FUEL FOR USE IN FUEL CELL SYSTEM

WIPO Patent Application WO/2002/000813

A1

A fuel for use in a fuel cell system comprising a mixture of hydrocarbon compounds which is a gas at ordinary temperatures and contains saturated components in an amount of 60 mole % or more, olefin components in an amount of 40 mole % or less and butadiene components in an amount of 0.5 mole % or less, wherein saturated components having 4 or more carbon atoms contain iso-paraffins in an amount of 0.1 mole % or more. The fuel exhibits an increased energy output generated per its weight and per amount of CO¿2? formed, an improved fuel consumption, a decreased evaporative emission, good handling properties such as good storage stability and a suitable flash point, and reduced calories required for preheating. Further, the fuel allows a fuel cell system using the fuel to keep its initial performance for a long period of time, since it reduces the deterioration of a fuel cell system, that is, a reforming catalyst, a water gas shift reaction catalyst, a carbon monoxide removal catalyst, a fuel cell stack and the like.

SAITOU KENICHIROU (JP)
ANZAI IWAO (JP)
SADAKANE OSAMU (JP)
MATSUBARA MICHIRO (JP)

PCT/JP2001/005645

January 03, 2002

June 29, 2001

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NIPPON MITSUBISHI OIL CORP (JP)
SAITO KENICHIROU (JP)
ANZAI IWAO (JP)
SADAKANE OSAMU (JP)
MATSUBARA MICHIRO (JP)

C01B3/38; C01B3/48; C01B3/58; C10L3/00; H01M8/06; (IPC1-7): C10L3/00; C01B3/38; H01M8/06

JPH10237473A	1998-09-08
JPH0975721A	1997-03-25
JP2000090952A	2000-03-31
JPH1150070A	1999-02-23
JPH11263712A	1999-09-28
JPH10121069A	1998-05-12

Itoh, Tetsuya (8-1 Toranomon 2-chome Minato-ku, Tokyo, JP)

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