Passivation method of battery piece
A technology of battery sheet and potassium hydroxide, which is applied in the direction of circuits, electrical components, sustainable manufacturing/processing, etc., can solve problems such as battery efficiency decline, and achieve the effect of improving battery sheet efficiency
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[0021] It can be seen from the background art that the efficiency of the cut battery sheet in the prior art needs to be improved.
[0022] refer to figure 1 , a structure of a cut passivated battery sheet includes: a battery sheet 100 , a cutting damage area 104 , an electrode 105 and a passivation layer 107 .
[0023] The battery sheet 100 includes a cutting damage area 104, dangling bonds are formed on the cutting surface, and a passivation layer 107 is directly formed on the cutting surface, which will cause the electron-hole recombination center formed by the dangling bonds to be located in the cutting damage area 104, and the electrons and The holes recombine in the cutting damage region 104 , the efficiency of the battery sheet 100 decreases, and the passivation layer 107 does not play a passivation effect.
[0024] In order to solve the above problems, the present invention provides a cell passivation method, which removes the cutting damage area, electrons and holes r...
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