【环球网科技报道 记者 郑湘琪】"十四五"以来，随着新能源汽车产业的快速发展，我国动力电池产业在市场规模、技术创新以及配套体系等多方面取得积 极成效，成为推动汽车产业绿色低碳转型和可持续发展的重要力量。 工信部公布的数据显示，动力电池产量从2020年的83.4GWh增长至2024年的超过1000GWh，四年间增长十倍多。为助推产业的提质升级，近日，2025新能 源电池产业发展大会汇聚产业核心力量，展开了一场关于产业未来的深度对话。 这些突破性数字的背后，是材料、设计和工艺的系统性创新。据徐中领介绍，欣旺达坚信固态电池是突破锂电能量密度和安全性的终极奥义，并结合自身实 际因地制宜地制定了阶梯式的发展战略方针。自2015年起前瞻布局固态电池技术以来，欣旺达目前已构建清晰的迭代路径：公司第一代半固态电池已完成开 发，能量密度超300Wh/kg；第二代半固态电池的电芯样品已开始进行中试试验；第三代全固态电池已完成400Wh/kg产品方案和工艺验证。 事实上，当前固态电池被业内视为下一代锂电池技术方向，也是近年政策文件中明确的能源装备发展重点之一。近日，由工业和信息化部指导、中国汽车工 程学会组织修订编制的《节能与新能 ...

Core Viewpoint - The article highlights the launch of a new generation polymer all-solid-state battery "Xin·Bixiao" by XWANDA, which boasts an energy density of 400Wh/kg, representing an increase of over 30% compared to current mainstream liquid lithium batteries [2][3]. Performance Enhancements - The "Xin·Bixiao" battery achieves significant improvements in several key performance metrics, including: - Energy density of 400Wh/kg and a cycle life exceeding 1200 cycles - Operating temperature range from -30℃ to 60℃, maintaining over 80% capacity at -20℃ [3] - Enhanced safety demonstrated through puncture tests and 200℃ thermal chamber tests [3] Technological Breakthroughs - XWANDA has made four critical technological advancements that contribute to the performance leap: 1. The positive electrode utilizes ultra-dense solid-state electrodes with a porosity reduced to 5%, enhancing ionic conductivity by three orders of magnitude 2. The negative electrode employs nano high-entropy materials with a specific capacity 7.2 times that of graphite anodes 3. Development of ultra-thin polymer composite electrolyte membranes that balance ionic conductivity and mechanical strength 4. Application of ultra-elastic interface coating technology to achieve high ionic conductivity and self-healing capabilities [3][4]. Industry Positioning - The company plans to establish a 0.2GWh polymer solid-state cell pilot line by the end of 2025, laying the groundwork for large-scale production [3]. - XWANDA has been engaged in solid-state battery research since 2015, adopting a multi-threaded, stepwise technological approach that includes semi-solid, soft solid, polymer solid, and sulfide systems, resulting in a comprehensive technology reserve [4]. Future Developments - The laboratory has successfully developed a lithium metal battery sample with an energy density of 520Wh/kg, showcasing ongoing innovation capabilities [3].