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특허 상세정보

Fuel-cell system and method for operating a fuel-cell system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01M-008/04   
미국특허분류(USC) 429/017 ; 429/026 ; 429/034
출원번호 US-0843805 (1997-04-21)
우선권정보 DE-4437413 (1994-10-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lerner
인용정보 피인용 횟수 : 34  인용 특허 : 7
초록

It is presently customary in a high-temperature fuel-cell system to divide the cathode waste gas, in particular, into two subflows, of which one is recirculated again to the cathode and the other is removed for heat utilization. The bifurcation is carried out at relatively high technical costs at about the operating temperature of the fuel cell at the gas outlets themselves. In order to reduce that cost, the entire cathode waste gas is fed through a heat exchanger to a bifurcation having two branch pipes. The first branch pipe opens through an air additi...

대표
청구항

[ We claim:] [1.] A fuel-cell system, comprising:at least one fuel-cell block having an anode section and having a cathode section producing cathode waste gas;a waste gas pipe starting from said cathode section and carrying all of the cathode waste gas;a heat exchanger through which said waste gas pipe extends; anda bifurcation to which said waste gas pipe extends, said bifurcation having first and second branch pipes, said first branch pipe having an air addition point, passing through said heat exchanger and opening into said cathode section, said firs...

이 특허를 인용한 특허 피인용횟수: 34

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  2. Takabe Shigeru,JPX ; Komaki Hideaki,JPX. Air supply device for fuel cell. USP2001106296959.
  3. Kawasaki, Satoshi; Ono, Tohru. Body structure of fuel cell vehicle. USP2005106953099.
  4. Keefer, Bowie G.; McLean, Christopher R.; Brown, Michael J.. Electrical current generation system. USP2005076921597.
  5. Keefer,Bowie G.; Connor,Denis J.; Hunter,Carl F.. Energy efficient gas separation for fuel cells. USP2006087087331.
  6. Keefer,Bowie G.; Babicki,Matthew L.; Kirby,Mark H.. Enhanced solid oxide fuel cell systems. USP2007107285350.
  7. Keefer, Bowie G.; Doman, David G.. Flow regulated pressure swing adsorption system. USP200404RE38493.
  8. Keefer,Bowie G.; Doman,David G.. Flow regulated pressure swing adsorption system. USP200801RE40006.
  9. Bernard Randolph M. ; Allen Jeffrey. Fuel cell with internal combustion chamber. USP2000096124053.
  10. Keefer, Bowie G.; Babicki, Matthew L.; Boulet, Andre Jason Joseph; Pelman, Aaron M.; Sellars, Brian G.; Roy, Surajit. Gas separation by combined pressure swing and displacement purge. USP2005066902602.
  11. Keefer,Bowie G.. High temperature fuel cell power plant. USP2006087097925.
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  16. Connor, Denis J.; Keefer, Bowie G.; McLean, Christopher R.; Knights, Shanna D.; St-Pierre, Jean. Methods and apparatuses for gas separation by pressure swing adsorption with partial gas product feed to fuel cell power source. USP2005036866950.
  17. Van Dine Leslie L. ; Grasso Albert P.. Operating system for a fuel cell power plant. USP2001126331366.
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  23. Babicki, Matthew L.; Sellars, Brian G.; Keefer, Bowie G.; Ng, Edson. Process and system for thermochemical conversion of biomass. USP2013098541637.
  24. Michael Rennie Haines NL. Producing electrical energy from natural gas using a solid oxide fuel cell. USP2002086432565.
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  26. Chandran, Ravi; Mansour, Momtaz N.. System integration of a steam reformer and fuel cell. USP2003046548197.
  27. Chandran, Ravi; Mansour, Momtaz N.. System integration of a steam reformer and gas turbine. USP2005086923004.
  28. Chandran,Ravi; Mansour,Momtaz N.. System integration of a steam reformer and gas turbine. USP2007097272934.
  29. Keefer, Bowie G.; McLean, Christopher R.; Brown, Michael J.. System that includes a fuel cell and an oxygen gas delivery system. USP2010077758988.
  30. Keefer, Bowie G.; Sawada, James A.; Johannes, Erik P.; Roy, Surajit; Brown, Michael J.. Systems and processes for providing hydrogen to fuel cells. USP2010037674539.
  31. Keefer,Bowie G.; Sawada,James A.; Johannes,Erik P.; Roy,Surajit; Brown,Michael J.. Systems and processes for providing hydrogen to fuel cells. USP2006057041272.
  32. Baumert, Rob; Greenhill, Craig; Voss, Henry H.; Wells, Brian. Vehicle with a fuel cell system and method for operating the same. USP2003066571897.
  33. Valensa, Jeroen; Kimmel, Adam; Reinke, Michael. Water vaporizer with intermediate steam superheating pass. USP2012058171985.
  34. Valensa, Jeroen; Reinke, Michael J.; Meissner, Alan P.. Water vaporizer with intermediate steam superheating pass. USP2012038136582.