(under the class definition) Compositions which are chemically reactive and have utility in electro-chemical cell, e.g., battery, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
425.3, for process of making a catalytic electrode.
SEE OR SEARCH CLASS
429, Chemistry: Electrical Current Producing Apparatus, Product and Process, appropriate subclasses for materials of this subclass combined with battery structure, e.g., electrolyte, electrode, etc.