WO2015020280A1 - Dispersion de nanotube de carbone et son procédé de production - Google Patents

Dispersion de nanotube de carbone et son procédé de production Download PDF

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Publication number
WO2015020280A1
WO2015020280A1 PCT/KR2013/011533 KR2013011533W WO2015020280A1 WO 2015020280 A1 WO2015020280 A1 WO 2015020280A1 KR 2013011533 W KR2013011533 W KR 2013011533W WO 2015020280 A1 WO2015020280 A1 WO 2015020280A1
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WIPO (PCT)
Prior art keywords
carbon nanotube
nitrile rubber
weight
carbon
carbon nanotubes
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Ceased
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PCT/KR2013/011533
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English (en)
Korean (ko)
Inventor
김용태
김병열
안성희
김중인
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Cheil Industries Inc
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Cheil Industries Inc
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Publication of WO2015020280A1 publication Critical patent/WO2015020280A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/158—Carbon nanotubes
    • C01B32/168—After-treatment
    • C01B32/174—Derivatisation; Solubilisation; Dispersion in solvents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B1/00—Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B1/008—Nanostructures not provided for in groups B82B1/001 - B82B1/007
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B3/0009—Forming specific nanostructures
    • B82B3/0033—Manufacture or treatment of substrate-free structures, i.e. not connected to any support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B3/0095—Manufacture or treatments or nanostructures not provided for in groups B82B3/0009 - B82B3/009
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2202/00—Structure or properties of carbon nanotubes
    • C01B2202/04—Nanotubes with a specific amount of walls
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2202/00—Structure or properties of carbon nanotubes
    • C01B2202/20—Nanotubes characterized by their properties
    • C01B2202/28—Solid content in solvents

Definitions

  • the present invention relates to a carbon nanotube dispersion and a preparation method thereof. More specifically, the present invention relates to a carbon nanotube dispersion in which carbon nanotubes are uniformly dispersed in a solvent by applying carbon nanorubber and nitrile rubber of a specific size, and a method of manufacturing the same.
  • Carbon nanotubes have a graphite sheet having a nano-size diameter in the form of a cylinder, and have a sp 2 bond structure.
  • the graphite surface exhibits characteristics of a conductor or a semiconductor depending on the angle and structure of the graphite surface.
  • single-walled carbon nanotubes SWCNTs
  • DWCNTs double-walled carbon nanotubes
  • MWCNTs multi-walled carbon nanotubes
  • single-walled carbon nanotubes have a variety of metallic and semiconducting properties and thus exhibit a variety of electrical, chemical, physical and optical properties. These characteristics can be used to implement more detailed and integrated devices.
  • Applications of carbon nanotubes currently under investigation include transparent electrodes, electrostatic dispersion films, field emission devices, surface heating elements, optoelectronics devices, various sensors, and transistors.
  • Non-covalent functional vaporization of carbon nanotubes means hydrogen bonds, van der Waals bonds, charge transfer, dipole one dipole interaction, ⁇ -electron interaction ( ⁇ - Non-covalent bonds, such as ⁇ stacking interaction, to bond the material to be modified on the surface of the carbon nanotubes How to give W.
  • Non-covalent functionalization has the advantage that it is not necessary to induce defects in the structure of the carbon nanotubes, so that the functional group can be given while maintaining the inherent properties of the tube.
  • Non-covalent functionalization is usually done using surfactants, aromatic hydrocarbons, biomaterials, etc., and most of them disperse carbon nanotubes stably in aqueous solution.
  • the method using such an aromatic hydrocarbon dispersant is one of the most studied among the non-covalent functionalization of the carbon nanotubes.
  • the carbon nanotube wall has a hexagonal graphite structure and can interact with electrons with molecules (dispersants) made of aromatic hydrocarbons such as conjugated polymers.
  • the conjugated polymer having an aromatic ring in the polymer chain interacts with ⁇ electrons with the nanotube wall and undergoes functionalization by wrapping the nanotube.
