La sécurité des batteries entre dans la conception du PACK alors que la Chine renforce le contrôle des risques liés aux batteries EV à chaîne complète

Sur 2026-08-31, ChinaEV100 published a summary of a high-level seminar on new energy vehicle battery safety risks and protection mechanisms. The seminar brought together industry groups, research institutions, vehicle manufacturers, battery companies, service providers, and insurance-sector participants. The core message was clear: as EV adoption expands, battery safety risks are becoming more multi-scenario, cross-stage, and dynamic.

The discussion came against the background of China’s updated vehicle and traction-battery safety requirements, including GB18384-2025 and GB38031-2025. According to the ChinaEV100 summary, the new stage of battery safety governance places stronger emphasis on thermal diffusion, bottom protection, high-voltage systems, manufacturing quality, data sharing, after-market service, and full-lifecycle traceability.

Réponse directe
For battery module and custom PACK buyers, the practical implication is that safety can no longer be reviewed only at the finished-product level. A project should evaluate cell selection, structural design, BMS logic, coordination thermique, isolation, sealing, manufacturing consistency, batch traceability, and application-specific operating conditions before confirming a module or PACK design.

This shift is important because battery risks do not appear in only one place. A technically suitable cell can still become unsuitable if the pack structure creates uneven compression, poor heat dissipation, weak electrical isolation, or difficult service access. A BMS may read cell voltage and temperature correctly, but still require project-specific logic for charge limits, low-temperature behavior, over-current protection, protocole de communication, and fault response. A module may pass basic checks in one application but face different risk exposure in logistics vehicles, mobility equipment, sauvegarde des télécommunications, or small commercial storage.

The ChinaEV100 discussion also emphasized manufacturing consistency. This point is directly relevant to PACK production. Even when cells, jeux de barres, insulation materials, and housings are specified correctly, process variation can affect long-term reliability. Welding quality, torque control, cell grouping, insulation placement, sealing, fixture precision, and final test records are part of the safety system. Buyers should therefore ask how a supplier controls the production process, not only what parts are listed in the quotation.

For replacement, rénovation, or small-batch custom projects, the safety review should be even more careful. Many buyers focus first on whether the voltage, capacité, and dimensions match the target application. Those checks are necessary, but they are not enough. Engineers also need to confirm mounting orientation, vibration exposure, enclosure space, cooling method, courant de pointe, communication interface, charger behavior, and the expected duty cycle. A PACK designed for occasional backup use is not automatically suitable for high-frequency mobility or industrial equipment.

This development also reinforces the value of traceability. Battery safety management increasingly depends on knowing which cells were used, how they were grouped, what tests were performed, and how the battery behaves in actual operation. Pour les acheteurs internationaux, traceability is also tied to warranty evaluation, shipping documentation, technical troubleshooting, and future service decisions.

Pour LYTH, the most credible response is not to claim broad system-level safety authority. The relevant layer is module and PACK engineering support: helping buyers confirm application requirements, cell-model suitability, structure des modules, BMS matching, thermal and electrical protection, manufacturing feasibility, and delivery documentation.

Voir LYTH
Battery safety is becoming less about a single pass/fail certificate and more about engineering discipline across the module and PACK lifecycle. LYTH should treat safety as an application-matching process: the right cell model, structure, BMS strategy, and production controls must be matched to the actual use case.

Ce que LYTH peut faire
LYTH can support buyers with battery module selection, custom PACK structure review, Adaptation GTB, thermal and safety coordination, and manufacturing feasibility checks for applications such as EV modules, telecom backup batteries, mobility equipment, and light commercial storage subsystems.

Sources
ChinaEV100 battery safety seminar summary
2026 World Power Battery Conference report