Electrolyte of flame-retarded lithium ion battery
A lithium-ion battery and electrolyte technology, applied in secondary batteries, secondary battery repair/maintenance, circuits, etc., can solve problems such as restricting the large-scale development of power batteries, reducing conductivity, and capacity loss.
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Embodiment 1
[0015] in an argon-filled glove box (H 2 O6 ), its concentration is 1M, accounts for 12.5% of total weight, the weight ratio of the add-on of additive fluorocarbonate (FEC) in electrolyte is 3%, the add-on of additive fluorobenzene (FB) in electrolyte The weight ratio is 2%. Add in order according to the above amount, stir well, and then add the nitrogen-containing and fluorine-containing additive CNCH 2 CHFCH 2 CH 2 CN, the weight ratio of the added amount in the electrolyte is 3%, and the lithium-ion battery electrolyte of the present invention can be obtained by continuing to fully stir.
Embodiment 2
[0017] in an argon-filled glove box (H 2 O6 ), its concentration is 1M, accounting for 12.5% of the total weight, the weight ratio of the addition of additive FEC in the electrolyte is 3%, and the weight ratio of the addition of additive FB in the electrolyte is 2%. Add in order according to the above amount, stir well, and then add the nitrogen-containing and fluorine-containing additive CNCH 2 CHFCHFCH 2 CN, the weight ratio of the added amount in the electrolyte is 5%. Continue to fully stir to obtain the lithium ion battery electrolyte of the present invention.
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