Highly electrically conductive layered carbon derived from polydopamine and its functions in SnO2-based lithium ion battery anodes

Junhua Kong; Wu Aik Yee; Liping Yang; Yuefan Wei; Si Lei Phua; Hock Guan Ong; Jia Ming Ang; Xu Li; Xuehong Lu

doi:10.1039/C2CC35284B

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Highly electrically conductive layered carbon derived from polydopamine and its functions in SnO₂-based lithium ion battery anodes†

Junhua Kong,‡^a Wu Aik Yee,‡^a Liping Yang,‡^a Yuefan Wei,^b Si Lei Phua,^a Hock Guan Ong,^a Jia Ming Ang,^a Xu Li^c and Xuehong Lu*^a

Author affiliations

* Corresponding authors

^a School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore
E-mail: ASXHLu@ntu.edu.sg

^b School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore

^c Institute of Materials Research & Engineering, A-star, 3 Research Link, Singapore

Abstract

Thin carbonized polydopamine (C-PDA) coatings are found to have similar structures and electrical conductivities to those of multilayered graphene doped with heteroatoms. Greatly enhanced electrochemical properties are achieved with C-PDA-coated SnO₂ nanoparticles where the coating functions as a mechanical buffer layer and conducting bridge.

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Article information

DOI: https://doi.org/10.1039/C2CC35284B
Article type: Communication
Submitted: 22 Jul 2012
Accepted: 24 Aug 2012
First published: 24 Aug 2012

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Chem. Commun., 2012,48, 10316-10318

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Highly electrically conductive layered carbon derived from polydopamine and its functions in SnO₂-based lithium ion battery anodes

J. Kong, W. A. Yee, L. Yang, Y. Wei, S. L. Phua, H. G. Ong, J. M. Ang, X. Li and X. Lu, Chem. Commun., 2012, 48, 10316 DOI: 10.1039/C2CC35284B

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Chemical Communications