CN105226291B - A kind of environment-friendly water-based binding agent and preparation method thereof - Google Patents
A kind of environment-friendly water-based binding agent and preparation method thereof Download PDFInfo
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- CN105226291B CN105226291B CN201510705326.9A CN201510705326A CN105226291B CN 105226291 B CN105226291 B CN 105226291B CN 201510705326 A CN201510705326 A CN 201510705326A CN 105226291 B CN105226291 B CN 105226291B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000011230 binding agent Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 38
- 240000003183 Manihot esculenta Species 0.000 claims abstract description 28
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims abstract description 28
- 229920002472 Starch Polymers 0.000 claims abstract description 28
- 239000008107 starch Substances 0.000 claims abstract description 28
- 235000019698 starch Nutrition 0.000 claims abstract description 28
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 19
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 19
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims abstract description 19
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims abstract description 19
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 19
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 19
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 18
- 229920000767 polyaniline Polymers 0.000 claims abstract description 13
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229940072056 alginate Drugs 0.000 claims abstract description 9
- 235000010443 alginic acid Nutrition 0.000 claims abstract description 9
- 229920000615 alginic acid Polymers 0.000 claims abstract description 9
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims description 16
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical group CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 13
- 235000010413 sodium alginate Nutrition 0.000 claims description 13
- 239000000661 sodium alginate Substances 0.000 claims description 13
- 229940005550 sodium alginate Drugs 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000012467 final product Substances 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 239000000737 potassium alginate Substances 0.000 claims description 3
- 235000010408 potassium alginate Nutrition 0.000 claims description 3
- MZYRDLHIWXQJCQ-YZOKENDUSA-L potassium alginate Chemical compound [K+].[K+].O1[C@@H](C([O-])=O)[C@@H](OC)[C@H](O)[C@H](O)[C@@H]1O[C@@H]1[C@@H](C([O-])=O)O[C@@H](O)[C@@H](O)[C@H]1O MZYRDLHIWXQJCQ-YZOKENDUSA-L 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 241000255964 Pieridae Species 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 abstract description 3
- FKOZPUORKCHONH-UHFFFAOYSA-N 2-methylpropane-1-sulfonic acid Chemical compound CC(C)CS(O)(=O)=O FKOZPUORKCHONH-UHFFFAOYSA-N 0.000 abstract 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 229920006389 polyphenyl polymer Polymers 0.000 description 6
- 239000002904 solvent Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OXHNLMTVIGZXSG-UHFFFAOYSA-N 1-Methylpyrrole Chemical group CN1C=CC=C1 OXHNLMTVIGZXSG-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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 kind of environment-friendly water-based binding agent, following components is included according to parts by weight：80 ~ 150 parts of 32 ~ 48 parts of hydroxymethyl cellulose, 28 ~ 35 parts of alginate, modified 10 ~ 18 parts of tapioca starch, 8 ~ 15 parts of polyvinylpyrrolidone, 4 ~ 11 parts of polyaniline, 7 ~ 12 parts of water-and acrylate, 3 ~ 7 parts of 2 acrylamide, 2 methyl propane sulfonic acid, 2 ~ 5 parts of N NMAs, 1 ~ 5 part of dibenamine base ether and deionized water.Invention additionally discloses the preparation method of the environment-friendly water-based binding agent.Aqueous binders prepared by the present invention are not only environmentally friendly, its satisfactory mechanical property, and the negative material assembled as prepared by the binding agent, and 84.5% is more than by capacity retention after 300 cycle charge-discharges, have a good application prospect.
Description
Technical field
The invention belongs to binder material field, more particularly to a kind of environment-friendly water-based binding agent and preparation method thereof.
Background technology
Lithium ion battery has energy density high, has extended cycle life, and is widely used to the advantages of environmental pollution is small all kinds of
Portable electric appts, also as power resources in growing electric automobile field.
