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题名: High performance platinum single atom electrocatalyst for oxygen reduction reaction
作者: Liu, Jing;  Jiao, Menggai;  Lu, Lanlu;  Barkholtz, Heather M.;  Li, Yuping;  Wang, Ying;  Jiang, Luhua;  Wu, Zhijian;  Liu, Di-Jia;  Zhuang, Lin;  Ma, Chao;  Zeng, Jie;  Zhang, Bingsen;  Su, Dangsheng;  Song, Ping;  Xing, Wei;  Xu, Weilin;  Wang, Ying;  Jiang, Zheng;  Sun, Gongquan
发表日期: 2017-7-24
摘要: For the large-scale sustainable implementation of polymer electrolyte membrane fuel cells in vehicles, high-performance electrocatalysts with low platinum consumption are desirable for use as cathode material during the oxygen reduction reaction in fuel cells. Here we report a carbon black-supported cost-effective, efficient and durable platinum single-atom electrocatalyst with carbon monoxide/methanol tolerance for the cathodic oxygen reduction reaction. The acidic single-cell with such a catalyst as cathode delivers high performance, with power density up to 680 mW cm(-2) at 80 degrees C with a low platinum loading of 0.09 mg(Pt) cm(-2), corresponding to a platinum utilization of 0.13 g(Pt) kW(-1) in the fuel cell. Good fuel cell durability is also observed. Theoretical calculations reveal that the main effective sites on such platinum single-atom electrocatalysts are single-pyridinic-nitrogen-atom-anchored single-platinum-atom centres, which are tolerant to carbon monoxide/methanol, but highly active for the oxygen reduction reaction.
刊名: NATURE COMMUNICATIONS
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
Liu, Jing,Jiao, Menggai,Lu, Lanlu,et al. High Performance Platinum Single Atom Electrocatalyst For Oxygen Reduction Reaction[J]. Nature Communications,2017,8:-.

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