  • Such conjugated polymers include PmPV (poly (metaphenyIene vinylene)), PAE (poly (aryleneethynylene)), PPvPV (poly ⁇ (2,6-pyridinylenevinylene) -co-[(2,5-dioctyloxy-p-phenylene) vinylene] ⁇ ), Poly (methyl methacrylate) (PMMA), Poly (5-alkoxym-phenylenevinylene) (PAmPV), Poly (p-phenylenevinylene) (PPV), cisoidal PPA (Polyphenylacetylene), and transoidal PPA are known.
  • An object of the present invention is to provide a carbon nanotube dispersion and a method for producing the same that can be uniformly dispersed in a carbon nanotube solvent.
  • Another object of the present invention is to provide a carbon nanotube dispersion and a method for producing the same, which can economically disperse carbon nanotubes.
  • Still another object of the present invention is to provide an electronic material manufactured using the carbon nano-leuubric dispersion.
  • the carbon nanotube dispersion may include carbon nanotubes having a D99 value of about 0.5 to about 50 in a particle size distribution; Nitrile rubber; And a solvent; characterized in that it comprises a.
  • the content of the total solute including the carbon nano-rubber and the nitrile rubber is about 1 to about 15% by weight
  • the content of the solvent is about 85 to about 99% by weight
  • the content of the nanotubes may be about 50 to about 90% by weight
  • the content of the nitrile rubber may be about 10 to about 50% by weight.
  • the carbon nanotubes may include one or more of single-walled carbon nanotubes, double-walled carbon nanotubes, multi-walled carbon nanotubes, and bundled carbon nanotubes.
  • the nitrile rubber may include at least one of a nitrile rubber including a repeating unit represented by Formula 1, and a hydrogenated nitrile rubber (HNBR) including a repeating unit represented by Formula 2 below. :
  • m and n are each independently 50 to 250.
  • the nitrile rubber may have an increased average molecular weight of about 5,000 to about 50,000 g / mol.
  • the solvent may include one or more of an organic solvent containing a nitrogen atom (N) having an unshared electron pair, and an alcohol having 1 to 4 carbon atoms.
  • the carbon nanotube dispersion may further comprise a stabilizer comprising at least one of polyvinylidene fluoride (PVDF), polyvinylpyridone (PVP), and diisopropylamine (DIPA).
  • PVDF polyvinylidene fluoride
  • PVP polyvinylpyridone
  • DIPA diisopropylamine
  • Another aspect of the present invention relates to a method for producing a carbon nano-leuco dispersion.
  • the production method is a carbon nanotube slurry by mixing and adjusting the carbon nanotubes and the solvent so that the D99 value of the particle size distribution of the carbon nano-rubber is about 0.5 to about 50; And mixing nitrile rubber in the carbon nano-leuub slurry; Steps.
  • the total solute content including the carbon nanotubes and the nitrile rubber is about 1 to about 15% by weight, and the content of the solvent is about 85 to about 99 W wt%, the total solute, the carbon nanotube content is about 50 to about 90% by weight, the content of the nitrile rubber may be about 10 to about 50% by weight.
  • the mixing and particle size control may be performed by a dispersion method including one or more ultrasonic treatment and milling.
  • stabilizers comprising at least one of polyvinylidene fluoride (PVDF), polyvinylpyrrolidone (PVP), and diisopropylamine (DIPA) together with the nitrile rubber may be more mixed.
  • PVDF polyvinylidene fluoride
  • PVP polyvinylpyrrolidone
  • DIPA diisopropylamine
  • Another aspect of the invention relates to an electronic material.
  • the electronic material is prepared using the carbon nanotube dispersion.
  • the electronic material may be a positive electrode or a negative electrode of a secondary battery.
  • the present invention provides a carbon nanotube dispersion in which carbon nanotubes are uniformly dispersed in a solvent and a manufacturing method thereof, and has an effect of providing an electronic material manufactured using the carbon nanotube dispersion.
