KR20220146842A - 음극 슬러리 물성 측정 방법 - Google Patents
음극 슬러리 물성 측정 방법 Download PDFInfo
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- KR20220146842A KR20220146842A KR1020210053607A KR20210053607A KR20220146842A KR 20220146842 A KR20220146842 A KR 20220146842A KR 1020210053607 A KR1020210053607 A KR 1020210053607A KR 20210053607 A KR20210053607 A KR 20210053607A KR 20220146842 A KR20220146842 A KR 20220146842A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
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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
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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
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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- H—ELECTRICITY
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- H01M4/621—Binders
- H01M4/622—Binders being polymers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N2011/0026—Investigating specific flow properties of non-Newtonian fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N2011/0026—Investigating specific flow properties of non-Newtonian fluids
- G01N2011/0033—Yield stress; Residual stress at zero shear rate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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- 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
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- 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
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- Battery Electrode And Active Subsutance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
도 2는 (s1) 단계를 나타내는 블록도이다.
도 3은 음극 슬러리의 니딩 상태를 나타내는 사진이다.
도 4는 (s2) 단계를 나타내는 블록도이다.
도 5는 (s2) 단계에서 측정 시스템을 나타내는 개념도이다.
도 6은 (s2) 단계에서 측정 막대를 나타내는 사시도이다.
도 7은 (s2) 단계에서 측정 막대의 다른 실시 양태를 나타내는 사시도이다.
도 8은 삽입 길이 및 그에 따른 부하 값을 나타내는 그래프이다.
| 실시예 1 | 실시예 2 | |
| 음극 슬러리 조성 | 인조흑연/도전재/CMC/SBR=96.1/0.5/1.1/2.3 | |
| 제1 예비 슬러리와 제2 예비 슬러리에서 CMC 비율 | 66.1/33.9 | 60.9/39.1 |
| 니딩 에너지[mJ] | 187.9 | 253.7 |
| Cobetter RK (150㎛) 필터 통과 유무 | X | O |
Claims (8)
- (s1) 증점제로서 CMC(carboxy methyl cellulose)를 포함하는 음극 슬러리를 니딩(kneading) 상태로 준비하는 단계;
(s2) 측정 막대의 일단부를 상기 니딩 상태의 음극 슬러리에 삽입하고, 상기 측정 막대가 상기 니딩 상태의 음극 슬러리에 삽입되는 삽입 길이 및 상기 삽입 길이에 따른 부하 값을 측정하는 단계; 및
(s3) 상기 (s2) 단계에서 측정된 상기 부하 값을 상기 삽입 길이 값에 따라 적분하여 니딩 에너지(kneading energy)를 산출하는 단계를 포함하는 것인 음극 슬러리 물성 측정 방법. - 제1항에 있어서,
상기 (s1) 단계는,
(s1-1) 음극 활물질, 도전재, 상기 CMC, 바인더 및 용매를 포함하는 예비 슬러리를 준비하는 단계; 및
(s1-2) 상기 예비 슬러리를 교반하여 상기 니딩 상태의 상기 음극 슬러리를 제조하는 단계를 포함하는 것인 음극 슬러리 물성 측정 방법. - 제2항에 있어서,
상기 (s1-1) 단계에서 상기 CMC는 상기 음극 활물질 100 중량부에 대하여 0.5 내지 2 중량부의 양으로 포함되는 것인 음극 슬러리 물성 측정 방법. - 제3항에 있어서,
상기 (s2) 단계는,
(s2-1) 상기 음극 슬러리를 설정 규격으로 준비하는 단계;
(s2-2) 상기 음극 슬러리를 측정 수단에 거치하는 단계;
(s2-3) 상기 측정 막대의 일단부를 상기 니딩 상태의 음극 슬러리에 삽입하는 단계; 및
(s2-4) 상기 측정 막대가 상기 음극 슬러리에 삽입된 상기 삽입 길이에 따른 부하 값을 수집하는 단계를 포함하는 것인 음극 슬러리 물성 측정 방법. - 제4항에 있어서,
상기 (s2-1) 단계에서,
상기 음극 슬러리는 원통 형상의 봉으로 마련되고,
상기 설정 규격은 지름이 2 cm 이상이고 높이 4 cm 이상인 것인 음극 슬러리 물성 측정 방법. - 제4항에 있어서,
상기 (s2-3) 단계에서,
상기 측정 막대는 상기 측정 막대는 스텐레스 소재로 형성되는 것인 음극 슬러리 물성 측정 방법. - 제4항에 있어서,
상기 (s2-3) 단계에서,
상기 측정 막대는 상기 측정 막대의 길이 방향을 따라 이동하여 상기 음극 슬러리에 삽입되고,
상기 측정 막대는 상기 음극 슬러리에 0.5 내지 2 mm/s 속도로 삽입되는 것인 음극 슬러리 물성 측정 방법. - 제7항에 있어서,
상기 (s2-3) 단계에서,
상기 측정 막대의 상기 일단부는 상기 측정 막대의 길이 방향에 대해서 경사면을 포함하도록 형성되는 것인 음극 슬러리 물성 측정 방법.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210053607A KR20220146842A (ko) | 2021-04-26 | 2021-04-26 | 음극 슬러리 물성 측정 방법 |
| US18/028,797 US12442754B2 (en) | 2021-04-26 | 2022-01-18 | Method for measuring properties of anode slurry |
