Vehicle Body Member Having Charging and Discharging Function

A vehicle body member includes a first cell portion including a first negative pole portion and a first positive pole portion disposed to be in contact with a surface of the first negative pole portion, a second cell portion including a second negative pole portion and a second positive pole portion disposed to be in contact with a surface of the second negative pole portion, an insulating layer disposed between the first cell portion and the second cell portion, a positive pole current collector connecting the first positive pole portion of the first cell portion and the second positive pole portion of the second cell portion in parallel, and a negative pole current collector connecting the first negative pole portion of the first cell portion and the second negative pole portion of the second cell portion in parallel.