CN108183268A - A kind of water base lithium battery of safety anti-explosive fire prevention - Google Patents

A kind of water base lithium battery of safety anti-explosive fire prevention Download PDF

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Publication number
CN108183268A
CN108183268A CN201711471114.4A CN201711471114A CN108183268A CN 108183268 A CN108183268 A CN 108183268A CN 201711471114 A CN201711471114 A CN 201711471114A CN 108183268 A CN108183268 A CN 108183268A
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water
cyclodextrin
lithium battery
safety anti
weight
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文仁光
吴堪
张龙
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Shenzhen Hope Silicone Technology Co Ltd
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Shenzhen Hope Silicone Technology Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C08F226/12—N-Vinylcarbazole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

A kind of safety anti-explosive is prevented fires water base lithium battery, is coated with the electrode of one layer of organophilic gel film by surface and water based electrolyte forms；The organophilic gel film is using the host-guest interaction between the nitrogenous five-membered ring of vinyl imidazole and cyclodextrin macrocyclic compound, is prepared with reference to atom transfer radical polymerization (ATRP) principle；The water contact angle of the organophilic gel film can reach 150 °；The water based electrolyte is the lithium salts LiBETI by the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio is dissolved into aqueous solvent simultaneously to be obtained.It can not only restrain oneself 2.4 ~ 3.7 volt of the voltage equal with the commercial li-ion battery using organic solvent using the water base lithium battery of safety anti-explosive of the present invention fire prevention, electronic equipment can also further be met, and cell voltage has to 4.0 volts of standard at work, and the lithium ion battery being also equipped with than commercial type greatly shortens the time, realizes quick charge, electric discharge（6 minutes）The advantages of.

Description

A kind of water base lithium battery of safety anti-explosive fire prevention
Technical field
The invention belongs to Electrochemical Engineering and process unit field, belong to lithium ion battery electrolyte aspect, more specifically It is to be related to a kind of electrode organophilic gel film of the water base lithium battery of new type of safe anti-explosion fire, for cobalt nickel lithium manganate ternary material （NCM）, LiFePO4（LFP）Deng the lithium ion battery for anode.
Background technology
Lithium ion battery as can store electric energy and if necessary discharge electric energy light-duty high-performance accumulator, it is extensive Applied to the articles for daily use such as portable terminal device and the accumulating system in multi industries field, lithium battery is gradually to electricity at present The fields such as dynamic bicycle, electric vehicle are expanded.The electrolyte that lithium ion battery uses at present all adds special organic solvent, Organic solvent is not only inflammable, it is explosive cause fire and explosion accident, it is also toxic, it is worrying in the event of an accident can be to human body Harmful effect is generated with environment.
Invention content
The technical problem to be solved in the present invention is：The electrolyte that existing lithium ion battery uses is overcome to use organic molten The defects of agent is inflammable, explosive, toxic, safety is low provides a kind of safety anti-explosive fire prevention water base lithium battery, not only solves lithium ion The inflammable, explosive, poisonous safety issue of the long-standing electrolyte of battery, and can restrain oneself and the commercialization using organic solvent 2.4 ~ 3.7 volts equal of voltage of lithium ion battery, can also further meeting electronic equipment, cell voltage is necessary at work Want 4.0 volts of standard.