In lithium ion battery, binding agent is that active material and conductive additive are bonded on collector, forms electronics
Guide passage, it is ensured that the macromolecular material that battery normally runs.In charge and discharge process, binding agent effectively maintains electrode structure complete
It is whole, it is ensured that the embedding de- lithium that electrode material can be repeated.Therefore, binding agent is that the extremely pass that lithium ion battery normally runs is heavy
The factor wanted.Being currently used for the binding agent of silicon based anode material has various, wherein being used with polyvinylidene fluoride type in the majority.And lead
It is N- methyl pyrrole alkanones to want used solvent to be mainly, and the solvent can be evaporate into air during process operation, to operating personnel
Body harm it is big, not environmentally, use cost can be increased using organic solvent in addition, lithium-ion electric is limit to a certain extent
The development in pond.
The content of the invention
The technical problem to be solved is：In order to solve to contain in traditional lithium ion battery silicon based anode material binding agent
Volatile harmful solvent and problem not environmentally, there is provided a kind of environment-friendly water-based binding agent and preparation method thereof.
Technical scheme：In order to solve the above problems, the invention provides a kind of environment-friendly water-based binding agent, according to parts by weight
Including following components：
32 ~ 48 parts of hydroxymethyl cellulose, 28 ~ 35 parts of alginate, modified 10 ~ 18 parts of tapioca starch, polyvinylpyrrolidone
8 ~ 15 parts, 4 ~ 11 parts of polyaniline, 7 ~ 12 parts of water-and acrylate, 3 ~ 7 parts of 2- acrylamide-2-methyl propane sulfonics, N- methylols
80 ~ 150 parts of 2 ~ 5 parts of acrylamide, 1 ~ 5 part of dibenamine base ether and deionized water.
Preferably, the alginate is sodium alginate or potassium alginate.
Preferably, the preparation process of the modified tapioca starch be by tapioca starch be placed in 0.5mol/L sulfuric acid solution and
In the oxalic acid solution of 0.5mol/L, in 2 ~ 3h of heating stirring at 115 DEG C, after cooling, wherein tapioca starch：Sulfuric acid solution：Grass
The weight ratio of acid solution is：1:1.5:2.6.
Preferably, a kind of environment-friendly water-based binding agent, following components is included according to parts by weight：
32 ~ 45 parts of hydroxymethyl cellulose, 30 ~ 35 parts of alginate, modified 12 ~ 18 parts of tapioca starch, polyvinylpyrrolidone
8 ~ 15 parts, 5 ~ 11 parts of polyaniline, 7 ~ 10 parts of water-and acrylate, 3 ~ 7 parts of 2- acrylamide-2-methyl propane sulfonics, N- methylols
80 ~ 130 parts of 2 ~ 4 parts of acrylamide, 1 ~ 5 part of dibenamine base ether and deionized water.
Further, it is preferred that a kind of environment-friendly water-based binding agent, following components is included according to parts by weight：
42 parts of hydroxymethyl cellulose, 30 parts of alginate, modified 16 parts of tapioca starch, 10 parts of polyvinylpyrrolidone, polyphenyl
8 parts of amine, 7 parts of water-and acrylate, 5 parts of 2- acrylamide-2-methyl propane sulfonics, 3 parts of N hydroxymethyl acrylamide, dibenamine base
113 parts of 2 parts of ether and deionized water.
The preparation method of described a kind of environment-friendly water-based binding agent, comprises the following steps：
Step 1）By the hydroxymethyl cellulose of above-mentioned parts by weight, polyaniline, water-and acrylate, 2- acrylamides -2-
Methyl propane sulfonic acid and deionized water are placed in container, heating, and 1 ~ 3h is stirred under 50 ~ 80 DEG C of reaction temperatures；
Step 2）By the sodium alginate of above-mentioned parts by weight, modified tapioca starch, N hydroxymethyl acrylamide, dibenamine base ether
Step 1 is added sequentially to polyvinylpyrrolidone）In, 2 ~ 5h is mixed under 35 ~ 50 DEG C of reaction temperatures, after cooling i.e.
.
Preferably, the step 1）In container reaction temperature be 65 DEG C, the step 2）Middle container reaction temperature is 40
℃。
The invention has the advantages that：Aqueous binders prepared by the present invention are not only environmentally friendly, and its mechanical performance is good
It is good, and the negative material assembled as prepared by the binding agent, it is more than by capacity retention after 300 cycle charge-discharges
84.5%, have a good application prospect.
