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Title: First-Principles Prediction of Potentials and Space-Charge Layers in All-Solid-State Batteries

Journal Article · · Physical Review Letters
 [1];  [1]
  1. Michigan State University, East Lansing, MI (United States)

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. Furthermore, the results suggest a lower electronic ionization potential in the solid electrolyte favors Li+ transport, leading to higher discharge power.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Nanostructures for Electrical Energy Storage (NEES); Univ. of Maryland, College Park, MD (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001160
OSTI ID:
1658626
Alternate ID(s):
OSTI ID: 1508442; OSTI ID: 1610542
Journal Information:
Physical Review Letters, Vol. 122, Issue 16; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 53 works
Citation information provided by
Web of Science

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Cited By (1)

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