WO2015030406A1 - 전극 슬러리의 임펠러 믹서 - Google Patents
전극 슬러리의 임펠러 믹서 Download PDFInfo
- Publication number
- WO2015030406A1 WO2015030406A1 PCT/KR2014/007636 KR2014007636W WO2015030406A1 WO 2015030406 A1 WO2015030406 A1 WO 2015030406A1 KR 2014007636 W KR2014007636 W KR 2014007636W WO 2015030406 A1 WO2015030406 A1 WO 2015030406A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- impeller
- electrode slurry
- mixer
- container
- raw materials
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
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- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/808—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers driven from the bottom of the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
-
- 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
- H01M4/04—Processes of manufacture in general
-
- 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
Definitions
- the present invention relates to an impeller mixer of an electrode slurry, and more particularly, to an impeller mixer of an electrode slurry for efficiently dispersing raw materials of the electrode slurry to achieve uniform mixing.
- a mixer is a mechanism for dispersing, stirring, or mixing the contents put into a container, and is widely used for household and industrial purposes because it can uniformly mix various contents such as food, medicine, and electronic materials through a device attached to a motor. have.
- the mixer is composed of a motor for converting electrical energy into mechanical energy, and an impeller for rotating motion by the converted mechanical energy.
- the impeller has a blade contacting the contents, and the liquid,
- the contents such as a slurry, a solid, can be mixed.
- the conventional impeller mix has one or two impellers 10 rotating at high speed, as shown in FIG. 1, and the size of the impeller is smaller than that of the container.
- the present invention relates to an impeller mixer of an electrode slurry for solving the above problems, and in particular, an object of the present invention is to efficiently disperse raw materials of the electrode slurry so that uniform mixing can be achieved.
- the present invention is a container filled with the raw material of the electrode slurry;
- An impeller formed in a plurality of different shapes and rotatably provided in the container, and mixing raw materials of the electrode slurry; It is achieved by including; a drive unit which is provided on the bottom of the container, connected to the impeller through an upper coupling shaft formed to rotate the impeller.
- the impeller includes a first impeller, a second impeller and a third impeller;
- the first impeller is provided adjacent to the bottom surface of the container, the second impeller is provided at a position spaced apart a predetermined distance upward from the first impeller, the third impeller is predetermined upward from the second impeller It is desirable to be provided at a position spaced apart.
- the first impeller is preferably formed on the outer peripheral surface of the disk (bar) at a predetermined angle interval to move the raw material of the electrode slurry from below to upward.
- the second impeller has protrusions formed on upper and lower surfaces of the disk to mix raw materials of the electrode slurry.
- the third impeller is preferably a bar (bar) is formed on the outer peripheral surface of the disc at a predetermined angle interval, the end of the bar is formed to protrude diagonally upwards to move the raw material of the electrode slurry downward.
- the first impeller may be formed longer in the horizontal direction than the second impeller, and the second impeller may be formed longer in the horizontal direction than the third impeller.
- the raw material of the electrode slurry is preferably such that the electrode active material, the conductive material and the binder is mixed in the solvent.
- the present invention is to provide an electrode for a secondary battery, characterized in that the electrode slurry produced by the impeller mixer of the electrode slurry is applied.
- the present invention as described above is an invention that is effective to improve the work efficiency by allowing uniform mixing and dispersing the raw materials of the electrode slurry in a short time by a multi-layer impeller rotating at high speed.
- 1 is a cross-sectional view showing a conventional impeller mixer
- FIG. 2 is a sectional view showing an impeller mixer of the electrode slurry of the present invention
- FIG. 6 is a view showing raw materials of an electrode slurry moving by an impeller in an impeller mixer of an electrode slurry of the present invention.
- the impeller mixer of the electrode slurry of the present invention includes a container 100 in which raw materials of the electrode slurry are filled, and an impeller 110 formed in multiple layers and rotatably provided in the container 100. And a driving unit 120 provided at the bottom of the container 100 to rotate the impeller 110.
- the container 100 has a space formed therein to allow the raw material of the electrode slurry to be filled.
- the container 100 may be formed in a cylindrical shape so that a clearance between the impeller 110 and the inner wall of the container 100 may be uniformly formed when the impeller 110 rotates.
