Electrocatalysis enhancement of iron-based catalysts induced by synergy of methanol and oxygen-containing groups

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成果类型：

期刊论文

作者：

Yan, Xingxu;Tang, Zhenkun;Xu, Xin;Fang, Fang;Song, Dongsheng;...

通讯作者：

Luo, Jun;Zhu, Jing;Liu, Li-Min;Lu, Shanfu

作者机构：

[Luo, Jun; Fang, Fang; Song, Dongsheng; Luo, J; Zhu, Jing; Yan, Xingxu] Tsinghua Univ, Natl Ctr Elect Microscopy Beijing, Sch Mat Sci & Engn, Key Lab Adv Mat MOE, Beijing 100084, Peoples R China.

[Luo, Jun; Fang, Fang; Song, Dongsheng; Luo, J; Zhu, Jing; Yan, Xingxu] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Sch Mat Sci & Engn, Beijing 100084, Peoples R China.

[Tang, Zhenkun; Liu, Li-Min] Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.

[Tang, Zhenkun] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421008, Peoples R China.

[Lu, Shanfu; Xu, Xin] Beihang Univ, Beijing Key Lab Bioinspired Energy Mat & Devices, Sch Chem & Environm, Beijing 100191, Peoples R China.

通讯机构：

[Luo, J; Zhu, J] T

[Liu, Li-Min; Lu, Shanfu] B

Tsinghua Univ, Natl Ctr Elect Microscopy Beijing, Sch Mat Sci & Engn, Key Lab Adv Mat MOE, Beijing 100084, Peoples R China.

Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Sch Mat Sci & Engn, Beijing 100084, Peoples R China.

Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.

语种：

英文

关键词：

Direct methanol fuel cell;Iron-based catalysts;Methanol crossover;Oxygen reduction reaction;Oxygen-containing groups;Synergy-induced enhancement

期刊：

Nano Energy

ISSN：

2211-2855

年：

2016

卷：

页码：

265-275

DOI：

10.1016/j.nanoen.2016.01.030

基金类别：

Finally, we applied the Fe–N–C:HO catalysts in a cathode of an assembled FC systems. We compared the performance and methanol response of two kinds of AEMDMFCs with the Fe–N–C:HO catalysts and commercial Pt/C catalysts in the cathode. Quaternary ammonia polysulfone (QAPSF) was empolyed as the electrolyte [55]. The alkaline environment in the AEMDMFC satisfies the SIE condition, and then the influence of methanol was investigated by injecting methanol with the oxygen gas. Figure 5a and c shows

机构署名：

本校为其他机构

院系归属：

物理与电子工程学院

摘要：

Direct methanol fuel cells (DMFCs) have been recognized as a promising type of power sources to solve the energy shortage and environmental pollution from fossil energy consumption. However, their commercialization is still hindered by two major problems, the high cost of Pt-based catalysts and the crossover of methanol from anodes to cathodes. In the second problem, the methanol molecules can poison the Pt-based catalysts and lower the cell voltages by reacting with oxygen. Fe-based catalysts containing Fe-N-active sites are well known as low-cost candidates that are promising to replace the ...

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Electrocatalysis enhancement of iron-based catalysts induced by synergy of methanol and oxygen-containing groups

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