Industry News

As the demand for energy replenishment in new energy vehicles continues to escalate, ultra-fast charging is emerging as the core direction for the development of charging infrastructure. From passenger cars to heavy-duty trucks, and from urban energy replenishment to trunk logistics, charging power is accelerating towards the "ultra-fast charging, megawatt-scale" stage. In this process, the greatest challenge facing equipment stability and safety stems from the continuously increasing thermal load.

The industry generally believes that ultra-fast charging is not only a competition of power, but also a competition of system capabilities. Among them, thermal management is gradually evolving from a "supporting module" to a key underlying technology that affects charging efficiency, reliability, and equipment lifespan. Against this backdrop, the thermal management technology system surrounding ultra-fast charging applications is becoming the focus of industry attention.

The implementation of ultra-fast charging applications is accelerating, posing higher requirements on system stability

In recent years, charging equipment with current levels of 400A, 600A, and even higher has gradually entered the stage of large-scale deployment. Compared to traditional fast charging, ultra-fast charging not only achieves shorter energy replenishment time but also imposes more stringent requirements on equipment operation.

Under high-current, long-duration full-load operating conditions, the temperature rise rate of the charging gun cable, power module, and the entire machine significantly accelerates. If the heat cannot be effectively removed, it will not only affect charging efficiency but may also lead to accelerated device aging, system derating, and even safety risks. Therefore, how to achieve stable and controllable temperature management under high power density conditions has become a problem that must be addressed for ultra-fast charging infrastructure.

Thermal management evolves from "local heat dissipation" to "system-level capability"

Unlike early systems that relied on air cooling or localized enhanced heat dissipation, current ultra-fast charging devices place greater emphasis on system-level thermal management capabilities. This encompasses not only the cooling of individual components, but also involves the selection of cold sources, fluid circuit design, control strategies, and coordination with the overall system.

Under this trend, liquid cooling technology is widely applied in ultra-fast charging equipment due to its advantages of high heat transfer efficiency, good temperature control precision, and adaptability to high-power scenarios. The thermal management scheme built around the liquid cooling system is becoming an important foundation for supporting the stable operation of ultra-fast charging.

Xi'an Tiantai Electronics has long been focusing on the research and development of thermal management technology in the new energy field, and has formed a technology path centered on system design in the direction of ultra-fast charging applications. From gun line cooling, power module cooling to whole-machine level temperature control coordination, it has gradually built a thermal management solution system that is suitable for high-power operation scenarios.

From engineering verification to large-scale application, stability has become a key evaluation criterion

In practical applications of ultra-fast charging, equipment often needs to cope with complex working conditions such as high temperatures, dust, and frequent changes in humidity. This places higher demands on the reliability, durability, and consistency of the thermal management system.

Industry practices have shown that only thermal management solutions that have undergone thorough engineering verification can maintain stable performance during long-term operation. In response to this demand, more and more companies are beginning to emphasize the construction of a complete system from research and development, testing, to manufacturing. By combining laboratory verification with mass manufacturing capabilities, they aim to enhance the reliability of products in real-world scenarios. In this process, thermal management is no longer just a single product capability, but rather a concentrated reflection of the company's system engineering capabilities.

Currently, the construction of ultra-fast charging is transitioning from the "demonstration phase" to "scale implementation". In the future, with the continuous expansion of heavy-duty truck charging, expressway fast charging networks, and multi-scenario applications, the requirements for stability, continuous operation capability, and operation and maintenance friendliness of ultra-fast charging equipment will further increase. Under this trend, technical solutions with system-level thermal management capabilities that can support the long-term stable operation of high-power equipment will become an important fulcrum in the industry. The technological competition surrounding ultra-fast charging will also increasingly return to the aspects of engineering capability, verification capability, and long-term reliability. From the perspective of industry development, ultra-fast charging is not only an improvement in speed, but also a comprehensive test of the underlying technical system. Thermal management capabilities are becoming a key factor in determining whether ultra-fast charging can truly "run fast and run steadily".