Limiting and formation clamp for lithium ion polymer battery

Abstract

The invention is applicable to the technical field of battery manufacturing, and discloses a limiting and formation clamp for a lithium ion polymer battery used for fixing and limiting in battery formation. The limiting and formation clamp comprises a mounting body used for mounting and fixing batteries, wherein accommodating grooves used for accommodating batteries are formed in the mounting body; a cover plate used for fastening the batteries is mounted on the mounting body; and a limiting structure for preventing the batteries from loosening or from being over-extruded is arranged between the cover plate and the mounting body. The limiting and formation clamp for the lithium ion polymer battery provided by the invention is simple in structure, capable of effectively solving the problems of ultra-thin or ultra-thick cells and partial lithium separating-out, and capable of ensuring battery product quality.

Description

technical field [0001] The invention belongs to the technical field of battery manufacturing, and in particular relates to a clamp for limiting and forming a lithium ion polymer battery. Background technique [0002] Lithium-ion polymer batteries have the advantages of high voltage, high specific energy, many cycle times, long storage time, and small size, and have been widely used in portable electronic devices. However, during production, when lithium-ion polymer batteries are formed in high-temperature fixtures, there are frequent occurrences of ultra-thin and ultra-thick cells due to improper pressure control of the pressing plate, and dark marks on the pressing plate due to frequent pressing of cells of different sizes. The problem of lithium deposition due to uneven local force on the battery cell affects the quality of the battery. [0003] At present, there is no effective solution at home and abroad to the problems of ultra-thin and ultra-thick cells caused by high...

AI Technical Summary

Problems solved by technology

However, during production, when lithium-ion polymer batteries are formed in high-temperature fixtures, there are frequent occurrences of ultra-thin and ultra-thick cells due to improper pressure control of the pressing plate, and dark marks on the pressing plate due to frequent pressing of cells of different sizes. The problem of lithium deposition due to uneven local force on the battery cell affects the quality of the battery

[0003] At present, there is no effective solution to the problems of ultra-thin and ultra-thick batteries caused by the formation of high-temperature fixtures and local lithium deposition in the batteries caused by dark marks on the pressing plate at home and abroad.

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