  • Figure 2 is a carbon nano dispersion dispersion prepared according to Comparative Examples 1 to 3 of the present invention
  • the carbon nanotube dispersion according to the present invention is characterized by comprising (A) carbon nanotubes having a D99 value of about 0.5 to about 50 in particle size distribution, (B) nitrile rubber, and (C) solvent.
  • Carbon nanotubes (CNT) used in the present invention are, for example, single-walled carbon nanotube (SWCNT), double-walled carbon nanotube (DWCNT), multi-wall Carbon Nanotubes (MWCNT; multi— walled carbon nanotubes, rope carbon nanotubes, and combinations thereof, characterized in that the D99 value of the particle size distribution is about 0.5 to about 50 urn, for example, about 5 to about 30 mm 3. .
  • the excitation value of D99 means a value corresponding to about 99% when the particle size is converted from a small size to a cumulative percentage.
  • the electrical conductivity and structural reinforcing effect of the carbon nanotubes may be reduced or a large cost may be required to control the particle size.
  • the particle size exceeds 50 m, the carbon nanotubes may be It may not be uniformly dispersed, and there is a fear that curling and precipitation occur.
  • the content of the carbon nanotubes (A) may be about 50 to about 90% by weight, for example about 65 to about 90% by weight of the total solutes (carbon nanotubes (A) and nitrile rubber (B)). Carbon nanotubes can be uniformly dispersed in the solvent in the above range.
  • Nitrile butadiene rubber (NBR) used in the present invention serves to stabilize the carbon nanotubes to be uniformly dispersed and maintained in a solvent.
  • the nitrile rubber is a conventional nitrile rubber including a repeating unit represented by the following formula (1), hydrogenated nitrile rubber (HNBR) containing a repeating unit represented by the following formula (2), these Mixtures and the like.
  • n and n may each independently be an integer of 50 to 250, and m: n may be about 2: about 8 to about 8: about 2, for example about 4: to about 6 to about 6: It may be about 4, but is not limited thereto.
  • the nitrile rubber may be hydrogenated nitrile rubber (HNBR).
  • HNBR hydrogenated nitrile rubber
  • the nitrile rubber may have a weight average molecular weight of about 5,000 to about 50,000 g / mol, for example about 10,000 to about 30,000 g / mol.
  • Carbon nanotubes can be uniformly dispersed in the solvent in the above range.
  • the content of the nitrile rubber (B) may be about 10 to about 50% by weight, for example about 10 to about 35% by weight of the total solutes (carbon nanotubes (A) and nitrile rubber (B)). Carbon nanotubes can be uniformly dispersed in the solvent in the above range.
  • C solvent
  • an organic solvent used in dispersing carbon nanotubes can be used without limitation, for example, N-methylpyrrolidone (NMP), pyridine, morpholine, dimethylaminobenzene, diethylamino Organic solvents containing a nitrogen atom (N) having a lone pair of electrons such as benzene and n ⁇ butylamine, alcohols having 1 to 4 carbon atoms such as methanol, ethanol, propanol, butanol, and the like, and the like, and the like, may be used. It is not limited. Specifically, N-methylpyridone (NMP) can be used.
  • the content of total solutes is about 1 to about 15% by weight, for example about 3 to about 7% by weight, and the content of the solvent (C) Silver may be from about 85 to about 99 weight percent, for example from about 93 to about 97 weight percent.
  • Carbon nanotube dispersions uniformly dispersed in the above range can be obtained.
  • Carbon nanotube dispersions according to the present invention if necessary, stabilizers comprising polyvinylidene fluoride (PVDF), polyvinylpyridone (PVP), and diisopropylamine (DIPA), a mixture thereof, and the like. It may further include.
  • the method for preparing a carbon nanotube dispersion according to the present invention may include a carbon nanotube (A) and a solvent (C) having a D99 value of about 0.5 to about 50 in a particle size distribution of the carbon nanotube (A). This may include preparing a carbon nanotube slurry by adjusting the mixing and the particle size so as to mix the nitrile rubber (B) with the carbon nano-rubber slurry.
