CN104393303A - Lithium titanate battery using waterborne binder - Google Patents
Lithium titanate battery using waterborne binder Download PDFInfo
- Publication number
- CN104393303A CN104393303A CN201410733785.3A CN201410733785A CN104393303A CN 104393303 A CN104393303 A CN 104393303A CN 201410733785 A CN201410733785 A CN 201410733785A CN 104393303 A CN104393303 A CN 104393303A
- Authority
- CN
- China
- Prior art keywords
- high polymer
- polymer binder
- lithium titanate
- binder
- type high
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
Abstract
The invention discloses a lithium titanate battery using a waterborne binder. The waterborne binder used for the battery is a macromolecule binder which has hydrophilia and is joined with any one or two of a carboxyl group and a hydroxy group; the molecular weight of the macromolecule binder is 200000-1000000; the macromolecule binder comprises any one or more than one of a polyacrylic acid type macromolecule binder, a phenolic resin type macromolecule binder, a rubber type liquid emulsion macromolecule binder, an epoxy resin macromolecule binder, a polyurethane type macromolecule binder and a carboxymethylcellulose macromolecule binder. According to the lithium titanate battery using the waterborne binder, the used waterborne binder has a good dispersion effect; the battery is high in reversible capacity, is good in cycling stability, and can charge and discharge at high multiplying power; moreover, the preparation process is simple and feasible, is low in cost, and has no environment pollution.
Description
Technical field
The present invention relates to a kind of lithium ion battery, particularly, relate to a kind of lithium titanate battery using aqueous binders.
Background technology
At present, along with environmental protection becomes world theme, clean energy resource is paid much attention at once, and various countries are devoted to the research of clean energy resource.Lithium ion battery as energy density in commercial batteries the highest become clean energy resource development an important directions.The fast development of the clean energy resource electric automobile being with tesla of the U.S. facilitates the research heat wave of lithium ion battery especially.In recent years, spinel type lithium titanate has excellent cyclical stability because of it compared with material with carbon element, and the feature of fail safe and " zero strain " is widely used as the negative material of lithium ion battery.
The binding agent that current lithium titanate lithium ion battery adopts is mainly Kynoar (PVDF), needs with an organic solvent 1-METHYLPYRROLIDONE (NMP) to be solvent, carry out electrode preparation by organic slurry technique in actual production.But not only easily swelling in organic solvent and its electronic and ionic poorly conductive of PVDF; Volatile, the inflammable and explosive and toxicity of organic solvent NMP is large, and when lithium titanate lithium ion battery adopts organic slurry simultaneously, technique wants the moisture in strictly controlled environment, causes process costs elevated ambient pressures greatly, does not meet the demand for development of green industry.
Summary of the invention
The object of this invention is to provide a kind of lithium titanate lithium ion battery, use aqueous binders, preparation process is simple, reduces process costs, and environmental protection.
In order to achieve the above object, the invention provides a kind of lithium titanate battery using aqueous binders, wherein, the aqueous binders that this battery uses is high polymer binder; Described high polymer binder has hydrophily, described high polymer binder is connected to any one or two kinds in carboxylic group and oh group.If do not have above-mentioned hydrophilic radical, then this binding agent cannot realize at the electrode using water for the preparation of lithium titanate lithium ion battery under the prerequisite of solvent.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, the molecular weight of described high polymer binder is 200000-1000000.When high polymer binder molecular weight is less than 200000, cannot play the fixation that effectively bonds to electrode material, when high polymer binder molecular weight is greater than 1000000, the dissolubility in water can be deteriorated, and cannot use as aqueous binders.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described high polymer binder comprise in polyacrylie-type high polymer binder, phenolic resin type high polymer binder, rubber-type emulsion glue high polymer binder, epoxide resin type high polymer binder, polyurethane-type high polymer binder and carboxymethyl cellulose type high polymer binder any one or more than one.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described high polymer binder is preferably polyacrylie-type high polymer binder.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described polyacrylie-type high polymer binder be preferably in polyacrylic acid and polyacrylate any one or more than one.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described polyacrylie-type high polymer binder preferably comprise in polyacrylic acid (PAA), Lithium polyacrylate (LiPAA), Sodium Polyacrylate (NaPAA) and poly acrylic acid-poly acrylonitrile copolymer (PAA-PAN) etc. any one or more than one.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described phenolic resin type high polymer binder is preferably resol resins.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described epoxide resin type high polymer binder is preferably aqueous epoxy resins.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described polyurethane-type high polymer binder preferably comprise in polyaminoester emulsion, vinyl urethane emulsion, polyisocyanate emulsion and blocked polyurethane emulsion etc. any one or more than one.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described carboxymethyl cellulose type high polymer binder be preferably in carboxymethyl cellulose and carboxymethyl cellulose salt any one or more than one.More preferably carboxymethyl cellulose (CMC) or sodium carboxymethylcellulose (CMCNa) etc.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described rubber-type emulsion glue high polymer binder is preferably butadiene-styrene rubber (SBR) etc.
