| 简介 |
The present invention provides an alkaline storage battery excellent in high-rate charge and discharge characteristics, and a hydrogen-absorbing alloy electrode suitable for the battery and a method for producing the same. The hydrogen-absorbing alloy is preferably produced by wet grinding in water a hydrogen-absorbing alloy comprising at least one rare earth element, nickel and at least one transition metal element, treating the resulting alloy powders in an aqueous alkali solution, and then consecutively treating the powders in an acidic aqueous solution. The hydrogen-absorbing alloy powders have a structure of a nickel-condensed layer being exposed and have many pores. |
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