In order to solve the above-mentioned technical problem, the present invention proposes following technical scheme：A kind of water base lithium electricity of safety anti-explosive fire prevention Pond is coated with the electrode of one layer of organophilic gel film by surface and water based electrolyte forms；
The organophilic gel film is to utilize the Subjective and Objective between the nitrogenous five-membered ring of vinyl imidazole and cyclodextrin macrocyclic compound Effect is prepared with reference to atom transfer radical polymerization (ATRP) principle；
The water contact angle of the organophilic gel film can reach 150 °；
The preparation method of the organophilic gel film includes the following steps：
Step 1：By vinyl imidazole (VI), cyclodextrin macrocyclic compound, double bond containing organic monomer and crosslinking agent in beaker It is uniformly mixed；
Step 2：Initiator is added in, reacts 30-60min at 60 DEG C；
Step 3：Catalyst reaction 10-30min is added in, promotes the formation of gel；
Step 4：Low-surface energy substance is dissolved in n-hexane, is added in the gel obtained by step 3, is taken for 60 DEG C after reaction 12h Go out drying；
The content of the vinyl imidazole (VI) is 1~40 parts by weight；
The cyclodextrin macrocyclic compound content is 1~40 parts by weight；
The double bond containing organic monomer is one or more mixtures in following substance：Acrylamide, isopropyl propylene Amide, phenyl allyloxy, styrene, heptene, oleyl amine, oleic acid, methyl methacrylate, hydroxypropyl acrylate, butyl acrylate, methyl Octadecyl acrylate etc., content are 20~90 parts by weight；
The content of crosslinking agent is 1~20 parts by weight；
The initiator content is 0.01~5 parts by weight；
The catalyst content is 0.001~2 parts by weight；
The low-surface energy substance is one or more mixtures in following substance：Methyltriethoxysilane, hexadecane Base trimethoxy silane, trichloromethyl silane, trim,ethylchlorosilane, 1H, 1H, 2H, 2H- perfluoro decyl trichlorosilanes, trifluoropropyl Ylmethyl cyclotrisiloxane etc., content are 0.002~10 parts by weight；
The water based electrolyte is the lithium salts LiBETI by the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio It is dissolved into aqueous solvent and obtains simultaneously.
Further limit of above-mentioned technical proposal is that the cyclodextrin macrocyclic compound is one kind in following substance Or a variety of mixture：α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin and based on cyclodextrin synthetic.
Further limit of above-mentioned technical proposal is that the crosslinking agent is the mixing of one or both of following substance Object：Acrylic acid, bisacrylamide.
Further limit of above-mentioned technical proposal be, the initiator is one or more mixed in following substance Close object：Ammonium Persulfate 98.5, azodiisobutyronitrile, bromoethyl acetate, potassium bichromate, dibenzoyl peroxide.
Further limit of above-mentioned technical proposal is that the catalyst is one or more mixing in following substance Object：1,10- Phen, cuprous bromide, tetramethylethylenediamine.
Further limit of above-mentioned technical proposal is that the concentration of the water based electrolyte has reached 29M, and LiBETI is 22M, LiOTfFor 7M.
Compared with prior art, the present invention has following advantageous effect：
1st, the electrolyte solution why liquid based on water is not suitable as lithium ion battery is because water usually pressurizes Hydrogen and oxygen can be resolved into during to 1.2 volts.But a kind of water base lithium battery of new type of safe anti-explosion fire of the present invention, it not only can be with Restrain oneself the voltage of the 2.4-3.7 volt equal with the commercial li-ion battery using organic solvent, can also further meet electronics Cell voltage has to 4.0 volts of standard to equipment at work, and be also equipped with than commercial type lithium ion battery significantly Shorten the time, realize quick charge, electric discharge（6 minutes）The advantages of.
2nd, compared to organic electrolyte solution, aqueous electrolyte solution is nonflammable, securely and reliably, environmentally protective, has more Application prospect can solve the inflammable and explosive safety issue of the long-standing electrolyte of lithium ion battery.
3rd, the present invention can greatly speed up opening for the electric vehicle for requiring safety and low price and household large size accumulator Hair, and the electric system for the IoT epoch brings major transformation.
Description of the drawings
Fig. 1 is using lithium ion as the cobalt nickel lithium manganate ternary material to electrode（NCM）In lithium ion battery water system electrolyte Typical charging and discharging curve in solution.
Fig. 2 is using lithium ion as the LiFePO4 to electrode（LFP）Material is in lithium ion battery water system electrolyte solution Cycle performance.
Specific embodiment
The present invention proposes a kind of water base lithium battery of safety anti-explosive fire prevention, and the electrode of one layer of organophilic gel film is coated with by surface It is formed with water based electrolyte.
