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Functions of hydroxyapatite in fabricating N-doped carbon for excellent catalysts and supercapacitors

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Abstract

Functions of hydroxyapatite (HAP) in fabricating nitrogen-containing carbon materials with 1,10-phenanthroline as a precursor were demonstrated. HAP can efficiently prevent 1,10-phenanthroline from subliming and promote it to graphitized carbon during the annealing process. More importantly, HAP favored the generation of active oxygen-containing groups on the final nitrogen-doped carbon NC(HAP), which exhibited excellent catalytic performance for the oxidative coupling of amines to imines (yield 84–95%) and remarkable electrochemical performance for supercapacitors. In electrochemical experiments, NC(HAP) exhibited an outstanding specific capacitance of 366 F g−1 at 0.5 A g−1 and an excellent capacitance retention of 98.5% after 5000 charge–discharge cycles at 10 A g−1.

Graphical abstract: Functions of hydroxyapatite in fabricating N-doped carbon for excellent catalysts and supercapacitors

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Publication details

The article was received on 27 Apr 2019, accepted on 02 Aug 2019 and first published on 02 Aug 2019


Article type: Paper
DOI: 10.1039/C9CY00804G
Catal. Sci. Technol., 2019, Advance Article

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    Functions of hydroxyapatite in fabricating N-doped carbon for excellent catalysts and supercapacitors

    M. Chu, Y. Zhai, N. Shang, X. Zhang, C. Wang, Y. Zhang, H. Wang and Y. Gao, Catal. Sci. Technol., 2019, Advance Article , DOI: 10.1039/C9CY00804G

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