| abstract |
An object of the present invention is to suppress the expansion of a film-like packaging material, in which the gas-adsorbed carbon material added to the negative electrode mixture layer 9 of the negative electrode 4 or the positive electrode mixture layer 13 of the positive electrode 5 is used to generate gas generated in the battery. Since it adsorbs and suppresses the storage of gas in the battery, the expansion of the film-like packaging material 3 caused by the storage of the gas generated in the battery is suppressed.n n n n Film type exterior material, negative electrode, negative electrode mixture layer, positive electrode, positive electrode mixture layer, gas adsorption carbon material, battery |