欣旺达(300207.SZ)消费级和车规级的固态电池均有研发，目前仍处于研发阶段

Group 1 - The company is currently developing both consumer-grade and automotive-grade solid-state batteries, which are still in the research and development phase [1] - The company's energy storage cell production capacity utilization rate is relatively high, indicating strong demand [1] - The company has both domestic and overseas customers for its energy storage products, with a larger proportion of domestic clients [1]