journal article·2023-02

Manipulating Charge‐Transfer Kinetics of Lithium‐Rich Layered Oxide Cathodes in Halide All‐Solid‐State Batteries

Ruizhi Yu, Changhong Wang, Hui Duan, Ming Jiang, Anbang Zhang, Adam Fraser, Jiaxuan Zuo, Yanlong Wu, Yipeng Sun, Yang Zhao, Jianwen Liang, Jiamin Fu, Sixu Deng, Zhimin Ren, Guohua Li, Huan Huang, Ruying Li, Ning Chen, Jiantao Wang, Xifei Li, Chandra Veer Singh, Xueliang Sun

Advanced Materials· Volume 35· Issue 5
Publisher page

Abstract

Abstract Employing lithium‐rich layered oxide (LLO) as the cathode of all‐solid‐state batteries (ASSBs) is highly desired for realizing high energy density. However, the poor kinetics of LLO, caused by its low electronic conductivity and significant oxygen‐redox‐induced structural degradation, has impeded its application in ASSBs. Here, the charge transfer kinetics of LLO is enhanced by constructing high‐efficiency electron transport networks within solid‐state electrodes, which considerably minimizes electron transfer resistance. In addition, an infusion‐plus‐coating strategy is introduced to stabilize the lattice oxygen of LLO, successfully suppressing the interfacial oxidation of solid electrolyte (Li3InCl6) and structural degradation of LLO. As a result, LLO‐based ASSBs exhibit a high discharge capacity of 230.7 mAh g−1 at 0.1 C and ultra‐long cycle stability over 400 cycles. This work provides an in‐depth understanding of the kinetics of LLO in solid‐state electrodes, and affords a practically feasible strategy to obtain high‐energy‐density ASSBs.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Layered Double Hydroxides Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Mechanical and Materials Engineering University of Western Ontario London Ontario N6A 5B9 Canada

Institute of Micro/Nano Materials and Devices Ningbo University of Technology Ningbo Zhejiang 315211 China

Glabat Solid‐State Battery Inc 700 Collip Circle London Ontario N6G 4X8 Canada

Institute of Physical Science and Information Technology Anhui University Hefei Anhui 230601 China

China Automotive Battery Research Institute Co., Ltd No. 11 Xingke East Street, Yanqi Economic Development Area, Huairou District Beijing 101407 China

Key Laboratory of Advanced Batteries Materials for Electric Vehicles of China Petroleum and Chemical Industry Federation Institute of Advanced Electrochemical Energy & School of Materials Science and Engineering Xi'an University of Technology Xi'an Shaanxi 710048 China

Canadian Light Source 44 Innovation Boulevard Saskatoon Saskatchewan S7N 2V3 Canada

Department of Materials Science and Engineering University of Toronto Toronto Ontario M5S 3E4 Canada

Funding

Natural Sciences and Engineering Research Council of Canada · Ningbo University of Technology

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