- the impeller is rotatably provided in the container 100 to allow the raw materials of the electrode slurry to be dispersed and mixed.
- the impeller 110 is composed of a first impeller 111, a second impeller 112, and a third impeller 113 having different shapes, each impeller 111, 112, 113 is formed in a multi-layer upwards do.
- the first impeller 111 is provided adjacent to the bottom surface of the container 100, the second impeller 112 is provided at a position spaced apart a predetermined distance upward from the first impeller 111, the third impeller 113 ) Is preferably provided at a position spaced apart from the second impeller 112 by a predetermined distance.
- the first impeller 111 is provided in the shape of a disk (111D), a bar (bar) is formed on the outer peripheral surface of the disk (111D) at predetermined angle intervals, Figures 3 and 6 As shown in FIG. 1, when the impeller 110 rotates, raw materials of the electrode slurry move upward through the inner wall of the container 100.
- a total of three bars are formed at the first impeller 111 at intervals of 120 degrees.
- the third impeller 113 is provided in the shape of a disk 113D, a bar (bar) is formed on the outer peripheral surface of the disk 113D at predetermined angle intervals, the end of the bar
- the raw material of the electrode slurry moved upwards by the first impeller 111 when the impeller 110 rotates due to the inclined end of the third impeller 113 as shown in FIGS. 5 and 6. Move down.
- the second impeller 112 is provided in the shape of a disk (112D), the protrusions 112P (see Fig. 6) is formed on the upper and lower surfaces of the disk 112D Located between the first impeller 111 and the third impeller 113 to the raw material and the second impeller 112 of the electrode slurry moved upward by the first impeller 111 as shown in FIGS. 4 and 6. It is possible to mix the raw materials of the electrode slurry moved to the bottom by.
- the first impeller 111 is formed longer in the horizontal direction than the second impeller 112
- the second impeller is formed longer in the horizontal direction than the third impeller 113 is filled in the bottom of the container 100 It is possible to move the raw material of the electrode slurry upwards.
- first impeller 111, the second impeller 112, and the third impeller 113 is based on the disk shape as described above, but impellers of different shapes may be applied according to the raw material of the electrode slurry. have.
- the driving unit 120 is configured to rotate the impeller 110 to be provided at the bottom of the container 100 to enable high speed rotation of the impeller 110, and to form a coupling shaft 121 above the driving unit 120. .
- the coupling shaft 121 of the driving unit 120 is connected to the impeller 110 through the bottom of the container 100 to enable the impeller 110 to rotate through the operation of the driving unit 120.
- the present invention rotates the impeller 110 formed in a multi-layer through the drive unit 120, of the impeller 110 consisting of a first impeller 111, a second impeller 112, and a third impeller (113).
- the raw material of the electrode slurry filled in the container 100 is moved upwards or downwards to make efficient dispersion, thereby allowing uniform mixing.
- the raw material of the electrode slurry is preferably to be applied to a mixture of the electrode active material, conductive material and binder in the solvent.
- the electrode active material is classified into a positive electrode active material and a negative electrode active material
- the negative electrode active material may be, for example, carbon such as hardly graphitized carbon or graphite carbon; LixFe2O3 (0 ⁇ x ⁇ 1), LixWO2 (0 ⁇ x ⁇ 1), SnxMe1-xMe'yOz (Me: Mn, Fe, Pb, Ge; Me ': Al, B, P, Si, Group 1 of the periodic table, Metal composite oxides such as Group 2, Group 3 elements, halogen, 0 ⁇ x ⁇ 1, 1 ⁇ y ⁇ 3, 1 ⁇ z ⁇ 8); Lithium metal; Lithium alloys; Silicon-based alloys; Tin-based alloys; Metal oxides such as SnO, SnO 2, PbO, PbO 2, Pb 2 O 3, Pb 3 O 4, Sb 2 O 3, Sb 2 O 4, Sb 2 O 5, GeO, GeO 2, Bi 2 O 3, Bi 2 O 4, Bi 2 O 5; Conductive polymers such as polyacetylene; Li-Co-Ni
- the conductive material is typically added in an amount of 1 to 30% by weight based on the total weight of the mixture including the positive electrode active material.
