A number of carbon supported bi/multi-metallic Pt-based electrocatalysts with a metal particle-size and shape controllable in nanoscale and a narrow size distribution were prepared by the improved polyol method. Among the electrocatalysts prepared in-house, PtSn/C showed a high direct ethanol fuel cell performance and PtPd/C exhibited a favorable methanol-tolerant property and oxygen-reduction activity. Several MEA fabrication methods such as direct-spray, decal and screen-printing were developed, through which the pore structure and hydrophilic/hydrophobic properties in the MEAs could be controlled desirably. With multi-layer structured electrodes, the maximum power density of 300 mW/cm2 and 240 mW/cm2 for the single cells were achieved at 90 °C under 0.2 MPa pressures of oxygen and air, respectively. Several demonstrations of active and passive compact DMFC systems ranging from sub-watts to 200 watt were fabricated. Some of them were demonstrated in PDA, toy cars, mobile phones and laptop computers.
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ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology
June 19–21, 2006
Irvine, California, USA
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4247-9
PROCEEDINGS PAPER
Studies on Electrocatalysts, MEAs and Compact Stacks of Direct Alcohol Fuel Cells Available to Purchase
Gongquan Sun,
Gongquan Sun
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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Guoxiong Wang,
Guoxiong Wang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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Suli Wang,
Suli Wang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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Shiyou Yan,
Shiyou Yan
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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Shaohua Yang,
Shaohua Yang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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Qin Xin
Qin Xin
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
Search for other works by this author on:
Gongquan Sun
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
Guoxiong Wang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
Suli Wang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
Shiyou Yan
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
Shaohua Yang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
Qin Xin
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
Paper No:
FUELCELL2006-97244, pp. 1191-1201; 11 pages
Published Online:
September 15, 2008
Citation
Sun, G, Wang, G, Wang, S, Yan, S, Yang, S, & Xin, Q. "Studies on Electrocatalysts, MEAs and Compact Stacks of Direct Alcohol Fuel Cells." Proceedings of the ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B. Irvine, California, USA. June 19–21, 2006. pp. 1191-1201. ASME. https://doi.org/10.1115/FUELCELL2006-97244
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