Battery module, battery pack and unmanned aerial vehicle

Through the inverted filling method, the filler is filled in the fixed frame accommodating cavity of the battery module, solving the problems of glue overflow, reduced energy density, poor heat dissipation and high cost in the existing battery module glue filling methods, and achieving higher energy density and lower cost.

CN119725920APending Publication Date: 2025-03-28NINGDE AMPEREX TECHNOLOGY LTD
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Patent Information

Application Number
CN202411913609.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2020-12-29
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing battery module glue filling methods have problems such as glue overflow, reduced energy density, poor heat dissipation and high cost.

Method used

The inverted filling method is adopted to fill the filler in the accommodating cavity of the fixing frame, and the fixing frame is achieved by fixing the battery cell assembly, the adapter plate and the fixing frame.

Benefits of technology

Effectively reduce the use of fillers, improve energy density, reduce costs, and enhance the battery module's tolerance to shock, vibration and drop.

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Abstract

The invention discloses a battery module which comprises a battery cell assembly, an adapter plate and a filling piece, the adapter plate is arranged on the battery cell assembly and connected with a tab of the battery cell assembly, the battery module further comprises a fixing frame, and the fixing frame is provided with a containing cavity; a chip is also arranged on the adapter plate, and the adapter plate, the chip and at least part of the battery cell assembly are accommodated in the accommodating cavity; and the filling piece is arranged in a gap between the inner side of the accommodating cavity and the battery cell assembly and the adapter plate. The invention further discloses a battery pack with the battery module and an unmanned aerial vehicle.
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