Tesla is planning to install a revolutionary battery in its cars as of next year. The battery has been developed by Canadian engineers, who have signed a partnership with the carmaker. Researchers have extended the life of the battery by reducing its loss of capacity over time. When installed in a Tesla, the battery can withstand up to 6,000 charge cycles without losing performance to any significant extent.
Working in partnership with Tesla, Canadian researchers have announced the development of a lithium-ion battery that not only lasts an incredibly long time but also loses relatively little of its capacity. The researchers published a study in the September issue of the Journal of The Electrochemical Society, stating that their battery can power the engine of an electric car for a million miles, around 1.6 million kilometres.
The study’s authors also state that the battery will lose no more than ten per cent of its capacity over its lifetime. This is a vital development, given the impact that loss of battery capacity can have on the range of electric cars, even when drivers are able to recharge them on a regular basis.
Tesla has signed an exclusivity agreement with the researchers, and the revolutionary battery will be installed in Tesla cars as of next year. Tesla CEO Elon Musk has previously spoken of the importance of battery lifespan, as reported by Futura Sciences. The company’s billionaire co-founder said that the battery currently fitted in the Model 3 can continue functioning after 1,500 charge cycles, equating to a total of around 800,000km.
This latest development goes even further. In tests conducted at a temperature of 40°C, the Canadian researchers demonstrated that their battery accumulator can withstand nearly 4,000 charge cycles without any significant loss of efficiency. That figure could increase to 6,000 if the battery is used in conjunction with the active cooling system fitted in Tesla cars.
The researchers were able to achieve such performance by relying on larger NMC (nickel-manganese-cobalt) crystals than those conventionally used. These larger crystals are less fragile and less prone to cracking. The engineers are not resting on their laurels, however, and have already succeeded in increasing the efficiency and longevity of the battery by including an electrolyte additive called ODTO.
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Jun 28, 2019
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