Brief overview of electrochemical potential in lithium ion batteries

The physical fundamentals and influences upon electrode materials＇ open-circuit voltage （OCV） and the spatial distribution of electrochemical potential in the full cell are briefly reviewed. We hope to illustrate that a better understanding of these scientific problems can help to develop and design...

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Bibliographic Details
Published in:Chinese physics B 2016-01, Vol.25 (1), p.115-138
Main Author: 高健 施思齐 李泓
Format: Article
Language:English
Subjects:
Constraining
Electric potential
Electrochemical potential
High voltages
Lithium-ion batteries
Rechargeable batteries
Spatial distribution
Voltage
开路电压
物理原理
电化学势
电极材料
电池性能
科学问题
空间分布
锂离子电池
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Summary:The physical fundamentals and influences upon electrode materials＇ open-circuit voltage （OCV） and the spatial distribution of electrochemical potential in the full cell are briefly reviewed. We hope to illustrate that a better understanding of these scientific problems can help to develop and design high voltage cathodes and interfaces with low Ohmic drop. OCV is one of the main indices to evaluate the performance of lithium ion batteries （LIBs）, and the enhancement of OCV shows promise as a way to increase the energy density. Besides, the severe potential drop at the interfaces indicates high resistance there, which is one of the key factors limiting power density.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/25/1/018210