Phosphorus-doped graphitic carbon nitrides grown In situ on carbon-fiber paper: flexible and reversible oxygen electrodes
Date
2015
Authors
Ma, T.Y.
Ran, J.
Dai, S.
Jaroniec, M.
Qiao, S.Z.
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Journal article
Citation
Angewandte Chemie International Edition, 2015; 54(15):4646-4650
Statement of Responsibility
Tian Yi Ma, Jingrun Ran, Sheng Dai, Mietek Jaroniec, and Shi Zhang Qiao
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Abstract
Flexible non-metal oxygen electrodes fabricated from phosphorus-doped graphitic carbon nitride nano-flowers directly grown on carbon-fiber paper exhibit high activity and stability in reversibly catalyzing oxygen reduction and evolution reactions, which is a result of N, P dual action, enhanced mass/charge transfer, and high active surface area. The performance is comparable to that of the state-of-the-art transition-metal, noble-metal, and non-metal catalysts. Remarkably, the flexible nature of these oxygen electrodes allows their use in folded and rolled-up forms, and directly as cathodes in Zn-air batteries, featuring low charge/discharge overpotential and long lifetime.
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© 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim