Button cell packaging structure and button cell
A button battery, packaging structure technology, applied in the direction of cylindrical shell batteries/batteries, batteries, structural parts, etc., can solve the problems of increasing the thickness or width of button batteries, affecting battery performance, and damaging battery cells, and improving power storage. The volume, the appearance is exquisite and beautiful, and the effect of preventing the short circuit of the battery
A button battery, packaging structure technology, applied in the direction of cylindrical shell batteries/batteries, batteries, structural parts, etc., can solve the problems of increasing the thickness or width of button batteries, affecting battery performance, and damaging battery cells, and improving power storage. The volume, the appearance is exquisite and beautiful, and the effect of preventing the short circuit of the battery
CN112563556APending Publication Date: 2021-03-26惠州市超聚电池有限公司
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[0027] 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.
[0028] 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 provides a button cell packaging structure and a button cell. The button cell packaging structure comprises a shell, a top cover assembly and a negative electrode connecting assembly. The shell is provided with an installation cavity and a shell opening, and the installation cavity is communicated with the shell opening. The top cover assembly comprises a cover body, the cover body is welded to the shell so that the cover body can cover the opening of the shell, and a cover hole is formed in the cover body. The negative electrode connecting assembly comprises an insulating separator and a negative electrode contact piece, the insulating separator comprises an insulating spacer and an insulating protruding part, the insulating spacer is provided with a first through hole, theprotruding part is provided with a second through hole, the insulating spacer is connected with the insulating protruding part, and the first through hole is communicated with the second through hole.Due to the fact that the cover body and the shell are welded, the installation cavity is in a fully-closed state, compared with a traditional mechanical packaging mode, a mechanical packaging structure does not need to be additionally arranged, the installation cavity can be used for installing a battery cell with larger electric quantity, the power supply storage capacity of the button cell is effectively improved, and miniaturization development of the button cell is facilitated.
Description
technical field [0001] The invention relates to the technical field of button batteries, in particular to a button battery packaging structure and a button battery. Background technique [0002] With the development of portable electronic products and smart wearable electronic products, batteries are required to be more miniaturized. While maintaining a high service life, the battery is required to have as high a volume specific energy and a mass specific energy as possible, so the demand for lithium-ion button batteries is also increasing day by day. [0003] The traditional button battery usually adopts the following two packaging methods. One is that the positive and negative shells of the button battery are fastened to each other through the difference in inner diameter, and are fixedly connected through the slots at the joints of the upper and lower shells; Fold the upper edge of the casing, so that the upper edge of the casing buckles the negative electrode cover, and...
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Patent Timeline
26 Mar 2021
Publication
CN112563556A
- IPC
- H01M10/04; H01M50/109; H01M50/153; H01M50/169; H01M50/586; H01M50/593
- CPC
- H01M10/0427; H01M10/0431; H01M2220/30; Y02E60/10; Y02P70/50
- Inventors
- 刘彪; 劳华亮