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Effect of pulse electrodeposition parameters on electrocatalytic the activity of methanol oxidation and morphology of Pt/C catalyst for direct methanol fuel cells
Ye, Feng1,3; Xu, Chao1; Liu, Guicheng2; Yuan, Mengdi1; Wang, Zhiming1; Du, Xiaoze1; Lee, Joong Kee2
2018-03-15
发表期刊ENERGY CONVERSION AND MANAGEMENT
ISSN0196-8904
卷号160页码:85-92
摘要The electrodeposition technique for preparing direct methanol fuel cell electrodes has been developed to increase the Pt utilization and lower the Pt loading. The performance of the Pt/C electrode for methanol oxidation reaction (MOR) was optimized by adjusting the electrodeposition parameters such as applied electrical signal types, ratios of t(on)/t(off) deposition temperatures, and electrolyte concentrations, systematically. Furthermore, the effects of two kinds of additives, i.e. polyethylene glycol (PEG) and sodium dodecyl sulfonate (SDS), on the catalytic performance and morphology of Pt catalyst were investigated for MOR by SEM, XRD, cyclic voltammetry and linear sweep voltammetry. The results show that the optimal Pt catalyst has been prepared by the square wave current method with t(on)/t(off) of 1 s/5 s at 30 degrees C in a 1.0 mmol L-1 H2PtCl6 solution with a 10(-4) mmol L-1 PEG additive. Moreover, the effect of the additive type and amount on the formation mechanism of the Pt crystallite morphology has also been discussed. From the results, introducing additives into the deposition solution in the pulse electrodeposition process is useful for designing and fabricating electrocatalytic electrodes for direct methanol fuel cells.
关键词Direct Methanol Fuel Cell Pt Catalyst Electrodeposition Parameter Methanol Oxidation Reaction Electrical Signal
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2018.01.027
收录类别SCI
语种英语
关键词[WOS]PERFORMANCE ; ELECTROOXIDATION ; NANOPARTICLES ; MEMBRANE ; GRAPHENE ; CARBON ; LAYER ; FILMS
WOS研究方向Thermodynamics ; Energy & Fuels ; Mechanics
WOS类目Thermodynamics ; Energy & Fuels ; Mechanics
项目资助者National Natural Science Foundation of China(21476246 ; NRF - National Research Foundation under the Ministry of Science, ICT Future, Korea(NRF-2015H1D3A1036078 ; 51522602) ; NRF-2017R1A2B2002607)
WOS记录号WOS:000428099700008
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24144
专题多相复杂系统国家重点实验室
作者单位1.North China Elect Power Univ, Sch Energy Power & Mech Engn, Key Lab Condit Monitoring & Control Power Plant E, Beijing 102206, Peoples R China
2.KIST, Green City Res Inst, Ctr Energy Convergence Res, Hwarang Ro 14 Gil 5, Seoul 02792, South Korea
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
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Ye, Feng,Xu, Chao,Liu, Guicheng,et al. Effect of pulse electrodeposition parameters on electrocatalytic the activity of methanol oxidation and morphology of Pt/C catalyst for direct methanol fuel cells[J]. ENERGY CONVERSION AND MANAGEMENT,2018,160:85-92.
APA Ye, Feng.,Xu, Chao.,Liu, Guicheng.,Yuan, Mengdi.,Wang, Zhiming.,...&Lee, Joong Kee.(2018).Effect of pulse electrodeposition parameters on electrocatalytic the activity of methanol oxidation and morphology of Pt/C catalyst for direct methanol fuel cells.ENERGY CONVERSION AND MANAGEMENT,160,85-92.
MLA Ye, Feng,et al."Effect of pulse electrodeposition parameters on electrocatalytic the activity of methanol oxidation and morphology of Pt/C catalyst for direct methanol fuel cells".ENERGY CONVERSION AND MANAGEMENT 160(2018):85-92.
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