Abstract: A safety device for a sealed cell (1) comprising alternating positive and negative electrodes respectively connected to positive and negative current output terminals (6, 7) placed in a container (2) having an end (3) that is closed by a wall. The wall of the closed end presents thinning (13) adapted to be torn by excess pressure inside the container, and the thinning is adapted, on being torn, to interrupt electrical conduction between the electrodes of one polarity and the corresponding current output terminal. The device of the invention is simple in design, is capable of operating at low pressures, and over a wide range of pressures, and acts as a circuit interrupter without decreasing the current density that flows in the electrical circuit.

Abstract: A safety device for a sealed cell (1) comprising alternating positive and negative electrodes respectively connected to positive and negative current output terminals (6, 7) placed in a container (2) having an end (3) that is closed by a wall. The wall of the closed end presents thinning (13) adapted to be torn by excess pressure inside the container, and the thinning is adapted, on being torn, to interrupt electrical conduction between the electrodes of one polarity and the corresponding current output terminal. The device of the invention is simple in design, is capable of operating at low pressures, and over a wide range of pressures, and acts as a circuit interrupter without decreasing the current density that flows in the electrical circuit.

Abstract: A cell comprises a container and two current output terminals made of copper situated on a single wall of the container. Each of the current output terminals presents a shoulder. A first terminal is secured to the wall by laser welding, and a second terminal is secured through the wall by crimping with axial displacement of material. The invention facilitates operations of installing and maintaining cells connected together within a module by copper bars. It avoids damaging connections by repeated screwing and unscrewing of nuts screwed onto the terminals when using a screw-and-nut connection system for connecting to the bars.

Abstract: A safety device for a sealed cell (1) comprising alternating positive and negative electrodes respectively connected to positive and negative current output terminals (6, 7) placed in a container (2) having an end (3) that is closed by a wall. The wall of the closed end presents thinning (13) adapted to be torn by excess pressure inside the container, and the thinning is adapted, on being torn, to interrupt electrical conduction between the electrodes of one polarity and the corresponding current output terminal. The device of the invention is simple in design, is capable of operating at low pressures, and over a wide range of pressures, and acts as a circuit interrupter without decreasing the current density that flows in the electrical circuit.

Abstract: The present invention consists of a device for retaining a one-piece battery with a prismatic casing having two longitudinal walls and two transverse walls. The device contains two plates applied to respective transverse walls and at least one cinching mechanism for the plates consisting of at least one flat strip closed on itself surrounding the longitudinal walls and the transverse walls are provided with the plates. The device is characterized in that at least one of the plates contains at least one recessed housing and the strip closely follows the shape of the housing.

Abstract: A storage cell battery unit equipped with a cooling device that uses a circulating fluid, said battery including a housing made of plastic and constituted by a case (6) and a cover (7) heat-sealed thereon, said storage cell battery being characterized by the fact that said cooling device includes two panels (12, 13) made of plastic and heat-sealed in fluid-tight manner to respective ones of two opposite walls (3, 2) of said housing, each of the panels cooperating with the corresponding wall to delimit a circulation compartment having an inlet orifice (14) and an outlet orifice (14) for said fluid at the top of the compartment.

Abstract: A storage cell battery unit equipped with a cooling device that uses a circulating fluid, said battery including a housing made of plastic and constituted by a case (6) and a cover (7) heat-sealed thereon, said storage cell battery being characterized by the fact that said cooling device includes two panels (12, 13) made of plastic and heat-sealed in fluid-tight manner to respective ones of two opposite walls (3, 2) of said housing, each of the panels cooperating with the corresponding wall to delimit a circulation compartment having an inlet orifice (14) and an outlet orifice (14) for said fluid at the top of the compartment.