  • the mixing and particle size control may be performed by a conventional dispersion method, for example, may be performed by a dispersion method such as ultrasonic treatment, milling. Specifically, it may be performed using a conventional milling equipment, such as a ball mill, a bead mill, a basket mill, and more specifically, a milling apparatus using a bead mill. .
  • the mixing and particle size adjustment time is about 50 nanoparticles D99 value of the particle size distribution
  • the time that can be adjusted and dispersed below! M is not particularly limited, but may be, for example, about 10 minutes to about 3 hours.
  • the carbon nanotube slurry When using the carbon nanotube slurry, it is possible to shorten the process time (particularly, the particle size control time) than the conventional carbon nanotube dispersion production method of mixing all the carbon nanotubes, the dispersing agent and milling them to adjust the particle size.
  • the nitrile rubber (B) is formed of a mixed nitrile rubber solution such that the nitrile rubber (B) is contained in the solvent (C) in an amount of about 1 to about 15 wt%, for example about 5 to about 8 wt%. It may be added in the form, but is not limited thereto.
  • the total solute (A + B) containing the carbon nanotubes (A) and the nitrile rubber (B) in the carbon nanotube dispersion in which the carbon nanotube slurry and the nitrile rubber are mixed with each other is about 1 To about 15% by weight, the content of the solvent (C) is about 85 to about 99% by weight, and the content of the carbon nano-leuze (A) in the total solute (A + B) is about 50 to about 90% by weight And the content of nitrile rubber (B) should be about 10 to about 50% by weight.
  • Mixing with the carbon nano-rubber slurry and the nitrile rubber (B) can be used without limitation the usual mixing method such as the dispersion method, stirring.
  • the preparation method mixes the carbon nanotubes (A), nitrile rubber (B) and solvent (C) such that the D99 value of the particle size distribution of the carbon nanotubes (A) is about 0.5 to about 50. And adjusting the particle size.
  • the mixing and particle size control may be performed by a conventional dispersion method, for example, may be performed by a dispersion method such as ultrasonic treatment, milling and the like. Specifically, it can be carried out using a conventional milling equipment, such as a ball mill, bead mill, basket mill, for example, milling apparatus using a bead mill. .
  • the mixing and the particle size adjusting time is not particularly limited as long as the carbon nanotubes can be controlled and dispersed at a D99 value of the particle size distribution of about 50 or less, for example, about 1 to about 20 hours.
  • the nitrile rubber (B) is formed of a mixed nitrile rubber solution such that the nitrile rubber (B) is contained in the solvent (C) in an amount of about 1 to about 15 wt%, for example about 5 to about 8 wt%. It may be added in the form, but is not limited thereto.
  • the total solute (A + B) including the carbon nanotubes (A) and the nitrile rubber (B) in the carbon nanotube dispersion is about 1 to about 15% by weight, and the content of the solvent (C) is about 85 To about 99% by weight, of the total solute (A + B), the content of the carbon nanotubes (A) is about 50 to about 90% by weight, the content of the nitrile rubber (B) is about 10 to about 50% by weight Should be%.
  • the carbon nanotube dispersion production method of the present invention may further include the step of adding the stabilizer, in order to further improve the dispersion stability. For example, it can be added together with the nitrile rubber.
  • Another aspect of the invention relates to electronic materials such as electrodes.
  • the electronic material is characterized in that it is prepared using the carbon nanotube dispersion.
  • the electronic material may be a positive electrode or a negative electrode of a secondary battery.
  • the carbon nanotube dispersion may be used as a conductive additive for a secondary battery positive electrode active material or as a carbon black replacement for a negative electrode. Preparation of such a secondary battery positive electrode or negative electrode can be easily performed by those skilled in the art.
  • NMP N—methylpyrrolidone
  • NMP N-methylpyridone
  • Example 6 7.5% by weight of carbon nanotubes (manufacturer: Nynocyl, NC7000) and 43/75% by weight of the nitrile rubber solution of Example 1 were added to 48.75% by weight of N-methylpyridone (NMP) solvent and milled. Using a milling equipment (manufacturer: Buhler, device name: K8), the carbon nanotube dispersion was prepared by adjusting the D99 value of the particle size distribution to be 22.2.
