Abstract: A battery system for a vehicle capable of being driven by electric power is disclosed. The vehicle includes at least one motor/generator and a battery system for supplying electrical power to and receiving electrical power from the motor/generator. The battery system includes multiple battery packs, each comprising a plurality of cells. The plurality of cells in each battery pack are electrically connected with one another. Multiple battery pack housings are provided to house the plurality of cells. Each battery pack housing facilitates electrical connection to one or more other battery pack. The system also includes a compartment containing the multiple battery packs in their housings. The compartment facilitates electrical connection to the motor/generator.

Abstract: The present disclosure provides a battery module comprising: a battery pack having at least one single battery and at least one power splicer; a sampling module having a flexible circuit board, wherein at least one voltage sampling terminal and temperature sensor are disposed on the flexible circuit board, the temperature sensor being connected with the power splicer, the voltage sampling terminal being electrically connected with the power splicer; and a shell to enclose the battery pack and the sampling module.

Abstract: A battery system for storing electrical power and supplying electrical power to a vehicle is disclosed. The system includes multiple battery packs, each with a plurality of cells. The cells in each battery pack are electrically connected with one another and the multiple battery packs are also electrically connected with one another to combine the total energy output of the cells of the system. The electrical connections between at least some of the cells include a severable feature, whereby the electrical connection is severed locally at the severable feature in response to an impact force that is in excess of a predetermined magnitude and/or an overcurrent/overtemperature condition.

Abstract: The present disclosure discloses a current fuse device. The current fuse device comprises: an insulating box having a cavity; a first conductor fixed to the insulating box with a first outer end and a first inner end; a second conductor fixed to the insulating box with a second outer end and a second inner end; and at least one elastic member disposed on at least one of the first conductor and the second conductor and inside the cavity. The elastic member forms an electrical connection between the first inner end of the first conductor and the second inner end of the second conductor. The elastic member has an elastic potential energy to break the electrical connection when a short circuit occurs.

Abstract: A battery pack comprises a plurality of electrochemical cells and a housing. The cells have similar shape and size. The shape is a rectangular prism with opposing major faces. The cells are aligned in a stack along an axis of the pack so that one of the major faces of each cell contacts the major face of the adjacent cell. The housing comprises a top portion and a bottom portion. The top portion comprises a top plate and four side plates joined to the top plate so as to form a cavity with an opening. The cross-sectional area of the opening is at least slightly larger than the cross-sectional area of the stack, and the cross-sectional area of the cavity in a plane closer to the top plate is sized so that the stack fits snugly therein. The battery stack is disposed in the housing. The bottom portion closes the opening.

Abstract: The present invention discloses a single cell comprising a shell, a cover and an electric core. The cover is connected with the shell in a sealed manner. The electric core is accommodated in the shell, and at least two electrode terminals having the same polarity penetrate through the cover respectively. The present invention further discloses a power battery pack comprising a plurality of the single cells as described above.

Abstract: An energy storage device includes a housing, a plurality of battery packs in the housing, and a first set of fluid passages disposed between battery packs, the battery packs being thermally insulated from fluid in the fluid passages.

Abstract: A single cell and a power battery pack comprising the same are provided. The single cell comprises: a shell; a cover board sealing an open end of the shell; an electrode core disposed inside the shell; an electrode terminal extending through the cover board, the electrode terminal comprising a first end portion connected with the electrode core inside the shell, a second end portion protruding outside the shell, and a middle portion between the first end portion and the second end portion; and an insulating member disposed between the electrode terminal and the cover board for insulating the electrode terminal; wherein each of the first end portion and the second end portion comprises a plurality of flexible conductive members.

Abstract: The present disclosure provides a power battery module, comprising: a battery pack, an upper case, a lower case adapted to be mated with the upper case; at least a baffle plate longitudinally disposed at a lateral side of the battery pack between the lower case and the upper case to fix the battery pack in a lateral direction; and at least a boss formed on at least one of a bottom inner surface of the lower case and a top inner surface of the upper case in a lengthwise direction of the battery pack to fix the battery pack in the lengthwise direction.

Abstract: A fusing device comprises a core portion, a first terminal, a second terminal, and at least a thermal expanding element provided between the first flange and the second flange with two ends thereof against the first and second flanges respectively, which is configured to break the core portion during thermal expanding. A battery assembly comprises a plurality of battery electrically connected in series, parallel or in series and parallel with the fusing device as described hereinabove.

