METHOD FOR OCCLUDING HYDROGEN OR DEUTERIUM IN HYDROGEN STORAGE ALLOY

Title:

METHOD FOR OCCLUDING HYDROGEN OR DEUTERIUM IN HYDROGEN STORAGE ALLOY

Document Type and Number:

Japanese Patent JPH06287786

Kind Code:

A

Abstract:

PURPOSE: To occlude hydrogen or deuterium in a hydrogen storage alloy with a high occlusion rate by using a closed electrolytic device and incorporating a specified amt. of sulfur compds. into an electroyte.

CONSTITUTION: A closed electrolytic device having a gas diffusion electrode as an anode 21 and hydrogen storage metal such as Pd as a cathode 22 is used. An inorg. or org. compd. contg. sulfur is incorporated into an electrolyte 23 by 100-700μm. Electrolysis is conducted at a hydrogen occlusion rate (H/Pd) of ≥0.97 or deuterium is occluded at a deuterium occlusion rate (D/Pd) of ≥0.90. When a sulfur compd. is added to the electrolyte 23, the desorption of the hydrogen atom occluded in the cathode 22 is suppressed, and the hydrogen occlusion rate is enhanced.

Inventors:

KUNIMATSU KEIJI
NAKADA TOSHIHIDE
TSUCHIDA YUMIKO

Application Number:

JP7396893A

Publication Date:

October 11, 1994

Filing Date:

March 31, 1993

Export Citation:

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Assignee:

TEKUNOBA KK

International Classes:

C01B3/00; C01B3/02; C01B4/00; C25B1/02; C25B11/00; (IPC1-7): C25B11/00; C01B3/00; C01B3/02; C01B4/00; C25B1/02

Attorney, Agent or Firm:

Yoshihiko Koide

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