Provided is a current collector disk, the current collector disk includes a welding disk and multiple support feet connected to the welding disk, the welding disk is provided with multiple through holes, the multiple through holes vertically penetrate through an upper end surface and a lower end surface of the welding disk, and a direction of end surfaces, facing away the welding disk, of the multiple support feet is the same as a direction of the lower end surface of the welding disk. Further provided is a battery, and the battery is provided with the current collector disk described above.