Extreme Fast Charging of Lithium Metal Batteries Enabled by a Molten-Salt-Derived Nanocrystal Interphase.

Autor: Wu W; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China., Niu F; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China.; Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, P. R. China., Sun C; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China.; Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, P. R. China., Wang Q; School of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, 518055, P. R. China., Wang M; School of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, 518055, P. R. China., Wang J; School of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, 518055, P. R. China., Deng Y; School of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, 518055, P. R. China., Ning; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China., Li W; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China., Zhang J; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China., Chen M; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China., Cheng HM; Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China.; Faculty of Material Science and Engineering, Shenzhen University of Advanced Technology, Shenzhen, 518107, P. R. China., Yang C; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China.; Faculty of Material Science and Engineering, Shenzhen University of Advanced Technology, Shenzhen, 518107, P. R. China.
Jazyk: angličtina
Zdroj: Advanced materials (Deerfield Beach, Fla.) [Adv Mater] 2024 Aug; Vol. 36 (32), pp. e2404630. Date of Electronic Publication: 2024 Jun 16.
DOI: 10.1002/adma.202404630
Abstrakt: The extreme fast charging performance of lithium metal batteries (LMBs) with a long life is an important focus in the development of next-generation battery technologies. The friable solid electrolyte interphase and dendritic lithium growth are major problems. The formation of an inorganic nanocrystal-dominant interphase produced by preimmersing the Li in molten lithium bis(fluorosulfonyl)imide that suppresses the overgrowth of the usual interphase is reported. Its high surface modulus combined with fast Li + diffusivity enables a reversible dendrite-proof deposition under ultrahigh-rate conditions. It gives a record-breaking cumulative plating/stripping capacity of >240 000 mAh cm -2 at 30 mA cm -2 @30 mAh cm -2 for a symmetric cell and an extreme fast charging performance at 6 C for 500 cycles for a Li||LiCoO 2 full cell with a high-areal-capacity, thus expanding the use of LMBs to high-loading and power-intensive scenarios. Its usability both in roll-to-roll production and in different electrolytes indicating the scalable and industrial potential of this process for high-performance LMBs.
(© 2024 Wiley‐VCH GmbH.)
Databáze: MEDLINE
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