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Title:
HYDROGEN STORAGE MATERIAL AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2009018292
Kind Code:
A
Abstract:

To provide a hydrogen storage material where storage/discharge speeds of hydrogen are high, speed drop along with cycle repetition, and storage/discharge amounts of hydrogen in the entire material are large and a method for manufacturing the same.

Provided are a hydrogen storage material that comprises a mixture of metallic amide A(NH2)n and metal hydride BHm and a hydrogen-storage alloy, wherein for the hydrogen-storage, the ratio (P2A/P1A) of the plateau pressure (P2A) of the hydrogen-storage alloy at the same temperature as the hydrogen-storage temperature to the plateau pressure (P1A) at the hydrogen-storage temperature of the mixture is 0.01 or more and 100 or less, and the ratio (P2D/P1D) of the plateau pressure (P2D) of the hydrogen-storage alloy at the same temperature as the hydrogen-discharge temperature to the plateau pressure (P1D) at the hydrogen-discharge temperature of the mixture is 0.01 or more and 100 or less and where n, m are each valence of metals A, B; and a method for manufacturing the hydrogen storage material 1.


Inventors:
AOKI MASAKAZU
TOWATA SHINICHI
Application Number:
JP2007185063A
Publication Date:
January 29, 2009
Filing Date:
July 13, 2007
Export Citation:
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Assignee:
TOYOTA CENTRAL RES & DEV
International Classes:
B01J20/04; C01B3/00; C01B6/04; C01B21/092; C22C1/00; C22C14/00; C22C19/00; C22C22/00; C22C27/06
Attorney, Agent or Firm:
Fumio Hatakeyama
Kaoru Kobayashi