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尖晶石/层状异质结构阴极材料用于高容量和高倍率锂离子电池。

Spinel/layered heterostructured cathode material for high-capacity and high-rate Li-ion batteries.

机构信息

School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing Key Laboratory of Environmental, Science and Engineering, Beijing, 100081, P. R. China.

出版信息

Adv Mater. 2013 Jul 19;25(27):3722-6. doi: 10.1002/adma.201300598. Epub 2013 Jun 6.

DOI:10.1002/adma.201300598
PMID:23740661
Abstract

Best of both worlds: A heterostructured material is synthesized that comprises a core of layered lithium-rich material and an outer layer of nanospinel material. This spinel/layered heterostructured material maximizes the inherent advantages of the 3D Li(+) insertion/extraction framework of the spinel structure and the high Li(+) storage capacity of the layered structure. The material exhibits super-high reversible capacities, outstanding rate capability and excellent cycling ability.

摘要

两全其美

合成了一种异质结构材料，该材料包含层状富锂材料的核和纳米尖晶石材料的外壳。这种尖晶石/层状异质结构材料最大限度地发挥了尖晶石结构的三维 Li(+)嵌入/提取框架和层状结构的高 Li(+)存储容量的固有优势。该材料表现出超高的可逆容量、出色的倍率性能和优异的循环稳定性。

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