Definition and application of thin film battery

Ultra-thin batteries are a type of polymer batteries. BYD’s blade batteries are also thin film battery. Generally, ultra-thin is defined as a battery with a thickness of less than 6mm. thin film batteries are generally used in cases with high thickness and space requirements, such as electronic devices such as mobile phones. thin film batteries have the advantages of space saving, light weight, and higher energy density than cylindrical batteries in the same space, but because thin film batteries usually require customized dimensions, the cost is higher in the case of small usage.

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