The lithium titanate battery of above-mentioned use aqueous binders, wherein, described high polymer binder also can be preferably in above-mentioned high polymer binder two or more, as PAA-PAN-SBR, CMC-SBR, PAA-LiPAA-SBR etc.
The lithium titanate battery of use aqueous binders provided by the invention has the following advantages:
1. the dispersion effect of the aqueous binders of the present invention's use is good.
2. use the lithium titanate lithium ion battery reversible capacity of aqueous binders high, good cycling stability, and can high rate charge-discharge.
3. preparation process is simple, and cost is low, non-environmental-pollution.
Accompanying drawing explanation
Fig. 1 a is the scanning electron microscope (SEM) photograph of the lithium titanate battery comparative example using Kynoar.
Fig. 1 b is the scanning electron microscope (SEM) photograph of the lithium titanate battery embodiment of use aqueous binders of the present invention.
Fig. 2 is the lithium titanate battery of use aqueous binders of the present invention and the multiplying power property figure of comparative example.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
The lithium titanate battery of use aqueous binders provided by the invention, wherein, the aqueous binders that this battery uses is high polymer binder; This high polymer binder has hydrophily, high polymer binder is connected to any one or two kinds in carboxylic group and oh group.If do not have above-mentioned hydrophilic radical, then this binding agent cannot realize at the electrode using water for the preparation of lithium titanate lithium ion battery under the prerequisite of solvent.
The molecular weight of high polymer binder is 200000-1000000.When high polymer binder molecular weight is less than 200000, cannot play the fixation that effectively bonds to electrode material, when high polymer binder molecular weight is greater than 1000000, the dissolubility in water can be deteriorated, and cannot use as aqueous binders.
High polymer binder comprise in polyacrylie-type high polymer binder, phenolic resin type high polymer binder, rubber-type emulsion glue high polymer binder, epoxide resin type high polymer binder, polyurethane-type high polymer binder and carboxymethyl cellulose type high polymer binder any one or more than one.
High polymer binder is preferably polyacrylie-type high polymer binder.Polyacrylie-type high polymer binder be preferably in polyacrylic acid and polyacrylate any one or more than one.Polyacrylie-type high polymer binder preferably comprise in polyacrylic acid (PAA), Lithium polyacrylate (LiPAA), Sodium Polyacrylate (NaPAA) and poly acrylic acid-poly acrylonitrile copolymer (PAA-PAN) etc. any one or more than one.
Phenolic resin type high polymer binder is preferably resol resins.
Epoxide resin type high polymer binder is preferably aqueous epoxy resins.
Polyurethane-type high polymer binder preferably comprise in polyaminoester emulsion, vinyl urethane emulsion, polyisocyanate emulsion and blocked polyurethane emulsion etc. any one or more than one.
Carboxymethyl cellulose type high polymer binder be preferably in carboxymethyl cellulose and carboxymethyl cellulose salt any one or more than one.More preferably carboxymethyl cellulose (CMC) or sodium carboxymethylcellulose (CMCNa) etc.
