A kind of gel electrolyte battery and preparation method thereof
A technology of gel electrolyte and gel electrolyte, applied in the manufacture of electrolyte batteries, non-aqueous electrolyte batteries, non-aqueous electrolytes, etc., can solve the problems of lithium dendrites piercing the diaphragm, achieve good cycle performance, reduce gas production, growth inhibitory effect
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Embodiment 1
[0057] The ester electrolyte described in this example: the solute is LiNO 3 and KNO 3 The mixed material obtained by mixing at a mass ratio of 1:1, the solvent is ethylene carbonate;
[0058] Gel electrolyte: the solute is LiPF 6 The mixed material obtained by mixing with LFSI at a mass ratio of 1:1, the solvent is a mixed solution obtained by mixing FEC, EMC and DEC at a mass ratio of 1:1:1, and the additives are VC, PS and NaODFB at a mass ratio of 1:1:1 The mixture obtained by mixing, the semi-solid composition is the mixture (mass ratio is 2:1) of butyl acrylate (monomer) and azobisisobutyronitrile (initiator), and the content of described azobisisoheptonitrile is condensed. 2wt% of the total mass of the gel electrolyte, and the content of the additive is 6wt% of the total mass of the gel electrolyte;
[0059] The negative pole piece described in this embodiment is a lithium piece; the preparation process of the positive pole piece described in this embodiment includes...
Embodiment 2
[0065] The ester electrolyte described in this example: the solute is LiNO 3 , KNO3 and NaNO 3 The mixture obtained by mixing by mass ratio 1:1:1, the solvent is the mixture obtained by mixing ethylene carbonate and ethyl methyl carbonate by mass ratio 1:1;
[0066] The gel electrolyte in this example: the solute is LiPF 6 The mixture obtained by mixing with LTFSI in a mass ratio of 1:1, the solvent is the mixture obtained by mixing EC, FEC, EMC, DEC and DMC in a mass ratio of 0.8:0.5:0.6:0.3:0.8, and the additive is VC, PS and LiBOB in a mass ratio The mixture obtained by mixing 1:1:1, the semi-solid component is a mixture of butyl acrylate (monomer) and azobisisoheptonitrile (mass ratio is 2:1), and the content of the azobisisoheptonitrile is 3 wt % of the total mass of the gel electrolyte, and the content of the additive is 5 wt % of the total mass of the gel electrolyte.
[0067] The negative pole piece described in this embodiment is a lithium piece; the preparation pr...
Embodiment 3
[0071] The ester electrolyte described in this example: the solute is LiNO 3 and KNO 3 The mixed material obtained by mixing at a mass ratio of 1:1, the solvent is ethyl methyl carbonate;
[0072] The gel electrolyte in this example: the solute is LiPF 6 The mixed material obtained by mixing with LFSI in a mass ratio of 1:1, the solvent is a mixed solution obtained by mixing EC, PC, FEC, EMC, DEC and DMC in a mass ratio of 1:1:1:1:1:1, and the additive is VC , PS and PST are mixed by mass ratio 1:1:1, the semi-solid component is the mixture of methyl methacrylate (monomer) and azobisisobutyronitrile (mass ratio is 3:1), the described The content of azobisisoheptanenitrile is 1.5wt% of the total mass of the gel electrolyte, and the content of the additive is 6wt% of the total mass of the gel electrolyte;
[0073] The negative pole piece described in this embodiment is a lithium piece; the preparation process of the positive pole piece described in this embodiment includes: t...
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Abstract
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