【科技自立·产业自强】维科技术：高安全聚阴离子钠电池上取得重大技术创新

Core Viewpoint - Weike Technology (600152) is a pioneer in the sodium-ion battery industry in China, having established the country's first GW-level production line with an annual capacity of 2GWh [1] Group 1: Technological Innovations - Significant technological advancements have been made in high-safety polycation sodium batteries, including high-temperature resistance technology that enhances cycle life and capacity retention at 60°C [1] - Low-temperature charging technology enables stable charge and discharge at -20°C [1] - High-rate wide-temperature technology allows the battery to operate in extreme temperatures from -40°C to 80°C and supports 10C fast charging and discharging [1] - Ultra-safe technology has successfully developed a needle-puncture smoke-free cell [1] - The polycation sodium battery can achieve a cycle life exceeding 8000 times, with a capacity retention rate of 90% even in severe cold at -40°C [1] Group 2: Market Applications - The company's products are widely used in several landmark demonstration projects, including a 100MW/200MWh energy storage station by Guangfa, a 2.5MW/10MWh energy storage station in Hohhot, and a 30MW auxiliary frequency regulation storage by China Resources Power [1] - Applications extend to data center backup power, communication base station backup power, and commercial vehicle starting power, demonstrating the reliability of technology and large-scale delivery capability [1]