Stabilizing electrode–electrolyte interfaces to realize high-voltage Li||LiCoO2 batteries by a sulfonamide-based electrolyte

Author:

Xue Weijiang1ORCID,Gao Rui1,Shi Zhe12,Xiao Xianghui3,Zhang Wenxu4,Zhang Yirui5ORCID,Zhu Yun Guang6ORCID,Waluyo Iradwikanari3ORCID,Li Yao7,Hill Megan R.4,Zhu Zhi1,Li Sa8ORCID,Kuznetsov Oleg9,Zhang Yiman9,Lee Wah-Keat3,Hunt Adrian3,Harutyunyan Avetik9,Shao-Horn Yang256ORCID,Johnson Jeremiah A.4ORCID,Li Ju12ORCID

Affiliation:

1. Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

2. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

3. National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA

4. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

5. Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

6. Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA

7. State Key Lab of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China

8. Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China

9. Honda Research Institute, USA, Inc., San Jose, California 95134, USA

Abstract

A sulfonamide-based electrolyte can greatly improve the cycling stability of the commercial LiCoO2 cathode at high cut-off voltages in Li metal||LCO batteries by stabilizing the electrode–electrolyte interfaces on both the anode and cathode.

Funder

National Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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