Lithium iron phosphate flexible packed lithium ionic cell
A lithium-ion battery and lithium iron phosphate technology, which is applied in secondary batteries, battery electrodes, circuits, etc., can solve the problems of unreliable safety performance, high price, and low battery capacity, and achieve improved capacity, safety performance, and cost-effectiveness High and safe effect
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[0023] The lithium ferrous phosphate soft-packed lithium ion battery provided by the present invention includes an electrolyte, a positive electrode material and a negative electrode material. The following are respectively explained:
[0024] 1. Electrolyte formula:
[0025] The applicant has developed a preferred electrolyte for lithium ion batteries using lithium manganate as the positive electrode material in patent application No. 200910037477.6. Its formula components are: LiBOB (Lithium bis (oxalate) borate, lithium bisoxalate borate) ), PS (Phenyl sulfone, phenyl sulfone), BS (butene sulfite), EC (Ethylenecarbonate), PC (Propylene carbonate), EMC (Dimethylcarbonate), LiPF 6 (Lithium hexafluorophosphate), VC (Vinylene carbonate), the main feature of the electrolyte formulation is to improve the capacity and safety performance of lithium ion batteries, for those of ordinary skill in the field of electrochemistry, this electrolyte The improvement of safety performance c...
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