Binding mechanism and electrochemical properties of M13 phage-sulfur composite

Dexian Dong; Yongguang Zhang; Sanjana Sutaria; Aishuak Konarov; Pu Chen

doi:10.1371/journal.pone.0082332

Binding mechanism and electrochemical properties of M13 phage-sulfur composite

Dexian Dong, Yongguang Zhang, Sanjana Sutaria, Aishuak Konarov, Pu Chen

Department of Chemical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Self-assembly of nanostructured materials has been proven a powerful technique in material design and synthesis. By phage display screening, M13 phage was found to strongly bind sulfur particles. Fourier transform infrared and X-ray photoelectron spectroscopy measurements indicated that the strong sulfur-binding ability of M13 phage derives from newly generated S-O and C-S bonds. Using this phage assembled sulfur composite in a lithium battery, the first discharge capacity reached 1117 mAh g^-1, which is more than twice that of the sulfur only cathode. Besides, the negative polysulfide shuttle effect in a lithium-sulfur battery was significantly suppressed.

Original language	English
Article number	e82332
Journal	PLoS One
Volume	8
Issue number	11
DOIs	https://doi.org/10.1371/journal.pone.0082332
Publication status	Published - Nov 26 2013

ASJC Scopus subject areas

Biochemistry, Genetics and Molecular Biology(all)
Agricultural and Biological Sciences(all)

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