High performance platinum single atom electrocatalyst for oxygen reduction reaction

被引：647

作者：

Liu, Jing ^{[1
,2
]}

Jiao, Menggai ^{[2
,3
]}

Lu, Lanlu ^{[4
]}

Barkholtz, Heather M. ^{[5
]}

Li, Yuping ^{[6
]}

Wang, Ying ^{[2
,7
]}

Jiang, Luhua ^{[6
]}

Wu, Zhijian ^{[3
]}

Liu, Di-Jia ^{[5
]}

Zhuang, Lin ^{[7
]}

Ma, Chao ^{[8
]}

Zeng, Jie ^{[8
]}

Zhang, Bingsen ^{[9
]}

Su, Dangsheng ^{[9
,10
]}

Song, Ping ^{[1
]}

Xing, Wei ^{[1
]}

Xu, Weilin ^{[1
]}

Wang, Ying ^{[2
,7
]}

Jiang, Zheng ^{[4
]}

Sun, Gongquan ^{[6
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Jilin Prov Key Lab Low Carbon Chem Power, State Key Lab Electroanalyt Chem, 5625 Renmin St, Changchun 130022, Jilin, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Jilin, Peoples R China

[4] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China

[5] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA

[6] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian 116023, Peoples R China

[7] Wuhan Univ, Hubei Key Lab Electrochem Power Sources, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

[8] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Dept Chem Phys, Hefei 230026, Anhui, Peoples R China

[9] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

[10] Max Planck Gesell, Fritz Haber Inst, Faradayweg 4-6, D-14195 Berlin, Germany

来源：

NATURE COMMUNICATIONS | 2017年 / 8卷

基金：

中国国家自然科学基金;

关键词：

INITIO MOLECULAR-DYNAMICS; TOTAL-ENERGY CALCULATIONS; NITROGEN-DOPED CARBON; WAVE BASIS-SET; CO OXIDATION; ALLOY ELECTROCATALYSTS; ETHYLENE HYDROGENATION; FUEL-CELLS; CATALYSTS; GRAPHENE;

D O I：

10.1038/ncomms15938

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

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.

引用

页数：9

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