System for testing low-temperature performance of different lignin of graphene battery

The invention discloses a different-lignin low-temperature performance testing system for a graphene battery, and relates to the field of graphene battery performance testing systems.A low-temperature performance testing module is used for conducting a low-temperature performance experiment on the graphene battery, and experiment result data of the graphene battery in the low-temperature performance experiment are obtained; experimental result data are sent to the information processing module; the information processing module calculates a performance coefficient score XN of each group of graphene batteries, compares the performance coefficient score XN with a preset performance threshold value, and performs cost scoring on the group of experiment result data if the performance coefficient score XN is greater than the preset performance threshold value YZ; final scores are obtained through a formula ZJ = XN * e1 + ZJ * e2, the final scores of all the groups are compared, and the experiment group with the max