The China Automotive Technology Research Center has openly stated that batteries are divided into three major categories: solid-state batteries, solid-liquid hybrid batteries, and liquid batteries.

On November 13, 2025, the thematic conference of the World Power Battery Conference "Global Power Battery Forward-looking Technology and Innovation Forum" was held in Yibin, Sichuan Province. Wang Fang, Chief Scientist of China Automotive Technology Research Center, stated in his speech at the forum that it is necessary to clarify the basic content of solid-state battery-related terminology, classification, and coding. "We are currently specifying the corresponding national standards. In terms of terminology and classification, batteries are divided into three categories: solid-state batteries, solid-liquid hybrid batteries, and liquid batteries."