| 摘要 |
A power battery, the power battery includes an inner case (4), an outer case (1), a battery body (2) and electrodes (3), the battery body (2) includes polar plates, the external surface of the outer case is provided with an external heat dissipating device and the internal surface of the inner case is provided with an internal heat dissipating device, a cylindrical holding cavity (5) with an annular cross section is formed between the outer case (1) and the inner case (4) and the polar plates are coiled in the holding cavity (5), the electrodes (3) are arranged in an inner cavity of the inner case (4) and the inner case also has at least an air flow channel penetrating the inner cavity. |
