초록 ▼

This invention relates to a hydrogen absorbing electrode, in which a rare earth element having a basicity weaker than that of La is mixed to a hydrogen absorbing alloy or contained in it for serving as a component element. The invention relates to a nickel electrode, in which a rare earth element is

This invention relates to a hydrogen absorbing electrode, in which a rare earth element having a basicity weaker than that of La is mixed to a hydrogen absorbing alloy or contained in it for serving as a component element. The invention relates to a nickel electrode, in which a rare earth element is mixed to a nickel hydroxide or contained in it as a solid solution. The invention further relates to an alkaline storage battery, in which a rare earth element is coated on a surface of a nickel electrode or a surface of a separator.

대표청구항 ▼

[ What is claimed is:] [1.] A hydrogen absorbing electrode, comprising:a hydrogen absorbing alloy capable of absorbing and releasing hydrogen, said alloy comprising a rare earth element having a basicity weaker than that of lanthanum,wherein the alloy is previously subjected to a dipping treatment b

[ What is claimed is:] [1.] A hydrogen absorbing electrode, comprising:a hydrogen absorbing alloy capable of absorbing and releasing hydrogen, said alloy comprising a rare earth element having a basicity weaker than that of lanthanum,wherein the alloy is previously subjected to a dipping treatment by using an alkali aqueous solution or a weak acidic aqueous solution.