The organophilic gel film is to utilize the master between the nitrogenous five-membered ring of vinyl imidazole and cyclodextrin macrocyclic compound Object acts on, and is prepared with reference to atom transfer radical polymerization (ATRP) principle.
The water contact angle of the organophilic gel film can reach 150 °.
The preparation method of the organophilic gel film includes the following steps：
Step 1：By vinyl imidazole (VI), cyclodextrin macrocyclic compound, double bond containing organic monomer and crosslinking agent in beaker It is uniformly mixed；
Step 2：Initiator is added in, reacts 30-60min at 60 DEG C；
Step 3：Catalyst reaction 10-30min is added in, promotes the formation of gel；
Step 4：Low-surface energy substance is dissolved in n-hexane, is added in the gel obtained by step 3, is taken for 60 DEG C after reaction 12h Go out drying.
The content of the vinyl imidazole (VI) is 1~40 parts by weight.
The cyclodextrin macrocyclic compound is one or more mixtures in following substance：α-cyclodextrin, β- Cyclodextrin, γ-cyclodextrin and based on cyclodextrin synthetic, content is 1~40 parts by weight.
The double bond containing organic monomer is one or more mixtures in following substance：Acrylamide, isopropyl Acrylamide, phenyl allyloxy, styrene, heptene, oleyl amine, oleic acid, methyl methacrylate, hydroxypropyl acrylate, butyl acrylate, Octadecyl methacrylate etc., content are 20~90 parts by weight.
Mixture of the crosslinking agent for one or both of following substance：Acrylic acid, bisacrylamide, Content is 1~20 parts by weight.
The initiator is one or more mixtures in following substance：Ammonium Persulfate 98.5, azodiisobutyronitrile, bromine For ethyl acetate, potassium bichromate, dibenzoyl peroxide, content is 0.01~5 parts by weight.
The catalyst is one or more mixtures in following substance：1,10- Phen, cuprous bromide, four Methyl ethylenediamine, content are 0.001~2 parts by weight.
The low-surface energy substance is one or more mixtures in following substance：Methyltriethoxysilane, ten Six alkyl trimethoxysilanes, trichloromethyl silane, trim,ethylchlorosilane, 1H, 1H, 2H, 2H- perfluoro decyl trichlorosilanes, three Fluoropropyl methyl cyclotrisiloxane etc., content are 0.002~10 parts by weight.
The water based electrolyte is the lithium salts LiBETI by the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 rubs You obtain than being dissolved into aqueous solvent simultaneously.
The concentration of the water based electrolyte has reached 29M, LiBETI 22M, LiOTfFor 7M.
Embodiment 1
Take vinyl imidazole (VI：1g), β-cyclodextrin (20g), double bond containing organic monomer（Hydroxypropyl acrylate）(HPA, 20g), crosslinking agent bisacrylamide (MBAA, 5g), initiator Ammonium Persulfate 98.5 (APS, 1g), catalyst tetramethylethylenediamine Above-mentioned reactant is added in beaker and is uniformly mixed, 30min is reacted in water-bath by (TMEDA, 0.5g), and reaction temperature is 60℃.After gel-forming, take out spare.
By 1g low-surface energy substances（Trichloromethyl silane）It is dissolved in 50mL n-hexanes, and gel is placed in the solution In, react 60 DEG C of taking-up drying after 12h.
By the lithium salts LiBETI containing the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio is dissolved into water simultaneously In solvent, unique double lithium salts water system electrolyte solutions are formd, are defined as WIBS.
Unique double lithium salts water system electrolyte solutions greatly improved the concentration of double lithium salts electrolyte, reach 29M, Wherein LiBETI is 22M, LiOTfFor 7M.The aqueous electrolyte WIBS of the present invention is obtained, is assembled WIBS as electrolyte NCM/WIBS/C-TiO2The NCM cobalt nickel lithium manganate ternary materials of lithium ion structure battery, wherein organophilic gel cladding are anode, The C-TiO of organophilic gel cladding2Carbon-titanium dioxide is cathode, and WIBS is electrolyte.