- a conductive material is not particularly limited as long as it has conductivity without causing chemical change in the battery, and examples thereof include graphite such as natural graphite and artificial graphite; Carbon blacks such as carbon black, acetylene black, Ketjen black, channel black, furnace black, lamp black, and summer black; Conductive fibers such as carbon fibers and metal fibers; Metal powders such as carbon fluoride powder, aluminum powder and nickel powder; Conductive whiskeys such as zinc oxide and potassium titanate; Conductive metal oxides such as titanium oxide; Conductive materials such as polyphenylene derivatives and the like can be used.
- the binder is a component that assists in bonding the active material and the conductive agent to the current collector, and is usually added in an amount of 1 to 30% by weight based on the total weight of the mixture including the positive electrode active material.
- binders include polyvinylidene fluoride, polyvinyl alcohol, carboxymethyl cellulose (CMC), starch, hydroxypropyl cellulose, regenerated cellulose, polyvinylpyrrolidone, tetrafluoroethylene, polyethylene , Polypropylene, ethylene-propylene-diene terpolymer (EPDM), sulfonated EPDM, styrene butylene rubber, fluorine rubber, various copolymers and the like.
- the electrode slurry prepared using the impeller mixer of the electrode slurry is applied to the electrode to provide a secondary battery electrode as described above.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Description
Claims (8)
- 전극 슬러리의 원재료가 충진되는 용기와;상호 다른 형상으로 다층 형성되어 상기 용기 내부에 회전 가능하게 구비되며, 상기 전극 슬러리의 원재료를 혼합시키는 임펠러와;상기 용기 저부에 구비되며, 상방으로 형성된 결합축을 통해 상기 임펠러와 연결되어 상기 임펠러를 회전시키는 구동부;를 포함하는 것을 특징으로 하는 전극 슬러리의 임펠러 믹서.
- 청구항 1에 있어서,상기 임펠러는 제1임펠러, 제2임펠러 및 제3임펠러를 포함하되;상기 제1임펠러는 상기 용기의 바닥면에 인접하게 구비되며, 상기 제2임펠러는 상기 제1임펠러로부터 상방으로 소정 거리 이격된 위치에 구비되고, 상기 제3임펠러는 상기 제2임펠러로부터 상방으로 소정 거리 이격된 위치에 구비되는 것을 특징으로 하는 전극 슬러리의 임펠러 믹서.
- 청구항 2에 있어서,상기 제1임펠러는 디스크 외주면에 소정각도 간격으로 바(bar)가 형성되어 상기 전극 슬러리의 원재료를 하방에서 상방으로 이동시키는 것을 특징으로 하는 전극 슬러리의 임펠러 믹서.
- 청구항 2에 있어서,상기 제2임펠러는 디스크 상부면과 하부면에 돌출부가 형성되어 상기 전극 슬러리의 원재료를 혼합시키는 것을 특징으로 하는 전극 슬러리의 임펠러 믹서.
- 청구항 2에 있어서,상기 제3임펠러는 디스크 외주면에 소정각도 간격으로 바(bar)가 형성되며, 상기 바의 끝단이 대각선 상방으로 돌출 형성되어 상기 전극 슬러리의 원재료를 하방으로 이동시키는 것을 특징으로 하는 전극 슬러리의 임펠러 믹서.
- 청구항 2에 있어서,상기 제1임펠러는 상기 제2임펠러 보다 수평방향으로 길게 형성되며, 상기 제2임펠러는 상기 제3임펠러 보다 수평방향으로 길게 형성되는 것을 특징으로 하는 전극 슬러리의 임펠러 믹서.
- 청구항 1에 있어서,상기 전극 슬러리의 원재료는 전극 활물질, 도전재 및 바인더가 용매에 혼합된 것을 특징으로 하는 전극 슬러리의 임펠러 믹서.
