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Lithium iron phosphate series
Positive electrode reaction: lithium ions are embedded during discharge, and lithium ions are de embedded during charging. When charging: LiFePO4 → Li1-xFePO4+xLi++xe - When discharging: Li1-xFePO4+xLi++xe - → LiFePO4
negative electrode
Negative electrode material: mostly graphite is used. New research has found that titanate may be a better material. Negative electrode reaction: lithium ion detachment during discharge and lithium ion insertion during charging. When charging: xLi++xe -+6C → When discharging: LixC6 → xLi++xe -+6C
Lithium cobalt oxide series
The reaction that occurs on the positive electrode is
LiCoO2=Charging=Li1-xCoO2+XLi++Xe-
Li1-xCoO2+XLi++Xe -=discharge=LiCoO2
The reaction that occurs on the negative electrode is
6C+XLi++Xe -=Charging=LixC6
LixC6=discharge=6C+XLi++Xe-
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