期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 40, 期 46, 页码 16230-16237出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.09.054
关键词
N-doped porous carbon; Aluminium/air battery; Electrocatalyst
资金
- Strategic Emerging Industries Program of Shenzhen, China [JCYJ20120618164543322]
- Excellent Youth Foundation of Hunan Provincial Science [13JJ1003]
- Engineering Research Centre of Advanced Battery Materials, the Ministry of Education, China
A metal-free N-doped porous carbon (N-PC) derived from tapioca was fabricated and used as an enhanced electrocatalyst for aqueous metal/air battery. The electrochemical performance of N-doped porous carbon material as well as undoped porous carbon (PC) was studied by galvanostatic discharge measurements and steady-state linear polarization. Because of the existence of doping N atom, the N-PC exhibits a nice electrocatalytic activity in alkaline solutions. In addition, the N-PC loaded air electrode performs a high discharge voltage of 1.36 Vat a current density of 50 mA cm(-2) in aluminium/air battery, which should be attributed to highly efficient, new and active sites created by N doping. N-PC could be used as an advanced electrocatalyst for high power aluminium/air battery. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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