FIELD: cathodes having complex between active cathode material surface and aliphatic nitrile joint; electrochemical devices with such cathode.
SUBSTANCE: proposed electrochemical device has complex between active cathode material and aliphatic nitrile joint; anode provided with passivating layer formed by joint chosen of group of vinylene carbonate, its derivative, and ether compounds; and electrolyte solution incorporating lithium salt and solvent.
EFFECT: enhanced battery safety at recharge and/or physical impact onto battery surface.
12 cl, 19 dwg, 3 tbl
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