Chemistry: electrical current producing apparatus – product – and – Sealed cell having gas prevention or elimation means – Prevention or elimination means is one of the cell...
Reexamination Certificate
2006-08-22
2006-08-22
Bell, Bruce F. (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
Sealed cell having gas prevention or elimation means
Prevention or elimination means is one of the cell...
C429S101000, C148S669000, C148S421000, C420S900000, C420S424000, C420S428000, C420S421000
Reexamination Certificate
active
07094493
ABSTRACT:
A method for absorbing and releasing hydrogen comprises applying repeatedly hydrogen pressurization and depressurization to a hydrogen storage metal alloy of a body-centered cubic structure-type phase exerting a two-stage or inclined plateau characteristic in a hydrogen storage amount vs hydrogen pressure relation in an appropriate fashion to absorb and release hydrogen. At least at one stage during the release of hydrogen, the temperature (T2) of the above-mentioned hydrogen storage metal alloy is made higher than the temperature (T1) of the hydrogen storage metal alloy during the hydrogen absorption process (T2>T1). This enables the release and utilization of occluded hydrogen at a low-pressure plateau region or an inclined plateau lower region.
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Hydrogen Storage Metal Alloy—Physical Properties and Applications, New Edition, by Yasuaki Osumi, published by Agne Technique Center, Japan, first printing of the first edition issued on Oct. 30, 1993, p. 309.
Kuriiwa Takahiro
Okada Masuo
Bell Bruce F.
Dowa Mining Co. Ltd.
Hayes & Soloway P.C.
Okada Masuo
Tohoku Techno Arch Co., Ltd.
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