CN101546849A - Polymer lithium ion battery and four-step synthesis and manufacturing technology thereof - Google Patents
Polymer lithium ion battery and four-step synthesis and manufacturing technology thereof Download PDFInfo
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- CN101546849A CN101546849A CN200810102964A CN200810102964A CN101546849A CN 101546849 A CN101546849 A CN 101546849A CN 200810102964 A CN200810102964 A CN 200810102964A CN 200810102964 A CN200810102964 A CN 200810102964A CN 101546849 A CN101546849 A CN 101546849A
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- 239000000463 material Substances 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 16
- 239000003431 cross linking reagent Substances 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 229910001416 lithium ion Inorganic materials 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 11
- 239000003792 electrolyte Substances 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- -1 methylmethacrylate-methacrylic acid lithium-acrylonitrile Chemical compound 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000011268 mixed slurry Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- XIRVPWMOJMFUOQ-UHFFFAOYSA-N [Li].C(C(=C)C)(=O)O Chemical compound [Li].C(C(=C)C)(=O)O XIRVPWMOJMFUOQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003306 harvesting Methods 0.000 claims description 2
- 230000005764 inhibitory process Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- 238000010382 chemical cross-linking Methods 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910013872 LiPF Inorganic materials 0.000 description 2
- 101150058243 Lipf gene Proteins 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- MYCQSOCJLZBPAT-UHFFFAOYSA-N 2-methylprop-2-enoic acid;potassium Chemical compound [K].CC(=C)C(O)=O MYCQSOCJLZBPAT-UHFFFAOYSA-N 0.000 description 1
- NVNQYVXKCSKITC-UHFFFAOYSA-N C(C=C)#N.[Li] Chemical compound C(C=C)#N.[Li] NVNQYVXKCSKITC-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 101000598921 Homo sapiens Orexin Proteins 0.000 description 1
- 101001123245 Homo sapiens Protoporphyrinogen oxidase Proteins 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 102100029028 Protoporphyrinogen oxidase Human genes 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a polymer lithium ion battery and a four-step synthesis and manufacturing technology thereof. The polymer lithium ion battery comprises an anode pole shoe, a cathode pole shoe and a polymer lithium ion dielectric medium diaphragm and relates to an encapsulation manufacturing technology and a filling and solidifying manufacturing technology of the polymer lithium ion battery. The required polymer lithium ion dielectric medium diaphragm is prepared by the following steps: three monomers of hexafluoropropylene, vinylidene fluoride and methyl methacrylate which have a molar ratio of 10-30 percent, 80-50 percent and 10-20 percent and cross-linking agent are mixed and put in a vacuum sintering furnace for crosslinking to increase the mechanical temperature of the medium, the furnace is vaccumized and argon gas is led in for protection, the mixture reacts at the temperature of 60-120 DEG C for 5-15h and is evenly mixed with another polymer dielectric medium, cross-linking agent is added, cutter points and active substances are controlled by pressure to form a high-quality diaphragm, and the diaphragm, the anode pole shoe and the cathode pole shoe are prepared into a battery core which is encapsulated in a shell, filled with electrolyte and prepared into a polymer battery by sealing at 50-120 DEG C. The polymer battery has high electrical conductivity and good stability and is favorable for batch production.
Description
Technical field
The present invention relates to a kind of polymer Li-ion battery and manufacturing process technology thereof.
Background technology
Polymer Li-ion battery is a high-energy-density secondary cell of new generation, and it is to be born in 1994, is the battery that grows up on the liquid lithium ionic cell basis.It has following obvious advantage: 1, have longer cycle life, capacitance loss few.2, configuration design flexibly, conveniently can be used for developing ultra-thin, overlarge area battery.3, needn't use traditional diaphragm material.4, volume utilization height is than the high 10-20% of liquid lithium ion battery.5, nonflammable, security reliability is good.6, can make the battery of different shape.7, application is more extensive.8, adopt polymeric dielectric to substitute liquid dielectric solution, the electrolyte leakage problem of having avoided liquid battery to exist.
Polymer lithium is from the battery production complex process at present, and the production cost height is the key factor of puzzlement battery development.
Summary of the invention
The objective of the invention is shortcoming at the existence of polymer Li-ion battery production technology, the inventor is used in the experience that lithium ion battery is produced, and designs the production technology that a kind of production technology is simple, cost rate is high, the equipment input is little, production cost is low, safety is advanced.