  • NMP N-methylpyridone
  • NMP N-methylpyridone
  • carbon nanoleube manufactured by a 59.25 weight% N-methylpyridone (NMP) solvent
  • 31.25 weight ⁇ 3 ⁇ 4 of the nitrile rubber solution of Example 1 were added and milled milling equipment (manufacturer: Buhler, apparatus: K8) was used to adjust the D99 value of the particle size distribution to 34.6.
  • diisopropylamine diisopropylamine: DIPA, manufacturer: large purified gold, product name: diisopropylamine, EP grade
  • DIPA diisopropylamine
  • NMP N-methylpyrrolidone
  • NMP N-methylpyrrolidone
  • Particle size analysis The prepared carbon nanotube dispersion was diluted 2,000-fold using NMP solvent, and the D99 value of the carbon nanotube particle size distribution was measured using Malvern's Mastersizer 3000 equipment.
  • the carbon nanotube dispersions of the present invention (Examples 1 to 6) have stable dispersibility even after standing for 24 hours, and have a high degree of dispersion due to low UV-visible permeability even after centrifugation at 3,000 rpm. .

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne la dispersion de nanotube de carbone qui comprend : des nanotubes de carbone dont la valeur D99 de la distribution granulométrique se situe entre environ 0,5 et environ 50 μm ; du caoutchouc nitrile ; et un solvant. Dans la dispersion de nanotube de carbone, les nanotubes de carbone sont dispersés uniformément dans le solvant de manière économique.
PCT/KR2013/011533 2013-08-05 2013-12-12 Dispersion de nanotube de carbone et son procédé de production Ceased WO2015020280A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0092828 2013-08-05
KR1020130092828A KR20150016852A (ko) 2013-08-05 2013-08-05 탄소나노튜브 분산액 및 이의 제조방법

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EP3301745A4 (fr) * 2015-10-28 2018-05-30 LG Chem, Ltd. Liquide à dispersion de matériau conducteur et batterie secondaire au lithium fabriquée au moyen de ce dernier
CN108140841A (zh) * 2016-03-24 2018-06-08 株式会社Lg化学 导电材料分散液和使用其制造的二次电池
CN108370037A (zh) * 2015-09-25 2018-08-03 Lg化学株式会社 碳纳米管分散液及其制造方法
EP4113646B1 (fr) 2020-08-31 2024-08-14 Zeon Corporation Composition de dispersant pour élément électrochimique, dispersion de conducteur pour élément électrochimique, bouillie pour électrode d'élément électrochimique, électrode pour élément électrochimique et élément électrochimique
EP4113653B1 (fr) 2020-08-31 2024-11-27 Zeon Corporation Composition dispersante pour dispositif électrochimique, dispersion de matériau électroconducteur pour dispositif électrochimique, composition de boue pour électrode de dispositif électrochimique et son procédé de fabrication, électrode pour dispositif électrochimique et dispositif électrochimique
KR20250033728A (ko) * 2023-09-01 2025-03-10 넥센타이어 주식회사 Cnt 분산도가 향상된 고무 조성물, 이를 포함하는 타이어 및 이의 제조방법

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WO2017074124A1 (fr) * 2015-10-28 2017-05-04 주식회사 엘지화학 Liquide à dispersion de matériau conducteur et batterie secondaire au lithium fabriquée au moyen de ce dernier
WO2017099358A1 (fr) * 2015-12-10 2017-06-15 주식회사 엘지화학 Dispersion conductrice et batterie rechargeable au lithium fabriquée à l'aide de cette dernière
