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Charging and discharging process of lithium battery

Time:Dec 12, 2022 Views:933





The power supply charges the battery. At this time, the electron e on the positive pole runs from the external circuit to the negative pole. The positive lithium ion Li+"jumps" into the electrolyte from the positive pole, "crawls" through the winding holes in the diaphragm, "swims" to the negative pole, and is combined with the running electrons.



The reaction on the positive electrode is LiMn2O4==Li1-xMn2O4+Xli++Xe (electron)




The reaction on the negative electrode is 6C+XLi+Xe==LixC6





When the battery is discharged, the electron e on the negative pole runs from the external circuit to the positive pole, and the positive lithium ion Li+"jumps" into the electrolyte from the negative pole, "crawls" through the winding holes in the diaphragm, "swims" to the positive pole, and is combined with the electrons that have already run over.




The reaction on the positive electrode is Li1-xMn2O4+xli++xe (electron)==LiMn2O4




The reaction on the negative electrode is LixC6==6C+xLi+xe


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