JP4670246B2 - リチウムイオン二次電池 - Google Patents
リチウムイオン二次電池 Download PDFInfo
- Publication number
- JP4670246B2 JP4670246B2 JP2004087359A JP2004087359A JP4670246B2 JP 4670246 B2 JP4670246 B2 JP 4670246B2 JP 2004087359 A JP2004087359 A JP 2004087359A JP 2004087359 A JP2004087359 A JP 2004087359A JP 4670246 B2 JP4670246 B2 JP 4670246B2
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- electrolyte
- positive electrode
- secondary battery
- separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 13
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 13
- 239000003792 electrolyte Substances 0.000 claims description 45
- 150000001875 compounds Chemical class 0.000 claims description 38
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- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 8
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 6
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- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims 2
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 15
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- 239000001257 hydrogen Substances 0.000 description 2
- 239000005001 laminate film Substances 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
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- 229910052710 silicon Inorganic materials 0.000 description 2
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- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical class O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- WBPWDGRYHFQTRC-UHFFFAOYSA-N 2-ethoxycyclohexan-1-one Chemical compound CCOC1CCCCC1=O WBPWDGRYHFQTRC-UHFFFAOYSA-N 0.000 description 1
- CBQMKYHLDADRLN-UHFFFAOYSA-N 7-methylhypoxanthine Chemical compound N1C=NC(=O)C2=C1N=CN2C CBQMKYHLDADRLN-UHFFFAOYSA-N 0.000 description 1
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- 229910017115 AlSb Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
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- 229910019974 CrSi Inorganic materials 0.000 description 1
- 229910016521 CuMgSb Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical class C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910005329 FeSi 2 Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910010199 LiAl Inorganic materials 0.000 description 1
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013528 LiN(SO2 CF3)2 Inorganic materials 0.000 description 1
- 229910013553 LiNO Inorganic materials 0.000 description 1
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- 229910012404 LiSnO Inorganic materials 0.000 description 1
- 229910018000 MIIPO 4 Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910019018 Mg 2 Si Inorganic materials 0.000 description 1
- 229910019021 Mg 2 Sn Inorganic materials 0.000 description 1
- 229910017028 MnSi Inorganic materials 0.000 description 1
- 229910016006 MoSi Inorganic materials 0.000 description 1
- 229910005881 NiSi 2 Inorganic materials 0.000 description 1
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- 229910003617 SiB Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- 229910008484 TiSi Inorganic materials 0.000 description 1
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- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- CXRFFSKFQFGBOT-UHFFFAOYSA-N bis(selanylidene)niobium Chemical compound [Se]=[Nb]=[Se] CXRFFSKFQFGBOT-UHFFFAOYSA-N 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
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- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
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- 210000001787 dendrite Anatomy 0.000 description 1
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- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
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- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
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- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
