HYDROGEN STORAGE MATERIAL - TOYOTA CENTRAL RES & DEV

Title:

HYDROGEN STORAGE MATERIAL

Document Type and Number:

Japanese Patent JP2005021860

Kind Code:

A

Abstract:

To provide an inexpensive hydrogen storage material which does not lose the hydrogen occlusion capability on exposure to the air, and occludes hydrogen under a low hydrogen pressure.

Part of the surface of a metal or an alloy which has a hydride phase whose heat of formation is negatively larger than -45kJ/mol.H2, is covered with palladium, thereby forming the hydrogen storage material. Even the exposure to the air causes a less degradation of hydrogen occlusion capability because the material is covered with palladium. The material can occlude hydrogen under a hydrogen pressure lower than the equilibrium hydrogen pressure of palladium.

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Inventors:

KOIWAI AKIHIKO
ITO AKIO
HIOKI TATSUMI

Application Number:

JP2003270468A

Publication Date:

January 27, 2005

Filing Date:

July 02, 2003

Export Citation:

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Assignee:

TOYOTA CENTRAL RES & DEV

International Classes:

C01B3/00; B01J20/02; B01J20/04; B01J20/28; (IPC1-7): B01J20/02; B01J20/04; B01J20/28; C01B3/00

Attorney, Agent or Firm:

Hiroshi Okawa

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