Embodiment 2
Take vinyl imidazole (VI：40g), β-cyclodextrin (1g), double bond containing organic monomer（Hydroxypropyl acrylate）(HPA, 40g), crosslinking agent bisacrylamide (MBAA, 1g), initiator Ammonium Persulfate 98.5 (APS, 0.01g), catalyst tetramethyl second two Above-mentioned reactant is added in beaker and is uniformly mixed by amine (TMEDA, 0.001g), and 30min, reaction temperature are reacted in water-bath Spend is 60 DEG C.After gel-forming, take out spare.
By 3g low-surface energy substances（Trichloromethyl silane）It is dissolved in 50mL n-hexanes, and gel is placed in the solution In, react 60 DEG C of taking-up drying after 12h.
By the lithium salts LiBETI containing the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio is dissolved into water simultaneously In solvent, unique double lithium salts water system electrolyte solutions are formd, are defined as WIBS.
Unique double lithium salts water system electrolyte solutions greatly improved the concentration of double lithium salts electrolyte, reach 29M, Wherein LiBETI is 22M, LiOTfFor 7M.The aqueous electrolyte WIBS of the present invention is obtained, is assembled WIBS as electrolyte NCM/WIBS/C-TiO2The NCM cobalt nickel lithium manganate ternary materials of lithium ion structure battery, wherein organophilic gel cladding are anode, The C-TiO of organophilic gel cladding2Carbon-titanium dioxide is cathode, and WIBS is electrolyte.
Embodiment 3
Take vinyl imidazole (VI：10g), β-cyclodextrin (30g), double bond containing organic monomer（Hydroxypropyl acrylate）(HPA, 90g), crosslinking agent bisacrylamide (MBAA, 10g), initiator Ammonium Persulfate 98.5 (APS, 3g), catalyst tetramethylethylenediamine Above-mentioned reactant is added in beaker and is uniformly mixed, 30min is reacted in water-bath by (TMEDA, 1.5g), and reaction temperature is 60℃.After gel-forming, take out spare.
By 10g low-surface energy substances（Trichloromethyl silane）It is dissolved in 50mL n-hexanes, and gel is placed in the solution In, react 60 DEG C of taking-up drying after 12h.
By the lithium salts LiBETI containing the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio is dissolved into water simultaneously In solvent, unique double lithium salts water system electrolyte solutions are formd, are defined as WIBS.
Unique double lithium salts water system electrolyte solutions greatly improved the concentration of double lithium salts electrolyte, reach 29M, Wherein LiBETI is 22M, LiOTfFor 7M.The aqueous electrolyte WIBS of the present invention is obtained, is assembled WIBS as electrolyte NCM/WIBS/C-TiO2The NCM cobalt nickel lithium manganate ternary materials of lithium ion structure battery, wherein organophilic gel cladding are anode, The C-TiO of organophilic gel cladding2Carbon-titanium dioxide is cathode, and WIBS is electrolyte.
Embodiment 4
Take vinyl imidazole (VI：30g), β-cyclodextrin (40g), double bond containing organic monomer（Hydroxypropyl acrylate）(HPA, 70g), crosslinking agent bisacrylamide (MBAA, 15g), initiator Ammonium Persulfate 98.5 (APS, 5g), catalyst tetramethylethylenediamine Above-mentioned reactant is added in beaker and is uniformly mixed, 30min, reaction temperature 60 are reacted in water-bath by (TMEDA, 2g) ℃.After gel-forming, take out spare.
By 0.002g low-surface energy substances（Trichloromethyl silane）It is dissolved in 50mL n-hexanes, and gel is placed in this In solution, 60 DEG C of taking-up drying after 12h are reacted.
By the lithium salts LiBETI containing the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio is dissolved into water simultaneously In solvent, unique double lithium salts water system electrolyte solutions are formd, are defined as WIBS.