The technical matters that the present invention adopts is: a kind of polymer Li-ion battery, battery are formed and are comprised negative pole, membrane layer, positive pole and electrolyte.
1. diaphragm material and manufacture craft: the steel cylinder that will be full of inert gas links to each other with the stainless steel feed pot that slurries are housed, in order to make polymeric dielectric membrane thicknesses and width controlled, by regulating the rate of outflow of the pressure control slurry in the slurry tank, remaining scraper, to add the amount of locating slurries constant, matrix with constant motion drives slurry, slit by the edge of a knife and matrix forms thickness, the certain film of width, after the drying tunnel oven dry, make volume, regulate edge of a knife slit height, thereby obtain the film of desired thickness.
The barrier film raw material: polymeric dielectric is formed polymer lithium cell diaphragm with polyethylene, polypropylene, and colloidal polymer covers or is filled in the microporous barrier.
Polymeric dielectric is that inorganic ions is dissolved in the solvent in the polymer, and polymeric dielectric is polyethylene glycol oxide, PPOX, poly-1, the 2-ethylenimine, and its structure fraction is respectively:
The cross-linked polymer dielectric carries out crosslinked inhibition degree of crystallinity by adding crosslinking agent, improves dielectric mechanical strength, crosslinked method: crosslinking with radiation, chemical crosslinking, physical crosslinking.Be equipped with the cross-linked network solid electrolyte with the crosslinking with radiation legal system, guaranteeing low crosslinking degree or adopting under the flexible crosslinked condition that the segment activity can obviously not weakened, conductivity can be improved.
Another kind method is: polymeric material is that methyl methacrylate, acrylonitrile, three kinds of monomers of methacrylic acid potassium mix respectively, be that mixture is put into sintering furnace, among add crosslinking agent and carry out crosslinking agent and suppress degree of crystallinity, improve dielectric mechanical strength, will be evacuated down to 10 in the stove
-2Pa feeds under the argon shield, at 45-90 ℃ of following chemical reaction 6-14h, and first kind of material of synthetic polymer, i.e. methyl methacrylate-methacrylic acid lithium-acrylonitrile polymer.Be that hexafluoropropylene and vinylidene, three kinds of monomers of methyl methacrylate are prepared material and put in the vacuum sintering furnace with 10-30% and 50-80%, 10-20% mole composition respectively again with biasfluoroethylene-hexafluoropropylene-methymethacrylate synthetic method, add crosslinking agent and carry out the dielectric mechanical strength of crosslinked raising, vacuum degree in the stove is extracted into 10
-2Pa feeds argon shield at 60-120 ℃ of following chemical reaction 5-15h, second kind of material of synthetic polymer, i.e. vinylidene one hexafluoropropylene-methylmethacrylate polymer material.Again above-mentioned first kind and second kind of polymeric material are mixed and insert in the container, add fully dissolving after the solvent.The mol ratio of first kind of each component of polymer is: 0.1≤methacrylic acid lithium≤25%, 35%≤acrylonitrile≤85%, 8%≤methyl methacrylate≤35%, contain the electrolyte that percetage by weight is 30-70% in polymer dielectric.The mass ratio of above-mentioned first kind and second kind mixing is that 2:8 is to 3:5.
The fabricating technology of polymer dielectric film is applicable to that suitability for industrialized production fresh content of the present invention also has following content:
Above-mentioned first kind and second kind of polymeric material are mixed, by Chemical Crosslinking Methods crosslinking agent is joined among copper or the stainless feed pot, control the rate of outflow of its above-mentioned mixed slurry by the pressure in the adjusting slurry, slit by the edge of a knife and matrix forms needed width, the film of thickness, this film is at drying tunnel oven dry back harvest volume.
2. the making of anode pole piece: the active material LiCoO of use
2, LiNiO
2, LiMn
2O
4, the manufacture method of these materials is identical with anode material for lithium-ion batteries, but must add chemical cross-linking agent at anode sizing agent, and addition is the 1%-0.01%. of polarization coating solid content
Active material, conductive agent such as acetylene black are mixed with the adhesive that is dissolved in N-methyl pyrrolidone (NMP) (PVDE) solution, after stirring, be made into the active material of pulpous state, be coated in the both sides of aluminium foil equably, coating layer thickness: 13-25 μ m, drying is used roll squeezer compression moulding again to remove the organic substance dispersant under nitrogen current, cuts into the positive plate of required size more on request.