Rubber-type emulsion glue high polymer binder is preferably butadiene-styrene rubber (SBR) etc.
High polymer binder also can be preferably in above-mentioned high polymer binder two or more, as PAA-PAN-SBR, CMC-SBR, PAA-LiPAA-SBR etc.
The lithium titanate battery of use aqueous binders provided by the invention, its chemical property can utilize battery test system (tester as: CT2001A, Wuhan Lan electricity company) to measure.
Below in conjunction with embodiment the present invention done and further describe.
Embodiment 1
Get mass fraction be 20% polyacrylic acid (PAA) (molecular weight is 1000000) aqueous solution 1g be placed in 2g deionized water.Magnetic stirring apparatus stirs about 1h, treats to dissolve completely, add 0.2g Super-P, continue to stir 2h, finally add lithium titanate 1.6g and stir 18h, be coated on aluminium foil by gained slurry, thickness is 100 μm.Then be placed in inside 80 DEG C of convection oven and dry, then transfer to 120 DEG C of vacuum drying ovens, preserve 36h, punching claims sheet 120 DEG C of vacuum preservation 12h again, adds electrolyte and dresses up button cell, leave standstill 12 ~ 36h.
Embodiment 2
Get mass fraction be 85% PAA-PAN(molecular weight be 800000) 0.235g is dissolved in 2g deionized water.Magnetic stirring apparatus stirs about 1h, treats to dissolve completely, add 0.2g Super-P, continue to stir 2h, finally add lithium titanate 1.6g and stir 18h, be coated on aluminium foil by gained slurry, thickness is 100 μm.Then be placed in inside 80 DEG C of convection oven and dry, then transfer to 120 DEG C of vacuum drying ovens, preserve 36h, punching claims sheet 120 DEG C of vacuum preservation 12h again, adds electrolyte and dresses up button cell, leave standstill 12 ~ 36h.
Embodiment 3
Get mass fraction be 10% Lithium polyacrylate (LiPAA) (molecular weight is 600000) aqueous solution 2g be dissolved in 2.5g deionized water and stir about 1h on magnetic stirring apparatus, treat to dissolve completely, add 0.2g Super-P, continue to stir 2h, finally add 1.6g lithium titanate and stir 12 ~ 18h, be coated on aluminium foil by gained slurry, thickness is 100 um.Then be placed in inside 80 DEG C of convection oven and dry, then transfer to 120 DEG C of vacuum drying ovens, preserve 36h, punching claims sheet 120 DEG C of vacuum preservation 12h again, adds electrolyte and dresses up button cell, leave standstill 12 ~ 36h.
Embodiment 4
Get 0.1g molecular weight be 200000 sodium carboxymethylcellulose (CMC) (molecular weight is 400000) be dissolved in 5g deionized water.Magnetic stirring apparatus stirs about 1h, treats to dissolve completely, add 0.1g conductive agent (Super-P), continue to stir 2h, then add lithium titanate 0.8g stirring 2h, finally add SBR and stir 12h, be coated on aluminium foil by gained slurry, thickness is 100 μm.Then be placed in inside 80 DEG C of convection oven and dry, then transfer to 120 DEG C of vacuum drying ovens, preserve 36h, punching claims sheet 120 DEG C of vacuum preservation 12h again, adds electrolyte and dresses up button cell, leave standstill 12 ~ 36h.
Embodiment 5
Get mass fraction be 20% PAA(molecular weight be 200000) 0.5g, and mass fraction be 10% Lithium polyacrylate (LiPAA) (molecular weight is 300000) aqueous solution 1g be dissolved in 2g deionized water.Magnetic stirring apparatus stirs about 1h, treats to dissolve completely, add 0.2g Super-P, continue to stir 2h, add lithium titanate 1.6g and stir 2h, finally add SBR and stir 12h, be coated on aluminium foil by gained slurry, thickness is 100 μm.Then be placed in inside 80 DEG C of convection oven and dry, then transfer to 120 DEG C of vacuum drying ovens, preserve 36h, punching claims sheet 120 DEG C of vacuum preservation 12h again, adds electrolyte and dresses up button cell, leave standstill 12 ~ 36h.
