KR20140104268A - 전지용 바인더, 이를 채용한 음극과 리튬전지 - Google Patents
전지용 바인더, 이를 채용한 음극과 리튬전지 Download PDFInfo
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- KR20140104268A KR20140104268A KR1020130018253A KR20130018253A KR20140104268A KR 20140104268 A KR20140104268 A KR 20140104268A KR 1020130018253 A KR1020130018253 A KR 1020130018253A KR 20130018253 A KR20130018253 A KR 20130018253A KR 20140104268 A KR20140104268 A KR 20140104268A
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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
- H01M4/621—Binders
- H01M4/622—Binders being polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
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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
- 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
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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
- H01M4/134—Electrodes based on metals, Si or alloys
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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
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
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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
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
<도면의 주요 부분에 대한 부호의 설명>
1: 리튬전지 2: 음극
3: 양극 4: 세퍼레이터
5: 전지케이스 6: 캡 어셈블리
| 탄성율[109 Pa] | |
| 실시예 1 | 8 |
| 실시예 2 | 12 |
| 실시예 3 | 9 |
| 실시예 4 | 10 |
| 비교예 1 | 3 |
| 비교예 2 | 2 |
| 30th 사이클에서 용량유지율 |
|
| 실시예 5 | 88.9 |
| 실시예 6 | 90.1 |
| 실시예 7 | 89.1 |
| 실시예 8 | 89.9 |
| 비교예 3 | 83.7 |
| 비교예 4 | 83.8 |
Claims (21)
- 폴리우레탄입자; 및
바인더중합체;를 포함하는 전지용 바인더 - 제 1 항에 있어서, 상기 폴리우레탄입자의 평균입경이 10nm 내지 200nm인 전지용 바인더.
- 제 1 항에 있어서, 상기 바인더중합체에 대한 상기 폴리우레탄입자의 중량비가 100:10 내지 100:60인 전지용 바인더.
- 제 1 항에 있어서, 상기 전지용 바인더가 2 이상의 유리전이온도를 가지는 전지용 바인더.
- 제 1 항에 있어서, 상기 전지용 바인더가 적어도 30℃ 이하의 유리전이온도를 하나 이상 가지는 전지용 바인더.
- 제 1 항에 있어서, 상기 전지용 바인더가 적어도 30℃ 초과의 유리전이온도를 하나 이상 가지는 전지용 바인더.
- 제 1 항에 있어서, 상기 전지용 바인더의 제 1 유리전이온도가 -10℃ 내지 20℃이고 제 2 유리전이온도가 60℃도 이상인 전지용 바인더.
- 제 1 항에 있어서, 상기 전지용 바인더의 제 1 유리전이온도가 -10℃ 내지 20℃이고 제 2 유리전이온도가 90℃ 이상인 전지용 바인더.
- 제 1 항에 있어서, 상기 전지용 바인더가 제 1 유리전이온도와 제 2 유리전이온도를 포함하며, 상기 제 1 유리전이온도와 상기 제 2 유리전이온도의 차이가 40℃ 이상인 전지용 바인더.
- 제 1 항에 있어서, 결합제를 추가적으로 포함하는 전지용 바인더.
- 제 10 항에 있어서, 상기 결합제가 카르복실기와 반응성을 가지는 작용기를 포함하는 전지용 바인더.
- 제 10 항에 있어서, 상기 결합제가 카르보디이미드계(carbodiimide-based) 화합물인 전지용 바인더.
- 폴리우레탄입자;
바인더중합체입자; 및
용매를 포함하는 전지용 바인더 조성물. - 제 13 항에 있어서, 상기 바인더중합체입자 100 중량부에 대하여 폴리우레탄입자 10 내지 60 중량부를 포함하는 조성물.
- 제 13 항에 있어서, 상기 폴리우레탄입자의 평균입경이 10nm 내지 200nm인 조성물.
- 제 13 항에 있어서, 상기 바인더중합체입자의 평균입경이 50nm 내지 500nm 조성물.
- 음극활물질; 및
제 1 항 내지 제 12 항 중 어느 한 항에 따른 전지용 바인더를 포함하는 음극. - 제 17 항에 있어서, 상기 폴리우레탄입자가 분산된 전지용 바인더를 포함하는 음극.
