs
PubMed | 37086395 |
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Keywords
ASJC Scopus subject areas
Keywords
- carbon-based materials, first-principles calculations, hydrogen bonding, oxygen reduction reaction, scaling relation