Hierarchical NiCoO 2  Nanosheets Anchored on Hollow Carbon Spheres for High‐Performance Lithium‐Ion Battery Anodes | Zendy

Chen Sheng | Zendy; Liang Jin | Zendy; Pang Yuanchao | Zendy; Dong Bitao | Zendy; Xu Xin | Zendy; Ding Shujiang | Zendy

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Hierarchical NiCoO 2 Nanosheets Anchored on Hollow Carbon Spheres for High‐Performance Lithium‐Ion Battery Anodes

Author(s) -

Chen Sheng,

Liang Jin,

Pang Yuanchao,

Dong Bitao,

Xu Xin,

Ding Shujiang

Publication year - 2018

Publication title -

chempluschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.801

H-Index - 61

ISSN - 2192-6506

DOI - 10.1002/cplu.201800102

Subject(s) - anode , lithium (medication) , materials science , carbon fibers , battery (electricity) , ion , chemical engineering , lithium ion battery , nanotechnology , current density , electrode , chemistry , composite material , composite number , physics , organic chemistry , medicine , power (physics) , quantum mechanics , engineering , endocrinology

This study reports the synthesis of hierarchical NiCoO 2 nanosheets growing on hollow carbon spheres (denoted as NiCoO 2 NSs@HCS) via a facile and low‐cost process. When evaluated as anode materials for lithium‐ion batteries, the as‐prepared NiCoO 2 NSs@HCS exhibits high specific capacity, enhanced cycling stability, and good rate capability. A high discharge capacity of 631.7 mA h g −1 is delivered even after 200 cycles at a current density of 400 mA g −1 , corresponding to approximately 92 % of the second reversible discharge capacity. The hierarchical and hollow structure of NiCoO 2 NSs@HCS plays a role in its excellent performance.

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