Abstract:
A battery connection sheet (6) comprises: a first part, comprising a first metal sheet (1), a first buffer portion (3) and a first connection portion (7); and a second part, comprising a second metal sheet (2) connected with the first connection portion via electromagnetic pulse welding.
Abstract:
A battery comprises: a shell (1); a core (4) received in the shell (1) and having first and second electrode tabs (41, 42), a first current collector connected to the first electrode tab (41), and a second current collector connected to the second electrode tab (42); and a protection component (2) including two insulating layers (22) and a conducting layer (21) disposed between two insulating layers (22), in which the conducting layer (21) defines a first end electrically connected to the first electrode tab (41) and a second end configured as a free end, and an outmost current collector of the core (4) is configured by the second current collector.
Abstract:
A power battery assembly is provided. The power battery assembly comprises: a battery circuit having at least one battery module; a relay, wherein a normally open contact of the relay is connected with the battery circuit in series; a controller for controlling the normally open contact of the relay, wherein an input end and an output end of the relay are connected with the controller respectively; and a fuse protector connected with the battery circuit in series.
Abstract:
A power battery assembly (1) comprises a battery circuit and a circuit protecting unit (100). The circuit protecting unit (100) is connected in series with the battery unit. The circuit protecting unit (100) comprises a relay (2) and a current sensing unit (3) connected in series with the battery circuit, a switching unit (5) connected with the relay (2) for controlling the switching of the relay (2), and a controller (4) connected with the switching unit (5) and the current sensing unit (3)to control the switching on or switching off the switching unit (5) based on comparison of the current value detected by the current sensing unit (3) and sent to the controller (4) with a first predetermined current value. An electric vehicle is also provided.
Abstract:
An explosion-proof device for a battery which comprises: a vent formed in the battery shell(5) of the battery;a valve vore movably disposed in the vent(51) to seal and open the vent(51),a support mounted on the outer wall of the battery shell(5);and an elastic element(2) connected to the support and the valve core(1) at two ends thereof respectively so as to normally push the valve core(1) to seal the vent(51).A power battery and a power battery module comprising the explosion-proof device are also provided.
Abstract:
A power battery module (100) includes a battery pack (9), an upper case (6), a lower case (7) matched with the upper case (6), and at least one baffle plate (8) longitudinally disposed at a lateral side of the battery pack (9) between the upper case (6) and the lower case (7). At least one projection (76) is provided on at least one of the inner surface of the upper case (6) and the inner surface of the lower case (7). The upper case (6) and the lower case (7) fix the battery pack (9) in a first direction, the baffle plate (8) fixes the battery pack (9) in a second direction, the projection (76) fixes the battery pack (9) in a third direction, and the first direction, the second direction and the third direction are mutually orthogonal. The power battery module (10) achieves stable three-dimensional fixing with simplified assembly process.
Abstract:
A battery safety vent is provided. The battery safety vent comprises: an explosion-proof film fixed on a battery cover plate; a safety vent cover covering above the explosion-proof film and having a pressure release aperture; and an explosion-proof pin disposed at a top of the safety vent cover, in which a free head of the pin is blunt and points to the explosion-proof film. A battery having the battery safety vent is further provided. The battery safety vent may release the internal pressure of the battery via a large scale broken explosion-proof film if the internal pressure is high, so as to ensure the safety of the battery.
Abstract:
An electrochemical storage cell (300) comprises a core and a rectangular shell (305) that receives the core (200) snugly therein. The rectangular shell (305) has first and second open ends. A first end cap (335) is used to close the first open end. An anode terminal extends through the first end cap (335) from an interior portion of the electrochemical storage cell (305) to an external portion thereof. A first gasket (1405) is secured within the rectangular shell (305) between the first end cap (335) and the core (200) to resiliently hold the core (200) away from the first end cap (335). A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.
Abstract:
A power battery module (1000) is provided. The power battery module (1000) includes a battery accommodating assembly (100) having a plurality of separators (10), the separator (10) comprising: a separator body (11); a left cover (12); and a right cover (13), in which adjacent separators (10) are detachably connected with each other; a battery group; a power connection member (430), a line snap-fit (200), a power connection line and a signal collection assembly (400).
Abstract:
A battery explosion-proof device (100) and a battery pack (200) may be provided. The battery explosion-proof device (100) may comprise a valve body (1), a rupture plate (2) and a protecting cover (3). The valve body (1) may comprise a base portion (11) and a shaft portion (12) connected with the base portion (11). The shaft portion (12) may be formed with threads on an external circumferential surface thereof and with a venting passage (121). The rupture plate (2) may be disposed inside the concaved portion (111) for sealing the venting passage (121). And the protecting cover (3) may be configured to cover the concaved portion (111).