▎ 摘　　要

NOVELTY - A graphene dispersion liquid comprises 1-10 pts. wt. graphene oxide, 0.1-1 pt. wt. thickener, 1-2 pts. wt. sulfonated aromatic polymer, 0.5-10 pts. wt. of reducing agent and 80-95 pts. wt. deionized water. USE - Graphene dispersion liquid is used for lead acid battery (claimed). ADVANTAGE - The graphene dispersion liquid has stable chemical structure. The graphene dispersion liquid can be prepared by a simple and economical method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the graphene dispersion liquid.