KR20050022567A - 그라파이트 나노섬유 막을 적용한 리튬/유황 이차전지 - Google Patents
그라파이트 나노섬유 막을 적용한 리튬/유황 이차전지 Download PDFInfo
- Publication number
- KR20050022567A KR20050022567A KR1020030059362A KR20030059362A KR20050022567A KR 20050022567 A KR20050022567 A KR 20050022567A KR 1020030059362 A KR1020030059362 A KR 1020030059362A KR 20030059362 A KR20030059362 A KR 20030059362A KR 20050022567 A KR20050022567 A KR 20050022567A
- Authority
- KR
- South Korea
- Prior art keywords
- lithium
- sulfur
- secondary battery
- sulfur secondary
- polymer
- Prior art date
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- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 61
- 239000011593 sulfur Substances 0.000 title claims abstract description 61
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 53
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000002121 nanofiber Substances 0.000 title claims abstract description 27
- 239000012528 membrane Substances 0.000 title claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 26
- 239000010439 graphite Substances 0.000 claims abstract description 26
- 229920000642 polymer Polymers 0.000 claims description 15
- 239000011149 active material Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000005518 polymer electrolyte Substances 0.000 claims description 6
- 229920001021 polysulfide Polymers 0.000 claims description 5
- 239000005077 polysulfide Substances 0.000 claims description 5
- 150000008117 polysulfides Polymers 0.000 claims description 5
- 229910052723 transition metal Inorganic materials 0.000 claims description 5
- 150000003624 transition metals Chemical class 0.000 claims description 5
- 239000011245 gel electrolyte Substances 0.000 claims description 4
- 229910018091 Li 2 S Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- GJEAMHAFPYZYDE-UHFFFAOYSA-N [C].[S] Chemical compound [C].[S] GJEAMHAFPYZYDE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 229920001940 conductive polymer Polymers 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011244 liquid electrolyte Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 6
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- 229920006370 Kynar Polymers 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (7)
- 리튬/유황 이차전지에 있어서, 양극집전체(11), 양극(12), 이온전도 매개체(14), 음극(15) 및 음극집전체(16)로 구성되어 있되 상기 양극(11)과 이온전도 매개체(14) 사이에 그라파이트 나노섬유 막(13)을 첨가하여서 된 것을 특징으로 하는 리튬/유황 이차전지.
- 제 1항에 있어서, 상기 그라파이트 나노섬유 막(13)은 그라파이트 나노섬유를 5시간 동안 초음파를 행한 후 PVdF-co-HFP 고분자를 첨가한 후 약 24 내지 48시간 동안 자기교반하는 것에 의해 제조된 것을 특징으로 하는 리튬/유황 이차전지.
- 제 2항에 있어서, 상기 그라파이트 나노섬유와 상기 PVdF-co-HFP 고분자는 중량비로 70 : 30에서 80 : 20으로 혼합하여서 제조된 것을 특징으로 하는 리튬/유황 이차전지.
- 제 1항에 있어서, 상기 양극은 황을 포함하는 활물질과 탄소 또는 전도성 고분자로 이루어지는 도전재와 고분자로 이루어지는 바인더를 혼합한 혼합물에 상기 그라파이트 나노섬유막을 포함하는 것을 특징으로 하는 리튬/유황 이차전지.
- 제 4항에 있어서, 상기 활물질은 황분자(S8), 폴리설파이드(Li2Sx, X>1), 황-카본 폴리머로 이루어진 군으로부터 하나를 선택하여서 된 것을 특징으로 하는 리튬/유황 이차전지.
- 제 1항에 있어서, 상기 음극은 Li, Na, Mg와 같은 천이금속 또는 천이금속의 합금 또는 탄소로 이루어진 것을 특징으로 하는 리튬/유황 이차전지.
- 제 1항에 있어서, 상기 이온전도 매개체는 고체 고분자 전해질과 겔형 전해질, 액체 전해질로 이루어진 군으로부터 하나를 선택하여서 된 것을 특징으로 하는 리튬/유황 이차전지.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020030059362A KR20050022567A (ko) | 2003-08-27 | 2003-08-27 | 그라파이트 나노섬유 막을 적용한 리튬/유황 이차전지 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030059362A KR20050022567A (ko) | 2003-08-27 | 2003-08-27 | 그라파이트 나노섬유 막을 적용한 리튬/유황 이차전지 |
Publications (1)
Publication Number | Publication Date |
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KR20050022567A true KR20050022567A (ko) | 2005-03-08 |
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Family Applications (1)
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KR1020030059362A KR20050022567A (ko) | 2003-08-27 | 2003-08-27 | 그라파이트 나노섬유 막을 적용한 리튬/유황 이차전지 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100758383B1 (ko) * | 2006-07-20 | 2007-09-14 | 경상대학교산학협력단 | 리튬/유황이차전지용 탄소 코팅 유황전극 |
WO2014027841A1 (ko) * | 2012-08-16 | 2014-02-20 | 부산대학교 산학협력단 | 리튬-설퍼 전지용 양극의 제조 방법 및 리튬 설퍼 전지 |
WO2015141952A1 (ko) * | 2014-03-19 | 2015-09-24 | (주)오렌지파워 | 리튬 설퍼 전지 |
US20150311489A1 (en) * | 2014-04-28 | 2015-10-29 | Hyundai Motor Company | Anode structure of lithium sulfur battery |
US10446874B2 (en) | 2014-10-31 | 2019-10-15 | Lg Chem, Ltd. | Lithium sulfur battery and method for producing same |
-
2003
- 2003-08-27 KR KR1020030059362A patent/KR20050022567A/ko not_active Application Discontinuation
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100758383B1 (ko) * | 2006-07-20 | 2007-09-14 | 경상대학교산학협력단 | 리튬/유황이차전지용 탄소 코팅 유황전극 |
WO2014027841A1 (ko) * | 2012-08-16 | 2014-02-20 | 부산대학교 산학협력단 | 리튬-설퍼 전지용 양극의 제조 방법 및 리튬 설퍼 전지 |
KR101365679B1 (ko) * | 2012-08-16 | 2014-02-20 | 부산대학교 산학협력단 | 리튬-설퍼 전지용 양극의 제조 방법 및 리튬 설퍼 전지 |
US20150221937A1 (en) * | 2012-08-16 | 2015-08-06 | Pusan National University Industry-University Cooperation Foundation [Kr/Kr] | Method for manufacturing positive electrode for lithium-sulfur battery and lithium-sulfur battery |
US9853285B2 (en) * | 2012-08-16 | 2017-12-26 | Pusan National University Industry-University Cooperation Foundation | Method for manufacturing electrode for lithium-sulfur battery and lithium-sulfur battery |
WO2015141952A1 (ko) * | 2014-03-19 | 2015-09-24 | (주)오렌지파워 | 리튬 설퍼 전지 |
US20150311489A1 (en) * | 2014-04-28 | 2015-10-29 | Hyundai Motor Company | Anode structure of lithium sulfur battery |
JP2015211030A (ja) * | 2014-04-28 | 2015-11-24 | 現代自動車株式会社Hyundaimotor Company | リチウム硫黄バッテリーの陽極構造 |
US10056593B2 (en) * | 2014-04-28 | 2018-08-21 | Hyundai Motor Company | Lithium sulfur battery anode structure including carbon coating layer and carbon structure layer immersed with sulfur |
US10446874B2 (en) | 2014-10-31 | 2019-10-15 | Lg Chem, Ltd. | Lithium sulfur battery and method for producing same |
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