Patent ID: 9716288
Date: 2017-07-25
CPC Classifications: H01M,Y02E,Y02P,Y10T

Claim:
1. A rechargeable lithium battery, comprising: a positive electrode comprising from about 35 mg/cm a negative electrode comprising a negative active material; a liquid electrolyte comprising a lithium salt and a non-aqueous organic solvent; and a separator interposed between the negative electrode and the positive electrode and comprising a support and a fluoro-based polymer layer on each side of the support which is adapted to interface with the negative electrode or the positive electrode, the thickness of the fluoro-based polymer layer being from about 2 μm to about 6 μm, wherein the positive electrode further comprises a binder selected from the group consisting of polyvinylalcohol, carboxylmethylcellulose, hydroxypropylcellulose, diacetylcellulose, polyvinylchloride, carboxylated polyvinylchloride, polyvinylfluoride, an ethylene oxide-containing polymer, polyvinylpyrrolidone, polyurethane, polytetrafluoroethylene, polyvinylidene fluoride, polyethylene, polypropylene, a styrene-butadiene rubber, an acrylated styrene-butadiene rubber, an epoxy resin, nylon, and combinations thereof.