Comparative example
Get 0.2g Kynoar (PVDF) and be placed in 1-METHYLPYRROLIDONE, utilize about magnetic stirrer 1h, treat to dissolve completely, add 0.2g Super-P, continue to stir 2h, finally add lithium titanate 1.6g and stir 1h, be coated on aluminium foil by gained slurry, thickness is 100 μm.Then be placed in inside 80 DEG C of convection oven and dry, then transfer to 120 DEG C of vacuum drying ovens, preserve 36h, punching claims sheet 120 DEG C of vacuum preservation 12h again, adds electrolyte and dresses up button cell, leave standstill 12 ~ 36h.
ESEM (SEM) figure of the lithium titanate pole piece of comparative example and embodiment 1 gained is see shown in Fig. 1 a and Fig. 1 b, and wherein Fig. 1 a is comparative example, and Fig. 1 b is embodiment 1.
Gained battery is carried out electro-chemical test, first 0.2C discharge and recharge 2 then 1C discharge and recharges.Carry out charge-discharge test according to multiplying powers such as 0.2C, 0.5C, 1C, 5C again, wherein with the lithium titanate battery that PVDF and PAA is binding agent, namely the multiplying power property of comparative example and embodiment 1 is shown in Figure 2.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. use a lithium titanate battery for aqueous binders, it is characterized in that, the aqueous binders that this battery uses is high polymer binder; Described high polymer binder has hydrophily, described high polymer binder is connected to any one or two kinds in carboxylic group and oh group.
2. the lithium titanate battery using aqueous binders as claimed in claim 1, it is characterized in that, the molecular weight of described high polymer binder is 200000-1000000.
3. the lithium titanate battery using aqueous binders as claimed in claim 2, it is characterized in that, described high polymer binder comprise in polyacrylie-type high polymer binder, phenolic resin type high polymer binder, rubber-type emulsion glue high polymer binder, epoxide resin type high polymer binder, polyurethane-type high polymer binder and carboxymethyl cellulose type high polymer binder any one or more than one.
4. the as claimed in claim 3 lithium titanate battery using aqueous binders, is characterized in that, described polyacrylie-type high polymer binder be in polyacrylic acid and polyacrylate any one or more than one.
5. the lithium titanate battery using aqueous binders as claimed in claim 4, it is characterized in that, described polyacrylie-type high polymer binder comprise in polyacrylic acid, Lithium polyacrylate, Sodium Polyacrylate and poly acrylic acid-poly acrylonitrile copolymer any one or more than one.
6. the lithium titanate battery using aqueous binders as claimed in claim 3, it is characterized in that, described phenolic resin type high polymer binder is resol resins.
7. the lithium titanate battery using aqueous binders as claimed in claim 3, it is characterized in that, described epoxide resin type high polymer binder is aqueous epoxy resins.
8. the lithium titanate battery using aqueous binders as claimed in claim 3, it is characterized in that, described polyurethane-type high polymer binder comprise in polyaminoester emulsion, vinyl urethane emulsion, polyisocyanate emulsion and blocked polyurethane emulsion any one or more than one.
