Hollow Nanotubes of N‐Doped Carbon on CoS | Zendy

Chen Yuming | Zendy; Li Xiaoyan | Zendy; Park Kyusung | Zendy; Zhou Limin | Zendy; Huang Haitao | Zendy; Mai YiuWing | Zendy; Goodenough John B. | Zendy

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Hollow Nanotubes of N‐Doped Carbon on CoS

Author(s) -

Chen Yuming,

Li Xiaoyan,

Park Kyusung,

Zhou Limin,

Huang Haitao,

Mai YiuWing,

Goodenough John B.

Publication year - 2016

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201608489

Subject(s) - anode , materials science , carbon nanotube , doping , carbon fibers , substrate (aquarium) , carbon nanofiber , chemical engineering , nanofiber , ion , nanotechnology , nitrogen , battery (electricity) , inorganic chemistry , electrode , chemistry , organic chemistry , composite material , optoelectronics , oceanography , geology , composite number , engineering , power (physics) , physics , quantum mechanics

Low‐cost, single‐step synthesis of hollow nanotubes of N‐doped carbon deposited on CoS is enabled by the simultaneous use of three functionalities of polyacrylonitrite (PAN) nanofibers: 1) a substrate for loading active materials, 2) a sacrificial template for creating hollow tubular structures, and 3) a precursor for in situ nitrogen doping. The N‐doped carbon in hollow tubes of CoS provides a high‐capacity anode of long cycle life for a rechargeable Li‐ion or Na‐ion battery cell that undergoes the conversion reaction 2 A + +2 e − +CoS →Co+A 2 S with A=Li or Na.

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