A CATL production facility in Shanghai. CATL’s latest battery is warrantied for 1.5 million kilometres and up to 15 years of operation. Photograph: Qilai Shen/Bloomberg
These new ultra-long-life batteries have been developed for the Yutong Bus Company, and are destined for service – lots of service, it would seem – in that company’s buses and trucks. According to CATL, this new battery design shows no degradation at all over 1,000 power cycles. If you fully charged and discharged your car’s battery every day, that would give you almost three years of use with no reduction in performance.
It’s also possible that CATL might be on the verge of solving one of the biggest dilemmas in battery design – weight. In other words, an Opel Corsa-e fitted with a battery such as this would either weigh about 1,200kg for the same range , or if you were prepared to put up with the same weight, could potentially travel 700km on a full charge .
A CATL vehicle charging station in Fuzhou, China. Recently, the company showed off 900-volt charging technology which allows its lithium-iron phosphate battery design to charge at super-fast speeds. Photograph: Qilai Shen/New York Times However, CATL, and the rest of the Chinese battery-making industry, may have to watch their step, as they seem to have been put on notice by the rulinghas been quoted as saying he is “both pleased and concerned” by China’s, and especially CATL’s, market dominance. Chinese industry insiders say these softly-softly remarks are very much an iron fist in a velvet glove, warning China’s battery makers they must act cautiously and not saturate the market.
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