sealed battery

A sealed, battery technology, applied in battery pack parts, circuits, electrical components, etc., can solve problems such as increased production costs and volume expansion, and achieve capacity expansion, substrate width, and improved power storage and economic benefits. Effect
CN105514337BActive Publication Date: 2018-12-14FUJIAN WEIDONG NEW ENERGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FUJIAN WEIDONG NEW ENERGY
Publication Date
2018-12-14

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Abstract

The sealed battery disclosed in the present invention is composed of a battery casing, a battery cover, and a battery electrode group accommodated in the battery casing and the battery cover. There is an insulator between the positive pole piece and the negative pole piece. Both the positive pole piece and the negative pole piece are composed of a base body, a tab and a current guide strip for conducting electricity. The tabs and the current guide strip of the positive pole piece and the negative pole piece are respectively located On both sides of the battery pole group, one end of the base body is connected to one end of the tab, and a positioning hole is respectively opened on both sides of the other end of the tab. between the holes. The invention has the characteristics of small size, good conduction effect and large battery capacity.
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Description

technical field

[0001] The present invention relates to a sealed battery. Background technique

[0002] For example, a square battery disclosed in Chinese invention patent 201310058048.3 belongs to a typical sealed battery, including a battery case, a battery cover, and a battery electrode group contained in the battery case and battery cover. Figure 8-1 As shown in 6, the pole group is formed by overlapping the positive pole piece and the negative pole piece, and a diaphragm or separator is arranged between the positive pole piece and the negative pole piece for insulation. The positive pole piece and the negative pole piece have the same structure, both Including base body, tabs and guide strips for conduction, the base body is coated with active material, one side of the base body is welded to one side of the tabs, and the other side of the tabs is welded to the guide plate. This sealed battery integrates The electrode group formed by overlapping the multi-layer positive...

Claims

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