Customized reaction route for ruthenium oxide towards stabilized water oxidation in high-performance PEM electrolyzers
University of Science and Technology of China · Chinese Academy of Sciences · +5 more institutions
Abstract
Abstract The poor stability of Ru-based acidic oxygen evolution (OER) electrocatalysts has greatly hampered their application in polymer electrolyte membrane electrolyzers (PEMWEs). Traditional understanding of performance degradation centered on influence of bias fails in describing the stability trend, calling for deep dive into the essential origin of inactivation. Here we uncover the decisive role of reaction route (including catalytic mechanism and intermediates binding strength) on operational stability of Ru-based catalysts. Using MRuO x (M = Ce 4+ , Sn 4+ , Ru 4+ , Cr 4+ ) solid solution as structure model, we find the reaction route, thereby stability, can be customized by controlling the Ru charge.…
Citation impact
- FWCI
- 26.08
- Percentile
- 100%
- References
- 111
Authors
14- ZSZhaoping Shi
University of Science and Technology of China, Chinese Academy of Sciences, Changchun Institute of Applied Chemistry
- JLJi Li
Chinese Academy of Sciences, Shanghai Institute of Applied Physics, University of Chinese Academy of Sciences
- YWYibo Wang
University of Science and Technology of China, Chinese Academy of Sciences, Changchun Institute of Applied Chemistry
- SLShiwei Liu
Chinese Academy of Sciences, Changchun Institute of Applied Chemistry
- JZJianbing Zhu
University of Science and Technology of China, Chinese Academy of Sciences, Changchun Institute of Applied Chemistry
Topics & keywords
- Ruthenium
- Ruthenium oxide
- Oxide
- Chemical engineering
- Chemistry
- Computer science
- Materials science
- Catalysis
Funding
- NNNational Natural Science Foundation of ChinaAwards: 21875243, 21733004, U1601211
- CAChinese Academy of SciencesAwards: BL08U1A, XDA21090400
- PGPeople's Government of Jilin ProvinceAwards: 20190201300JC, 20170520150JH
- JUJilin University
- UOUniversity of Science and Technology of China
- CIChangchun Institute of Applied Chemistry