In the field of energy storage battery application in the future, the most widely used lithium iron phosphate battery may be, lithium iron phosphate battery has various advantages. First of all, in terms of temperature resistance performance, lithium iron phosphate battery is the most high temperature resistant battery among all energy storage batteries, laying a certain foundation in safety and stability. Then in terms of providing large current discharge, although it is slightly worse than polymer lithium batteries, it is much better than lead-acid batteries, so now many intelligent cargo trucks or robots used in warehousing and logistics are basically lithium iron phosphate batteries.