Binding mechanism and electrochemical properties of M13 phage-sulfur composite

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

Research output: Contribution to journalArticle

8 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 languageEnglish
Article numbere82332
JournalPLoS One
Volume8
Issue number11
DOIs
Publication statusPublished - Nov 26 2013

ASJC Scopus subject areas

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

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