Specific embodiment
For a further understanding of the present invention, invention preferred embodiment is described with reference to embodiment, but should
Work as understanding, these descriptions are simply to further illustrate the features and advantages of the present invention, rather than the limit to the claims in the present invention
System.
Embodiment 1
A kind of environment-friendly water-based binding agent, following components is included according to parts by weight：
32 parts of hydroxymethyl cellulose, 28 parts of sodium alginate, modified 10 parts of tapioca starch, 8 parts of polyvinylpyrrolidone, polyphenyl
4 parts of amine, 7 parts of acrylate, 3 parts of 2- acrylamide-2-methyl propane sulfonics, 2 parts of N hydroxymethyl acrylamide, dibenamine base ether 1
80 parts of part and deionized water.
The preparation process of the modified tapioca starch is the sulfuric acid solution and 0.5mol/L that tapioca starch is placed in 0.5mol/L
In oxalic acid solution, in 2 ~ 3h of heating stirring at 115 DEG C, after cooling, wherein tapioca starch：Sulfuric acid solution：The weight of oxalic acid solution
Measuring ratio is：1:1.5:2.6.
The preparation method of a kind of environment-friendly water-based binding agent described above, comprises the following steps：
Step 1）By the hydroxymethyl cellulose of above-mentioned parts by weight, polyaniline, water-and acrylate, 2- acrylamides -2-
Methyl propane sulfonic acid and deionized water are placed in container, heating, and 1h is stirred under 50 DEG C of reaction temperatures；
Step 2）By the sodium alginate of above-mentioned parts by weight, modified tapioca starch, N hydroxymethyl acrylamide, dibenamine base ether
Step 1 is added sequentially to polyvinylpyrrolidone）In, 2h is mixed under 35 DEG C of reaction temperatures, obtained final product after cooling.
Embodiment 2
A kind of environment-friendly water-based binding agent, following components is included according to parts by weight：
48 parts of hydroxymethyl cellulose, 35 parts of potassium alginate, modified 18 parts of tapioca starch, 15 parts of polyvinylpyrrolidone, polyphenyl
11 parts of amine, 12 parts of acrylate, 7 parts of 2- acrylamide-2-methyl propane sulfonics, 5 parts of N hydroxymethyl acrylamide, dibenamine base ether
5 parts and 150 parts of deionized water.
The preparation method of a kind of environment-friendly water-based binding agent described above, comprises the following steps：
Step 1）By the hydroxymethyl cellulose of above-mentioned parts by weight, polyaniline, water-and acrylate, 2- acrylamides -2-
Methyl propane sulfonic acid and deionized water are placed in container, heating, and 3h is stirred under 80 DEG C of reaction temperatures；
Step 2）By the sodium alginate of above-mentioned parts by weight, modified tapioca starch, N hydroxymethyl acrylamide, dibenamine base ether
Step 1 is added sequentially to polyvinylpyrrolidone）In, 5h is mixed under 50 DEG C of reaction temperatures, obtained final product after cooling.
Other guide can be found in embodiment 1, will not be repeated here.
Embodiment 3
A kind of environment-friendly water-based binding agent, following components is included according to parts by weight：
40 parts of hydroxymethyl cellulose, 32 parts of sodium alginate, modified 14 parts of tapioca starch, 12 parts of polyvinylpyrrolidone, polyphenyl
8 parts of amine, 9 parts of acrylate, 5 parts of 2- acrylamide-2-methyl propane sulfonics, 3 parts of N hydroxymethyl acrylamide, dibenamine base ether 3
115 parts of part and deionized water.
The preparation method of a kind of environment-friendly water-based binding agent described above, comprises the following steps：
Step 1）By the hydroxymethyl cellulose of above-mentioned parts by weight, polyaniline, water-and acrylate, 2- acrylamides -2-
Methyl propane sulfonic acid and deionized water are placed in container, heating, and 2h is stirred under 65 DEG C of reaction temperatures；
Step 2）By the sodium alginate of above-mentioned parts by weight, modified tapioca starch, N hydroxymethyl acrylamide, dibenamine base ether
Step 1 is added sequentially to polyvinylpyrrolidone）In, 4h is mixed under 42 DEG C of reaction temperatures, obtained final product after cooling.