9. the as claimed in claim 3 lithium titanate battery using aqueous binders, is characterized in that, described carboxymethyl cellulose type high polymer binder be in carboxymethyl cellulose and carboxymethyl cellulose salt any one or more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410733785.3A CN104393303A (en) | 2014-12-05 | 2014-12-05 | Lithium titanate battery using waterborne binder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410733785.3A CN104393303A (en) | 2014-12-05 | 2014-12-05 | Lithium titanate battery using waterborne binder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104393303A true CN104393303A (en) | 2015-03-04 |
Family
ID=52611167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410733785.3A Pending CN104393303A (en) | 2014-12-05 | 2014-12-05 | Lithium titanate battery using waterborne binder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104393303A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226291A (en) * | 2015-10-27 | 2016-01-06 | 苏州宽温电子科技有限公司 | A kind of environment-friendly water-based binding agent and preparation method thereof |
| WO2017079868A1 (en) * | 2015-11-09 | 2017-05-18 | Robert Bosch Gmbh | Novel cathode and lithium ion rechargeable cells |
| CN107452938A (en) * | 2016-06-01 | 2017-12-08 | 宁德新能源科技有限公司 | Negative plate and lithium ion battery |
| CN107611344A (en) * | 2017-09-17 | 2018-01-19 | 亚士创能科技(上海)股份有限公司 | The dual cross-linked binder of lithium battery silicon based anode material, lithium battery silicon based anode material and preparation method, GND and lithium battery |
| CN108886149A (en) * | 2016-04-08 | 2018-11-23 | 出光兴产株式会社 | adhesive for electrochemical element |
| CN109698349A (en) * | 2018-12-05 | 2019-04-30 | 上海空间电源研究所 | Preparation method suitable for the binder of high capacity silicon-based anode, cathode and high specific energy lithium ion battery |
| CN109792040A (en) * | 2016-10-13 | 2019-05-21 | 宁德新能源科技有限公司 | Cathode additive agent and pole piece and electrochemical energy storage device containing the additive |
| CN110993884A (en) * | 2019-12-06 | 2020-04-10 | 联动天翼新能源有限公司 | Lithium ion battery negative electrode slurry, preparation method, negative electrode plate and battery |
| CN114824161A (en) * | 2022-03-30 | 2022-07-29 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070026313A1 (en) * | 2005-07-27 | 2007-02-01 | Youko Sano | Non-aqueous electrolyte secondary battery |
| CN102044661A (en) * | 2009-10-23 | 2011-05-04 | 比克国际(天津)有限公司 | Method for preparing lithium ion battery slurry |
| CN103242595A (en) * | 2012-02-09 | 2013-08-14 | 三星Sdi株式会社 | Composite binder for battery, and anode and battery including the composite |
| CN103474623A (en) * | 2013-09-13 | 2013-12-25 | 东莞新能源科技有限公司 | Preparation method of negative electrode piece and electrochemical device |
| CN103855360A (en) * | 2014-02-27 | 2014-06-11 | 宁德新能源科技有限公司 | Lithium ion battery, negative electrode pole piece and preparation method of lithium ion battery |
| CN103904290A (en) * | 2012-12-28 | 2014-07-02 | 华为技术有限公司 | Aqueous lithium ion battery composite electrode, preparation method of composite electrode and aqueous lithium ion battery |
-
2014
- 2014-12-05 CN CN201410733785.3A patent/CN104393303A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070026313A1 (en) * | 2005-07-27 | 2007-02-01 | Youko Sano | Non-aqueous electrolyte secondary battery |
| CN102044661A (en) * | 2009-10-23 | 2011-05-04 | 比克国际(天津)有限公司 | Method for preparing lithium ion battery slurry |
| CN103242595A (en) * | 2012-02-09 | 2013-08-14 | 三星Sdi株式会社 | Composite binder for battery, and anode and battery including the composite |
| CN103904290A (en) * | 2012-12-28 | 2014-07-02 | 华为技术有限公司 | Aqueous lithium ion battery composite electrode, preparation method of composite electrode and aqueous lithium ion battery |
| CN103474623A (en) * | 2013-09-13 | 2013-12-25 | 东莞新能源科技有限公司 | Preparation method of negative electrode piece and electrochemical device |
| CN103855360A (en) * | 2014-02-27 | 2014-06-11 | 宁德新能源科技有限公司 | Lithium ion battery, negative electrode pole piece and preparation method of lithium ion battery |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226291A (en) * | 2015-10-27 | 2016-01-06 | 苏州宽温电子科技有限公司 | A kind of environment-friendly water-based binding agent and preparation method thereof |