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KR102125963B1 (ko) * 2016-11-15 2020-06-23 주식회사 엘지화학 탄소나노튜브 분산액 및 이의 제조 방법
WO2018174616A1 (fr) * 2017-03-22 2018-09-27 주식회사 엘지화학 Composition de pré-dispersion de matériau actif d'électrode positive, électrode positive pour batterie secondaire, et batterie secondaire au lithium la comprenant
US11283058B2 (en) 2017-03-22 2022-03-22 Lg Energy Solution, Ltd. Method of preparing slurry composition for secondary battery positive electrode, positive electrode for secondary battery prepared by using the same, and lithium secondary battery including the positive electrode
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KR102242254B1 (ko) * 2017-03-23 2021-04-21 주식회사 엘지화학 이차전지 양극용 슬러리의 제조방법
WO2018174538A1 (fr) * 2017-03-23 2018-09-27 주식회사 엘지화학 Procédé de production de bouillie pour cathode pour batterie secondaire
KR101831562B1 (ko) * 2017-09-29 2018-02-22 주식회사 나노신소재 탄소나노튜브 슬러리 조성물
EP3667772B1 (fr) 2017-11-24 2021-10-13 LG Chem, Ltd. Composition de bouillie d'électrode positive pour batterie secondaire, et électrode positive pour batterie secondaire et batterie secondaire fabriquée en utilisant la même
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ES2942166T3 (es) 2019-05-17 2023-05-30 Lg Energy Solution Ltd Dispersión de material conductor, y electrodo y batería secundaria de litio fabricados usando la misma
EP3978564B1 (fr) * 2020-01-07 2026-04-29 LG Chem, Ltd. Composition pre-dispersante, et electrode et batterie secondaire la comprenant
EP4195320A4 (fr) 2021-03-19 2025-01-22 LG Energy Solution, Ltd. Composition de suspension de cathode pour batterie secondaire, cathode fabriquée à l'aide de celle-ci, et batterie secondaire comprenant ladite cathode
KR102567757B1 (ko) * 2021-04-19 2023-08-16 공주대학교 산학협력단 면상발열체 제조방법 및 이에 의해 제조된 면상발열체
CN116171261B (zh) 2021-05-28 2026-03-24 株式会社Lg新能源 导电材料分散体
WO2025087912A1 (fr) 2023-10-26 2025-05-01 ARLANXEO High Performance Elastomers (Changzhou) Co., Ltd. Composite liant pour dispositifs de stockage d'énergie électrochimique à base de caoutchouc nitrile hydrogéné et de polycondensats
WO2025105872A1 (fr) * 2023-11-17 2025-05-22 주식회사 엘지에너지솔루션 Électrode, batterie secondaire au lithium et procédé de fabrication d'électrode
KR102677299B1 (ko) * 2024-01-18 2024-06-24 (주)티에스아이 탄소나노튜브 슬러리 조성물 및 이의 제조 방법
KR20250137079A (ko) * 2024-03-07 2025-09-17 주식회사 엘지화학 수소화 니트릴계 라텍스, 이의 제조방법 및 도전재 분산액
WO2025188109A1 (fr) * 2024-03-07 2025-09-12 주식회사 엘지화학 Latex à base de nitrile hydrogéné, son procédé de fabrication et liquide de dispersion de matériau carboné

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040090976A (ko) * 2002-01-15 2004-10-27 나노다이나믹스 인코퍼레이티드 현탁된 탄소 나노튜브 조성물, 이를 제조하는 방법 및이의 용도
US20060036018A1 (en) * 2003-10-30 2006-02-16 Winey Karen I Dispersion method
KR100851983B1 (ko) * 2007-05-14 2008-08-12 삼성전자주식회사 탄소나노튜브 분산액
KR20090133093A (ko) * 2008-06-23 2009-12-31 란세스 도이치란트 게엠베하 탄소 나노튜브 함유 고무 조성물
WO2012080159A1 (fr) * 2010-12-14 2012-06-21 Styron Europe Gmbh Formulations élastomères améliorées
WO2012084764A1 (fr) * 2010-12-21 2012-06-28 Bayer Materialscience Ag Procédé pour produire des mélanges de polymères-nanotubes de carbone sous forme de poudre

