journal article·2024-06-14

Dual-Halide Interphase Enabling High-Performance Lithium Metal Batteries in Wide-Temperature Range

Ao Sun, Haifeng Tu, Zhengguang Sun, Zhigang He, Yuchen Wang, Jian Wang, Yuting Zheng, Fengyi Zhu, Lu Wang, Farwa Mushtaq, Pan Xue, Jun Liu, Meinan Liu

ACS Energy Letters· Volume 9· Issue 6
Publisher page

Abstract

Robust lithium-ion diffusion kinetics enable superior battery performance even under harsher conditions, but the complex processes containing transport via liquid, interphase, and solid phases make it challenging. Herein, a dual halide-based electrode/electrolyte interphase (EEI) strategy is proposed to boost the Li + ion diffusion kinetics through rational design of electrolyte. This dual-halide EEI not only accelerates interfacial Li + diffusion but also protects electrodes from taking side reactions under high-voltage and harsh temperatures. Benefiting from these features, the Li/LiCoO 2 cells deliver an impressive performance at high-voltage window 4.5 V (209 mAh g –1, 95.2% capacity retention after 100 cycles) and wide temperatures (98.1% capacity retention at 60 °C after 100 cycles; 87.7% capacity retention at −20 °C after 20 cycles). These results well demonstrate the efficiency of this dual halide EEI, which empowers lithium metal batteries toward practical applications.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

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

Affiliations

State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi Key Laboratory of Processing for Non-Ferrous Metals and Featured Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China

Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, China

Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, China

School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, Anhui 230026, China

Helmholtz Institute Ulm (HIU), Ulm 89081, Germany

School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China

Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China

Division of Nanomaterials and Jiangxi Key Lab of Carbonene Materials, Jiangxi Institute of Nanotechnology, Nanchang 330200, China

Guangdong Institute of Semiconductor Micro-Nano Manufacturing Technology, Foshan 528225, China

Funding

National Key Research and Development Program of China · Basic and Applied Basic Research Foundation of Guangdong Province · Double Thousand Plan of Jiangxi Province · National Natural Science Foundation of China

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