Abstract: The present invention discloses a battery pack, which comprises a plurality of unit cells (1) each of which has two electrode terminals (2 and 3), and which are connected in series or in parallel by connecting an electrode terminal (2 or 3) of a unit cell (1) to an electrode terminal (3 or 2) of an adjacent unit cell (1), characterized in that, the electrode terminals (2 and 3) each is formed in a sheet shape, and the connection between the electrode terminals (2 and 3) is the binding of two sheets. According to the present invention, the battery pack has a low internal resistance, light weight, and reliable connection.

Abstract: A safety valve for battery has a valve body (1) and a valve core (2). The valve body (1) is fixed on a cover plate (4) of a battery and covers a discharging hole (9) in the cover plate (4) of the battery. The valve body (1) is formed with an exhaust opening (3) which is communicated with an internal space of the valve body (1). The valve core (2) is elastically held between a top cover (11) of the valve body (1) and the cover plate (4) of the battery. A plurality of columns (6) are arranged at intervals along a circumference of a gap between a side wall of the valve core (2) and an inner wall of the valve body (1). A cavity defined by every two adjacent columns (6), the side wall of the valve core (2) and the inner wall of the valve body (1) forms as a side exhaust slot (7) which is communicated with the exhaust opening (3) in the valve body (1).

Abstract: An electrochemical storage cell is disclosed that comprises a cathode sheet, an anode sheet, and a separator sheet between the cathode and anode sheets. A metal foil current collector extends from a longitudinal edge of the cathode sheet. A further metal foil current collector extends from a longitudinal edge of the anode sheet. The anode sheet, cathode sheet, and separator sheet are wound in a flattened coil shape to produce a core in which the metal foil current collector of the cathode sheet extends beyond the separator sheet at one end of the core and the metal current collector of the anode sheet extends beyond the separator sheet at an opposite end of the core. Overlying layers of the metal foil current collector of the cathode sheet are compressed together and placed in electrical communication with a positive terminal of the cell while overlying layers of the metal foil current collector of the anode sheet are compressed together and placed in electrical communication a negative terminal of the cell.

Abstract: A battery system for storing electrical power and supplying electrical power to a vehicle is disclosed. The system includes multiple battery packs, each with a plurality of cells. The cells in each battery pack are electrically connected with one another and the multiple battery packs are also electrically connected with one another to combine the total energy output of the cells of the system. The electrical connections between at least some of the cells include a severable feature, whereby the electrical connection is severed locally at the severable feature in response to an impact force that is in excess of a predetermined magnitude and/or an overcurrent/overtemperature condition.

Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. 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 battery system having interconnected battery packs is disclosed. Each battery pack includes a plurality of rectangular prismatic shaped cells. Each cell includes a positive terminal at one end and a negative terminal at the other end. The cells are housed in a battery pack housing in a side-by-side manner. The cells may be electrically connected in series so that the positive terminal for a cell extends toward and contacts the negative terminal of an adjacent cell and the negative terminal for the cell extends toward and contacts the positive terminal of another adjacent cell.

Abstract: A battery system for a vehicle capable of being driven by electric power is disclosed. The vehicle includes at least one motor/generator and a battery system for supplying electrical power to and receiving electrical power from the motor/generator. The battery system includes multiple battery packs, each comprising a plurality of cells. The plurality of cells in each battery pack are electrically connected with one another. Multiple battery pack housings are provided to house the plurality of cells. Each battery pack housing facilitates electrical connection to one or more other battery pack. The system also includes a compartment containing the multiple battery packs in their housings. The compartment facilitates electrical connection to the motor/generator.

Abstract: There is disclosed a battery system comprising a battery pack. Within the battery pack is a plurality of cells, which are electrically connected by physical contact between electrical terminals of adjacent cells. A resistive heater is attached to at least some of the electrical terminals in the battery pack to thereby warm the cells to a more optimum operating temperature in response to a sensed temperature.

Abstract: A battery pack comprises a plurality of electrochemical cells and a housing. The cells have similar shape and size. The shape is a rectangular prism with opposing major faces. The cells are aligned in a stack along an axis of the pack so that one of the major faces of each cell contacts the major face of the adjacent cell. The housing comprises a top portion and a bottom portion. The top portion comprises a top plate and four side plates joined to the top plate so as to form a cavity with an opening. The cross-sectional area of the opening is at least slightly larger than the cross-sectional area of the stack, and the cross-sectional area of the cavity in a plane closer to the top plate is sized so that the stack fits snugly therein. The battery stack is disposed in the housing. The bottom portion closes the opening.