China has recently announced the implementation of a ‘digital ID’ system for traction batteries used in new energy vehicles (NEVs). This initiative aims to manage every battery throughout its entire lifecycle—from production and usage to recycling and reuse—through a unique digital identifier, enabling full traceability and regulatory oversight. The digital ID will contain critical information such as battery model, manufacturer, chemical composition, capacity, charge-discharge cycles, and state of health, all registered and shared via a national unified platform. This system enhances battery safety by preventing substandard or illicit batteries from entering the market. It also supports data-driven decisions for second-life applications and material recovery of end-of-life batteries, fostering a circular economy. Additionally, consumers can access transparent battery history when purchasing used EVs or replacing batteries, better protecting their rights. The policy is expected to be rolled out nationwide over the next few years, marking a significant step toward high-quality, intelligent, and sustainable development in China’s NEV industry.
近日，中国宣布将为新能源汽车动力电池实施‘数字身份证’制度。这一举措旨在通过唯一编码对每一块动力电池进行全生命周期管理，从生产、使用、回收到再利用，实现可追溯、可监管。数字身份证将包含电池的型号、生产厂商、化学成分、容量、充放电次数、健康状态等关键信息，并通过国家统一平台进行登记和共享。此举有助于提升电池安全水平，防止劣质或非法电池流入市场；同时，也为退役电池的梯次利用和资源回收提供数据支撑，推动循环经济发展。此外，消费者在购买二手车或更换电池时，也能通过查询数字身份证更清晰地了解电池的真实状况，保障自身权益。该制度预计将在未来几年内全面推行，标志着我国新能源汽车产业向高质量、智能化、绿色化方向迈出关键一步。
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