Graphene-xerogel-based non-precious metal catalyst for oxygen reduction reaction

被引：25

作者：

Fu, Xiaogang ^{[1
,2
,3
]}

Jin, Jutao ^{[1
]}

Liu, Yanru ^{[1
,2
,3
]}

Liu, Qiao ^{[1
]}

Niu, Kexing ^{[1
]}

Zhang, Junyan ^{[1
]}

Cao, Xiaoping ^{[2
,3
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[2] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China

[3] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 28卷

关键词：

Graphene xerogel; Electrocatalysts; Oxygen reduction reaction; NITROGEN-DOPED GRAPHENE; PEM FUEL-CELLS; ELECTROCATALYSTS; OXIDE; ACID;

D O I：

10.1016/j.elecom.2012.11.017

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Graphene-xerogel-based Co-N cathode catalyst (Co-N-GX) for the oxygen reduction reaction (ORR) was prepared through a simple approach. The Co-N-GX shows a more positive onset potential, higher cathodic density for the ORR in alkaline media than graphene-sheet-based Co-N catalyst (Co-N-GS), highlighting the importance of high specific surface area for improving the ORR performance. The proposed approach makes the Co-N-GX catalyst a non-precious metal cathode catalyst for fuel cells. (c) 2012 Elsevier B.V. All rights reserved.

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页码：5 / 8

页数：4

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