Patent ID: 6610445
Filing Date: 2003-08-26
Classification: C01B,H01M,Y02E,Y10S

Abstract:
A hydrogen storage alloy electrode comprising a hydrogen storage alloy and a conductive metal and no organic binder, wherein said hydrogen storage alloy electrode comprises at least two layers including at least one layer each of:an active material holding layer essentially composed of a hydrogen storage alloy powder and a conductive metal powder; and a conductive metal layer essentially composed of said conductive metal powder or a conductive metal porous material, said active material holding layer and said conductive metal layer being integrated to form said electrode having a conductive network communicating throughout said electrode, wherein the electrode has major surfaces parallel to said layers and a thickness transverse to said layers, and wherein a center of the electrode in a thickness direction is composed of said conductive metal layer and the major surfaces of the electrode are composed of said active material layers.