Separated Tellurium Nanoparticles Confined in Hollow Polypyrrole for High Performance Li‐Te Cathode | Zendy

Wang Deqiang | Zendy; Tian Qi | Zendy; Yang Lin | Zendy; Kuang Shuai | Zendy; Jin Rencheng | Zendy; Yue Hailong | Zendy; Wang Guangming | Zendy; Wang Qingyao | Zendy; Gao Shanmin | Zendy

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Separated Tellurium Nanoparticles Confined in Hollow Polypyrrole for High Performance Li‐Te Cathode

Author(s) -

Wang Deqiang,

Tian Qi,

Yang Lin,

Kuang Shuai,

Jin Rencheng,

Yue Hailong,

Wang Guangming,

Wang Qingyao,

Gao Shanmin

Publication year - 2019

Publication title -

chemistryselect

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 34

ISSN - 2365-6549

DOI - 10.1002/slct.201902107

Subject(s) - polypyrrole , tellurium , cathode , nanoparticle , materials science , current density , fabrication , chemical engineering , conductivity , nanotechnology , polymer , composite material , chemistry , metallurgy , polymerization , medicine , physics , alternative medicine , pathology , quantum mechanics , engineering

An innovative method for the fabrication of separated tellurium nanoparticles inside the hollow polypyrrole (PPy) has been developed. The polypyrrole effectively confines the Te nanoparticles through C−Te and C−Te‐N bonds and improves the conductivity and structural integrity. The unique Te/PPy architecture is proved to achieve good reversible specific capacity of 178.2 mAh g −1 (1112 mAh cm −3 ) at 100 mA g −1 and high rate capacity (98.4 mAh g −1 at the current density of 1600 mA g −1 ) when evaluated as cathode for Li−Te batteries.

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