Catalytic performance of hybrid Pt@ZnO NRs on carbon fibers for methanol electro-oxidation

Dongyan Li; Chen Gu; Feng Han; Zhaoxiang Zhong; Weihong Xing

doi:10.1016/j.cjche.2017.08.013

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Catalytic performance of hybrid Pt@ZnO NRs on carbon fibers for methanol electro-oxidation

第25届中国过程控制会议专栏 | Updated：2026-01-06

- Catalytic performance of hybrid Pt@ZnO NRs on carbon fibers for methanol electro-oxidation
- Chinese Journal of Chemical Engineering Vol. 25, Issue 12, Pages: 1871-1876(2017)
- Affiliations：
  
  State Key Laboratory of Materials-Oriented Chemical Engineering, National Engineering Research Center for Special Separation Membrane, Nanjing Tech University,Nanjing,China,210009
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.08.013
  CLC：
- Published：2017
- Accepted：
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Dongyan Li, Chen Gu, Feng Han, Zhaoxiang Zhong, Weihong Xing. Catalytic performance of hybrid Pt@ZnO NRs on carbon fibers for methanol electro-oxidation[J]. Chin.J.Chem.Eng., 2017, 25(12): 1871-1876.
DOI：

Dongyan Li, Chen Gu, Feng Han, Zhaoxiang Zhong, Weihong Xing. Catalytic performance of hybrid Pt@ZnO NRs on carbon fibers for methanol electro-oxidation[J]. Chin.J.Chem.Eng., 2017, 25(12): 1871-1876. DOI： 10.1016/j.cjche.2017.08.013.

摘要

Abstract

A novel Pt@ZnO nanorod/carbon fiber (NR/CF) with hierarchical structure was prepared by atomic layer deposition combined with hydrothermal synthesis and magnetron sputtering (MS). The morphology of Pt changes from nanoparticle to nanorod bundle with controlled thickness of Pt between 10 and 50 nm. Significantly

with the increase of voltage from 0 to 0.6 V (vs. standard calomel electrode)

the prompt photocurrent generated on ZnO NR/CF increases from 0.235 to 0.725 mA. Besides

the Pt@ZnO NR/CF exhibited higher electrochemical active surface area (ECSA) value

better methanol oxidation ability and CO tolerance than Pt@CF

which demonstrated the importance of the multifunctional ZnO support. As the thickness of Pt increasing from 10 to 50 nm

the ECSA values were improved proportionally

leading to the improvement of methanol oxidation ability. More importantly

UV radiation increased the density of peak current of Pt@ZnO NR/CF towards methanol oxidation by additional 42.4%

which may be due to the synergy catalysis of UV light and electricity.

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