Brief overview of electrochemical potential in lithium ion batteries
Jian Gao(高健)1,2, Si-Qi Shi(施思齐)3,2, Hong Li(李泓)1
1. Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
2. Materials Genome Institute, Shanghai University, Shanghai 200444, China;
3. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
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.
Project supported by the National Natural Science Foundation of China (Grant Nos. 51325206 and 51372228), National Basic Research Program of China (Grant No. 2012CB932900), Shanghai Pujiang Program, China (Grant No. 14PJ1403900).
Corresponding Authors:
Hong Li
E-mail: hli@aphy.iphy.ac.cn
Cite this article:
Jian Gao(高健), Si-Qi Shi(施思齐), Hong Li(李泓) Brief overview of electrochemical potential in lithium ion batteries 2016 Chin. Phys. B 25 018210
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