Deciphering Chemical/Electrochemical Compatibility of Li₃InCl₆ in 5.2 V High-Voltage LiCoO₂ All-Solid-State Batteries

Zhen Wang; Jiewen Tan; Zhanhui Jia; Jiawu Cui; Xiaowei Wang; Chengyong Shu; Xiangwen Gao; Yuping Wu; Wei Tang

doi:10.1021/acsenergylett.4c01472

journal article·2024-09-13

Deciphering Chemical/Electrochemical Compatibility of Li₃InCl₆ in 5.2 V High-Voltage LiCoO₂ All-Solid-State Batteries

Zhen Wang, Jiewen Tan, Zhanhui Jia, Jiawu Cui, Xiaowei Wang, Chengyong Shu, Xiangwen Gao, Yuping Wu, Wei Tang

ACS Energy Letters· Volume 9· Issue 9

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Source abstract

Abstract

Large interfacial resistance is a widely recognized impediment to the advancement of high-voltage, all-solid-state batteries. However, a comprehensive understanding of the fundamental cause behind the interfacial resistance between solid electrolytes and typical layered oxide cathodes has not yet been achieved. Here, we investigated the high-voltage stability of Li 3 InCl 6 and elucidated the underlying interfacial electrochemical reactions between LiCoO 2 and Li 3 InCl 6 . The pairing of Li 3 InCl 6 with LiCoO 2 exhibited a superior capacity retention of 73.6% even at 5.2 V, much higher than 28.2% charged at 4.6 V in lithium-ion batteries after 70 cycles. The enhanced high-voltage stability of ASSBs is attributed to the stable interface formed between LiCoO 2 and Li 3 InCl 6 and the reinforced surface and bulk structure stability. On the other hand, the ultrahigh voltage still causes the partial decomposition of Li 3 InCl 6 and generates interfacial compounds such as InClO and cobalt and indium chlorides/oxides.

Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage Composites

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Inorganic Chemistry and Materials

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

Affiliations

School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China

School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China

Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States

Future Battery Research Center, Global Institute of Future Technology, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China

School of Energy and Environment, Southeast University, Nanjing 210096, People’s Republic of China

Funding

Xi?an Jiaotong University · National Key Research and Development Program of China · Shanxi Provincial Key Research and Development Project · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Shaanxi Province

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