Lithium battery roll core flat pressing short circuit test device
A short-circuit test, lithium battery technology, applied in the direction of short-circuit test, circuit, secondary battery, etc., can solve the problems of flat pressure and short-circuit test of no lithium battery core, and achieve the effect of improving flatness and preventing leakage test
Pending Publication Date: 2020-01-17
HUIZHOU HENGTAI TECH
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Problems solved by technology
[0003] However, in the production process of existing lithium battery cores, it is necessary to carry out flat voltage and short-circuit tests on lithium battery cores, but the existing equipment cannot simultaneously perform flat voltage and short-circuit tests on lithium battery cores, so , how to design a device that can not only realize the flat pressing of the lithium battery core to ensure the flatness of the lithium battery core, but also be able to perform a short-circuit test on the tabs of the lithium battery core needs to be considered by those skilled in the art The problem
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[0029] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0030] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of ill...
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The invention discloses a lithium battery roll core flat pressing short circuit test device. The device comprises a fixing frame, a flat pressing device and a test device, wherein a flat pressing assembly comprises a flat pressing fixing plate, a lifting driver and a flat pressing plate body; the flat pressing fixing plate is arranged on the fixing frame; the lifting driver is arranged on the flatpressing fixing plate; the flat pressing plate body is arranged at the output end of the lifting driver; the lifting driver is used for driving the flat pressing fixing plate to do lifting movement in the vertical direction; the test assembly comprises a fixing long strip, a positive electrode test piece and a negative electrode test piece; the fixing long strip is arranged on the flat pressing plate body; and the positive electrode test piece and the negative electrode test piece are arranged on the fixing long strip. According to the invention, by arranging the flat pressing device and thetest device, the leveling operation of the lithium battery roll core can be conveniently carried out; the flatness of the lithium battery roll core is improved; the test of a lithium battery tab can be realized; and the condition of missed test of the lithium battery roll core is prevented.
Description
technical field [0001] The invention relates to the field of lithium battery production, in particular to a lithium battery rolling core flat-voltage short-circuit testing device. Background technique [0002] Lithium batteries are usually divided into two categories: Lithium metal batteries: Lithium metal batteries are generally batteries that use manganese dioxide as the positive electrode material, metal lithium or its alloy metals as the negative electrode material, and use a non-aqueous electrolyte solution. Lithium-ion battery: Lithium-ion batteries are generally batteries that use lithium alloy metal oxides as positive electrode materials, graphite as negative electrode materials, and non-aqueous electrolytes. Although the energy density of lithium metal batteries is high, it can theoretically reach 3860 watts / kg. However, because its properties are not stable enough and cannot be charged, it cannot be used as a power battery for repeated use. Lithium-ion batteries ...
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Login to View More IPC IPC(8): G01R31/52H01M10/058H01M10/0587
CPCH01M10/058H01M10/0587Y02E60/10Y02P70/50
Inventor 黄锐升
Owner HUIZHOU HENGTAI TECH