Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1993-03-11
1995-02-14
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429212, 429220, 429223, 429 59, 420900, H01M 1026, H01M 436
Patent
active
053894685
ABSTRACT:
A hydrogen storage alloy particles comprising base particles consisting of hydrogen storage alloy particles and fine particles consisting of at least one of metals, alloys, hydrophobic resins, catalyst materials, metal oxides having a particle size smaller than that of the base particles where the fine particles are very firmly bonded to the base particles are employed as negative electrodes for alkaline storage batteries. The bonding of the fine particles to the base particles is performed by a surface treatment so-called mechanofusion process (one of mechanochemical reaction process) where the base particles and the fine particles are subjected therebetween predominantly to a mechanical energy, practically those derived from the compression and attrition forces simultaneously to emboss the surfaces of the base particles and to allow the fine particles to be extended and bonded firmly under pressure onto the surfaces of the base particles, thereby coating at least a part of the surfaces of the base particles with the fine particles.
REFERENCES:
patent: 4859413 (1989-08-01), Harris et al.
patent: 4994334 (1991-02-01), Ikoma et al.
"Mechanofusion," Hosokawamikuron Co. Ltd., p. 33.--partial English translation enclosed--Jun. 1988.
H. Kaga, et al, "Formation of Al.sub.2 O.sub.3 -Cu Composite Particles and Influence of Oxygen for the Mechanofusion," Journal of the Japan Society of Powder and Powder Metallurgy, vol. 39, No. 7, pp. 553-558, Jul. 1992.--partial English translation enclosed--.
Fujiwara Shozo
Izumi Yoichi
Matsumoto Isao
Moriwaki Yoshio
Maples John S.
Matsushita Electric - Industrial Co., Ltd.
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