Electrolyte and battery using it
An electrolyte and battery technology, applied in the electrolyte field, can solve problems such as reducing battery characteristics, and achieve the effect of suppressing capacity reduction and reducing self-discharge ratio
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[0090] The storage battery explained in the embodiment was manufactured. The structure of the electrode winding body 20 is as image 3 shown. As electrolyte, use mixed solvent (wherein the volume ratio of ethylene carbonate and dimethyl carbonate is 2: 8); Additive, any one in the compound shown in chemical formula 5~9, chemical formula 11~13 and chemical formula 15 species; and electrolyte salt LiPF 6 mixture. As shown in Table 1 and Table 2, the amount of additives was varied in the range of 0.01 to 1.0 mol / l. The amount of the electrolyte salt is 1 mol / l, which is the amount relative to the solvent. As the cathode material, the active material LiCoO is used 2 ; carbon black (trade name: Ketjen black) as a conductive agent; and polyvinylidene fluoride as a binder, so that the mass ratio thereof is 93:3:4. In addition, as the anode material, a graphitic carbon material with an average particle diameter of 15 μm was used as an active material and polyvinylidene fluoride ...
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