Patent application number | Description | Published |
20080233470 | Heat Dissipating Device for a Battery Pack, and Battery Pack Using the Same - Disclosed herein is a heat dissipating device for a battery pack which comprises a heat collecting plate having a heat collecting channel, a heat dissipating plate having a heat dissipating channel, and a pump, wherein, one port of the heat collecting channel is communicated with one port of the heat dissipating channel, the other post the heat collecting channel is communicated with the liquid outlet of the pump, and the liquid inlet of the pump is communicated with the other port of the heat dissipating channel. A battery pack using the heat dissipating device is also disclosed. During the operation of the heat dissipating device, the heat generated by the cells can be collected in the heat collecting plate and absorbed by the cooling liquid pumped into the heat collecting channel by the pump, the cooling liquid carrying the heat flows into the heat dissipating channel, the heat is dissipated outwardly through the heat dissipating plate, and then the cooling liquid is repeatedly pumped from the heat dissipating channel into the heat collecting channel by the pump, such that the heat generated by the cells can be dissipated rapidly and efficiently. | 09-25-2008 |
20080292949 | Heat Dissipating Device for a Battery Pack, and a Battery Pack Using the Same - Disclosed herein is a heat dissipating device for a battery pack which comprises a heat pipe and a heat collecting plate comprising a bottom heat collecting plate and an upper heat collecting plate each having a hole therein, wherein two ends of the heat pipe are inserted respectively into the holes in the bottom heat collecting plate and the upper heat collecting plate. A battery using the heat dissipating device is also disclosed. During the operation of the heat dissipating device, since the heat generated by the cells can be collected in the upper heat collecting plate, then transmitted to the bottom heat collecting plate through the heat pipe, and finally dissipated outwardly by the bottom heat collecting plate, the heat generated by cells can be dissipated rapidly and efficiently. | 11-27-2008 |
20090142658 | Lithium Ion Battery - Disclosed herein is a lithium ion battery comprising an electrode core, an electrolyte solution, a metal shell and an end cover assembly, said metal shell comprising an outer wall, an inner wall and a chamber, said electrode core and electrolyte solution being located in the chamber of the metal shell, and said electrode core being connected to the end cover assembly with a electrode terminal of the electrode core, wherein the number of said electrode core is more than one, and the multiple electrode cores are located in the chamber of the metal shell. The lithium ion battery according to the present invention possesses excellent disperse heat dispersion, high mechanical safety, and good high rate discharge performance. In addition, the battery according to the present invention solves the problems of the “wound battery” of the prior art that the electrode plate is long and difficult to wind, and the “stacked battery” of the prior art that the electrode plate is difficult to prepare and pile up by dividing the electrode core of high capacity into multiple electrode core of low capacity placed abreast in the metal shell, whereby simplifying the preparation thereof. | 06-04-2009 |
20090142659 | BATTERY ELECTRODE STRUCTURE - An electrode structure for a battery having an electrode tab coupled to a recess within an electrode lead. The tab can be coupled to the recess via hot-pressure treatment or mechanical compression. The coupling can be further reinforced by known welding techniques. The resulting electrode structure is capable of providing a battery with lowered internal resistance, enhanced safety and electrical properties. | 06-04-2009 |
20090142662 | Battery and Preparation Method Thereof - In one aspect, a battery comprises a battery main body, a protective jacket that surrounds the battery main body, and a cooling medium disposed between the protective jacket and the battery main body. In another aspect, a battery comprises a battery main body, a protective jacket that surrounds and connects to the battery main body, and a cooling medium disposed between the protective jacket and the battery main body. The cooling medium has a specific heat capacity of about 1-5 kJ kg | 06-04-2009 |
20090155679 | Battery Pack - 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. | 06-18-2009 |
20090159311 | BATTERY SYSTEM FOR A VEHICLE WITH SEVERABLE CONNECTIONS - 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. | 06-25-2009 |
20090159354 | BATTERY SYSTEM HAVING INTERCONNECTED BATTERY PACKS EACH HAVING MULTIPLE ELECTROCHEMICAL STORAGE CELLS - 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. | 06-25-2009 |