| PL22795927.7T PL4203087T3 (pl) | 2021-04-26 | 2022-01-18 | Sposób pomiaru właściwości zawiesiny anodowej |
| CN202280008293.0A CN116686119A (zh) | 2021-04-26 | 2022-01-18 | 测量阳极浆料的性质的方法 |
| ES22795927T ES3047689T3 (en) | 2021-04-26 | 2022-01-18 | Method for measuring properties of anode slurry |
| EP22795927.7A EP4203087B1 (en) | 2021-04-26 | 2022-01-18 | Method for measuring properties of anode slurry |
| HUE22795927A HUE073167T2 (hu) | 2021-04-26 | 2022-01-18 | Eljárás anódzagy tulajdonságainak mérésére |
| PCT/KR2022/000907 WO2022231093A1 (ko) | 2021-04-26 | 2022-01-18 | 음극 슬러리 물성 측정 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210053607A KR20220146842A (ko) | 2021-04-26 | 2021-04-26 | 음극 슬러리 물성 측정 방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20220146842A true KR20220146842A (ko) | 2022-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020210053607A Pending KR20220146842A (ko) | 2021-04-26 | 2021-04-26 | 음극 슬러리 물성 측정 방법 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US12442754B2 (ko) |
| EP (1) | EP4203087B1 (ko) |
| KR (1) | KR20220146842A (ko) |
| CN (1) | CN116686119A (ko) |
| ES (1) | ES3047689T3 (ko) |
| HU (1) | HUE073167T2 (ko) |
| PL (1) | PL4203087T3 (ko) |
| WO (1) | WO2022231093A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025183260A1 (ko) * | 2024-02-29 | 2025-09-04 | 삼성에스디아이 주식회사 | 전고체 전지용 음극 슬러리의 제조방법 |
| KR20250146841A (ko) | 2024-04-02 | 2025-10-13 | 에스케이온 주식회사 | 배터리 전극의 슬러리 물성 예측 방법 및 장치 |
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| JP2692731B2 (ja) | 1994-12-02 | 1997-12-17 | 工業技術院長 | セメントの成形性測定方法。 |
| US6017084A (en) * | 1998-02-04 | 2000-01-25 | Oakwood Energy Management Inc. | Energy absorbing assembly |
| JP2006134716A (ja) | 2004-11-05 | 2006-05-25 | Sony Corp | 正極合剤ペーストの管理方法 |
| JP2010218918A (ja) * | 2009-03-17 | 2010-09-30 | Toyota Motor Corp | ペースト製造工程における粗練り時間の決定方法 |
| US9583279B2 (en) * | 2013-07-01 | 2017-02-28 | Samsung Sdi Co., Ltd. | Secondary battery |
| JP6150769B2 (ja) | 2014-08-07 | 2017-06-21 | 三菱重工業株式会社 | 分散系撹拌装置、鋳型成形システム、粘度管理用情報取得方法及びプログラム |
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| CN207096035U (zh) * | 2017-09-05 | 2018-03-13 | 深圳市晋荣建材有限公司 | 一种可拆卸盛料筒的砂浆稠度仪 |
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-
2021
- 2021-04-26 KR KR1020210053607A patent/KR20220146842A/ko active Pending
-
2022
- 2022-01-18 EP EP22795927.7A patent/EP4203087B1/en active Active
- 2022-01-18 CN CN202280008293.0A patent/CN116686119A/zh active Pending
- 2022-01-18 WO PCT/KR2022/000907 patent/WO2022231093A1/ko not_active Ceased
- 2022-01-18 PL PL22795927.7T patent/PL4203087T3/pl unknown
- 2022-01-18 US US18/028,797 patent/US12442754B2/en active Active
- 2022-01-18 ES ES22795927T patent/ES3047689T3/es active Active
- 2022-01-18 HU HUE22795927A patent/HUE073167T2/hu unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025183260A1 (ko) * | 2024-02-29 | 2025-09-04 | 삼성에스디아이 주식회사 | 전고체 전지용 음극 슬러리의 제조방법 |
| KR20250146841A (ko) | 2024-04-02 | 2025-10-13 | 에스케이온 주식회사 | 배터리 전극의 슬러리 물성 예측 방법 및 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US12442754B2 (en) | 2025-10-14 |
| EP4203087A1 (en) | 2023-06-28 |
| CN116686119A (zh) | 2023-09-01 |
| EP4203087B1 (en) | 2025-09-03 |
| WO2022231093A1 (ko) | 2022-11-03 |
| US20230288317A1 (en) | 2023-09-14 |
| HUE073167T2 (hu) | 2026-01-28 |
| ES3047689T3 (en) | 2025-12-04 |
| PL4203087T3 (pl) | 2025-12-08 |
| EP4203087A4 (en) | 2024-03-13 |
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