TiO 2 –B Nanosheets/Anatase Nanocrystals Co‐Anchored on Nanoporous Graphene: In Situ Reduction–Hydrolysis Synthesis and Their Superior Rate Performance as an Anode Material | Zendy

Chen Chaoji | Zendy; Hu Xianluo | Zendy; Jiang Yan | Zendy; Yang Ze | Zendy; Hu Pei | Zendy; Huang Yunhui | Zendy

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TiO 2 –B Nanosheets/Anatase Nanocrystals Co‐Anchored on Nanoporous Graphene: In Situ Reduction–Hydrolysis Synthesis and Their Superior Rate Performance as an Anode Material

Author(s) -

Chen Chaoji,

Hu Xianluo,

Jiang Yan,

Yang Ze,

Hu Pei,

Huang Yunhui

Publication year - 2014

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201303734

Subject(s) - materials science , anatase , graphene , nanoporous , nanocrystal , mesoporous material , nanopore , nanotechnology , chemical engineering , anode , oxide , specific surface area , electrode , photocatalysis , catalysis , chemistry , organic chemistry , engineering , metallurgy

A unique hybrid, TiO 2 –B nanosheets/anatase nanocrystals co‐anchored on nanoporous graphene sheets, can be synthesized by a facile microwave‐induced in situ reduction–hydrolysis route. The as‐formed nanohybrid has a hierarchically porous structure, involving both mesopores of approximately 4 nm and meso‐/macropores of 30–60 nm in the graphene sheets, and a large surface area. Importantly, electrodes composed of the nanohybrid exhibit superior rate capability (160 mA h g −1 at ca. 36 C; 154 mA h g −1 at ca. 72 C) and excellent cyclability. The synergistic effects of conductive graphene with numerous nanopores and the pseudocapacitive effect of ultrafine TiO 2 –B nanosheets and anatase nanocrystals endow the hybrid a superior rate capability.

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