Composition for extending life of lead acid batteries

摘要

An additive is for extending the useful life-span of the lead acid batteries. The additive is a safe and environmentally harmless material in the form of an aqueous liquid or an easy-to-use capsule. A method refurbishes lead acid batteries and extends their life-span.

主权项

1. An additive for the electrolyte of lead acid batteries comprising at least one uncharged polysaccharide and at least one charged polysaccharide, said polysaccharides having an average polymerization degree of 100 or more, and said charged polysaccharide having an average charge density of 0.1 or more, wherein said polysaccharides are selected from cellulose derivatives and algal polysaccharides; and
wherein said uncharged polysaccharide comprises cellulose, and wherein said charged polysaccharide comprises a carboxylated polysaccharide, sulfated polysaccharide, or a mixture thereof.