Group 1 - BMW has officially launched road testing for its first electric vehicle equipped with all-solid-state batteries (ASSB), specifically the i7 model, and has made adjustments to its fifth-generation platform to integrate new prismatic cell designs [2] - The solid-state battery technology is being pursued by multiple automakers, with BMW's move following Mercedes-Benz's announcement of a prototype vehicle using lithium metal solid-state batteries, which can reduce weight by 40% while maintaining high energy density [2] - Despite advancements, BMW executives acknowledge that the current high costs of solid-state batteries pose challenges for large-scale commercialization in the short term [2] Group 2 - Chery has unveiled its high-end electric crossover, the Exlantix ET, which prominently features "all-solid-state battery" branding, indicating significant industry interest [3] - Chery announced its solid-state battery strategy in October 2024, aiming to initiate preliminary mass production by 2027 and establish a global production line with a capacity of 1 GWh [3] - The solid-state battery pack developed by Chery is expected to achieve an energy density of 600 Wh/kg, providing electric vehicles with a range of up to 1500 kilometers, significantly outperforming current mainstream lithium batteries [3] - The specific specifications of the solid-state battery used in the Exlantix ET have not been disclosed, but a recent battery from Guoxuan High-Tech has completed vehicle testing with an energy density of 350 Wh/kg and a capacity of 70 Ah, supporting a range of 1000 kilometers [3]
宝马、奇瑞启动全固态电池装车测试