A kind of electrolyte solution for secondary battery and preparation method thereof
A secondary battery and electrolyte technology, which is applied in the field of electrolyte, can solve the problems of poor uniformity, long internal formation time of lead-acid batteries, impervious formation, etc., and achieve improved stability, good battery capacity consistency, and improved performance Effect
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Embodiment 1
[0018] An electrolyte solution for a secondary battery, comprising the following raw materials in parts by weight: 25 parts of acid sulfate, 58 parts of solvent, and 8 parts of additives; Prepared by mixing at a ratio of 2:3; the solvent is water and maleic acid, tetrahydrofurfuryl alcohol, boric acid solution, porphyrin, acrylic acid, dibutyl carbonate, amyl acetate, polyvinylpyrrolidone iodine, triethyl phosphate , one or more compositions in water glass; the additive includes the following raw materials in parts by weight: 4 parts of lithium borate dioxalate, 1 part of ethylene sulfite, 2 parts of sodium chromate, carboxymethyl shell 2 parts polysaccharide, 3 parts sodium selenate, 2 parts potassium clavulanate.
[0019] A method for preparing an electrolyte solution for a secondary battery, comprising the following steps: (1) firstly weigh each raw material according to the above formula, and set aside; (2) then add acid sulfate and a solvent into the reaction kettle in se...
Embodiment 2
[0021] An electrolyte solution for a secondary battery, comprising the following raw materials in parts by weight: 32 parts of acid sulfate, 70 parts of solvent, and 11 parts of additives; the acid sulfate is composed of sodium bisulfate and potassium hydrogen sulfate Prepared by mixing at a ratio of 2:3; the solvent is water and maleic acid, tetrahydrofurfuryl alcohol, boric acid solution, porphyrin, acrylic acid, dibutyl carbonate, amyl acetate, polyvinylpyrrolidone iodine, triethyl phosphate , one or more compositions in water glass; the additive includes the following raw materials in parts by weight: 8 parts of lithium borate dioxalate, 3 parts of ethylene sulfite, 5 parts of sodium chromate, carboxymethyl shell 5 parts polysaccharide, 7 parts sodium selenate, 5 parts potassium clavulanate.
[0022] A method for preparing an electrolyte solution for a secondary battery, comprising the following steps: (1) First, weigh each raw material according to the above formula, and ...
Embodiment 3
[0024] An electrolyte solution for a secondary battery, comprising the following raw materials in parts by weight: 29 parts of acid sulfate, 62 parts of solvent, and 10 parts of additive; Prepared by mixing at a ratio of 2:3; the solvent is water and maleic acid, tetrahydrofurfuryl alcohol, boric acid solution, porphyrin, acrylic acid, dibutyl carbonate, amyl acetate, polyvinylpyrrolidone iodine, triethyl phosphate , one or more compositions in water glass; the additive includes the following raw materials in parts by weight: 6 parts of lithium borate dioxalate, 2 parts of ethylene sulfite, 2.5 parts of sodium chromate, carboxymethyl shell 3 parts polysaccharide, 4.6 parts sodium selenate, 3.1 parts potassium clavulanate.
[0025] A method for preparing an electrolyte solution for a secondary battery, comprising the following steps: (1) firstly weigh each raw material according to the above formula, and set aside; (2) then add acid sulfate and solvent into the reaction kettle ...
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