Adsorption component and battery
A component and adsorbent technology, applied in the field of electrochemistry, can solve the problems such as the inability of aluminum-plastic film packaging to achieve safe use, and the inability to effectively solve the problem of battery gas production.
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example 1
[0047] With 100 microns, polytetrafluoroethylene microporous membrane (i.e. air-permeable membrane, the scanning electron micrograph photo sees that 7 (surface tension is 21dyn / cm) of liquid repellency grade Figure 12 , energy spectrum (EDS) spectrum see Figure 13 )according to figure 1 In the structure shown, 5A calcium ion-type adsorbent (weighed by electronic balance: 3.0g) is packaged and placed in the battery (refer to the structural diagram Figure 9 ) inside, the inside of the battery is evacuated and fully charged to 4.5V, and the gas generation expansion volume test is performed in an 80°C thermostat. The volume of gas generation expansion is tested by the silicone oil discharge method. The specific operation steps are: measure the weight of the battery, then put the battery into the silicone oil and store it at 80°C for 0.5h, measure the initial volume of the battery, and measure the battery after 150h storage at high temperature the final volume of . The final ...
example 2
[0049] Use 25 micron polytetrafluoroethylene microporous membranes with a lyophobic rating of 7 (surface tension 21dyn / cm) according to figure 1 In the structure shown, 5A calcium ion-type adsorbent (weighed by electronic balance: 3.0g) is packaged and placed in the battery (refer to the structural diagram Figure 9 ) inside, the inside of the battery is evacuated, and fully charged to 4.5V, and the gas generation expansion volume test is performed in an 80°C incubator (the specific test method is the same as in Example 1). The final volume change is 10.43cm 3 . The electrolyte completely permeates the gas-permeable membrane and comes into contact with the adsorbent.
example 3
[0051] Using 40 micron polytetrafluoroethylene microporous membrane with lyophobic grade of 7 (surface tension of 21dyn / cm) according to figure 1 In the structure shown, 5A calcium ion-type adsorbent (weighed by electronic balance: 3.0g) is packaged and placed in the battery (refer to the structural diagram Figure 9 ) inside, the inside of the battery is evacuated, and fully charged to 4.5V, and the gas generation expansion volume test is performed in an 80°C incubator (the specific test method is the same as in Example 1). The final volume change is 5.15cm 3 . The electrolyte slightly permeates the gas-permeable membrane and comes into contact with the adsorbent.
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