Publication:
A high-performance metal-free hydrogen-evolution reaction electrocatalyst from bacterium derived carbon

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Wei, Li
Karahan, Hüseyin Enis
Goh, Kunli
Jiang, Wenchao
Yu, Dingshan
Jiang, Rongrong
Chen, Yuan

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Date

2015

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Journal Article

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NO

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Abstract

We report a sustainable approach to obtain carbon materials with nitrogen and phosphorus dual functionalities from a common bacterium strain (S. aureus) as a highly efficient hydrogen-evolution reaction (HER) catalyst. With mesoporous structure introduced by ZnCl2 salt and cathodic activation, it demonstrates an onset overpotential as low as 76 mV, a Tafel slope of 58.4 mV dec(-1) and a large normalized exchange current density of 1.72 x 10(-2) mA cm(-2), which are comparable to those of hitherto best metal-free and well-fabricated metallic HER catalysts

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Royal Society of Chemistry (RSC)

Subject

Physical chemistry, Materials science

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Journal of Materials Chemistry A

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DOI

10.1039/c5ta00966a

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https://hdl.handle.net/20.500.14288/1944

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