Cover plate protection assembly and battery

The utility model relates to the technical field of batteries, in particular to a cover plate protection assembly and a battery, and the cover plate protection assembly comprises a polished aluminum sheet, a pole supporting piece, a pole and an anti-explosion valve; wherein the pole supporting piece is arranged on the upper side of the light aluminum sheet, the pole is arranged on the lower side of the light aluminum sheet, and one of the pole supporting piece and the pole penetrates through the light aluminum sheet to be connected with the other one of the pole supporting piece and the pole; the anti-explosion valve is arranged on the bright aluminum sheet, and the lowest point of the pole supporting piece is lower than the lowest point of the anti-explosion valve; the melting temperature of the pole support member is higher than the temperature inside the battery when thermal runaway occurs in the battery and gas is produced inside the battery and discharged through an explosion-proof valve of the battery.