转自：中新网四川 CR450-AF动车组 蓄电池。 长虹控股集团 供图 研发没有一帆风顺的，2023年末，研发团队就遇到最大技术瓶颈。当时蓄电池系统已经降到1200公斤， 可整车其他部件超重，且无法再减，需要蓄电池再次减重200公斤来匹配整车的减重要求，要是做不 到，整车系统设计就得全部推倒重来，项目进度直接卡住。 中新网四川新闻10月28日电 近日，被称作"全球最快高铁"的CR450动车组正在沪渝蓉高铁进行运用考 核，期间，CR450动车组跑出了动车单列时速453公里、两列相对交会时速896公里的最新纪录，从起步 到提速至时速350公里，只需要4分40秒。这背后的"功臣"之一，正是长虹电源研制的AI锂离子蓄电池 组，这套电源系统不仅轻了57%，还创新研发了能预判故障的PHM健康管理技术。 "中国高铁要冲新速度，我们不能缺位。"长虹设计三所副所长彭秋回忆，2018年，长虹电源与中车青岛 四方股份接洽，着手筹备车载锂电池系统前期调研和技术储备工作，2024年3月，长虹电源正式立项， CR450蓄电池组的研发生产才算真正"开跑"。 CR450-AF动车 组样车。 长虹控股集团 供图 "我们的PHM健康管理系统，能 ...

Core Insights - The CR450 high-speed train, known as the "world's fastest high-speed train," achieved a record speed of 453 km/h during trials, significantly outperforming the previous model [1] - The AI lithium-ion battery system developed by Changhong Power is a key contributor to this achievement, being 57% lighter and capable of predictive fault management [1][6] - The CR450 project is part of China's "14th Five-Year Plan" for major scientific research, aiming to overcome technological bottlenecks in railway innovation [6][7] Technical Achievements - The CR450 train can accelerate to 350 km/h in just 4 minutes and 40 seconds, a 100-second improvement over the previous model [1] - The battery system has a nominal voltage of DC 103.5V and a total capacity of 460Ah, providing emergency power for 90 minutes in extreme temperatures [10] - The battery system's weight was successfully reduced to 920 kg, meeting the overall weight requirements of the train [13] Innovation and Development - The PHM health management system allows for real-time monitoring and predictive analysis of battery performance, enhancing safety and reliability [9][10] - The project has accumulated valuable operational data, which is being used to continuously improve battery health management technology [12] - The CR450 project has led to a 50% market share in its niche, indicating strong commercial potential [15] Talent Development - Changhong Power employs a dual approach of internal training and external recruitment to build a skilled workforce [16][20] - The company emphasizes hands-on project involvement for new employees to foster a sense of belonging and accelerate talent development [20][22] - The mentorship system has proven effective in nurturing talent, as demonstrated by the rapid growth of team members involved in critical projects [18][20]