Electrochemical hydrogen storage alloys and batteries...

Details Electrochemical hydrogen storage alloys and batteries... Electrochemical hydrogen storage alloys and batteries...

H - Electricity

01

M

H01M 4/38 (2006.01) C22C 45/00 (2006.01)

Patent

CA 2142118

A disordered electrochemical hydrogen storage alloy and electrochemical cells having a negative electrode comprising this alloy, where the alloy has the composition (Base Alloy)aCobMncAldFeeLafMog where Base Alloy represents a disordered multi-component alloy having at least one structure selected from the group consisting of: amorphous; microcrystalline; polycrystalline, lacking long-range compositional order with three or more phases of said polycrystalline structure; and any combination of these structures; b is 0 to 7.5 atomic percent; c is 0.1 to 8.5 atomic percent d is 0 to 2.5 atomic percent; e is 0.1 to 6.5 atomic percent; f is 0 to 4.5 atomic percent; g is 0 to 6.5 atomic percent; b + c + d + e + f + g > 0; and a + b + c + d + e + f + g = 100 atomic percent.

Un alliage électrochimique désordonné capable de stocker l'hydrogène et une cellule électrochimique ayant une électrode négative faite de cet alliage, de composition suivante : (Alliage de base)aCobMncAldFeeLafMog où l'alliage de base représente un alliage multi-constituants désordonné ayant au moins une structure choisie parmi le groupe constitué des structures suivantes : amorphe; microcristalline; polycristalline, absence d'ordre de composition à grande portée avec trois phases ou plus de ladite structure polycristalline; et toute combinaison de ces structures; b varie de 0 à 7,5 %, en pourcentage atomique; c varie de 0,1 à 8,5 %, en pourcentage atomique, d varie de 0 à 2,5 %, en pourcentage atomique; e varie de 0,1 à 6,5 %, en pourcentage atomique; f varie de 0 à 4,5 %, en pourcentage atomique; g varie de 0 à 6,5 %, en pourcentage atomique; b + c + d + e + f + g > 0; et a + b + c + d + e + f + g = 100 %, en pourcentage atomique.

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