Fabrication Sandwich‐Like V 2 O 5  Nanosheets Anchor in Graphene Towards High Energy Lithium Cathode Materials | Zendy

Wu Lijun | Zendy; Zhang Yu | Zendy; Fan Lishuang | Zendy; Zhang Qi | Zendy; Wang Pengxiang | Zendy; Tian Da | Zendy; Zhang Naiqing | Zendy; Sun Kening | Zendy

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Fabrication Sandwich‐Like V 2 O 5 Nanosheets Anchor in Graphene Towards High Energy Lithium Cathode Materials

Author(s) -

Wu Lijun,

Zhang Yu,

Fan Lishuang,

Zhang Qi,

Wang Pengxiang,

Tian Da,

Zhang Naiqing,

Sun Kening

Publication year - 2018

Publication title -

energy technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.91

H-Index - 44

eISSN - 2194-4296

pISSN - 2194-4288

DOI - 10.1002/ente.201800168

Subject(s) - graphene , cathode , fabrication , materials science , lithium (medication) , composite number , nanotechnology , chemical engineering , composite material , chemistry , medicine , alternative medicine , pathology , endocrinology , engineering

The conventional cathode cannot meet the constantly increasing demand for high specific capacity in next generation cathode. V 2 O 5 is an attractive cathode material due to its high theoretical specific capacity (294 mAh g −1 ) and affordable cost. Herein, we report a facile process for the fabrication of 2D sandwich‐like V 2 O 5 @Graphene nanosheets. Profiting from a synergic strategy inhibiting stacked layered structure and enhanced ion transport within interlayer, the sandwich‐like V 2 O 5 @Graphene composite exhibits exceptional high initial reversible capacity (300 mAh g −1 at the 0.5 C), excellent cyclic stability (203 mAh g −1 after 245 cycles) and high‐rate capability (165 mAh g −1 at the 10 C).

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