CONDUCTIVE CATALYST PARTICLE AND ITS MANUFACTURING METHOD, GAS−DIFFUSING CATALYST ELECTRODE, AND ELECTROCHEMICAL DEVICE

WIPO Patent Application WO/2002/098561

A1

A conductive catalyst particle composed of a conductive powder particle to which adhered is a catalyst material made of an alloy of a noble metal material and an additive material not thermally forming a solid solution in the noble metal material or an alloy of MI (at least one kind selected from noble metal elements) and MII (at least one kind selected from Fe, Co, Ni, Cr, Al, Cu, Hf, Zr, Ti, V, Nb, Ta, W, Ga, Sn, Ge, Si, Re, Os, Pb, Bi, Sb, Mo, Mn, O, N, C, Zn, In, and rare earth elements). The conductive catalyst particle is produced by simultaneously attaching the noble metal material and the additive material to the conductive power particle or the MI and the MII by physical vapor deposition. The conductive catalyst particle does not undergo sintering and is applied to a gas−diffusing catalytic electrode and an electric device using the electrode.

KATORI KENJI (JP)
KANEMITSU TOSHIAKI (JP)
SHIRAI KATSUYA (JP)

PCT/JP2002/005035

December 12, 2002

May 24, 2002

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SONY CORP (JP)
KATORI KENJI (JP)
KANEMITSU TOSHIAKI (JP)
SHIRAI KATSUYA (JP)

B01J23/40; B01J23/42; B01J23/56; B01J23/62; B01J23/648; B01J23/652; B01J23/89; B01J32/00; B01J35/00; B01J37/02; B01J37/34; B22F1/17; B22F1/18; C22C5/00; C23C14/22; H01M4/86; H01M4/88; H01M4/90; H01M8/10; (IPC1-7): B01J35/02; B01J37/02; H01M4/88; H01M4/92; C22C5/00

JPS5482394A	1979-06-30
JPS618851A	1986-01-16
JPH01213961A	1989-08-28
JPH01120770A	1989-05-12
JPS5835872A	1983-03-02
JPH09161811A	1997-06-20
JPH07246336A	1995-09-26
JPS5220990A	1977-02-17
JP2002110175A	2002-04-12

Nakamura, Tomoyuki c/o Miyoshi International Patent Office (9th Floor Toranomon Daiichi Building, 2-3, Toranomon 1-chom, Minato-ku Tokyo, JP)

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