Other guide can be found in embodiment 1, will not be repeated here.
Embodiment 4
A kind of environment-friendly water-based binding agent, following components is included according to parts by weight：
45 parts of hydroxymethyl cellulose, 30 parts of sodium alginate, modified 12 parts of tapioca starch, 9 parts of polyvinylpyrrolidone, polyphenyl
5 parts of amine, 10 parts of acrylate, 4 parts of 2- acrylamide-2-methyl propane sulfonics, 4 parts of N hydroxymethyl acrylamide, dibenamine base ether 2
130 parts of part and deionized water.
The preparation method of a kind of environment-friendly water-based binding agent described above, comprises the following steps：
Step 1）By the hydroxymethyl cellulose of above-mentioned parts by weight, polyaniline, water-and acrylate, 2- acrylamides -2-
Methyl propane sulfonic acid and deionized water are placed in container, heating, and 3h is stirred under 65 DEG C of reaction temperatures；
Step 2）By the sodium alginate of above-mentioned parts by weight, modified tapioca starch, N hydroxymethyl acrylamide, dibenamine base ether
Step 1 is added sequentially to polyvinylpyrrolidone）In, 2h is mixed under 40 DEG C of reaction temperatures, obtained final product after cooling.
Other guide can be found in embodiment 1, will not be repeated here.
Embodiment 5
A kind of environment-friendly water-based binding agent, following components is included according to parts by weight：
42 parts of hydroxymethyl cellulose, 30 parts of sodium alginate, modified 16 parts of tapioca starch, 10 parts of polyvinylpyrrolidone, polyphenyl
8 parts of amine, 7 parts of water-and acrylate, 5 parts of 2- acrylamide-2-methyl propane sulfonics, 3 parts of N hydroxymethyl acrylamide, dibenamine base
113 parts of 2 parts of ether and deionized water.
The preparation method of a kind of environment-friendly water-based binding agent described above, comprises the following steps：
Step 1）By the hydroxymethyl cellulose of above-mentioned parts by weight, polyaniline, water-and acrylate, 2- acrylamides -2-
Methyl propane sulfonic acid and deionized water are placed in container, heating, and 3h is stirred under 60 DEG C of reaction temperatures；
Step 2）By the sodium alginate of above-mentioned parts by weight, modified tapioca starch, N hydroxymethyl acrylamide, dibenamine base ether
Step 1 is added sequentially to polyvinylpyrrolidone）In, 4h is mixed under 40 DEG C of reaction temperatures, obtained final product after cooling.
Other guide can be found in embodiment 1, will not be repeated here.
After testing, the mechanical property result such as following table of the binding agent prepared by various embodiments above：
| Tensile strength/Mpa | Water proofing property | |
| Embodiment 1 | 5.8 | It is excellent |
| Embodiment 2 | 5.4 | It is good |
| Embodiment 3 | 6.2 | It is excellent |
| Embodiment 4 | 7.5 | It is excellent |
| Embodiment 5 | 8.6 | It is excellent |
Binding agent prepared by various embodiments above is prepared by mixing into negative pole with conventional negative electrode active material, conductive agent
Electrode, with 0.5C rate charge-discharges at 25 DEG C, test electrode is followed the lithium ion battery for then preparing the negative material
Capability retention after ring 300 times, as a result see the table below：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Capability retention/% | 84.5 | 86.4 | 85.2 | 87.5 | 88.3 |
Claims (7)
1. a kind of environment-friendly water-based binding agent, it is characterised in that include following components according to parts by weight：
32 ~ 48 parts of hydroxymethyl cellulose, 28 ~ 35 parts of alginate, modified 10 ~ 18 parts of tapioca starch, polyvinylpyrrolidone 8 ~ 15
Part, 4 ~ 11 parts of polyaniline, 7 ~ 12 parts of acrylate, 3 ~ 7 parts of 2- acrylamide-2-methyl propane sulfonics, N hydroxymethyl acrylamide 2
80 ~ 150 parts of ~ 5 parts, 1 ~ 5 part of dibenamine base ether and deionized water.
