Why LiFePO4is a safe battery electrode: Coulomb repulsion induced electron-state reshuffling upon lithiation

Author:

Liu Xiaosong12345,Wang Yung Jui12346,Barbiellini Bernardo6784,Hafiz Hasnain6784,Basak Susmita6784,Liu Jun9234,Richardson Thomas9234,Shu Guojiun10111213,Chou Fangcheng10111213,Weng Tsu-Chien1415164,Nordlund Dennis1415164,Sokaras Dimosthenis1415164,Moritz Brian1718164,Devereaux Thomas P.1718164,Qiao Ruimin1234,Chuang Yi-De1234,Bansil Arun6784,Hussain Zahid1234,Yang Wanli1234

Affiliation:

1. Advance Light Source

2. Lawrence Berkeley National Laboratory

3. Berkeley

4. USA

5. State Key Laboratory of Functional Materials for Informatics

6. Department of Physics

7. Northeastern University

8. Boston

9. Environmental Energy Technologies Division

10. Center for Condensed Matter Sciences

11. National Taiwan University

12. Taipei

13. Taiwan

14. Stanford Synchrotron Radiation Light Source

15. SLAC National Accelerator Laboratory

16. Menlo Park

17. Stanford Institute for Materials and Energy Sciences

18. Stanford University and SLAC National Accelerator Laboratory

Abstract

A combined spectroscopic and theoretical study clarifies the electron states associated with the intrinsic safety of LiFePO4electrodes.

Funder

Office of Science

Basic Energy Sciences

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Reference53 articles.

1. Phospho‐olivines as Positive‐Electrode Materials for Rechargeable Lithium Batteries

2. G. R. Dahlin and K. E.Strøm, Lithium batteries: research, technology, and applications, Nova Science Publishers, New York, 2010

3. A comparison of the electrode/electrolyte reaction at elevated temperatures for various Li-ion battery cathodes

4. G.-A. Nazri and G.Pistoia, Lithium Batteries: Science and Technology, Springer Verlag, 2009

5. Development and challenges of LiFePO4cathode material for lithium-ion batteries

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