- 제 17 항에 있어서, 상기음극활물질이 Si, Sn, Pb, Ge, Al, SiOx(0<x≤2), SnOy(0<y≤2), Li4Ti5O12, TiO2, LiTiO3 및 Li2Ti3O7로 이루어진 군에서 선택된 하나 이상을 포함하는 음극.
- 제 17 항에 있어서, 상기 음극활물질이 탄소계 음극활물질을 추가적으로 포함하는 음극.
- 제 17 항에 따른 음극을 채용한 리튬전지.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130018253A KR20140104268A (ko) | 2013-02-20 | 2013-02-20 | 전지용 바인더, 이를 채용한 음극과 리튬전지 |
| US14/184,604 US9761879B2 (en) | 2013-02-20 | 2014-02-19 | Binder for battery, and anode and lithium battery including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130018253A KR20140104268A (ko) | 2013-02-20 | 2013-02-20 | 전지용 바인더, 이를 채용한 음극과 리튬전지 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020170134230A Division KR101872474B1 (ko) | 2017-10-16 | 2017-10-16 | 전지용 바인더, 이를 채용한 음극과 리튬전지 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20140104268A true KR20140104268A (ko) | 2014-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020130018253A Ceased KR20140104268A (ko) | 2013-02-20 | 2013-02-20 | 전지용 바인더, 이를 채용한 음극과 리튬전지 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US9761879B2 (ko) |
| KR (1) | KR20140104268A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2026089554A1 (ko) * | 2024-10-25 | 2026-04-30 | 주식회사 엘지에너지솔루션 | 전극 조성물, 전극 슬러리, 전극 및 리튬 이차 전지 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9570751B2 (en) * | 2013-02-26 | 2017-02-14 | Samsung Sdi Co., Ltd. | Binder composition for secondary battery, anode including the binder composition, and lithium battery including the anode |
| US9972838B2 (en) | 2016-07-29 | 2018-05-15 | Blue Current, Inc. | Solid-state ionically conductive composite electrodes |
| US20180254518A1 (en) | 2017-03-03 | 2018-09-06 | Blue Current, Inc. | Polymerized in-situ hybrid solid ion-conductive compositions |
| US11581570B2 (en) | 2019-01-07 | 2023-02-14 | Blue Current, Inc. | Polyurethane hybrid solid ion-conductive compositions |
| US12166239B2 (en) | 2019-12-20 | 2024-12-10 | Blue Current, Inc. | Polymer microspheres as binders for composite electrolytes |
| KR20220121243A (ko) | 2019-12-20 | 2022-08-31 | 블루 커런트, 인크. | 결합제가 있는 복합 전해질 |
| US11394054B2 (en) * | 2019-12-20 | 2022-07-19 | Blue Current, Inc. | Polymer microspheres as binders for composite electrolytes |
| JP7629436B2 (ja) * | 2022-12-08 | 2025-02-13 | 第一工業製薬株式会社 | 電極用バインダー組成物及びその製造方法並びに電極用塗工液組成物 |
| CN116111100B (zh) * | 2023-04-12 | 2023-09-19 | 深圳好电科技有限公司 | 锂离子电池负极材料及其制备方法、锂离子电池 |
| JP7353531B1 (ja) * | 2023-07-25 | 2023-09-29 | 第一工業製薬株式会社 | リチウム二次電池の電極用結着剤、電極用結着剤組成物、負極、及びリチウム二次電池 |
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| KR101386163B1 (ko) * | 2007-07-19 | 2014-04-17 | 삼성에스디아이 주식회사 | 복합 음극활물질, 이를 채용한 음극 및 리튬 전지 |
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| KR20130134917A (ko) * | 2012-05-31 | 2013-12-10 | 삼성에스디아이 주식회사 | 리튬 전지의 전극용 바인더 및 이를 채용한 전극 및 리튬 전지 |
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-
2013
- 2013-02-20 KR KR1020130018253A patent/KR20140104268A/ko not_active Ceased
-
2014
- 2014-02-19 US US14/184,604 patent/US9761879B2/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2026089554A1 (ko) * | 2024-10-25 | 2026-04-30 | 주식회사 엘지에너지솔루션 | 전극 조성물, 전극 슬러리, 전극 및 리튬 이차 전지 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9761879B2 (en) | 2017-09-12 |
| US20140231706A1 (en) | 2014-08-21 |
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