KR100263153B1 - 리튬이온2차전지의전극결합제와활물질슬러리제조방법 - Google Patents
리튬이온2차전지의전극결합제와활물질슬러리제조방법 Download PDFInfo
- Publication number
- KR100263153B1 KR100263153B1 KR1019980001886A KR19980001886A KR100263153B1 KR 100263153 B1 KR100263153 B1 KR 100263153B1 KR 1019980001886 A KR1019980001886 A KR 1019980001886A KR 19980001886 A KR19980001886 A KR 19980001886A KR 100263153 B1 KR100263153 B1 KR 100263153B1
- Authority
- KR
- South Korea
- Prior art keywords
- binder
- active material
- secondary battery
- polyvinylidene fluoride
- rubber
- Prior art date
Links
- 239000011149 active material Substances 0.000 title claims abstract description 41
- 239000011883 electrode binding agent Substances 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 title abstract description 8
- 229910052744 lithium Inorganic materials 0.000 title description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title description 6
- 239000002033 PVDF binder Substances 0.000 claims abstract description 29
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 29
- 239000011230 binding agent Substances 0.000 claims abstract description 28
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 229920001519 homopolymer Polymers 0.000 claims abstract description 22
- 239000005060 rubber Substances 0.000 claims abstract description 22
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 229920005596 polymer binder Polymers 0.000 claims abstract description 15
- 239000002491 polymer binding agent Substances 0.000 claims abstract description 15
- 239000006258 conductive agent Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 13
- 229920001577 copolymer Polymers 0.000 claims description 11
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 16
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 6
- ZQLKHPNBHSTSIE-UHFFFAOYSA-N dimethoxy carbonate Chemical compound COOC(=O)OOC ZQLKHPNBHSTSIE-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- FMZAYHNSJGQHCZ-UHFFFAOYSA-J tetralithium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Li+].[Li+].[Li+].[Li+] FMZAYHNSJGQHCZ-UHFFFAOYSA-J 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- XWOPAUAIBOHRFW-UHFFFAOYSA-M [Li+].[F-].F.F.F.P Chemical compound [Li+].[F-].F.F.F.P XWOPAUAIBOHRFW-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002388 carbon-based active material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- -1 lithium fluorinated phosphorus lithium Chemical class 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (7)
- 폴리비닐리덴 플루오라이드 호모폴리머와, 폴리비닐리덴 플루오라이드 코폴리머 또는 러버계 고분자 결합제를 포함하는 리튬이온 2차 전지의 전극 결합제.
- 제 1 항에 있어서, 상기 폴리비닐리덴 플루오라이드 코플리머가 폴리비닐리덴 플루오라이드와 헥사플루오로프로필렌의 공중합체인 것을 특징으로 하는 리튬이온 2차 전지의 전극 결합제.
- 제 2 항에 있어서, 상기 호모폴리머와 코폴리머의 혼합 비율이 50 대 50 내지 95 대 5 정도인 것을 특징으로 하는 리튬이온 2차 전지의 전극 결합제.
- 제 1 항에 있어서, 상기 러버계 고분자 결합제는 스틸렌 부타니엔 러버인 것을 특징으로 하는 리튬이온 2차 전지의 전극 결합제.
- 제 1 항에 있어서, 상기 러버계 고분자 결합제는 에틸렌프로필렌디엔모노머인 것을 특징으로 하는 리튬이온 2차 전지의 전극 결합제.