Unique double lithium salts water system electrolyte solutions greatly improved the concentration of double lithium salts electrolyte, reach 29M, Wherein LiBETI is 22M, LiOTfFor 7M.The aqueous electrolyte WIBS of the present invention is obtained, is assembled WIBS as electrolyte NCM/WIBS/C-TiO2The NCM cobalt nickel lithium manganate ternary materials of lithium ion structure battery, wherein organophilic gel cladding are anode, The C-TiO of organophilic gel cladding2Carbon-titanium dioxide is cathode, and WIBS is electrolyte.
Embodiment 5
Take vinyl imidazole (VI：20g), β-cyclodextrin (10g), double bond containing organic monomer（Hydroxypropyl acrylate）(HPA, 60g), crosslinking agent bisacrylamide (MBAA, 20g), initiator Ammonium Persulfate 98.5 (APS, 4g), catalyst tetramethylethylenediamine Above-mentioned reactant is added in beaker and is uniformly mixed, 30min, reaction temperature 60 are reacted in water-bath by (TMEDA, 1g) ℃.After gel-forming, take out spare.
By 7g low-surface energy substances（Trichloromethyl silane）It is dissolved in 50mL n-hexanes, and gel is placed in the solution In, react 60 DEG C of taking-up drying after 12h.
By the lithium salts LiBETI containing the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio is dissolved into water simultaneously In solvent, unique double lithium salts water system electrolyte solutions are formd, are defined as WIBS.
Unique double lithium salts water system electrolyte solutions greatly improved the concentration of double lithium salts electrolyte, reach 29M, Wherein LiBETI is 22M, LiOTfFor 7M.The aqueous electrolyte WIBS of the present invention is obtained, is assembled WIBS as electrolyte NCM/WIBS/C-TiO2The NCM cobalt nickel lithium manganate ternary materials of lithium ion structure battery, wherein organophilic gel cladding are anode, The C-TiO of organophilic gel cladding2Carbon-titanium dioxide is cathode, and WIBS is electrolyte.
The effect of above example：Lithium ion battery water system electrolyte solution is prepared in above-mentioned technical process, passes through group It dresses up as NCM/WIBS/C-TiO2And LFP/WIBS/C-TiO2Wait lithium ions structure battery, through experiment test, lithium of the invention from Sub- battery water system electrolyte solution can restrain oneself 4.0 volt of the voltage equal with the commercial li-ion battery using organic solvent, And the lithium ion battery being also equipped with than commercial type greatly shortens the time, realizes quick charge, electric discharge（6 minutes）It is excellent Point.
The significant role of above example：The water base lithium battery of new type of safe anti-explosion fire is prepared in above-mentioned technical process, It can solve the inflammable and explosive safety issue of the long-standing electrolyte of lithium ion battery.
The stability of above example：The water base lithium battery of new type of safe anti-explosion fire is prepared in above-mentioned technical process, leads to It crosses and is assembled into NCM/WIBS/C-TiO2And LFP/WIBS/C-TiO2Lithium ions structure battery is waited, through experiment test, use is novel The water base lithium battery of safety anti-explosive fire prevention can not only restrain oneself 2.4 ~ 3.7 equal with the commercial li-ion battery using organic solvent The voltage of volt, can also further meeting electronic equipment, cell voltage has to 4 volts of standard at work, can significantly improve Lithium ion battery specific discharge capacity reaches 500MAh/g, and keeps 95% high coulombic efficiency and the long-term stable circulation of 800 times Property.

