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Structure engineering of cathode host materials for Li-S batteries

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Although lithium-sulfur batteries are one of the favorable candidates for next-generation energy storage devices,a few key challenges that have not been addressed have limited its commercialization.These challenges include lithium dendrite growth in the anode side,volume change of the active material,poor electrical conductivity,dissolution and migration of polysulfides,and slow rate of solid-state reactions in the cathode side.Since the elec-trochemical performance of lithium-sulfur batteries is greatly affected by the design of the cathode host material,it has also been widely discussed in addressing the above-mentioned issues.In this paper,three design ideas of cathode host materials in terms of microstructure,crystal structure and electronic structure are introduced and sum-marized.Crucially,the current progress of these three structural design strategies and their effects on the elec-trochemical performance of lithium-sulfur batteries are discussed in detail.Finally,future directions in the struc-tural design of cathode materials for lithium-sulfur bat-teries are discussed and further perspectives are provided.

Lithium-sulfur batteriesStructure engineeringCathodeHost materials

Jia-Jun Long、Hua Yu、Wen-Bo Liu

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School of New Energy and Materials,Southwest Petroleum University,Chengdu 610500,China

School of Mechanical Engineering,Sichuan University,Chengdu 610065,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Key Research and Development Program of ChinaMajor S&T Infrastructure Construction Project of Sichuan ProvinceInternational S&T Innovation Cooperation Program of Sichuan ProvinceChengdu International S&T Cooperation Funded ProjectChengdu International S&T Cooperation Funded Projectthe"1000 Talents Plan"of Sichuan ProvinceTalent Introduction Program of Sichuan University

52075351516041772019YFA07057012020-510000-73-01-4418472020YFH00392020-GH02-00006-HZ2022-GH02-00027-HZYJ201410

2024

10.1007/s12598-023-02378-x

稀有金属(英文版)
中国有色金属学会

稀有金属(英文版)

CSTPCDEI
影响因子：0.801
ISSN：1001-0521
年,卷(期)：2024.43(4)
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