JP2010102841A - 非水系電解質リチウムイオン二次電池 - Google Patents
非水系電解質リチウムイオン二次電池 Download PDFInfo
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 24
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 95
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000002131 composite material Substances 0.000 claims abstract description 59
- 150000004767 nitrides Chemical class 0.000 claims abstract description 50
- 239000007773 negative electrode material Substances 0.000 claims abstract description 38
- 230000002427 irreversible effect Effects 0.000 claims abstract description 28
- 239000007774 positive electrode material Substances 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 11
- 150000003624 transition metals Chemical class 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000011149 active material Substances 0.000 claims description 18
- 229910018122 Li 3-x M Inorganic materials 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 239000000843 powder Substances 0.000 description 13
- -1 γ-butyrolactone Chemical compound 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 239000008151 electrolyte solution Substances 0.000 description 8
- 239000011888 foil Substances 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 7
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- 238000000034 method Methods 0.000 description 7
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- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 229910011939 Li2.6 Co0.4 N Inorganic materials 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 6
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 4
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 4
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 4
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- KLKFAASOGCDTDT-UHFFFAOYSA-N ethoxymethoxyethane Chemical compound CCOCOCC KLKFAASOGCDTDT-UHFFFAOYSA-N 0.000 description 4
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- 229910003002 lithium salt Inorganic materials 0.000 description 4
- 159000000002 lithium salts Chemical class 0.000 description 4
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- PYOKUURKVVELLB-UHFFFAOYSA-N trimethyl orthoformate Chemical compound COC(OC)OC PYOKUURKVVELLB-UHFFFAOYSA-N 0.000 description 4
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 3
- 239000006230 acetylene black Substances 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- 238000003860 storage Methods 0.000 description 3
- VFRGATWKSPNXLT-UHFFFAOYSA-N 1,2-dimethoxybutane Chemical compound CCC(OC)COC VFRGATWKSPNXLT-UHFFFAOYSA-N 0.000 description 2
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 2
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 2
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 2
- VWIIJDNADIEEDB-UHFFFAOYSA-N 3-methyl-1,3-oxazolidin-2-one Chemical compound CN1CCOC1=O VWIIJDNADIEEDB-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 2
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 description 2
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BEKPOUATRPPTLV-UHFFFAOYSA-N [Li].BCl Chemical compound [Li].BCl BEKPOUATRPPTLV-UHFFFAOYSA-N 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 150000005676 cyclic carbonates Chemical class 0.000 description 2
