发明授权
US06228521B1 High power density solid oxide fuel cell having a graded anode
有权
具有分级阳极的高功率密度固体氧化物燃料电池
- 专利标题: High power density solid oxide fuel cell having a graded anode
- 专利标题(中): 具有分级阳极的高功率密度固体氧化物燃料电池
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申请号: US09208609申请日: 1998-12-08
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公开(公告)号: US06228521B1公开(公告)日: 2001-05-08
- 发明人: Jai-Woh Kim , Kuan-Zong Fung , Anil V. Virkar
- 申请人: Jai-Woh Kim , Kuan-Zong Fung , Anil V. Virkar
- 主分类号: H01M488
- IPC分类号: H01M488
摘要:
The present invention concerns a high power density solid oxide fuel cell having a cathode, electrolyte and graded porous anode. The graded porosity of the anode allows easy transport of fuel gases thereby minimizing concentration polarization. Power densities of about 1.8 W/cm2 at 800° C. and about 0.8 W/cm2 at about 650° C. have been achieved with graded porous anodes as thick as 0.75 mm. These fuel cells having a graded porous anode are more durable and mechanically reliable than those found in the art.