Battery protection plate and battery assembly

By extending the connecting tabs of the nickel sheet beyond the side of the circuit board in the battery protection board design, and using the height of the electronic components to offset the thickness of the connecting tabs and the cell tabs, the problem of large space occupation in the battery packaging structure is solved, and the battery capacity is improved.

CN224401728UActive Publication Date: 2026-06-23ZHEJIANG SUNWODA ELECTRONIC CO LTD
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Patent Information

Application Number
CN202520945305.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-06-23
Estimated Expiration
2035-05-13

AI Technical Summary

Technical Problem

Existing battery packaging structures occupy a significant amount of space along the length of the battery, resulting in limited effective space utilization.

Method used

A battery protection board is designed in which the first connecting piece of the nickel sheet extends toward one side of the circuit board and crosses that side. The height of the electronic components is used to offset part of the thickness after the connecting piece is bent to connect with the battery cell tab, thereby saving the space occupied by the battery protection board in the length direction of the battery.

Benefits of technology

Without increasing the overall size of the battery assembly, the space utilization and capacity of the battery are improved, and space is saved in the length direction of the battery.

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Abstract

The utility model relates to the technical field of new energy batteries, and discloses a battery protection board and a battery assembly, the battery protection board comprises a circuit board, a nickel sheet and an electronic component, and the circuit board is provided with a first surface and a second surface which are oppositely arranged at an interval; the nickel sheet comprises a first connecting sheet and a second connecting sheet, the first connecting sheet and the second connecting sheet are connected and form a bending shape, the second connecting sheet is connected to the second surface, and the first connecting sheet extends towards the first surface and crosses the first surface along the thickness direction of the circuit board; the electronic component is arranged on the first surface. According to the battery protection plate, the first connecting sheet extends towards the first surface and crosses the first surface, and the thickness of the part of the first connecting sheet after being connected with the tab of the battery cell and bent is counteracted by utilizing the height of the electronic component, so that the occupied space of the battery protection plate in the length direction of the battery is saved, and the space utilization rate of the battery can be increased.
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