Xin Lang Cai Jing·2025-08-10 10:29Group 1 - Shanghai Xiba and Yoyuan Rare Earth have established a joint venture for solid-state battery materials with a registered capital of 200 million yuan, where Shanghai Xiba holds 82.5% of the shares [1] - SAIC has launched the new MG4 electric hatchback featuring a 70kWh semi-solid-state battery, achieving an energy density of 180Wh/kg and a range of 537 kilometers [1] - The solid-state battery sector is transitioning from laboratory to mass production, with expectations for small-scale vehicle trials by the end of 2025 and widespread trials in 2026-2027 [1] Group 2 - The solid-state battery index increased by 1.5% from August 4 to August 8, with an average increase of 2.7% across related stocks [2] - The top five gainers in the solid-state battery sector included Haicheng Pharmaceutical (+41.3%) and Xingyun Co. (+28.8%) [2] - The conductive agent segment saw the highest increase at +4.3%, while the negative performers included Defu Technology (-7.3%) and Tiantian Technology (-3.8%) [2]