Nitrogen-doped porous carbon nanofiber webs as anodes for lithium ion batteries with a superhigh capacity and rate capability.

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Abstract

Nitrogen-doped carbon nanofiber webs (CNFWs) with high surface areas are successfully prepared by carbonization-activation of polypyrrole nanofiber webs with KOH. The as-obtained CNFWs exhibit a superhigh reversible capacity of 943 mAh g(-1) at a current density of 2 A g(-1) even after 600 cycles, which is ascribed to the novel porous nanostructure and high-level nitrogen doping.

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Journal

Journal ID (iso-abbrev): Adv Mater

Title: Advanced materials (Deerfield Beach, Fla.)

Publisher: Wiley

ISSN (Electronic): 1521-4095

ISSN (Print): 0935-9648

Publication date (Electronic): Apr 17 2012

Volume: 24

Issue: 15

Affiliations

[1 ] State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, China.

Article

DOI: 10.1002/adma.201104634

PubMed ID: 22422374

SO-VID: a9bb1821-7985-4df6-9e26-1af8c17db212

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