摘要:
The present invention relates to a cap assembly for preventing electrical shorting in a secondary battery and a secondary battery including the cap assembly. The cap assembly includes a cap-up attached with an elastic plate adapted to interrupt the flow of electric current by internal heat of the secondary battery, a CID module interrupting the flow of electric current by internal pressure of the secondary battery, and an insulating member interposed between the cap-up and the CID module. The cap assembly prevents the occurrence of electrical shorting in a secondary battery when a gasket between a battery can and the cap assembly and/or an insulating layer between a safety vent and a cap-down is dissolved or lost upon abnormal operation of the secondary battery so that the battery can is brought into close contact with the cap assembly and/or the safety vent is brought into close contact with the cap-down.
摘要:
Provided are battery packs. Each pack may comprise a first plurality of strings electrically coupled to each other in parallel, each of the first plurality of strings comprising: a first plurality of battery modules comprising: a plurality of high power battery cells; and a second plurality of strings electrically coupled to each other and to the first plurality of strings in parallel, each of the second plurality of strings comprising: a second plurality of battery modules comprising: the plurality of high energy battery cells. Each pack may comprise: a plurality of strings, each of the first plurality of strings comprising: a plurality of battery modules, each of the first plurality of battery modules comprising: a plurality of battery cells, each of the plurality of battery cells comprising: a fuse electrically isolating a respective battery cell of the plurality of battery cells from a respective battery module.
摘要:
An electrochemical cell includes a can configured to serve as one electric contact of the electrochemical cell, the can containing active materials, a diaphragm configured to serve as an opposite electric contact of the electrochemical cell,; and a gasket that is initially of generally cylindrical shape, the diaphragm positioned inside the gasket in an opening of the can wherein an outer edge of the can is crimped onto the gasket, the gasket having an inner periphery inside the can and an outer periphery outside the can, the outer periphery comprising leaves that after crimping extend along an outer surface of the diaphragm.
摘要:
The present disclosure includes a battery module having a housing with a wall that includes an aperture in the wall. The battery module also includes an electrochemical cell having a terminal end and a base end opposite the terminal end. The electrochemical cell is disposed within the housing such that the base end is positioned proximate to the aperture of the wall. Further, a heat sink of the battery module is engaged with the aperture and includes cooling fins extending outwardly from the heat sink a first distance from an external surface of the wall. The battery module also includes feet of the housing extending outwardly from the wall a second distance from the external surface of the wall. The second distance is greater than the first distance.
摘要:
A lithium ion battery module includes a battery cell stack disposed within a housing of the battery module. The stack includes a first battery cell, a second battery cell positioned adjacent to the first battery cell, and a battery cell separator fitted over the first battery cell. The battery cell separator includes a plurality of walls formed from a continuous material and defining a pocket in which the first battery cell is disposed. The plurality of walls is configured to electrically insulate the first cell from the second cell. The separator also includes a projection extending from a wall of the plurality of walls, the projection is positioned between a terminal of the first battery cell and a terminal of the second battery cell and is configured to electrically insulate the terminals from one another.
摘要:
A battery assembly includes a thermal shield. The thermal shield protects battery cells in the battery assembly from hot gases vented by a neighboring cell experiencing thermal runaway. The thermal shield acts as a one-way valve, allowing the cell experiencing thermal runaway to properly vent away hot gases, but still protecting the rest of the cells in the battery pack from the hot gases.
摘要:
A battery cell unit is presented, the battery cell unit comprising: a metallic enclosure comprising: a first metallic case having a base tray and surrounding walls thereby defining an inner volume, a second metallic case-cover being configured for closing said inner volume, and a circumferential sealing material located along an interface between said first metallic case and said second metallic case cover to thereby seal said volume within the enclosure. The battery also comprises anode and cathode elements being separated between them by a separator. The anode and cathode elements and the separator are immersed in electrolytic liquid to thereby allow ion exchange between the anode and cathode elements while preventing direct contact between them. The anode and cathode elements are respectively electrically connected to the metallic enclosure and metallic case cover.
摘要:
Es wird eine Batteriezelle(2) angegeben mit zumindest einem Sensor(12), welcher als eine piezoelektrische Folie ausgebildet ist. Weiterhin werden ein Batteriepack mit einer Batterie, die zumindest eine derartige Batteriezelle (2) aufweist, sowie ein Transportbehälter (46) angegeben.