Claims (6)

  1. The water base lithium battery 1. a kind of safety anti-explosive is prevented fires, which is characterized in that it is coated with the electricity of one layer of organophilic gel film by surface Pole and water based electrolyte composition；
    The organophilic gel film is to utilize the Subjective and Objective between the nitrogenous five-membered ring of vinyl imidazole and cyclodextrin macrocyclic compound Effect is prepared with reference to atom transfer radical polymerization (ATRP) principle；
    The water contact angle of the organophilic gel film can reach 150 °；
    The preparation method of the organophilic gel film includes the following steps：
    Step 1：By vinyl imidazole (VI), cyclodextrin macrocyclic compound, double bond containing organic monomer and crosslinking agent in beaker It is uniformly mixed；
    Step 2：Initiator is added in, reacts 30-60min at 60 DEG C；
    Step 3：Catalyst reaction 10-30min is added in, promotes the formation of gel；
    Step 4：Low-surface energy substance is dissolved in n-hexane, is added in the gel obtained by step 3, is taken for 60 DEG C after reaction 12h Go out drying；
    The content of the vinyl imidazole (VI) is 1~40 parts by weight；
    The cyclodextrin macrocyclic compound content is 1~40 parts by weight；
    The double bond containing organic monomer is one or more mixtures in following substance：Acrylamide, isopropyl propylene Amide, phenyl allyloxy, styrene, heptene, oleyl amine, oleic acid, methyl methacrylate, hydroxypropyl acrylate, butyl acrylate, methyl Octadecyl acrylate etc., content are 20~90 parts by weight；
    The content of crosslinking agent is 1~20 parts by weight；
    The initiator content is 0.01~5 parts by weight；
    The catalyst content is 0.001~2 parts by weight；
    The low-surface energy substance is one or more mixtures in following substance：Methyltriethoxysilane, hexadecane Base trimethoxy silane, trichloromethyl silane, trim,ethylchlorosilane, 1H, 1H, 2H, 2H- perfluoro decyl trichlorosilanes, trifluoropropyl Ylmethyl cyclotrisiloxane etc., content are 0.002~10 parts by weight；
    The water based electrolyte is the lithium salts LiBETI by the crystallization water（H2O）2.0With anhydrous lithium salts LiOTfWith 3:1 molar ratio It is dissolved into aqueous solvent and obtains simultaneously.
  2. The water base lithium battery 2. a kind of safety anti-explosive according to claim 1 is prevented fires, which is characterized in that the cyclodextrin is big Cycle compound is one or more mixtures in following substance：α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin and base In cyclodextrin synthetic.
  3. The water base lithium battery 3. a kind of safety anti-explosive according to claim 1 is prevented fires, which is characterized in that under the crosslinking agent is The mixture of one or both of row substance：Acrylic acid, bisacrylamide.
  4. The water base lithium battery 4. a kind of safety anti-explosive according to claim 1 is prevented fires, which is characterized in that the initiator is One or more mixtures in following substance：Ammonium Persulfate 98.5, azodiisobutyronitrile, bromoethyl acetate, potassium bichromate, mistake Aoxidize dibenzoyl.
  5. The water base lithium battery 5. a kind of safety anti-explosive according to claim 1 is prevented fires, which is characterized in that under the catalyst is One or more mixtures in row substance：1,10- Phen, cuprous bromide, tetramethylethylenediamine.
  6. The water base lithium battery 6. a kind of safety anti-explosive according to claim 1 is prevented fires, which is characterized in that the water based electrolyte Concentration reached 29M, LiBETI 22M, LiOTfFor 7M.
CN201711471114.4A 2017-12-29 2017-12-29 A kind of water base lithium battery of safety anti-explosive fire prevention Pending CN108183268A (en)

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CHONGYIN YANG ET AL: "4.0 V Aqueous Li-Ion Batteries", 《JOULE》 *
XUJIONG WANG: "An Aqueous Rechargeable Lithium Battery Using Coated Li Metal as Anode", 《SCIENTIFIC REPORTS》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112635765A (en) * 2020-12-17 2021-04-09 中国科学院宁波材料技术与工程研究所 Metal lithium battery cathode, preparation method thereof and lithium secondary battery
CN112635765B (en) * 2020-12-17 2022-03-01 中国科学院宁波材料技术与工程研究所 Metal lithium battery cathode, preparation method thereof and lithium secondary battery

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Application publication date: 20180619