
i) a multilayer structure body; that is made of palladium or a palladium alloy, or a hydrogen absorbing metal other than palladium,
or a hydrogen absorbing alloy other than a palladium alloy,
ii) an absorption part and a desorption part that are disposed so as to surround said multilayer structure body on the sides and form a closed space that can be sealed by said multilayer structure body,
iii) a high pressurization device that produces a relatively high pressure of deuterium at said absorption part on the side of the surface of said multilayer structure body,
iv) and a low pressurization device that produces a relatively low pressure of deuterium at said desorption part on the other side of the surface of said multilayer structure body,
Characterized in that said multilayer structure body includes:
i) a base material including a
hydrogen absorbing metal or a hydrogen absorbing alloy;
ii) a mixed layer formed on said base material and comprising a
hydrogen absorbing metal or a hydrogen absorbing alloy,
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