Operando chemical strain analysis of CNT/VOOH during zinc insertion in Zn-ion batteries

Author:

Shi Xiuling1,Sun Yuchuan1,Weng Yibo1,Long Xiaoying1,Lei Tongxing1,Zhou Jianli2,Li Deping1ORCID,Zhang Jin2ORCID,Huang Yan1ORCID,Ci Lijie1ORCID,Li Kaikai1ORCID,Zhang Tong-Yi3ORCID

Affiliation:

1. School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, China

2. School of Science, Harbin Institute of Technology, Shenzhen, 518055, China

3. Guangzhou Municipal Key Laboratory of Materials Informatics, Advanced Materials Thrust and Sustainable Energy and Environment Thrust, The Hong Kong University of Science and Technology (Guangzhou), Nansha, Guangzhou, 511400, Guangdong, China

Abstract

An operando DIC-based technique is developed to analyze the strain and partial molar volume of Zn2+ in combination with an electrochemical–mechanical coupling model, which provides fundamental explanations for the enhanced cycling stability of AZIBs.

Funder

Guangzhou Municipal Science and Technology Project

Basic and Applied Basic Research Foundation of Guangdong Province

Shenzhen Science and Technology Innovation Program

Publisher

Royal Society of Chemistry (RSC)

Subject

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

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