JP2006190690A - 非水二次電池 - Google Patents
非水二次電池 Download PDFInfo
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- JP2006190690A JP2006190690A JP2006062547A JP2006062547A JP2006190690A JP 2006190690 A JP2006190690 A JP 2006190690A JP 2006062547 A JP2006062547 A JP 2006062547A JP 2006062547 A JP2006062547 A JP 2006062547A JP 2006190690 A JP2006190690 A JP 2006190690A
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- positive electrode
- secondary battery
- current collector
- negative electrode
- separator
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011888 foil Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 10
- 229920000098 polyolefin Polymers 0.000 claims abstract description 3
- 239000003575 carbonaceous material Substances 0.000 claims description 10
- 239000007773 negative electrode material Substances 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000002441 X-ray diffraction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 25
- 238000004804 winding Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract 1
- -1 iron ions Chemical class 0.000 description 12
- 239000011244 liquid electrolyte Substances 0.000 description 11
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 10
- 150000002148 esters Chemical class 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000002033 PVDF binder Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 229910013870 LiPF 6 Inorganic materials 0.000 description 6
- 239000007774 positive electrode material Substances 0.000 description 6
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002482 conductive additive Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000003709 fluoroalkyl group Chemical group 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- FZKPQHFEMFIDNR-UHFFFAOYSA-N 2-hydroxyethyl hydrogen sulfite Chemical compound OCCOS(O)=O FZKPQHFEMFIDNR-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013372 LiC 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- HEPLMSKRHVKCAQ-UHFFFAOYSA-N lead nickel Chemical compound [Ni].[Pb] HEPLMSKRHVKCAQ-UHFFFAOYSA-N 0.000 description 1
- LCBKDULHZJKFJQ-UHFFFAOYSA-N lithium chromium(3+) oxygen(2-) Chemical compound [Li+].[O--].[O--].[Cr+3] LCBKDULHZJKFJQ-UHFFFAOYSA-N 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910002102 lithium manganese oxide 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
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 239000002931 mesocarbon microbead Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- CFJRPNFOLVDFMJ-UHFFFAOYSA-N titanium disulfide Chemical compound S=[Ti]=S CFJRPNFOLVDFMJ-UHFFFAOYSA-N 0.000 description 1
Images
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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- Cell Electrode Carriers And Collectors (AREA)
- Cell Separators (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
【解決手段】 正極、負極およびセパレータを積層または巻回した電極積層体と電解質を有し、前記電極積層体の単位体積当たりの放電容量が140mAh/cm3以上の非水二次電池において、正極集電材として、厚みが15μm以下で、アルミニウムを主成分とし、鉄を0.5〜2.0質量%含み、かつシリコンを0.05〜1.0質量%含み、伸びが2%以上で、かつ引張り強度が150N/mm2以上である金属箔を用いる。
前記セパレータとして厚みが20μm以下のポリオレフィン系セパレータを用いることが好ましい。
【選択図】 図1
Description
メチルエチルカーボネートとエチレンカーボネートとを体積比75:25で混合し、この混合溶媒にLiPF6を1.4モル/リットル溶解させて、組成が1.4mol/lLiPF6/EC:MEC(25:75体積比)で示される液状電解質を調製した。
正極合剤の塗布量を23.9mg/cm2(ただし、乾燥後の正極合剤層量)とし、負極合剤の塗布量を11.6mg/cm2(ただし、乾燥後の負極合剤層量)とし、セパレータとして従来と同様の厚さ25μmの微孔性ポリエチレンフィルムを用いた以外は、実施例1と同様に非水二次電池を作製した。
正極集電材として厚みが20μm(従来の正極集電材と同じ厚み)のアルミニウムを主成分とする金属箔を用いた。このアルミニウムを主成分とする金属箔は、鉄を0.03%、シリコンを0.02%含んでおり、純度は99.94%であった。また、上記正極集電材としてのアルミニウムを主成分とする金属箔の引っ張り強度は140N/mm2(15μm換算値)であり、両面光沢面であって、その平均粗度Raは0.04μmであった。そして、濡れ性は36dyne/cmで、伸びは3%であった。
2 負極
3 セパレータ
4 電解質
Claims (6)
- 正極、負極およびセパレータを積層または巻回した電極積層体と電解質を有し、前記電極積層体の単位体積当たりの放電容量が140mAh/cm3以上の非水二次電池において、正極集電材として、厚みが15μm以下で、アルミニウムを主成分とし、鉄を0.5〜2.0質量%含み、かつシリコンを0.05〜1.0質量%含み、伸びが2%以上で、かつ、引張り強度が150N/mm2以上である金属箔を用いたことを特徴とする非水二次電池。
- セパレータとして厚みが20μm以下のポリオレフィン系セパレータを用いた請求項1記載の非水二次電池。
- 正極集電材が粗な面と光沢面を有しており、前記粗な面の平均粗度がRaで0.1〜0.5μmであり、前記光沢面の平均粗度がRaで0.2μm以下である請求項1または2記載の非水二次電池。
- 電極積層体が正極、負極およびセパレータを巻回した巻回体からなり、正極集電材の粗な面が前記巻回体の外側にある請求項1〜3のいずれかに記載の非水二次電池。
- 正極集電材の濡れ性が37dyne/cm以上である請求項1〜4のいずれかに記載の非水二次電池。
- 負極の負極活物質として、X線回折での(002)面の層間距離d002が3.4Å以下で、c軸方向の結晶子の大きさLcが250Å以上である炭素材料を用いた請求項1〜5のいずれかに記載の非水二次電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006062547A JP4215263B2 (ja) | 2006-03-08 | 2006-03-08 | 非水二次電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006062547A JP4215263B2 (ja) | 2006-03-08 | 2006-03-08 | 非水二次電池 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13302198A Division JP3928756B2 (ja) | 1998-05-15 | 1998-05-15 | 非水二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006190690A true JP2006190690A (ja) | 2006-07-20 |
JP4215263B2 JP4215263B2 (ja) | 2009-01-28 |
Family
ID=36797646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006062547A Expired - Lifetime JP4215263B2 (ja) | 2006-03-08 | 2006-03-08 | 非水二次電池 |
Country Status (1)
Country | Link |
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JP (1) | JP4215263B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010086911A1 (ja) * | 2009-01-29 | 2010-08-05 | パナソニック株式会社 | 非水電解質二次電池及びその製造方法 |
US20110136010A1 (en) * | 2008-09-09 | 2011-06-09 | Yoshiyuki Muraoka | Nonaqueous electrolyte secondary battery and method for manufacturing the same |
-
2006
- 2006-03-08 JP JP2006062547A patent/JP4215263B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110136010A1 (en) * | 2008-09-09 | 2011-06-09 | Yoshiyuki Muraoka | Nonaqueous electrolyte secondary battery and method for manufacturing the same |
WO2010086911A1 (ja) * | 2009-01-29 | 2010-08-05 | パナソニック株式会社 | 非水電解質二次電池及びその製造方法 |
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JP4215263B2 (ja) | 2009-01-28 |
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