3. preparation negative plate: negative material is that negative electrode active material mainly is a carbon materials, comprise native graphite, asphalt base carbon fiber etc., adhesive has the SBR latex, CMC etc. add chemical cross-linking agent at cathode size, addition is that the one thousandth of pole piece coating solid content arrives one of percentage, and solvent is NMP.The binding agent (as PVOE) of charcoal or graphite and about 10% mixed make pasty state, be coated in the Copper Foil both sides equably, after the drying, roll-in is 21-26 μ m, is cut into the negative plate of given size by necessary requirement.
4. the encapsulation fluid injection is solidified.
With above-mentioned the polymer electrolyte diaphragm of making by content of the present invention, positive plate and negative plate are made electric core, and tightly encapsulate the external packing housing, inject the electrolyte LiPF that contains liquid lithium ionic cell in electric core
6Inject the electrolyte final vacuum and seal, under 50-120 ℃ temperature, make polymer Li-ion battery.
Prepared technology of the present invention has preparation, technology is easy, and operating environment is less demanding, and interface stability is good, and battery room temperature conductivity height is easy to realize the advantage of the extensive industrialization of producing again.
Embodiment
Embodiment 1
Methymethacrylate, methacrylic acid lithium, acrylonitrile mix by synthetic mol ratio 30%:20%:50%, join and account for overall weight 5% crosslinking agent.To mix material and add in the sintering furnace, be evacuated down to 10
-2Pa feeds argon shield again, is incubated 10h, synthesizing methylmethacrylate-methacrylic acid lithium-acrylonitrile polymer down at 50 ℃.
Again biasfluoroethylene-hexafluoropropylene-methyl methacrylate is prepared material by synthetic mol ratio 20%:65%:15%, add the crosslinking agent that accounts for overall weight 5% again, mix and put into vacuum sintering furnace, vacuum degree adds 10 in the stove
-2Pa; feed argon shield; be incubated 10h down at 90 ℃; synthesizing methylmethacrylate-metering system-methacrylic acid lithium-acrylonitrile polymer material; again with above-mentioned first kind; the material of second kind of synthetic polymerization mixes by 3:7 and places among the appearance; add solvent abundant molten Jie afterwards; in polymeric dielectric, contain percetage by weight and be 50% electrolyte; the above-mentioned slurry that mixes adds among the feed pot of copper work; form the film of the size that needs by regulating the rate of outflow that pressure in the slurry controls above-mentioned mixed slurry by the edge of a knife and equipment slit, this film oven dry is rolling afterwards.
Embodiment 2:
Crosslinking agent among the embodiment 1 is accounted for overall weight 5% change 8% into, other technology, condition are consistent with example 1.
The making of positive plate: with LiCoO
2The slurry of positive electrode adds crosslinking agent adding cross-linked dosage and is 1% of polarization coating solid content.
To mix with the adhesive PVDE solution that is dissolved in N-methyl pyrrolidone (NMP) in active material, the conductive agent acetylene, after stirring, make slurry like material, be coated in the both sides of aluminium foil equably, coating layer thickness 18 μ m, dry removing the organic substance dispersant under nitrogen current, roll squeezer compression moulding again cuts into the positive plate of regulation required size more on request.
Preparation negative plate: with native graphite, SBR latex, in cathode size, add 1% crosslinking agent that accounts for overall weight, the binding agent PVOE of graphite and 10% mixed make pasty state, be coated in the Copper Foil both sides equably, roll-in is 25 μ m after dry, is cut into the negative plate of given size by necessary requirement.
Polymeric dielectric barrier film, positive plate and negative plate that the foregoing invention content is made are made electric core and are encapsulated into housing, inject the electrolyte LiPF that contains liquid lithium ionic cell in electric core
6, vacuum seal is made polymer Li-ion battery under 80 ℃ temperature again.
