Testing method for packaging effect of battery cell packaging bag

A technology of battery cells and testing methods, which is applied in the direction of material analysis through observation of the influence of chemical indicators, analysis through chemical reactions of materials, and use of material absorption and weighing. It can solve the problems affecting the packaging of aluminum-plastic packaging bags. The actual judgment of the effect, the difference in the electrical performance of the battery cell, etc., to achieve the effect of improving the overall production efficiency, simple method, and reducing the overall production cost
CN101984339AInactive Publication Date: 2011-03-09TIANJIN LISHEN BATTERY
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
TIANJIN LISHEN BATTERY
Publication Date
2011-03-09
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a testing method for the packaging effect of a battery cell packaging bag, which comprises the following steps: putting a chemical substance which absorbs water easily into the battery cell packaging bag to be tested for the packaging effect, and then packaging the battery cell packaging bag; and weighing the mass of the packaged battery cell packaging bag at set intervals, and counting the mass variation of the battery cell packaging bag to know the packaging effect of the battery cell packaging bag. In the testing method for the packaging effect of the battery cell packaging bag disclosed by the invention, the chemical substance which absorbs water easily is packaged in the battery packaging bag, and the packaging effect of the battery packaging bag is determined by testing the mass variation of the chemical substance, thereby realizing the purposes of conveniently and effectively testing the packaging effect of the battery packaging bag, being favorable for reducing the overall production cost of the battery, improving the overall production efficiency of the battery, and obtaining great production practice significance.
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Description

technical field

[0001] The invention relates to the technical field of battery testing, in particular to a method for testing the packaging effect of battery cell packaging bags. Background technique

[0002] At present, polymer lithium-ion batteries have the advantages of high specific energy, many cycle times, and long storage time. They are not only widely used in portable electronic devices such as mobile phones, digital cameras, and laptop computers, but also widely used in electric vehicles, In terms of large and medium-sized electric equipment such as electric bicycles and electric tools, the requirements for the quality pass rate of polymer lithium-ion batteries are getting higher and higher.

[0003] For flexible packaging polymer lithium-ion batteries, they use aluminum-plastic packaging bags as the outer packaging material of the battery. However, the packaging problem of aluminum-plastic packaging bags has always been an important factor that hinders the later e...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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