20090162737 | ELECTROCHEMICAL STORAGE CELL WITH BLOW OUT VENTS - An electrochemical storage cell is disclosed which includes at least one cathode sheet, at least one anode sheet and at least one separator sheet combined to make a core. The core is housed within a rectangular shell with four sides and two ends, sealed with an air-tight seal. The cell further includes a blow out vent in at least one of the two ends of the shell. This blow out vent is adapted to open and release excess pressure above a predetermined level to thereby prevent catastrophic rupture of the shell. | 06-25-2009 |
20090162738 | BATTERY SYSTEM WITH HEATED TERMINALS - 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. | 06-25-2009 |
20090162741 | CONSTRUCTION OF ELECTROCHEMICAL STORAGE CELL - 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. | 06-25-2009 |
20090162744 | VEHICLE WITH A BATTERY SYSTEM - 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. | 06-25-2009 |
20090162747 | PROTECTION COVER FOR AN END CAP ASSEMBLY OF A BATTERY CELL - An electrochemical storage cell is disclosed. The cell includes a core having a cathode sheet, an anode sheet, and a separator sheet. The core is located snuggly within a shell having an open end. An end cap assembly is provided to close the open end. A terminal in electrical communication with one of the cathode sheet and the anode sheet extends through the end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A protection cover that generally conforms to the outermost portions of the end cap assembly is provided and includes a first cover half having a first mating structure and a second cover half having a second mating structure for engagement with the first mating structure. The first and second cover halves are adapted for assembly with one another about the terminal. | 06-25-2009 |
20090286153 | PLATE ASSEMBLY, CORE AND LITHIUM ION BATTERY - Disclosed are a plate assembly for a battery, a core and a lithium ion battery. The plate assembly comprises a plate, a conductive terminal and a membrane bag, the plate is encapsulated in the membrane bag, an encapsulation line is formed when the membrane bag is encapsulated, and the conductive terminal is disposed at one end of the plate and protruded out of the membrane bag, wherein the encapsulation line has at least two loops around the periphery of the plate. The core comprises the plate assembly of the present invention. The lithium ion battery comprises the core of the present invention. Since the membrane bag included in the plate assembly of the present invention is encapsulated by at least two loops of encapsulation line around the periphery of the plate, the membrane bag can be encapsulated tightly, which can prevent effectively the membrane bag from being cracked, and prevent the short circuit from being occurred due to the contact of the positive and negative plates, and thereby effectively improves the mechanical impact resistance of the battery. | 11-19-2009 |
20100021810 | END COVER ASSEMBLY FOR AN ELECTROCHEMICAL CELL - An end cover assembly for a battery comprises a cover plate; a scabbard mounted on the cover plate; a connector; and a sealing material. The cover plate comprises an opening. The scabbard comprises an interior channel. The opening is in communication with the channel. The connector is disposed in the interior channel and protrudes from the scabbard. The sealing material is disposed in the interior channel and extends beyond the upper portion of the scabbard and wraps around the outside of the scabbard to form a protective flange. | 01-28-2010 |
20100099014 | SAFETY VALVE FOR BATTERY - A safety valve for battery has a valve body ( | 04-22-2010 |
20110156855 | FUSING DEVICE AND BATTERY ASSEMBLY COMPRISING THE SAME - 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. | 06-30-2011 |
20110262782 | BATTERY EXPLOSION-PROOF STRUCTURE AND POWER BATTERY HAVING THE SAME - An explosion-proof device for a battery comprises: a vent formed in a battery shell of the battery; a valve core movably disposed in the vent to seal and open the vent; a support mounted on an outer wall of the battery shell; and an elastic element. One end of the elastic element is connected to the support and another end of the elastic element is connected to the valve core so as to normally push the valve core to seal the vent. Each of a power battery and a power battery module includes the explosion-proof device. | 10-27-2011 |
20120040215 | BATTERY SAFETY VENT AND BATTERY WITH THE SAME - The present invention disclosed a battery safety vent comprising: an explosion-proof film fixed on a battery cover plate, a safety vent cover covering the explosion-proof film and having a pressure release aperture, and an explosion-proof pin disposed on top of the safety vent cover, in which a free head of the pin is blunt and points to the explosion-proof film. The present invention further disclosed a battery having the above battery safety vent. | 02-16-2012 |
20120040229 | POWER BATTERY MODULE - 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. | 02-16-2012 |
