Apart from frequent charge and discharge cycles, the other enemy of electric car batteries is heat. Electric batteries, as we all know, heat up quite quickly when under workload. The workload in case of electric car batteries is way too much, causing the batteries to heat up a lot. Researchers believe that overheating can deplete the service life of electric batteries by half. To solve the problems researchers at Fraunhofer have come up with a new phase-change material that promises to regulate the temperature of electric batteries in a much better way than conventional water cooling systems.

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