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Battery, current collector applied to battery, battery pack comprising current collector and automobile

A battery and electrode technology, which is applied in the field of battery packs and automobiles, can solve the problems of battery pack maintenance troubles in the assembly process of electrical wiring electric vehicles, and achieve the effects of improving internal heating problems, expanding the contact area, and enlarging the cross-sectional area

Pending Publication Date: 2022-07-29
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the inefficiency of electrical wiring makes the assembly process of electric vehicles and the maintenance of battery packs very troublesome

Method used

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  • Battery, current collector applied to battery, battery pack comprising current collector and automobile
  • Battery, current collector applied to battery, battery pack comprising current collector and automobile
  • Battery, current collector applied to battery, battery pack comprising current collector and automobile

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Embodiment Construction

[0215] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Until then, the terms and words used in the present specification and the claims should not be interpreted as limited to ordinary meanings or dictionary meanings, and the inventor can appropriately describe his invention in the best way. The principles that define the concepts of terms are interpreted as meanings and concepts that conform to the technical idea of ​​the present invention. Therefore, the embodiments described in this specification and the structures shown in the accompanying drawings are only some of the most preferred embodiments of the present invention, and cannot represent all the technical ideas of the present invention. Therefore, it should be understood at the time of the present application that there may also exist Various equivalents and modifications of these can be substituted.

[0216] In addition, in order to ...

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Abstract

The invention provides a battery, a current collector applied to the battery, a battery pack comprising the current collector and an automobile. This battery is provided with: an electrode assembly in which a first electrode, a second electrode, and a separation membrane interposed therebetween are wound around a winding axis to define a core and an outer peripheral surface, the first electrode including a first uncoated portion, which is exposed to the outside of the separation membrane and is not coated with an active material layer, at a long-side end portion in the winding direction, and the second electrode including a second uncoated portion, which is exposed to the outside of the separation membrane, at a long-side end portion; at least a portion of the first uncoated portion itself is used as an electrode tab; a case including an open portion on one side and accommodating the electrode assembly through the open portion; a first current collector including: an edge portion disposed on an upper portion of the electrode assembly; a first uncoated portion coupling portion that extends inward from the edge portion and is coupled to the first uncoated portion; and a terminal coupling portion disposed apart from the first uncoated portion coupling portion. And a terminal coupled to the terminal coupling portion.

Description

technical field [0001] The present invention relates to a battery and a current collector applied to the battery, a battery pack including the current collector, and an automobile. More specifically, the present invention relates to a battery capable of avoiding force concentration on a welding portion between components even if external shock or vibration is applied during use of the secondary battery, and a current collector applied to the battery, including the collector. Electric battery packs and automobiles. Background technique [0002] The fields of application of secondary batteries are very diverse. Among them, a battery pack applied to a device such as an electric vehicle requires a large capacity and high power. In addition, such a battery pack having a large capacity and high power includes, for example, a cylindrical battery as a unit cell. [0003] In the case of a cylindrical battery having large capacity and high power characteristics, in order to improve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M4/70H01M50/531H01M50/533H01M50/543H01M50/574H01M50/107H01M50/166H01M50/186H01M50/172
CPCH01M10/052H01M4/13H01M10/0587H01M10/0431H01M50/536H01M50/186H01M2220/20H01M50/107H01M50/152H01M50/167H01M50/184H01M50/538H01M50/179H01M50/534H01M50/545H01M50/188H01M50/586H01M50/593H01M50/213H01M50/249H01M50/503Y02E60/10Y02P70/50H01M50/533H01M50/583H01M50/55H01M50/133H01M50/3425H01M50/119H01M50/505H01M50/1245
Inventor 崔修智皇甫光洙金度均闵建宇赵敏起林在垣金学均李帝俊郑池敏林惠珍金在雄朴种殖崔惟瑆李炳九柳德铉李宽熙李宰恩姜宝炫孔镇鹤李洵旿崔圭铉朴必圭
Owner LG ENERGY SOLUTION LTD
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