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040090976A (ko) * 2002-01-15 2004-10-27 나노다이나믹스 인코퍼레이티드 현탁된 탄소 나노튜브 조성물, 이를 제조하는 방법 및이의 용도
US20060036018A1 (en) * 2003-10-30 2006-02-16 Winey Karen I Dispersion method
KR100851983B1 (ko) * 2007-05-14 2008-08-12 삼성전자주식회사 탄소나노튜브 분산액
KR20090133093A (ko) * 2008-06-23 2009-12-31 란세스 도이치란트 게엠베하 탄소 나노튜브 함유 고무 조성물
WO2012080159A1 (fr) * 2010-12-14 2012-06-21 Styron Europe Gmbh Formulations élastomères améliorées
WO2012084764A1 (fr) * 2010-12-21 2012-06-28 Bayer Materialscience Ag Procédé pour produire des mélanges de polymères-nanotubes de carbone sous forme de poudre

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108370037B (zh) * 2015-09-25 2021-02-23 Lg化学株式会社 碳纳米管分散液及其制造方法
CN108370037A (zh) * 2015-09-25 2018-08-03 Lg化学株式会社 碳纳米管分散液及其制造方法
EP3355392A4 (fr) * 2015-09-25 2018-10-24 LG Chem, Ltd. Liquide de dispersion de nanotubes de carbone et son procédé de fabrication
US11050061B2 (en) 2015-10-28 2021-06-29 Lg Chem, Ltd. Conductive material dispersed liquid and lithium secondary battery manufactured using the same
EP3301745A4 (fr) * 2015-10-28 2018-05-30 LG Chem, Ltd. Liquide à dispersion de matériau conducteur et batterie secondaire au lithium fabriquée au moyen de ce dernier
US10727477B2 (en) 2015-12-10 2020-07-28 Lg Chem, Ltd. Conductive material dispersed liquid and lithium secondary battery manufactured using same
CN107851800A (zh) * 2015-12-10 2018-03-27 株式会社Lg化学 导电材料分散液和使用其制造的锂二次电池
CN107851800B (zh) * 2015-12-10 2021-02-09 株式会社Lg化学 导电材料分散液和使用其制造的锂二次电池
CN108140841A (zh) * 2016-03-24 2018-06-08 株式会社Lg化学 导电材料分散液和使用其制造的二次电池
EP3333946A4 (fr) * 2016-03-24 2019-01-23 LG Chem, Ltd. Dispersion conductrice et batterie rechargeable fabriquée à l'aide de cette dernière
US11108050B2 (en) 2016-03-24 2021-08-31 Lg Chem, Ltd. Conductive material dispersed liquid and secondary battery manufactured using the same
EP4113646B1 (fr) 2020-08-31 2024-08-14 Zeon Corporation Composition de dispersant pour élément électrochimique, dispersion de conducteur pour élément électrochimique, bouillie pour électrode d'élément électrochimique, électrode pour élément électrochimique et élément électrochimique
EP4113653B1 (fr) 2020-08-31 2024-11-27 Zeon Corporation Composition dispersante pour dispositif électrochimique, dispersion de matériau électroconducteur pour dispositif électrochimique, composition de boue pour électrode de dispositif électrochimique et son procédé de fabrication, électrode pour dispositif électrochimique et dispositif électrochimique
US12512476B2 (en) 2020-08-31 2025-12-30 Zeon Corporation Dispersant composition for electrochemical device, conductive material dispersion liquid for electrochemical device, slurry composition for electrochemical device electrode and method of producing same, electrode for electrochemical device, and electrochemical device
KR20250033728A (ko) * 2023-09-01 2025-03-10 넥센타이어 주식회사 Cnt 분산도가 향상된 고무 조성물, 이를 포함하는 타이어 및 이의 제조방법
KR102872550B1 (ko) 2023-09-01 2025-10-17 넥센타이어 주식회사 Cnt 분산도가 향상된 고무 조성물, 이를 포함하는 타이어 및 이의 제조방법

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