Alkyd resin modified polymer electrolyte as well as preparation method and application thereof

An alkyd resin and polymer technology, applied in the directions of graft polymer adhesives, amide/imide polymer adhesives, polyether adhesives, etc., can solve the problem of inability to prepare high lithium conductivity and good Mechanical properties of polymer electrolytes, etc.

Active Publication Date: 2019-03-01
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The primary purpose of the present invention is to provide a method for preparing an alkyd resin-modified polymer electrolyte, which overcomes the problem that the above-mentioned prior art cannot prepare a polymer electrolyte with high lithium electrical conductivity and good mechanical properties

Method used

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  • Alkyd resin modified polymer electrolyte as well as preparation method and application thereof
  • Alkyd resin modified polymer electrolyte as well as preparation method and application thereof
  • Alkyd resin modified polymer electrolyte as well as preparation method and application thereof

Examples

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preparation example Construction

[0042] In one embodiment, a method for preparing an alkyd resin modified polymer electrolyte, comprising:

[0043] Alkyd resin with acrylamide, methacrylamide, acrylonitrile, methyl acrylate, methyl methacrylate, monofunctional or multifunctional polyethylene glycol acrylate, monofunctional or multifunctional poly One or more monomers in ethylene glycol methacrylate are copolymerized in an organic solvent under the action of a thermal initiator or a photoinitiator, and then an electrolyte, a plasticizer, an ion non-conductive or Ion-conductive inorganic nanoparticles or nanofibers are uniformly mixed, coated on the surface of the substrate or electrode sheet, and finally heated and cured in the air to obtain an alkyd resin-modified polymer electrolyte;

[0044] Alternatively, dissolve the alkyd resin and the ion-conducting polymer in an organic solvent, add electrolytes, plasticizers, ionically non-conductive or ion-conductive inorganic nanoparticles or nanofibers for blending...

example 1

[0061] A kind of polymer electrolyte modified by alkyd resin, prepared by the method of copolymerization:

[0062] According to the weight ratio, 20 parts of alkyd resin (purchased from Jining Tainuo Chemical Co., Ltd., which is equivalent to X in formula (I) comes from phthalic acid, R 1 is an acrylate group, R 2 α-linolenic acid), 20 parts of methoxy polyethylene glycol acrylate (purchased from Arkema Co., Ltd.) and 1 part of azobisisobutyronitrile initiator were dissolved in 20 parts of tetrahydrofuran, at 60 ° C under nitrogen Reaction in the air for 10h. After cooling to room temperature, add 5 parts of LiClO to the copolymer solution 4 , 4 parts of dioctyl phthalate plasticizer and 30 parts of 200nm silicon dioxide, stirred evenly, scraped and coated on a polytetrafluoroethylene board, cured at 80°C for 5h, and prepared a self-supporting alcohol with a thickness of 100μm Acid resin modified polymer electrolyte. The prepared polymer electrolyte membrane is used in lit...

example 2

[0071] A kind of polymer electrolyte modified by alkyd resin, prepared by the method of copolymerization:

[0072] According to the weight ratio, 15 parts of alkyd resin (purchased from Jining Tainuo Chemical Co., Ltd., which is equivalent to X in formula (I) comes from phthalic acid, R 1 is a methacrylate group, R 2 α-linolenic acid), 30 parts of acrylonitrile (purchased from Arkema Co., Ltd.) and 2 parts of tert-butyl peroxybenzoate initiator were dissolved in 20 parts of acetonitrile, and reacted at 70° C. for 5 h in a nitrogen atmosphere. After cooling to room temperature, add 10 parts of LiClO to the copolymer solution 4, 8 parts of diisodecyl phthalate plasticizer and 20 parts of 50nm zinc oxide, stirred evenly and then scraped onto a polytetrafluoroethylene board, cured at 90 ° C for 8 hours to prepare a self-supporting alcohol with a thickness of 100 μm Acid resin modified polymer electrolyte. The prepared polymer electrolyte membrane is used in lithium ion batterie...

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Abstract

The invention relates to an alkyd resin modified polymer electrolyte as well as a preparation method and application thereof. The preparation method comprises the following steps that alkyd resin andone or more monomers of acrylamide, methacrylamide, acrylonitrile, methyl acrylate, methyl methacrylate and monofunctional or polyfunctional polyethylene glycol acrylate/polyethylene glycol methacrylate are subjected to copolymerization in an organic solvent under the action of an initiator, then an electrolyte body, a plasticizer and ionic non-conductive or ionic conductive inorganic nano-particles or nano-fibers are added into a copolymer, and uniform mixing is carried out so as to obtain the alkyd resin modified polymer electrolyte; or the alkyd resin and an ionic conductive polymer are dissolved in the organic solvent, the electrolyte body, the plasticizer and the ionic non-conductive or ionic conductive inorganic nano-particles or the nano-fibers are added to perform blending, and uniform mixing is carried out so as to obtain the alkyd resin modified polymer electrolyte. The invention provides the novel high-performance polymer electrolyte and the preparation method thereof.

Description

technical field [0001] The invention relates to a polymer electrolyte and its preparation method and application. Background technique [0002] Electrolytes are key to enabling ion conduction inside batteries, capacitors, and electrochromic devices. Electrolytes can be divided into liquid electrolytes, gel electrolytes, and solid electrolytes according to their form. Liquid electrolytes can be divided into aqueous liquid electrolytes and organic liquid electrolytes according to the solvents used. Although liquid electrolytes have relatively high ionic conductivity, there are problems such as leakage. In addition, aqueous liquid electrolytes have the disadvantage of a small voltage window, while organic liquid electrolytes have safety issues such as flammability and explosion. Gel electrolyte is an electrolyte between liquid electrolyte and solid electrolyte, its ionic conductivity is close to that of liquid electrolyte, and its safety is higher than that of liquid electro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J151/08C09J167/08C09J171/02C09J133/26C09J179/02C09J127/16C09J11/04C09J11/06C09J9/02C08F283/01C08F222/14C08F220/44
CPCC08F283/01C08K2003/2227C08K2003/2241C08K2003/2296C08K2201/001C08K2201/011C09J9/02C09J11/04C09J11/06C09J127/16C09J151/08C09J167/08C08K3/16C08K5/12C08K3/36C08K3/22C08K5/11C08L71/02C08L33/26C08L79/02C08L67/08C08K7/08C08F222/102
Inventor 杨诚胡盛逾
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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