20分钟充电九成！深圳团队研发超宽温域电池冬测实现新突破

Core Viewpoint - The Shenzhen Advanced Institute of Technology has developed an aluminum-based wide-temperature lithium-ion battery that successfully passed extreme cold testing, demonstrating high discharge efficiency and rapid charging capabilities, which addresses significant challenges in electric vehicle performance in harsh climates [1][3]. Group 1: Battery Technology Development - The research team has created a new lithium-ion battery technology with a working temperature range from -70°C to 80°C, aimed at maintaining over 80% endurance in temperatures as low as -40°C [3]. - The battery achieved over 92% discharge efficiency in real-world conditions after being immersed in an average temperature of -25°C for over 24 hours [1][3]. - The battery can be charged to 90% in just 20 minutes, showcasing its rapid charging capability in low temperatures [1]. Group 2: Application and Impact - This technology addresses the performance decline of traditional lithium-ion batteries in extreme environments, which has previously limited the usability of electric vehicles and renewable energy sources in high-latitude regions [3]. - The successful testing marks a significant leap from energy storage applications to full vehicle applications, enhancing the competitiveness of Chinese electric vehicles in global markets, especially in high-latitude countries [4]. - The battery has been recognized as an excellent case for patent conversion by the National Intellectual Property Administration, indicating its potential for widespread application in smart grid monitoring and large-scale clean energy storage in northern China [3].