High-temperature lithium ion power battery and making method thereof

High-temperature lithium ion power battery and making method thereof

  • CN 106,450,047 A
  • Filed: 10/17/2016
  • Published: 02/22/2017
  • Est. Priority Date: 10/17/2016
  • Status: Active Application
First Claim
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1. a kind of high temperature lithium-ion-power cell, including positive pole, barrier film, negative pole, electrolyte and shell it is characterised in that:

  • DescribedThe active substance of positive pole is LiFePO4, and carbon coating of lithium iron phosphate is 3 ~ 5nm;

    Plus plate current-collecting body is utter misery aluminium foil;

    Barrier film is coated separator, and diaphragm matrix is polypropylene, and coating is pottery;

    Negative pole is Delanium, and Delanium is 1 particle of calcining petroleum coke, and degree of graphitization is 90 ~ 95%;

    Electrolyte includes organic solvent and additive, and described organic solvent is 30 ~ 35% ethylene carbonate, 30 ~ 50% carbonic acidThe mixed solution of the diethyl carbonate of methyl ethyl ester, 5 ~ 10% Allyl carbonate and 5 ~ 40%, additive is 2 ~ 2.5% carbonic acid AsiaVinyl acetate;

    Enclosure is covered with 0.3 ~ 0.5 μ

    m of silica gel.

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