头部电池厂相继更新固态电池进展，新能源车ETF（159806）盘中涨超1.2%

Group 1 - The core viewpoint of the article highlights advancements in the battery industry, particularly the introduction of solid-state batteries by leading manufacturers, such as the new polymer all-solid-state battery "Xin·Bixiao" by XINWANDA, which achieves an energy density of 400Wh/kg [1] - New applications for power batteries are emerging, including electric ships and unmanned mining vehicles, with CATL's pure electric transport ship being selected as a national benchmark, capable of traveling 230km on a full charge, significantly reducing energy costs compared to traditional fuel ships [1] - The New Energy Vehicle ETF (159806) tracks the CS New Energy Vehicle Index (399976), which selects listed companies involved in the lithium battery, charging pile, and new energy vehicle sectors from the Shanghai and Shenzhen markets, reflecting the overall performance of the industry [1] Group 2 - The index constituents primarily focus on batteries, passenger vehicles, and energy metals, showcasing the technological advancements and growth potential of the new energy vehicle industry [1]