Lithium‐Ion Battery Performance of (001)‐Faceted TiO 2  Nanosheets vs. Spherical TiO 2  Nanoparticles | Zendy

Wang Zhihui | Zendy; Zhang Yuliang | Zendy; Xia Ting | Zendy; Murowchick James | Zendy; Liu Gao | Zendy; Chen Xiaobo | Zendy

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Lithium‐Ion Battery Performance of (001)‐Faceted TiO 2 Nanosheets vs. Spherical TiO 2 Nanoparticles

Author(s) -

Wang Zhihui,

Zhang Yuliang,

Xia Ting,

Murowchick James,

Liu Gao,

Chen Xiaobo

Publication year - 2014

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.201300140

Subject(s) - materials science , lithium (medication) , anode , nanoparticle , electrochemistry , chemical engineering , lithium ion battery , ion , battery (electricity) , graphite , diffusion , nanotechnology , composite material , electrode , power (physics) , chemistry , medicine , physics , organic chemistry , quantum mechanics , engineering , thermodynamics , endocrinology

The influence of surface morphology on the lithium‐ion battery performance of TiO 2 , a safer anode material than graphite, has been investigated. We demonstrate that (001)‐faceted TiO 2 nanosheets display better electrochemical energy storage performance, higher charge/discharge rates, larger capacity, and improved stability over spherical TiO 2 nanoparticles. The improvement is attributed to the smaller charge diffusion resistance in the TiO 2 nanosheets as a result of increased lithium‐ion insertion/extraction along the c‐axis during the charge/discharge process for the (001)‐faceted TiO 2 nanosheets in comparison to spherical TiO 2 nanoparticles.

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