With the Liquid-Cooled (LC) technology in the ultra-fast charging cables by LS Cable & System, more current can be sent through the cable even with a smaller conductor size than Air-Cooled (AC) cables.

July 18, 2022

LS Cable & System (LS C&S) has announced its plans of initiating the domestic development and production as well as commercialisation of a liquid-cooled (LC) ultra-fast charging cable.

The ultra-fast chargers with ratings above 400kW, which will be supplied in the future, will be utilising the LC method instead of the AC (air-cooled) method which is prevalent in the traditional fast chargers. Moreover, the ultra-fast chargers will also bring more than double the charging speed of fast chargers.

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Since charging cables generate heat due to fast charging at high voltage, the LC method brings down the temperature in conductors by circulating coolant within the cable. In fact, this allows even more current to be sent through the cable, even with a smaller conductor size than AC cables. Besides, the cable manufacturer has reduced the risk of malfunction caused by coolant leaks by improving the existing cooling method found in overseas products.

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Regarding the development, an LS C&S official stated, “We have finished registering the patent for the cooling method in the US and Japan, and the patent is currently pending in Korea. We are also working on commercialising the product with major domestic and overseas charger manufacturers.”