| 摘要 |
PURPOSE: To prevent rupture and present a safe continuous service for a long period of time by furnishing a reversible valve and a rupture valve, discharging the gas by the reversible valve in the case of low internal pressure, and thereby performing a rupture-preventive regulation. CONSTITUTION: A non-aqueous electrolyte battery 1 has a case 3 which accommodates a positive electrode plate, negative electrode plate, separator, and electrolytic solution, wherein the case 3 is equipped with a reversible valve 4 and rupture valve 5. When the internal pressure is below 3kg/cm<2> , the reversible valve 4 is actuated by a valve element 42 made of an elastic material to release the gas filling the inside so that restitution to normal pressure is made. When 3kg/cm<2> is exceeded, the rupture valve is actuated to prevent the case body from rupturing. |
