Lithium ion three-electrode laminate polymer battery and testing method thereof
A soft-pack battery and three-electrode technology, which is applied in the field of lithium-ion batteries, can solve problems such as inability to accurately simulate polarization conditions, and achieve the effect of easy production
Inactive Publication Date: 2018-10-09
HEFEI GUOXUAN HIGH TECH POWER ENERGY
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AI-Extracted Technical Summary
Problems solved by technology
The invention discloses a lithium ion three-electrode laminate polymer battery. The lithium ion three-electrode laminate polymer battery comprises an aluminum plastic film, a battery cell, a referenceelectrode, electrolyte, a positive electrode lug and a negative electrode lug, wherein one end, inserted into the battery cell, of the reference electrode, is wrapped with a lithium wafer; the positive electrode lug and the negative electrode lug are respectively connected with a positive electrode and a negative electrode of the battery cell by welding; the aluminum plastic film wraps the battery cell and the reference electrode; and the reference electrode extends out of the aluminum plastic film. The lithium ion three-electrode laminate polymer battery disclosed by the invention is easy toproduce, is close to a commercial two-electrode laminate polymer battery in structure and is equivalent to the commercial two-electrode laminate polymer battery in electrolyte amount, so that polarization conditions of the positive and negative electrodes of the three-electrode laminate polymer battery are close to those of the two-electrode laminate polymer battery in the charge/discharge process. Therefore, potentials, which are obtained by a multichannel voltage recorder, of the positive and negative electrodes relative to the reference electrode in the testing process, can reflect potential changes of the positive and negative electrodes of the two-electrode laminate polymer battery in the charge/discharge process, and further the potential changes are used as standards for judging lithium-precipitating potential of the two-electrode laminate polymer battery and have an important effect on a charge design method.
Final product manufactureSmall-sized cells cases/jackets +3
Plastic filmVoltage +6
- Experimental program(4)
|Length||8.0 ~ 13.0||mm|
|Width||5.0 ~ 12.0||mm|
|Thickness||0.5 ~ 1.0||mm|
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