20120058391 | BATTERY SPACER, PROTECTION ASSEMBLY FOR ELECTRIC CORE, AND POWER BATTERY - A battery spacer, a protection assembly for electric core, and a power battery are provided. The battery spacer comprises a spacer body. The spacer body comprises: a tab passing area located in a middle portion of the spacer body, the tab passing area being adapted to receive an end of an electric core of a battery; and receiving areas adjacent to ends of the tab passing area along the spacer body. The spacer body and the tab passing area provide an end wall, two side walls, and a top wall configured to surround each of the receiving area. At least one tab aperture is formed in the tab passing area and penetrates the spacer body. | 03-08-2012 |
20120126929 | CURRENT FUSE DEVICE AND BATTERY ASSEMBLY COMPRISING THE SAME - 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. | 05-24-2012 |
20120148876 | BATTERY MODULE - 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. | 06-14-2012 |
20130004834 | BATTERY COVER ASSEMBLY AND BATTERY HAVING THE SAME - A battery and a battery cover assembly thereof are provided. The battery cover assembly comprises a cover ( | 01-03-2013 |
20130029540 | CONNECTOR BETWEEN BATTERY MODULES AND BATTERY SYSTEM COMPRISING THE SAME - A connector between battery modules and a battery system comprising the same are provided. The connector between battery modules comprises: first and second connecting pieces ( | 01-31-2013 |
20130122346 | BATTERY SPACE, BATTERY PROTECTING DEVICE AND POWER BATTERY COMPRISING THE SAME - A battery spacer is provided. The battery spacer ( | 05-16-2013 |
20140087247 | SEALING MEMBER AND BATTERY COMPRISING THE SAME - A sealing member and a battery comprising the sealing member are provided. The sealing member comprises a sealing part, an operation part having a supporting portion, an operation protrusion disposed on an upper surface of the supporting portion, and a deformable leg depending from a bottom surface of the supporting portion. The sealing member also comprises a connecting part connecting the sealing part and operation part. The sealing part has a maximum diameter greater than that of the connecting part. | 03-27-2014 |
20140093752 | POWER BATTERY ASSEMBLY - A power battery assembly is provided. The power battery assembly comprises a battery circuit having at least one battery module and a relay. A normally open contact of the relay is connected with the battery circuit in series. The power battery assembly also comprises a controller for controlling the normally open contact of the relay. An input end and an output end of the relay are connected with the controller. The power battery assembly further comprises a fuse protector connected with the battery circuit in series. | 04-03-2014 |
20140127552 | POWER SUPPLY UNIT FOR ELECTRIC VEHICLE - A power supply unit for an electric vehicle includes a tray and at least one battery module fixed on the tray via a strip. Each battery module includes a housing having a bottom plate mounted onto the tray, first to fourth side plates disposed on the bottom plate, a battery pack disposed in the housing and having a plurality of cells arranged along a thickness direction, and first flexible members disposed between the first side plate and the battery pack, and between the third side plate and battery pack respectively, for fastening the battery pack. | 05-08-2014 |
20140141297 | CONSTRUCTION OF ELECTROCHEMICAL STORAGE CELL WITH CONDUCTIVE BRIDGE - 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. | 05-22-2014 |
20140141315 | CONSTRUCTION OF ELECTROCHEMICAL STORAGE CELL WITH EXPANSION MEMBER - 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. | 05-22-2014 |
20140141316 | CONSTRUCTION OF ELECTROCHEMICAL STORAGE CELL WITH CONDUCTIVE BLOCK - 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. | 05-22-2014 |
20140178744 | BATTERY TERMINAL, BATTERY COVER PLATE ASSEMBLY, BATTERY AND BATTERY PACK - A battery terminal includes an outer terminal segment, the outer terminal segment being made of a first conductive material; an inner terminal segment being made of a second conductive material different from the first conductive material and having an upper end connected to a lower end of the outer terminal segment forming a connection portion between the upper end of the inner terminal segment and the lower end of the outer terminal segment, and a protection member around the connection portion. With the battery terminal according to an embodiment of the present invention into batteries, adjacent batteries can be connected together more reliably. | 06-26-2014 |
20140197777 | ELECTRICITY SUPPLY SYSTEM - An electricity supply system comprises: a battery module, a control module, and a distribution box. The battery module includes at least two in-series modules, each comprising at least two battery groups connected in series. The control module is connected with the battery module and includes an IGBT module, a relay module, and a relay control module. The relay module includes a plurality of relays K. Each in-series module is connected to the relay module. The relay module is connected to the IGBT module. The relay control module is configured for controlling ON or OFF of each relay K so as to select an in-series module to work with the IGBT module. The distribution box is connected with the control module. | 07-17-2014 |