CN107181002A - Electrolysis additive - Google Patents

Electrolysis additive Download PDF

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Publication number
CN107181002A
CN107181002A CN201710567646.1A CN201710567646A CN107181002A CN 107181002 A CN107181002 A CN 107181002A CN 201710567646 A CN201710567646 A CN 201710567646A CN 107181002 A CN107181002 A CN 107181002A
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CN
China
Prior art keywords
parts
electrolyte
additive
battery
crystallization water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710567646.1A
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Chinese (zh)
Inventor
冯相士
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Will Amperex Technology Ltd
Original Assignee
Hunan Will Amperex Technology Ltd
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Filing date
Publication date
Application filed by Hunan Will Amperex Technology Ltd filed Critical Hunan Will Amperex Technology Ltd
Priority to CN201710567646.1A priority Critical patent/CN107181002A/en
Publication of CN107181002A publication Critical patent/CN107181002A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0567Liquid materials characterised by the additives
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention provides electrolysis additive, and each component mass parts of the additive are:10 parts of alundum (Al2O3), 1 part of magnesia, 5 parts of biphenyl, N, 6 parts of N dimethyl trifluoroacetamide, 20 parts of crown ether, 15 parts of triethyl phosphate, 10 parts of hexamethyl phosphonitrile, 5 parts of carbonate, 3 parts of HOPG, 5 parts of Super P, 5 parts of ethylene sulfite;By the crystalline solid of combinations thereof under vacuum conditions high temperature drying or remove the crystallization water;Then enclosed package, under the protection of inert gas will to remove the raw material after the crystallization water add in electrolyte rabbling mechanism, and electrolyte stirs together.Battery performance is had no side effect using the additive after scheme, does not occur side reaction with constituting the other materials of battery, is readily soluble in organic electrolyte, cost of material is low, small toxicity.

Description

Electrolysis additive
Technical field
The present invention relates to technical field of lithium batteries, electrolysis additive is referred in particular to.
Background technology
With the fast development of China's economy, battery new material demand is continuously increased, along with mobile phone, notebook electricity The products such as brain, digital camera, video camera, automobile are to the solid demand of new, efficient environment-friendly battery material, China's battery green wood Material market will constantly expand.Put into effect successively in lithium battery relevant policies simultaneously and promote industry upstream and downstream firms like the mushrooms after rain Set up.Lithium battery is mainly made up of positive electrode, negative material, barrier film and electrolyte etc., and electrolyte is mainly by lithium salts and organic Carbonic ester is constituted, and is referred to as the blood of battery.Electrolyte be connect positive and negative electrode bridge, inside battery play transmission from The effect of son and conduction electric current.Therefore, influence highly significant of the electrolyte properties to battery performance, electrolyte composition and performance Optimization to improve lithium ion battery performance have very important significance.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide it is a kind of battery performance is had no side effect, easily it is molten In organic electrolyte, cost of material be low, small toxicity electrolysis additive.
To achieve the above object, technical scheme provided by the present invention is:Electrolysis additive, each group of the additive Part mass parts are:10-20 parts of alundum (Al2O3), 1-8 parts of magnesia, 5-12 parts of biphenyl, N, N- dimethyl trifluoroacetamides 6-11 Part, 20-25 parts of crown ether, 15-20 parts of triethyl phosphate, 10-12 parts of hexamethyl phosphonitrile, 5-8 parts of carbonate, 3-5 parts of HOPG, 5-10 parts of Super P, 5-13 parts of ethylene sulfite;
By the crystalline solid of combinations thereof under vacuum conditions high temperature drying or remove the crystallization water;Then enclosed package, in indifferent gas The raw material after the crystallization water will be removed under the protection of body to add in electrolyte rabbling mechanism, and electrolyte together stirs.
The additive of this programme has no side effect to battery performance, does not occur side reaction with constituting the other materials of battery, holds Organic electrolyte is soluble in, cost of material is low, small toxicity.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Embodiment
With reference to all accompanying drawings, the invention will be further described, and presently preferred embodiments of the present invention is:Referring to accompanying drawing 1,
Embodiment 1:
Electrolysis additive described in the present embodiment, each component mass parts of the additive are:10 parts of alundum (Al2O3), oxidation 1 part of magnesium, 5 parts of biphenyl, N, 6 parts of N- dimethyl trifluoroacetamide, 20 parts of crown ether, 15 parts of triethyl phosphate, 10 parts of hexamethyl phosphonitrile, 5 parts of carbonate, 3 parts of HOPG, 5 parts of Super P, 5 parts of ethylene sulfite;
By the crystalline solid of combinations thereof under vacuum conditions high temperature drying or remove the crystallization water;Then enclosed package, in indifferent gas The raw material after the crystallization water will be removed under the protection of body to add in electrolyte rabbling mechanism, and electrolyte together stirs.
The carbonate, HOPG of the present embodiment are used for the cycle efficieny and reversible capacity that improve battery;
Conductive carbon black Super P are used to improve the dissolving and ionization of electric conducting lithium salt and prevent solvent from inserting the destruction to electrode altogether;
Triethyl phosphate, hexamethyl phosphonitrile are used to reduce battery heat release value and battery spontaneous combustion rate and the heat of increase electrolyte itself is steady It is qualitative;
N, N- dimethyl trifluoroacetamide are used to improve battery cryogenic property.
Electrolyte rabbling mechanism includes Agitation Tank 1, and Agitation Tank 1 is provided with the liquid injection pipe 4 being engaged with battery, Agitation Tank 1 top one end is provided with bottom of chamber in membrane filtration piece 3, Agitation Tank 1 provided with auxiliary material addition bucket 2 between auxiliary material addition bucket 2 and Agitation Tank 1 Portion is provided with aeration tube 5, and the aeration tube 5 in Agitation Tank 1 is provided with several nozzles 6, and the one end of aeration tube 5 passes through Agitation Tank 1 It is connected with inert gas generator 7, the inner chamber side of Agitation Tank 1 is provided with probe tube 8, and probe tube 8 is provided with sample tap 9, with liquid The bottom of tank 1, which is provided with liquid outlet, liquid outlet, is provided with film filter 10, and the outlet of film filter 10 is connected with liquid injection pipe 4.This implementation The additive of example has no side effect to battery performance, does not occur side reaction with constituting the other materials of battery, is readily soluble in Organic Electricity Liquid is solved, cost of material is low, small toxicity.
Embodiment 2:
The each component mass parts of additive described in the present embodiment are:15 parts of alundum (Al2O3), 4 parts of magnesia, 9 parts of biphenyl, N, 8 parts of N- dimethyl trifluoroacetamide, 22 parts of crown ether, 18 parts of triethyl phosphate, 11 parts of hexamethyl phosphonitrile, 7 parts of carbonate, HOPG 4 Part, 8 parts of Super P, 9 parts of ethylene sulfite;
Embodiment described above is only the preferred embodiments of the invention, and the practical range of the present invention is not limited with this, therefore all The change made according to the shape of the present invention, principle, all should cover within the scope of the present invention.

Claims (1)

1. electrolysis additive, it is characterised in that:The each component mass parts of the additive are:10-20 parts of alundum (Al2O3), oxygen Change 1-8 parts of magnesium, 5-12 parts of biphenyl, N, 6-11 parts of N- dimethyl trifluoroacetamides, 20-25 parts of crown ether, triethyl phosphate 15-20 Part, 10-12 parts of hexamethyl phosphonitrile, 5-8 parts of carbonate, 3-5 parts of HOPG, 5-10 parts of Super P, ethylene sulfite 5-13 Part;
By the crystalline solid of combinations thereof under vacuum conditions high temperature drying or remove the crystallization water;Then enclosed package, in indifferent gas The raw material after the crystallization water will be removed under the protection of body to add in electrolyte rabbling mechanism, and electrolyte together stirs.
CN201710567646.1A 2017-07-12 2017-07-12 Electrolysis additive Pending CN107181002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710567646.1A CN107181002A (en) 2017-07-12 2017-07-12 Electrolysis additive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710567646.1A CN107181002A (en) 2017-07-12 2017-07-12 Electrolysis additive

Publications (1)

Publication Number Publication Date
CN107181002A true CN107181002A (en) 2017-09-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710567646.1A Pending CN107181002A (en) 2017-07-12 2017-07-12 Electrolysis additive

Country Status (1)

Country Link
CN (1) CN107181002A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102361097A (en) * 2011-11-14 2012-02-22 中国海洋石油总公司 Preparation method of low-temperature electrolyte for lithium iron phosphate power battery
CN102593517A (en) * 2012-04-09 2012-07-18 山东鸿正电池材料科技有限公司 Non-aqueous electrolyte for lithium iron phosphate battery
CN104752768A (en) * 2015-04-21 2015-07-01 宁波维科电池股份有限公司 Electrolyte solution for lithium titanate battery and lithium titanate battery thereof
CN105190983A (en) * 2013-03-27 2015-12-23 株式会社杰士汤浅国际 Non-aqueous electrolyte secondary cell
CN105514492A (en) * 2016-01-05 2016-04-20 苏州氟特电池材料股份有限公司 Electrolyte used for lithium ion battery
CN105938919A (en) * 2016-07-08 2016-09-14 南方科技大学 Electrolyte containing inorganic additive and lithium-ion battery containing electrolyte
US20160268635A1 (en) * 2015-03-12 2016-09-15 Samsung Sdi Co., Ltd. Organic electrolytic solution and lithium battery including the same
WO2016182598A1 (en) * 2015-05-11 2016-11-17 Eaglepicher Technologies, Llc An electrolyte, a battery including the same, and methods of reducing electrolyte flammability
CN106450460A (en) * 2016-12-09 2017-02-22 中国科学院物理研究所 Lithium ion battery electrolyte additive, electrolyte thereof, preparation method and battery

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102361097A (en) * 2011-11-14 2012-02-22 中国海洋石油总公司 Preparation method of low-temperature electrolyte for lithium iron phosphate power battery
CN102593517A (en) * 2012-04-09 2012-07-18 山东鸿正电池材料科技有限公司 Non-aqueous electrolyte for lithium iron phosphate battery
CN105190983A (en) * 2013-03-27 2015-12-23 株式会社杰士汤浅国际 Non-aqueous electrolyte secondary cell
US20160268635A1 (en) * 2015-03-12 2016-09-15 Samsung Sdi Co., Ltd. Organic electrolytic solution and lithium battery including the same
CN104752768A (en) * 2015-04-21 2015-07-01 宁波维科电池股份有限公司 Electrolyte solution for lithium titanate battery and lithium titanate battery thereof
WO2016182598A1 (en) * 2015-05-11 2016-11-17 Eaglepicher Technologies, Llc An electrolyte, a battery including the same, and methods of reducing electrolyte flammability
CN105514492A (en) * 2016-01-05 2016-04-20 苏州氟特电池材料股份有限公司 Electrolyte used for lithium ion battery
CN105938919A (en) * 2016-07-08 2016-09-14 南方科技大学 Electrolyte containing inorganic additive and lithium-ion battery containing electrolyte
CN106450460A (en) * 2016-12-09 2017-02-22 中国科学院物理研究所 Lithium ion battery electrolyte additive, electrolyte thereof, preparation method and battery

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Application publication date: 20170919