The Bell-Evans-Polanyi relation for hydrogen evolution reaction from first-principles
Journal Article
·
· npj Computational Materials
- Univ. of Pittsburgh, PA (United States); National Energy Technology Laboratory (NETL), Pittsburgh, PA (United States)
The versatile Bell-Evans-Polanyi (BEP) relation stipulates the kinetics of a reaction in terms of thermodynamics. Herein, we establish the BEP relation for the hydrogen evolution reaction (HER) from fundamental electrochemical principles leveraging the Butler-Volmer relation for a one-step, one-electron process and the transition state theory. Based on first-principles investigations of HER mechanisms on fourteen metal electrodes, we firmly justify the BEP relation solely using an easy-to compute hydrogen adsorption free energy and universal electrochemical constants.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE Office of Fossil Energy and Carbon Management (FECM), Office of Carbon Management
- OSTI ID:
- 2530181
- Journal Information:
- npj Computational Materials, Journal Name: npj Computational Materials Journal Issue: 1 Vol. 10; ISSN 2057-3960
- Publisher:
- Nature Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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