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journal article·2025-07Open access

Construction of Organic–Inorganic Solid Electrolyte Interphase by Gas‐Liquid Plasma for High Performance Lithium Metal Anodes

Jiahao Wang, Ping Liu, Zhong Qiu, Tianqi Yang, Feng Cao, Jiayuan Xiang, Xinqi Liang, Shenghui Shen, Yongqi Zhang, Yang Xia, Chen Wang, Wangjun Wan, Jun Zhang, Hui Huang, Ruyi Fang, Xinping He, Yongping Gan, Xinyong Tao, Xinhui Xia, Wenkui Zhang

Small· Volume 21· Issue 27
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Abstract

Abstract The construction of high‐quality solid electrolyte interphase (SEI) on Li metal is one of the key strategies to improve the performance of Li metal anodes. Herein, we propose a novel gas‐liquid hybrid source plasma technology to construct composite SEI consisting of organic lithium methyl carbonate (LMC) and inorganic lithium nitride (Li 3 N) and lithium oxide (Li 2 O) on the lithium metal. Supported by the theoretical calculation, the inorganic Li 3 N and Li 2 O phases possess low diffusion barrier potentials, favorable for fast Li + transportation, and enhanced lithophilicity. Meanwhile, the organic LMC can effectively accommodate the volume expansion of lithium metal due to its high mechanical flexibility. Accordingly, the lithium metal anode modified by plasma‐made SEI has a low overpotential of 11.4 mV at 1 mAh cm −2 for 950 h with an average Coulombic efficiency of 99.7%, superior to the unmodified Li metal anode. When coupled with LiNi 0.8 Co 0.1 Mn 0.1 O 2 (NCM811) cathode, the assembled full cell is proven with a higher capacity retention of 87.77% after 100 cycles at 0.5 C, indicating its significantly enhanced cycling stability due to the synergistic effect between Li 3 N, Li 2 O, and LMC in the composite SEI. This research demonstrates that plasma is a unique method for constructing high‐quality SEI to achieve enhanced lithium anodes for energy storage.
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Research context

Energy storageComposites

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

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

Affiliations

College of Materials Science and Engineering Zhejiang University of Technology Hangzhou 310014 P. R. China

School of Materials Science & Engineering Zhejiang University Hangzhou 310027 China

Institute of Fundamental and Frontier Science University of Electronic Science and Technology of China Chengdu 611371 P. R. China

Narada Power Source Co. Ltd. Hangzhou 310014 P. R. China

Department of Engineering Technology Huzhou College Huzhou 313000 P. R. China

School of Materials Science & Engineering Zhejiang Sci‐Tech University Hangzhou 310018 P. R. China

Yangtze Delta Region Institute (Huzhou) University of Electronic Science and Technology of China Huzhou 313002 P. R. China

Zhejiang Academy of Science and Technology for Inspection & Quarantine Hangzhou 311215 P. R. China

State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile University Wuhan 430200 P. R. China

Funding

Natural Science Foundation of Zhejiang Province · National Natural Science Foundation of China · Science and Technology Department of Zhejiang Province · Key Laboratory of Engineering Dielectrics and Its Application (Harbin University of Science and Technology), Ministry of Education

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