- 청구항 1 내지 청구항 7 중 어느 한 항의 전극 슬러리의 임펠러 믹서에 의해 제조된 전극 슬러리가 도포되는 것을 특징으로 하는 이차전지용 전극.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14840582.2A EP2954947B1 (en) | 2013-08-30 | 2014-08-18 | Impeller mixer for electrode slurry |
JP2015562947A JP6242921B2 (ja) | 2013-08-30 | 2014-08-18 | 電極スラリーのインペラミキサー |
US14/773,627 US10022684B2 (en) | 2013-08-30 | 2014-08-18 | Impeller mixer of electrode slurry |
CN201480017679.3A CN105050701A (zh) | 2013-08-30 | 2014-08-18 | 电极浆料的叶轮混合器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0103628 | 2013-08-30 | ||
KR20130103628A KR20150025684A (ko) | 2013-08-30 | 2013-08-30 | 전극 슬러리의 임펠러 믹서 |
Publications (1)
Publication Number | Publication Date |
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WO2015030406A1 true WO2015030406A1 (ko) | 2015-03-05 |
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ID=52586890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2014/007636 WO2015030406A1 (ko) | 2013-08-30 | 2014-08-18 | 전극 슬러리의 임펠러 믹서 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10022684B2 (ko) |
EP (1) | EP2954947B1 (ko) |
JP (1) | JP6242921B2 (ko) |
KR (1) | KR20150025684A (ko) |
CN (1) | CN105050701A (ko) |
TW (1) | TWI607801B (ko) |
WO (1) | WO2015030406A1 (ko) |
Families Citing this family (6)
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KR20150025684A (ko) * | 2013-08-30 | 2015-03-11 | 주식회사 엘지화학 | 전극 슬러리의 임펠러 믹서 |
CN107715723A (zh) * | 2017-09-29 | 2018-02-23 | 江苏云端重工科技有限公司 | 一种尾砂提炼搅拌叶片 |
CN108201839A (zh) * | 2017-12-30 | 2018-06-26 | 李国俊 | 一种用于生产聚氯乙烯的搅拌装置 |
KR102320738B1 (ko) * | 2019-02-26 | 2021-11-02 | 조현용 | 호모 믹서 |
KR102611670B1 (ko) * | 2020-04-29 | 2023-12-14 | 에스케이온 주식회사 | 울트라 디스퍼션 믹서 |
KR20220060807A (ko) | 2020-11-05 | 2022-05-12 | 주식회사 엘지에너지솔루션 | 스토퍼를 포함하는 파우치형 전지 실링 장치 및 이를 이용한 파우치형 전지 실링 방법 |
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2013
- 2013-08-30 KR KR20130103628A patent/KR20150025684A/ko active Search and Examination
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2014
- 2014-08-18 US US14/773,627 patent/US10022684B2/en active Active
- 2014-08-18 CN CN201480017679.3A patent/CN105050701A/zh active Pending
- 2014-08-18 EP EP14840582.2A patent/EP2954947B1/en active Active
- 2014-08-18 JP JP2015562947A patent/JP6242921B2/ja active Active
- 2014-08-18 WO PCT/KR2014/007636 patent/WO2015030406A1/ko active Application Filing
- 2014-08-22 TW TW103128981A patent/TWI607801B/zh active
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JP2006272139A (ja) * | 2005-03-29 | 2006-10-12 | Toray Ind Inc | ペースト攪拌装置およびペーストの製造方法 |
US20120195159A1 (en) * | 2009-10-23 | 2012-08-02 | Masanori Kitayoshi | Agitation apparatus |
KR20120068383A (ko) * | 2010-12-17 | 2012-06-27 | 비나텍주식회사 | 슬러리 혼합 장치 |
JP2013093140A (ja) * | 2011-10-24 | 2013-05-16 | Akira Kiko Kk | 電池電極用スラリーの製造方法 |
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CN105050701A (zh) | 2015-11-11 |
EP2954947A4 (en) | 2016-02-17 |
EP2954947A1 (en) | 2015-12-16 |
TW201524591A (zh) | 2015-07-01 |
JP6242921B2 (ja) | 2017-12-06 |
EP2954947B1 (en) | 2019-02-27 |
US10022684B2 (en) | 2018-07-17 |
KR20150025684A (ko) | 2015-03-11 |
JP2016516269A (ja) | 2016-06-02 |
TWI607801B (zh) | 2017-12-11 |
US20160023173A1 (en) | 2016-01-28 |
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