2. a kind of environment-friendly water-based binding agent according to claim 1, it is characterised in that the alginate is sodium alginate
Or potassium alginate.
3. a kind of environment-friendly water-based binding agent according to claim 1, it is characterised in that the preparation step of the modified tapioca starch
Rapid is that tapioca starch is placed in the oxalic acid solution of the sulfuric acid solution of 0.5mol/L and 0.5mol/L, in heating stirring 2 at 115 DEG C ~
3h, after cooling, wherein tapioca starch：Sulfuric acid solution：The weight ratio of oxalic acid solution is：1:1.5:2.6.
4. a kind of environment-friendly water-based binding agent according to claim 1, it is characterised in that include with the following group according to parts by weight
Point：
32 ~ 45 parts of hydroxymethyl cellulose, 30 ~ 35 parts of alginate, modified 12 ~ 18 parts of tapioca starch, polyvinylpyrrolidone 8 ~ 15
Part, 5 ~ 11 parts of polyaniline, 7 ~ 10 parts of acrylate, 3 ~ 7 parts of 2- acrylamide-2-methyl propane sulfonics, N hydroxymethyl acrylamide 2
80 ~ 130 parts of ~ 4 parts, 1 ~ 5 part of dibenamine base ether and deionized water.
5. a kind of environment-friendly water-based binding agent according to claim 1, it is characterised in that include with the following group according to parts by weight
Point：
42 parts of hydroxymethyl cellulose, 30 parts of alginate, modified 16 parts of tapioca starch, 10 parts of polyvinylpyrrolidone, polyaniline 8
Part, 7 parts of acrylate, 5 parts of 2- acrylamide-2-methyl propane sulfonics, 3 parts of N hydroxymethyl acrylamide, 2 parts of dibenamine base ether and
113 parts of deionized water.
6. the preparation method of a kind of environment-friendly water-based binding agent as described in any one of claim 1 ~ 5, it is characterised in that including with
Lower step：
Step 1）By the hydroxymethyl cellulose of above-mentioned parts by weight, polyaniline, acrylate, 2- acrylamide -2- methyl-prop sulphurs
Acid and deionized water are placed in container, are heated, and 1 ~ 3h is stirred under 50 ~ 80 DEG C of reaction temperatures；
Step 2）By the sodium alginate of above-mentioned parts by weight, modified tapioca starch, N hydroxymethyl acrylamide, dibenamine base ether and poly-
Vinylpyrrolidone is added sequentially to step 1）In, 2 ~ 5h is mixed under 35 ~ 50 DEG C of reaction temperatures, obtained final product after cooling.
7. a kind of preparation method of environment-friendly water-based binding agent according to claim 6, it is characterised in that the step 1）In
Container reaction temperature be 65 DEG C, the step 2）Middle container reaction temperature is 40 DEG C.
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| CN112349907A (en) * | 2019-08-08 | 2021-02-09 | 珠海冠宇电池股份有限公司 | Composite binder material and preparation method and application thereof |
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| CN104293239A (en) * | 2014-09-30 | 2015-01-21 | 浙江中科立德新材料有限公司 | Water-soluble binder, lithium ion battery cathode paste prepared by using water-soluble binder, preparation methods and coating methods thereof |
| CN104393303A (en) * | 2014-12-05 | 2015-03-04 | 上海空间电源研究所 | Lithium titanate battery using waterborne binder |
| CN104852013A (en) * | 2015-03-17 | 2015-08-19 | 中国科学院广州能源研究所 | Preparation method of three-dimensional electrode slice based on aqueous adhesive |
| CN104789160A (en) * | 2015-04-08 | 2015-07-22 | 浙江中科立德新材料有限公司 | Water-based binder and cathode slurry for lithium ion battery as well as preparation methods for water-based binder and cathode slurry |
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