Power battery top cover and power battery
A technology of power battery and top cover, applied in the direction of battery cover/end cover, battery, battery pack components, etc., can solve the problems of conduction of conductive sheets, easy breakage and failure, etc., and achieve the effect of preventing breakage
Active Publication Date: 2019-01-18
CONTEMPORARY AMPEREX TECH CO
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Problems solved by technology
In this way, the conductive sheet integrated with CID is connected to the flip sheet on the top, and the bare cell lug is connected to the bottom. If there are no other parts to assist in fixing, it will easily break and fail during normal assembly and use, or the conductive sheet and the flip sheet or the top will be damaged after deformation. Cover Slip Conduction
Method used
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[0064] The present application will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings. The "front", "rear", "left", "right", "upper" and "lower" mentioned in the text are all referred to the power battery top cover and the placement state of the power battery in the drawings.
[0065] Such as figure 1As shown, the embodiment of the present application provides a power battery top cover, including a top cover sheet 10 , a first electrode unit 20 and a second electrode unit 30 . Wherein, the second electrode unit 30 is electrically insulated from the top cover sheet 10 . The first electrode unit 20 includes an insulating member 200 , a conductive sheet 202 and a flipping sheet 204 . In this embodiment, the top cover sheet 10 is provided with a turning piece connecting hole 100, and the turning piece 204 is sealed and fixed. The turning piece connecting hole 100 is located under the top cover piece 10. The sheet...
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The present application relates to the field of energy storage devices, in particular to a power battery top cover and a power battery. A top cover of that power battery comprise a top cover sheet, the first electrode unit and the second electrode unit; the first electrode unit includes a flip sheet, an insulator and a conductive sheet, A connection hole of that flip piece is arranged on the top cover sheet, the flip sheet seals the flip sheet connection hole, the edge of the flip sheet is welded on the top or bottom of the flip sheet connection hole, Alternatively, the flip sheet is integrally formed with the top cover sheet, the insulating member is positioned below the top cover sheet, the insulating member is connected with the top cover sheet, and the conductive sheet is fixed with the top cover sheet and electrically connected with the flip sheet through the insulating member. The power battery comprises a power battery top cover. The power battery provided by the present application can effectively prevent the conductive sheet from being broken, invalidated or deformed during use.
Description
[0001] This application is a divisional application of a Chinese patent application submitted to the China Patent Office on June 07, 2016, with the application number 201610399622.5, and the title of the invention is "power battery top cover and power battery". technical field [0002] The present application relates to the field of energy storage devices, in particular to a power battery top cover and a power battery. Background technique [0003] For EV hard-shell batteries, in order to solve the overcharge problem, the industry generally adopts a solution to cut off the main circuit of the battery before the battery fails to prevent the battery from continuing to charge to ensure battery safety. [0004] At present, for square hard-shell batteries, some use CID (current interrupt structure). That is, there is an air pressure flip sheet and a conductive sheet integrating CID in the positive main circuit. The surroundings of the conductive sheet are connected with the bare...
Claims
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IPC IPC(8): H01M2/04H01M2/34H01M50/147H01M50/578H01M50/593
CPCH01M50/147H01M50/578H01M50/593H01M2200/20H01M2220/20Y02E60/10
Inventor 李全坤郭剑朱凌邓平华王鹏吴凯
Owner CONTEMPORARY AMPEREX TECH CO