期刊
PHYSICAL REVIEW LETTERS
卷 122, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.167701
关键词
-
资金
- Nanostructures for Electrical Energy Storage (NEES) center, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Basic Energy Sciences [DESC0001160]
- Michigan State University
As all-solid-state batteries (SSBs) develop as an alternative to traditional cells, a thorough theoretical understanding of driving forces behind battery operation is needed. We present a fully first-principles-informed model of potential profiles in SSBs and apply the model to the Li/LiPON/LixCoO2 system. The model predicts interfacial potential drops driven by both electron transfer and Li+ space-charge layers that vary with the SSB's state of charge. The results suggest a lower electronic ionization potential in the solid electrolyte favors Li+ transport, leading to higher discharge power.
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