- 제 1 항에 있어서, 상기 폴리비닐리덴 플루오라이드 호모폴리머와 러버계 고분자 결합제의 혼합 중량비율은 20 대 80 내지 80 대 20 정도인 것을 특징으로 하는 리튬이온 2차 전지의 전극 결합제
- 폴리비닐리덴 플루오라이드 호모폴리머와, 폴리비닐리덴 플루오라이드 코폴리머 또는 러버계 고분자 결합제를 혼합하고, 이 혼합물을 N-메틸피롤리돈에 용해시켜 결합제 용액을 제조한 다음, 이 결합제 용액에 활물질과 도전제를 혼합하여 제조하는 것을 특징으로 하는 리튬이온 2차 전지의 활물질 슬러리 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980001886A KR100263153B1 (ko) | 1998-01-22 | 1998-01-22 | 리튬이온2차전지의전극결합제와활물질슬러리제조방법 |
US09/081,835 US6294290B1 (en) | 1998-01-22 | 1998-05-19 | Electrode binder for a lithium-ion secondary battery and method for manufacturing active material slurry using the same |
JP16421898A JP4303330B2 (ja) | 1998-01-22 | 1998-05-28 | リチウムイオン二次電池の電極結合剤及びその活物質スラリーの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980001886A KR100263153B1 (ko) | 1998-01-22 | 1998-01-22 | 리튬이온2차전지의전극결합제와활물질슬러리제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990066183A KR19990066183A (ko) | 1999-08-16 |
KR100263153B1 true KR100263153B1 (ko) | 2000-08-01 |
Family
ID=19531943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980001886A KR100263153B1 (ko) | 1998-01-22 | 1998-01-22 | 리튬이온2차전지의전극결합제와활물질슬러리제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6294290B1 (ko) |
JP (1) | JP4303330B2 (ko) |
KR (1) | KR100263153B1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100496276B1 (ko) * | 1998-09-29 | 2005-09-09 | 삼성에스디아이 주식회사 | 이차전지의 전극 바인더와 이를 이용한 활물질 슬러리의 제조방법 |
KR100377320B1 (ko) * | 2000-04-11 | 2003-03-26 | 주식회사 엘지화학 | 속도와 온도 특성이 우수한 리튬 이온 폴리머 전지 및그의 제조 방법 |
US7381496B2 (en) | 2004-05-21 | 2008-06-03 | Tiax Llc | Lithium metal oxide materials and methods of synthesis and use |
US20070207364A1 (en) * | 2006-03-03 | 2007-09-06 | Abd Elhamid Mahmoud H | Fuel cells comprising moldable gaskets, and methods of making |
JP5202824B2 (ja) * | 2006-07-14 | 2013-06-05 | Necエナジーデバイス株式会社 | 非水電解質二次電池 |
JP5879673B2 (ja) * | 2009-09-03 | 2016-03-08 | ソニー株式会社 | 非水電解質二次電池用負極の製造方法 |
JP5557793B2 (ja) * | 2011-04-27 | 2014-07-23 | 株式会社日立製作所 | 非水電解質二次電池 |
US20150280239A1 (en) | 2014-04-01 | 2015-10-01 | Ppg Industries Ohio, Inc. | Aqueous binder composition for lithium ion electrical storage devices |
US9385374B2 (en) | 2014-04-01 | 2016-07-05 | Ppg Industries Ohio, Inc. | Electrode binder composition for lithium ion electrical storage devices |
JP6885864B2 (ja) | 2014-04-18 | 2021-06-16 | マックスウェル テクノロジーズ インコーポレイテッド | エネルギー貯蔵装置の乾式電極とその製造方法 |
JP6523443B2 (ja) | 2014-10-02 | 2019-05-29 | エルジー・ケム・リミテッド | ゴム系バインダーを含む正極活物質スラリー及びこれから製造された正極 |
KR101764470B1 (ko) | 2014-10-02 | 2017-08-02 | 주식회사 엘지화학 | 이종의 바인더를 포함하는 양극 활물질 슬러리 및 이로부터 제조된 양극 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5839922B2 (ja) * | 1978-08-24 | 1983-09-02 | 呉羽化学工業株式会社 | ポリ弗化ビニリデン系樹脂フイラメント |
US5238739A (en) * | 1987-03-06 | 1993-08-24 | Kureha Kagaku Kogyo K.K. | Abrasive filaments and production process thereof |
JP2966261B2 (ja) * | 1993-11-02 | 1999-10-25 | 三菱電線工業株式会社 | リチウム電池用正極材及びその製造方法 |
EP0662728B1 (en) * | 1993-12-29 | 1998-04-29 | TDK Corporation | Lithium secondary cell |
AU3754195A (en) * | 1994-10-27 | 1996-05-23 | Fuji Photo Film Co., Ltd. | Nonaqueous secondary cell and its manufacturing method |
JP3500245B2 (ja) * | 1995-08-01 | 2004-02-23 | 株式会社リコー | ゲル状固体電解質二次電池 |
US5756230A (en) * | 1996-06-20 | 1998-05-26 | Valence Technology, Inc. | Fluoropolymer blends for polymeric electrolyte and electrodes |
GB2327293A (en) * | 1997-06-23 | 1999-01-20 | Solvay | Novel lithium batteries |
-
1998
- 1998-01-22 KR KR1019980001886A patent/KR100263153B1/ko not_active IP Right Cessation
- 1998-05-19 US US09/081,835 patent/US6294290B1/en not_active Expired - Lifetime
- 1998-05-28 JP JP16421898A patent/JP4303330B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP4303330B2 (ja) | 2009-07-29 |
JPH11214012A (ja) | 1999-08-06 |
KR19990066183A (ko) | 1999-08-16 |
US6294290B1 (en) | 2001-09-25 |
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