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- 150000002596 lactones Chemical class 0.000 description 1
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- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
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- XQHAGELNRSUUGU-UHFFFAOYSA-M lithium chlorate Chemical compound [Li+].[O-]Cl(=O)=O XQHAGELNRSUUGU-UHFFFAOYSA-M 0.000 description 1
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910052912 lithium silicate Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
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- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
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- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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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- Secondary Cells (AREA)
Description
実施例1〜14および比較例1〜8として、実施の形態において説明した二次電池を作製した。まず、炭酸リチウム(Li2 CO3 )と炭酸コバルト(CoCO3 )とを0.5mol:1molの比率で混合し、空気中において900℃で5時間焼成し、コバルト酸リチウム(LiCoO2 )を得た。次いで、得られたコバルト酸リチウムを正極活物質とし、コバルト酸リチウム91質量部と、導電剤である黒鉛6質量部と、結着剤であるポリフッ化ビニリデン3質量部とを混合して正極合剤を調製した。次いで、この正極合剤を溶剤であるN−メチル−2−ピロリドンに分散させて正極合剤スラリーを作製し、この正極合剤スラリーを厚み20μmの帯状アルミニウム箔よりなる正極集電体21Aに均一に塗布し乾燥させたのち、ロールプレス機で圧縮成形して正極活物質層21Bを形成し、正極21を作製した。
Claims (4)
- 正極と負極とが電解質およびセパレータを介して対向配置され、前記電解質は高分子化合物を含み、
前記負極と前記セパレータとのT字剥離試験における剥離強度が70N/m以上1200N/m以下である、
リチウムイオン二次電池。 - 前記電解質は、前記高分子化合物としてビニリデンフルオライドとヘキサフルオロプロピレンとの成分を含む共重合体を含有する、請求項1記載のリチウムイオン二次電池。
- 前記共重合体は、更に、不飽和二塩基酸を有するモノエステル,エポキシ基含有アクリル酸ビニルモノマー,ハロゲン化エチレンおよび不飽和化合物の環状炭酸エステルからなる群のうち少なくとも1種を成分として含む、請求項2記載のリチウムイオン二次電池。
- 前記共重合体におけるヘキサフルオロプロピレン, 不飽和二塩基酸を有するモノエステル,エポキシ基含有アクリル酸ビニルモノマー,ハロゲン化エチレンおよび不飽和化合物の環状炭酸エステルの共重合量は、合計で、共重合体全体に対して3質量%以上20質量%以下である、請求項3記載のリチウムイオン二次電池。
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JP5098194B2 (ja) * | 2006-03-24 | 2012-12-12 | ソニー株式会社 | 電池 |
JP4741526B2 (ja) * | 2006-08-14 | 2011-08-03 | ソニー株式会社 | 非水電解質二次電池 |
US7955731B2 (en) * | 2006-08-14 | 2011-06-07 | Sony Corporation | Nonaqueous electrolyte secondary cell |
Citations (9)
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JPH11130821A (ja) * | 1997-07-24 | 1999-05-18 | Kureha Chem Ind Co Ltd | ゲル状固体電解質形成用フッ化ビニリデン系共重合体、固体電解質および電池 |
WO1999034372A1 (fr) * | 1997-12-26 | 1999-07-08 | Kureha Chemical Ind Co Ltd | Electrolyte polymere et batterie non aqueuse comprenant cet electrolyte |
JPH11312535A (ja) * | 1998-04-27 | 1999-11-09 | Sony Corp | 固体電解質二次電池 |
JPH11312536A (ja) * | 1998-04-27 | 1999-11-09 | Sony Corp | 固体電解質二次電池 |
JPH11329448A (ja) * | 1998-05-15 | 1999-11-30 | Asahi Glass Co Ltd | 非水系二次電池用正極集電体及び該集電体を有する非水系二次電池 |
JP2000315523A (ja) * | 1999-04-30 | 2000-11-14 | Teijin Ltd | 電解液担持ポリマー膜及びそれを用いた二次電池 |
JP2002008723A (ja) * | 2000-06-16 | 2002-01-11 | Sony Corp | ゲル状電解質及び非水電解質電池 |
JP2002042877A (ja) * | 2000-07-25 | 2002-02-08 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
JP2002042883A (ja) * | 2001-05-15 | 2002-02-08 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
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2004
- 2004-03-24 JP JP2004087359A patent/JP4670246B2/ja not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11130821A (ja) * | 1997-07-24 | 1999-05-18 | Kureha Chem Ind Co Ltd | ゲル状固体電解質形成用フッ化ビニリデン系共重合体、固体電解質および電池 |
WO1999034372A1 (fr) * | 1997-12-26 | 1999-07-08 | Kureha Chemical Ind Co Ltd | Electrolyte polymere et batterie non aqueuse comprenant cet electrolyte |
JPH11312535A (ja) * | 1998-04-27 | 1999-11-09 | Sony Corp | 固体電解質二次電池 |
JPH11312536A (ja) * | 1998-04-27 | 1999-11-09 | Sony Corp | 固体電解質二次電池 |
JPH11329448A (ja) * | 1998-05-15 | 1999-11-30 | Asahi Glass Co Ltd | 非水系二次電池用正極集電体及び該集電体を有する非水系二次電池 |
JP2000315523A (ja) * | 1999-04-30 | 2000-11-14 | Teijin Ltd | 電解液担持ポリマー膜及びそれを用いた二次電池 |
JP2002008723A (ja) * | 2000-06-16 | 2002-01-11 | Sony Corp | ゲル状電解質及び非水電解質電池 |
JP2002042877A (ja) * | 2000-07-25 | 2002-02-08 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
JP2002042883A (ja) * | 2001-05-15 | 2002-02-08 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
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