Claims (1)
1. polymer Li-ion battery and manufacturing process technology thereof is characterized in that this fabricating technology is made up of following steps:
The barrier film manufacture technology technology of polymer Li-ion battery: polymeric material is that methyl methacrylate, methacrylic acid lithium, acrylonitrile are 0.1≤methacrylic acid lithium≤25% in molar ratio, 35%≤acrylonitrile≤85%, 8%≤methyl methacrylate≤35%, three kinds of mixing, add crosslinking agent again and account for overall weight 5%, carry out crosslinked inhibition degree of crystallinity, will be evacuated down to 10 in the stove
-2Pa feeds under the argon shield, is incubated 6-14h, synthesizing methylmethacrylate-methacrylic acid lithium-acrylonitrile polymer down at 45-50 ℃;
Is respectively 10-30% and 50-80%, 10-20% with biasfluoroethylene-hexafluoropropylene-methymethacrylate by synthetic mol ratio, prepare and expect to mix to put into vacuum sintering furnace, add 5% the crosslinking agent account for overall weight, three kinds are evenly mixed and add in the sintering furnaces vacuum degree 10 in the stove
-2Pa feeds under the argon shield, at 60-120 ℃ of following chemical reaction 5-15h, and synthetic biasfluoroethylene-hexafluoropropylene-methylmethacrylate polymer material;
Above-mentioned first kind and second kind of material mixing are evenly inserted again and added abundant molten Jie after the solvent among the container, contain the electrolyte that percetage by weight is 30-70% in polymeric dielectric, the mass ratio of above-mentioned first kind and second kind mixing is that 2:8 is to 3:5;
Above-mentioned first kind and second kind of polymeric material are mixed, add among the feed pot of copper work, control the rate of outflow of its above-mentioned mixed slurry by regulating pressure in the slurry, by adding the film that forms needed size with the slit of equipment, this film is at drying tunnel oven dry back harvest volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810102964A CN101546849A (en) | 2008-03-28 | 2008-03-28 | Polymer lithium ion battery and four-step synthesis and manufacturing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810102964A CN101546849A (en) | 2008-03-28 | 2008-03-28 | Polymer lithium ion battery and four-step synthesis and manufacturing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101546849A true CN101546849A (en) | 2009-09-30 |
Family
ID=41193817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810102964A Pending CN101546849A (en) | 2008-03-28 | 2008-03-28 | Polymer lithium ion battery and four-step synthesis and manufacturing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101546849A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145329A (en) * | 2011-03-14 | 2011-08-10 | 中航锂电（洛阳）有限公司 | Slurry mixing process of lithium ion battery electrode slurry |
| CN103620819A (en) * | 2011-06-23 | 2014-03-05 | 索尔维特殊聚合物意大利有限公司 | Process for manufacturing battery components |
| CN110931880A (en) * | 2019-11-29 | 2020-03-27 | 深圳赛骄阳能源科技股份有限公司 | Polymer lithium ion battery and preparation method thereof |
| CN113843931A (en) * | 2021-09-17 | 2021-12-28 | 西南技术物理研究所 | GD414C silicon rubber resistivity changing method |
| WO2025025450A1 (en) * | 2023-08-03 | 2025-02-06 | 宁德时代新能源科技股份有限公司 | Fluorine-containing polymer, preparation method, positive electrode sheet, secondary battery and electric device |
-
2008
- 2008-03-28 CN CN200810102964A patent/CN101546849A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145329A (en) * | 2011-03-14 | 2011-08-10 | 中航锂电（洛阳）有限公司 | Slurry mixing process of lithium ion battery electrode slurry |
| CN102145329B (en) * | 2011-03-14 | 2012-12-19 | 中航锂电（洛阳）有限公司 | Slurry mixing process of lithium ion battery electrode slurry |
| CN103620819A (en) * | 2011-06-23 | 2014-03-05 | 索尔维特殊聚合物意大利有限公司 | Process for manufacturing battery components |
| CN110931880A (en) * | 2019-11-29 | 2020-03-27 | 深圳赛骄阳能源科技股份有限公司 | Polymer lithium ion battery and preparation method thereof |
| CN113843931A (en) * | 2021-09-17 | 2021-12-28 | 西南技术物理研究所 | GD414C silicon rubber resistivity changing method |
| WO2025025450A1 (en) * | 2023-08-03 | 2025-02-06 | 宁德时代新能源科技股份有限公司 | Fluorine-containing polymer, preparation method, positive electrode sheet, secondary battery and electric device |
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Application publication date: 20090930 |