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面向高性能锂-硫二次电池应用的非对称电极-电解质界面

丑佳 王雅慧 王文鹏 辛森 郭玉国

电化学(中英文)2023,Vol.29Issue(9):1-11,11.
电化学(中英文)2023,Vol.29Issue(9):1-11,11.DOI:10.13208/j.electrochem.2217009

面向高性能锂-硫二次电池应用的非对称电极-电解质界面

Asymmetric Electrode-Electrolyte Interfaces for High-Performance Rechargeable Lithium-Sulfur Batteries

丑佳 1王雅慧 1王文鹏 2辛森 1郭玉国1

作者信息

  • 1. 中国科学院化学研究所,北京 100190||中国科学院大学,北京 100049
  • 2. 中国科学院化学研究所,北京 100190
  • 折叠

摘要

Abstract

With a high cell-level specific energy and a low cost,lithium-sulfur(Li-S)battery has been intensively studied as one of the most promising candidates for competing the next-generation energy storage campaign.Currently,the practical use of Li-S battery is hindered by the rapidly declined storage performance during battery operation,as caused by irreversible loss of electroactive sulfide species at the cathode,dendrite formation at the anode and parasitic reactions at the electrode-electrolyte interface due to unfavorable cathode-anode crosstalk.In this perspective,we propose to stabilize the Li-S electrochemistry,and improve the storage performance of battery by designing asym-metric electrode-electrolyte interfaces that helps to simultaneously address the differentiated issues at both electrodes and facilitate charge transfer in the electrode/electrolyte and across the interfaces.The strategies discussed would shed lights on reasonable design of battery interfaces towards realization of high-performance Li-S batteries.

关键词

锂-硫电池/锂金属负极/硫正极/电极-电解质界面

Key words

Lithium-sulfur battery/Lithium metal anode/Sulfur cathode/Electrode-electrolyte interface

引用本文复制引用

丑佳,王雅慧,王文鹏,辛森,郭玉国..面向高性能锂-硫二次电池应用的非对称电极-电解质界面[J].电化学(中英文),2023,29(9):1-11,11.

基金项目

This work was supported by the National Key R&D Program of China(Grant No.2019YFA0705703),CAS Project for Young Scientists in Basic Research(Grant No.YSBR-058),the National Natural Science Foun-dation of China(Grant Nos.21975266,52172252 and 22209188),and the Beijing Natural Science Founda-tion(Grant No.JQ22005). (Grant No.2019YFA0705703)

电化学(中英文)

OA北大核心CSTPCD

1006-3471

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