Alloying Motif Confined in Intercalative Frameworks toward Rapid Li-Ion Storage.

ABSTRACT: High-capacity alloying-type anodes suffer poor rate capability due to their great volume expansion, while high-rate intercalation-type anodes are troubled with low theoretical capacity. Herein, a novel mechanism of alloying in the intercalative frameworks is proposed to confer both high-capacity and high-rate performances on anodes. Taking the indium-vanadium oxide (IVO) as a typical system, alloying-typed In is dispersed in the stable intercalative V₂ O₃ to form a solid solution. The alloying-typed In element provides high lithium storage capacity, while the robust, Li-conductive V-O frameworks effectively alleviate the volume expansion and aggregation of In. Benefiting from the above merits, the anode exhibits a high specific capacity of 1364 mA h g^-1 at

SUBMITTER: Lin X 

PROVIDER: S-EPMC9376843 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature