CN1390894A - Electrically conductive paint for internal surface of battery shell and its preparing process - Google Patents

Electrically conductive paint for internal surface of battery shell and its preparing process Download PDF

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Publication number
CN1390894A
CN1390894A CN 02134252 CN02134252A CN1390894A CN 1390894 A CN1390894 A CN 1390894A CN 02134252 CN02134252 CN 02134252 CN 02134252 A CN02134252 A CN 02134252A CN 1390894 A CN1390894 A CN 1390894A
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CN
China
Prior art keywords
electrically conductive
internal surface
battery shell
conductive paint
resin
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
CN 02134252
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Chinese (zh)
Inventor
赵少玲
宋国麟
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.)
FUQI CHEMICAL CO LTD HUIZHOU
Original Assignee
FUQI CHEMICAL CO LTD HUIZHOU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FUQI CHEMICAL CO LTD HUIZHOU filed Critical FUQI CHEMICAL CO LTD HUIZHOU
Priority to CN 02134252 priority Critical patent/CN1390894A/en
Publication of CN1390894A publication Critical patent/CN1390894A/en
Pending legal-status Critical Current

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  • Conductive Materials (AREA)

Abstract

An electrically conductive paint for the inner surface of battery shell is prepared from one or more of polyurethane resin, acrylic resin and epoxy resin (10-20 wt portions), electric conducting powder (30-50) and organic solvent (30-60) through mixing said resin with disperser, and sequentially adding organic solvent, electric conducting powder and assistant. Its advantages are use of spray coating, high stability and no pollution.

Description

Electrically conductive paint for internal surface of battery shell and preparation method thereof
Technical field
The present invention relates to the paint field field, in more detail electrically conductive paint for internal surface of battery shell.
The invention still further relates to the preparation method of this coating.
Background technology
China's alkaline cell adopts electroplate liquid to carry out electronickelling technology plating to battery case in producing more, and is seriously polluted, and the bore of battery case is little simultaneously, and body is long, can form deep hole, blind hole.Galvanized distribution of current relationship makes inner walls of deep holes be difficult to cover coating fully, equably, and interior wall coating often [approach partially, make the percentage of A-class goods lower, battery electrical property in preservation period descends naturally, and the SC short circuit current is 4-6.
Summary of the invention
The object of the present invention is to provide a kind of electrically conductive paint for internal surface of battery shell, this coating does not need to apply with electro-plating method, and uses the Airless spraying method, and internal surface of battery shell is covered fully, and coating thickness is even, steady quality, and percentage of A-class goods height, pollution-free.
The present invention also aims to provide the preparation method of above-mentioned coating.
The parts by weight of electrically conductive paint for internal surface of battery shell of the present invention are composed as follows:
Resin 10-20
Conducting powder 30-50
Organic solvent 30-60
Described resin be polyurethane resin, acrylic resin, Resins, epoxy one or more.
Described conducting powder is metal powder and/or the carbon dust with electroconductibility, and described metal powder comprises: copper powder, silver powder, nickel powder wherein one or more; Described carbon dust is acetylene carbon black and/or Graphite Powder 99.
Described organic solvent is the solvent of resin, comprises acetone, butanone, chloroform, gasoline or benzene.Wherein butanone is optimal selection.
In order to obtain steady quality, uniform coating, can in coating, add dispersion agent 0.1-1 part weight.
Described dispersion agent is polyurethane resin to be scattered in the solvent and the tensio-active agent that forms colloidal solution.Nonionogenic tenside ethoxylation methyl glucoside stearate for example, the methyl glucoside stearate, lauroyl diethanolamine, propylene glycol monostearate, Arlacel-20, Arlacel-40, Arlacel-60, Arlacel-80, tween 20, Tween-40, Tween-60, tween-80, glyceryl monostearate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene stearic acid ester, sucrose fatty ester, polyethylene oxide-poly(propylene oxide), Brij92, polyoxyethylene (n) cocounut oil acyl thanomin, the polyoxypropylene butyl ether, Protanal Ester SD-LB, BYK163 wherein one or more.The contriver is through dispersant effect the best of exploration discovery commodity BYK163 by name.
In order further to improve the conductivity of coating, can add conductive auxiliary agent 0.5-2 part weight in the coating.The contriver is through the conductive auxiliary agent best results of exploration discovery commodity EFKA781 by name.
The preparation method of coating of the present invention mixes said components, can use.
The blended preferred order is first with polyurethane resin and dispersant, adds organic solvent and conducting powder, adds conductive auxiliary agent at last.
Preparation method's top condition of coating of the present invention is to stir polyurethane resin and mixture of dispersing agents 15-35 minute; Add organic solvent and conducting powder, stirred 5-20 minute, be ground to particle diameter less than 10 microns; Add conductive auxiliary agent, stirred 2-10 minute.
The present invention's advantage compared with prior art is:
(1) Fa Ming electrically conductive paint for internal surface of battery shell makes the production technique of battery change almost free of contamination Airless spraying into by polluting bigger water plating, reaches environmental requirement.
(2) Fa Ming electrically conductive paint for internal surface of battery shell makes the production technique of battery can adopt the Airless spraying method, and coat-thickness is even, steady quality, and the percentage of A-class goods reaches 100%, and SC circuit reaches 14-16.
Embodiment
Stirred 5 kilograms of polyurethane resin and 0.5 kilogram of BYK163 mixture 20 minutes; Add 40 jin of 45 kilograms in acetone and Graphite Powder 99s, stirred 10 minutes, be ground to particle diameter less than 8 microns; Add 1 kilogram of conductive auxiliary agent EFKA781, stirred 5 minutes, filter the dress bag.Can be used for spraying.
Obtain coating property: color black
The outward appearance viscous liquid
Proportion 1.5
Solids content 56% weight
15 ℃ of burning-points
20 ℃ of viscosity 1500cps
Validity period 1 year
Internal surface of battery shell paint film property: color black
Hardness HB
Sticking power 100%
Electroconductibility 1.2 ohm/cm
104 ℃ of heatproofs

Claims (10)

1, a kind of electrically conductive paint for internal surface of battery shell is characterized in that its parts by weight are composed as follows:
Resin 10-20
Conducting powder 30-50
The described resin of organic solvent 30-60 be polyurethane resin, acrylic resin, Resins, epoxy one or more.
2, electrically conductive paint for internal surface of battery shell according to claim 1 is characterized in that described conducting powder is metal powder and/or the carbon dust with electroconductibility.
3, electrically conductive paint for internal surface of battery shell according to claim 2 is characterized in that described metal powder comprises: copper powder, silver powder, nickel powder wherein one or more; Described carbon dust is acetylene carbon black and/or Graphite Powder 99.
4, electrically conductive paint for internal surface of battery shell according to claim 1 and 2 is characterized in that described organic solvent is the solvent of resin, comprises acetone, butanone, chloroform, gasoline or benzene.
5, electrically conductive paint for internal surface of battery shell according to claim 1 and 2 is characterized in that also comprising dispersion agent 0.1-1 part weight, and described dispersion agent is polyurethane resin to be scattered in the solvent and the tensio-active agent that forms colloidal solution.
6, electrically conductive paint for internal surface of battery shell according to claim 1 and 2 is characterized in that described organic solvent is the solvent of resin, comprises acetone, butanone, chloroform, gasoline or benzene; Also comprise dispersion agent 0.1-1 part weight, described dispersion agent is polyurethane resin to be scattered in the solvent and the tensio-active agent that forms colloidal solution.
7, electrically conductive paint for internal surface of battery shell according to claim 5 is characterized in that described dispersion agent is an ethoxylation methyl glucoside stearate, the methyl glucoside stearate, lauroyl diethanolamine, propylene glycol monostearate, Arlacel-20, Arlacel-40, Arlacel-60, Arlacel-80, tween 20, Tween-40, Tween-60, tween-80, glyceryl monostearate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene stearic acid ester, sucrose fatty ester, polyethylene oxide-poly(propylene oxide), Brij92, polyoxyethylene (n) cocounut oil acyl thanomin, the polyoxypropylene butyl ether, Protanal Ester SD-LB wherein one or more.
8, electrically conductive paint for internal surface of battery shell according to claim 1 and 2 is characterized in that also comprising the conductive auxiliary agent EFKA781 of 0.5-2 part weight.
9, the preparation method of the described electrically conductive paint for internal surface of battery shell of claim 1 is characterized in that elder generation with polyurethane resin and dispersant, adds organic solvent and conducting powder, adds conductive auxiliary agent at last.
10, the preparation method of electrically conductive paint for internal surface of battery shell according to claim 9 is characterized in that stirring polyurethane resin and mixture of dispersing agents 15-35 minute; Add organic solvent and conducting powder, stirred 5-20 minute, be ground to particle diameter less than 10 microns; Add conductive auxiliary agent, stirred 2-10 minute.
CN 02134252 2002-06-27 2002-06-27 Electrically conductive paint for internal surface of battery shell and its preparing process Pending CN1390894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02134252 CN1390894A (en) 2002-06-27 2002-06-27 Electrically conductive paint for internal surface of battery shell and its preparing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02134252 CN1390894A (en) 2002-06-27 2002-06-27 Electrically conductive paint for internal surface of battery shell and its preparing process

Publications (1)

Publication Number Publication Date
CN1390894A true CN1390894A (en) 2003-01-15

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CN 02134252 Pending CN1390894A (en) 2002-06-27 2002-06-27 Electrically conductive paint for internal surface of battery shell and its preparing process

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101935489A (en) * 2010-08-24 2011-01-05 中国科学院宁波材料技术与工程研究所 Concave-convex rod conductive coating and preparation method thereof
CN102424740A (en) * 2011-11-25 2012-04-25 珠海天威飞马打印耗材有限公司 Outer layer protective aqueous conductive coating for hard rubber charging roller
CN102558986A (en) * 2011-12-30 2012-07-11 清华大学 Heavy water reactor fuel canning graphite emulsion paint and preparation method thereof
CN102618107A (en) * 2012-03-31 2012-08-01 深圳市贝特瑞纳米科技有限公司 Conductive graphite cream and preparation method thereof
CN102952439A (en) * 2012-11-13 2013-03-06 西安交通大学 Composite carbon conductive coating and preparation method thereof
CN103342913A (en) * 2013-06-17 2013-10-09 哈尔滨工业大学 Conductive coating material for insulating-ceramic electrosparking technology and method for preparing auxiliary electrode by the conductive coating material
CN103396711A (en) * 2013-06-26 2013-11-20 南京市荣达树脂有限公司 Preparation method of conductive resin coating
CN103773178A (en) * 2014-01-20 2014-05-07 南通天明光电科技有限公司 Anticorrosive conductive coating
CN103773181A (en) * 2014-01-20 2014-05-07 南通天明光电科技有限公司 Magnetic-shielding conductive coating
CN104064255A (en) * 2014-05-31 2014-09-24 恒天海龙股份有限公司 Conductive graphite grease for preparing conductive fibers and preparation method thereof as well as method for preparing cellulosic fiber by graphite grease
CN104479476A (en) * 2014-11-18 2015-04-01 安徽创业机电设备有限公司 Method for preparing conductive anticorrosive coating from acrylic acid
CN105754462A (en) * 2016-02-26 2016-07-13 沈阳航天新光集团有限公司 Composite electric heating paint for flexible base material as well as preparation method and use thereof
CN106010155A (en) * 2016-07-14 2016-10-12 夏嘉伟 Composite electromagnetic shielding conductive coating
CN106221560A (en) * 2016-08-03 2016-12-14 代长华 A kind of electrochemical sensor electrodes coating material and preparation method thereof
CN108346759A (en) * 2017-12-28 2018-07-31 江苏海德森能源有限公司 A kind of lithium battery of high intensity and preparation method thereof
CN108816685A (en) * 2018-07-11 2018-11-16 张家港市金帆箱柜有限公司 A kind of anticorrosion process of power battery cabin
CN110534229A (en) * 2019-08-30 2019-12-03 湖南诺尔得材料科技有限公司 A kind of conductive silver paste and the preparation method and application thereof that sintering temperature is low
CN110534228A (en) * 2019-08-30 2019-12-03 湖南诺尔得材料科技有限公司 A kind of conductive nano silver paste and the preparation method and application thereof
CN112409858A (en) * 2020-11-10 2021-02-26 横店集团东磁股份有限公司 Conductive coating for battery case, preparation method and application thereof
CN113843462A (en) * 2021-11-05 2021-12-28 南京航空航天大学 Method for improving wire cut electrical discharge machining efficiency of semiconductor by using chemical plating process

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101935489A (en) * 2010-08-24 2011-01-05 中国科学院宁波材料技术与工程研究所 Concave-convex rod conductive coating and preparation method thereof
CN102424740A (en) * 2011-11-25 2012-04-25 珠海天威飞马打印耗材有限公司 Outer layer protective aqueous conductive coating for hard rubber charging roller
CN102558986B (en) * 2011-12-30 2013-10-16 清华大学 Heavy water reactor fuel canning graphite emulsion paint and preparation method thereof
CN102558986A (en) * 2011-12-30 2012-07-11 清华大学 Heavy water reactor fuel canning graphite emulsion paint and preparation method thereof
CN102618107A (en) * 2012-03-31 2012-08-01 深圳市贝特瑞纳米科技有限公司 Conductive graphite cream and preparation method thereof
CN102618107B (en) * 2012-03-31 2014-10-08 深圳市贝特瑞纳米科技有限公司 Conductive graphite cream and preparation method thereof
CN102952439A (en) * 2012-11-13 2013-03-06 西安交通大学 Composite carbon conductive coating and preparation method thereof
CN103342913A (en) * 2013-06-17 2013-10-09 哈尔滨工业大学 Conductive coating material for insulating-ceramic electrosparking technology and method for preparing auxiliary electrode by the conductive coating material
CN103396711A (en) * 2013-06-26 2013-11-20 南京市荣达树脂有限公司 Preparation method of conductive resin coating
CN103773178A (en) * 2014-01-20 2014-05-07 南通天明光电科技有限公司 Anticorrosive conductive coating
CN103773181A (en) * 2014-01-20 2014-05-07 南通天明光电科技有限公司 Magnetic-shielding conductive coating
CN103773181B (en) * 2014-01-20 2015-11-18 南通天明光电科技有限公司 Magnetic shielding electrically conducting coating
CN104064255A (en) * 2014-05-31 2014-09-24 恒天海龙股份有限公司 Conductive graphite grease for preparing conductive fibers and preparation method thereof as well as method for preparing cellulosic fiber by graphite grease
CN104479476A (en) * 2014-11-18 2015-04-01 安徽创业机电设备有限公司 Method for preparing conductive anticorrosive coating from acrylic acid
CN105754462A (en) * 2016-02-26 2016-07-13 沈阳航天新光集团有限公司 Composite electric heating paint for flexible base material as well as preparation method and use thereof
CN106010155A (en) * 2016-07-14 2016-10-12 夏嘉伟 Composite electromagnetic shielding conductive coating
CN106221560A (en) * 2016-08-03 2016-12-14 代长华 A kind of electrochemical sensor electrodes coating material and preparation method thereof
CN108346759A (en) * 2017-12-28 2018-07-31 江苏海德森能源有限公司 A kind of lithium battery of high intensity and preparation method thereof
CN108816685A (en) * 2018-07-11 2018-11-16 张家港市金帆箱柜有限公司 A kind of anticorrosion process of power battery cabin
CN108816685B (en) * 2018-07-11 2021-07-20 张家港市金帆箱柜有限公司 Anticorrosion technology of power battery compartment
CN110534229A (en) * 2019-08-30 2019-12-03 湖南诺尔得材料科技有限公司 A kind of conductive silver paste and the preparation method and application thereof that sintering temperature is low
CN110534228A (en) * 2019-08-30 2019-12-03 湖南诺尔得材料科技有限公司 A kind of conductive nano silver paste and the preparation method and application thereof
CN112409858A (en) * 2020-11-10 2021-02-26 横店集团东磁股份有限公司 Conductive coating for battery case, preparation method and application thereof
CN112409858B (en) * 2020-11-10 2022-06-07 横店集团东磁股份有限公司 Conductive coating for battery case, preparation method and application thereof
CN113843462A (en) * 2021-11-05 2021-12-28 南京航空航天大学 Method for improving wire cut electrical discharge machining efficiency of semiconductor by using chemical plating process
CN113843462B (en) * 2021-11-05 2023-09-26 南京航空航天大学 Method for improving wire cutting efficiency of semiconductor electric discharge machine by using electroless plating process

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