| CN105226291B (en) * | 2015-10-27 | 2017-06-13 | 河北晨阳工贸集团有限公司 | A kind of environment-friendly water-based binding agent and preparation method thereof |
| WO2017079868A1 (en) * | 2015-11-09 | 2017-05-18 | Robert Bosch Gmbh | Novel cathode and lithium ion rechargeable cells |
| CN108886149A (en) * | 2016-04-08 | 2018-11-23 | 出光兴产株式会社 | adhesive for electrochemical element |
| CN107452938A (en) * | 2016-06-01 | 2017-12-08 | 宁德新能源科技有限公司 | Negative plate and lithium ion battery |
| CN107452938B (en) * | 2016-06-01 | 2020-10-02 | 宁德新能源科技有限公司 | Negative plate and lithium ion battery |
| CN109792040A (en) * | 2016-10-13 | 2019-05-21 | 宁德新能源科技有限公司 | Cathode additive agent and pole piece and electrochemical energy storage device containing the additive |
| CN109792040B (en) * | 2016-10-13 | 2024-03-08 | 宁德新能源科技有限公司 | Negative electrode additive, pole piece containing same and electrochemical energy storage device |
| CN107611344A (en) * | 2017-09-17 | 2018-01-19 | 亚士创能科技(上海)股份有限公司 | The dual cross-linked binder of lithium battery silicon based anode material, lithium battery silicon based anode material and preparation method, GND and lithium battery |
| CN109698349A (en) * | 2018-12-05 | 2019-04-30 | 上海空间电源研究所 | Preparation method suitable for the binder of high capacity silicon-based anode, cathode and high specific energy lithium ion battery |
| CN110993884A (en) * | 2019-12-06 | 2020-04-10 | 联动天翼新能源有限公司 | Lithium ion battery negative electrode slurry, preparation method, negative electrode plate and battery |
| CN114824161A (en) * | 2022-03-30 | 2022-07-29 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104393303A (en) | Lithium titanate battery using waterborne binder | |
| CN102760883B (en) | Novel chitosan used for lithium ion cell and derivative water-based binder of chitosan | |
| CN105504169B (en) | A kind of binding agent for lithium ion battery | |
| US8906548B2 (en) | Actinic and electron beam radiation curable electrode binders and electrodes incorporating same | |
| CN107482221B (en) | Polymer crosslinked binder and preparation method and application thereof | |
| CN109301248B (en) | Battery negative plate, preparation method thereof and lithium ion battery | |
| CN109004220B (en) | Boric acid compound modified lithium ion battery silicon cathode and preparation method thereof | |
| CN108470884B (en) | Lithium ion battery electrode prepared from water-based binder | |
| CN103396500A (en) | Natural polymer derivative-conducting polymer aqueous composite binder and application thereof | |
| CN101626072A (en) | Positive plate of lithium ion battery and preparation method thereof | |
| CN103259046B (en) | The preparation method of the high rate lithium iron phosphate cell of quickly-chargeable | |
| CN110635137B (en) | Conductive polymer binder and preparation method thereof, silicon-based negative plate and application thereof | |
| CN106992299B (en) | Aqueous binder and lithium battery containing same | |
| CN106654165A (en) | Lithium ion battery pole piece, preparation method thereof, and lithium ion battery | |
| CN104795541A (en) | Lithium-ion battery negative electrode slurry preparation method | |
| CN104134815A (en) | Mixed positive electrode material and application thereof | |
| CN108281610A (en) | A kind of lithium ion battery of anode composite pole piece | |
| CN110190284B (en) | Water-based binder for lithium-sulfur battery positive electrode and preparation method and application thereof | |
| CN103779570A (en) | Lithium ion battery cathode sheet and preparation method thereof | |
| CN104795568A (en) | Lithium-ion power battery negative electrode slurry preparation method | |
| CN103000390A (en) | Preparation method of negative current collector and super capacitor using same | |
| He et al. | Water‐soluble binder PAAL i with terpene resin emulsion as tackifier for L i FePO 4 cathode | |
| CN103762367A (en) | Method for preparing silicon-based anode material adhesive of lithium ion battery | |
| CN109411758B (en) | Preparation method of aqueous conductive adhesive for lithium ion battery cathode | |
| CN102623702B (en) | Li-ion battery as well as cathode plate and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |
|
| RJ01 | Rejection of invention patent application after publication |