- 150000004292 cyclic ethers Chemical class 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 150000004862 dioxolanes Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 229940052303 ethers for general anesthesia Drugs 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 239000005001 laminate film Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- BHZCMUVGYXEBMY-UHFFFAOYSA-N trilithium;azanide Chemical compound [Li+].[Li+].[Li+].[NH2-] BHZCMUVGYXEBMY-UHFFFAOYSA-N 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 125000000457 gamma-lactone group Chemical group 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
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Images
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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
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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
【課題】 高容量正極を用いて初回充放電での不可逆容量によるエネルギー密度の低下を最小限に抑えた高エネルギー密度を有する非水系電解質リチウムイオン二次電池を提供すること。
【解決手段】 SiおよびSi酸化物およびCから選択される少なくとも1種以上からなる負極の活物質1固有の初回不可逆容量によって消費される正極の活物質4を、より高容量な一般式Li3-xMxN(MはCo、Ni、Cuから選ばれる1種以上の遷移金属であり、0≦x≦0.8)で表されるリチウム含有複合窒化物にし、初回放電以降の充放電に利用されない正極の活物質4の重さを低減することで、高エネルギー密度をもつ非水系電解質リチウムイオン二次電池を得る。
【選択図】 図1
Description
一般式Li3-xMxN(MはCo、Ni、Cuから選ばれる1種以上の遷移金属であり、0≦x≦0.8)で表されるリチウム含有複合窒化物を含む非水系電解質リチウムイオン二次電池としている。xとしては、0≦x≦0.5がより好ましく、さらに好ましい範囲は、0.4≦x≦0.5である。
本発明との比較のため、本発明の電池に換えて、Z≦Yを満足しないY:Zの組み合わせ、すなわちZ>YとなるY:Z=0.50:1.00:(比較例1、5、9)、Y:Z=0.75:1.00(比較例2、6、10)、Y:Z=0.80:1.00(比較例3、7、11)、Y:Z=0.90:1.00(比較例4、8、12)となるように正極と負極の重量比を選択して、電池を試作し充放電試験を行った。この充放電試験は3mAの定電流で、その充電終止電圧を4.2V、その放電終止電圧を2.5Vとして行った。このとき、α=γとし、リチウム含有複合窒化物は、代表としてLi2.6Co0.4Nを用いた。表7に以上の結果を示す。初回充電時のエネルギー密度と二回目充電時のエネルギー密度が非常に小さくなることがわかる。
2 負極集電体
3 負極
4 正極の活物質層
5 正極集電体
6 正極
7 セパレータ
8 外装フィルム
9 負極リードタブ
10 正極リードタブ
Claims (5)
- 正極活物質に
一般式:Li3-xMxN
(MはCo、Ni、Cuから選ばれる1種以上の遷移金属であり、0≦x≦0.8)
で表されるリチウム含有複合窒化物を含むことを特徴とする非水系電解質リチウムイオン二次電池。 - 正極活物質に前記リチウム含有複合窒化物とリチウム吸蔵放出可能な酸化物を混合活物質として用い、負極活物質にリチウムを吸蔵放出可能なSiおよびSi酸化物およびCから選択される少なくとも1種以上からなる混合活物質を含むことを特徴とする請求項1に記載の非水系電解質リチウムイオン二次電池。
- 前記正極活物質に含まれるリチウム吸蔵放出可能な酸化物の単位重さあたりの充放電容量をA、Li放出電位をA’とし、また、前記リチウム含有複合窒化物の単位重さあたりの充放電容量をB、Li放出電位をB’としたとき、A<BかつA’>B’を満足することを特徴とする請求項2に記載の非水系電解質リチウムイオン二次電池。
- 前記負極活物質の初回不可逆容量に相当するLi量をαとし、初回充電時に前記リチウム含有複合窒化物が放出するLi量をγとするとき、前記負極活物質と前記リチウム含有複合窒化物の重量比を、α≧γを満足するように選択することを特徴とする請求項2ないし3のいずれか1項に記載の非水系電解質リチウムイオン二次電池。
- 前記負極活物質の初回充電容量をY、前記リチウム吸蔵放出可能な酸化物と前記リチウム含有複合窒化物の初回充電容量の合計をZとするとき、これらの関係がZ≦Yとなることを特徴とする請求項2ないし4のいずれか1項に記載の非水系電解質リチウムイオン二次電池。
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Cited By (13)
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JP2011238490A (ja) * | 2010-05-11 | 2011-11-24 | Denso Corp | 非水電解液二次電池及びその製造方法 |
JP2012124057A (ja) * | 2010-12-09 | 2012-06-28 | Nec Corp | リチウムイオン二次電池及びその製造方法 |
JP2012124118A (ja) * | 2010-12-10 | 2012-06-28 | Hitachi Chem Co Ltd | リチウムイオン二次電池、及びその製造方法 |
EP2506344A1 (en) | 2011-03-31 | 2012-10-03 | Fuji Jukogyo Kabushiki Kaisha | Lithium ion storage device |
JP2012221681A (ja) * | 2011-04-07 | 2012-11-12 | Nec Corp | リチウム二次電池及びその製造方法 |
JP2013229320A (ja) * | 2012-03-27 | 2013-11-07 | Tdk Corp | リチウムイオン二次電池 |
JP2013543243A (ja) * | 2010-11-16 | 2013-11-28 | ヴァルタ マイクロ イノヴェーション ゲゼルシャフト ミット ベシュレンクテル ハフツング | 改善されたエージング挙動を持つリチウムイオンセル |
KR20140096332A (ko) * | 2011-11-02 | 2014-08-05 | 이-뗀 | 완전 고체 박막 배터리의 제조방법 |
KR20140096333A (ko) * | 2011-11-02 | 2014-08-05 | 이-뗀 | 박막 리튬이온 마이크로배터리의 제조방법 및 이 제조방법을 이용하여 제작된 마이크로배터리 |
EP2784845A1 (en) | 2013-03-29 | 2014-10-01 | Fuji Jukogyo Kabushiki Kaisha | Predoping material for electrical lithium or sodium storage device |
JP2016001630A (ja) * | 2015-10-07 | 2016-01-07 | 日立化成株式会社 | リチウムイオン二次電池、及びその製造方法 |
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JP2011238490A (ja) * | 2010-05-11 | 2011-11-24 | Denso Corp | 非水電解液二次電池及びその製造方法 |
JP2013543243A (ja) * | 2010-11-16 | 2013-11-28 | ヴァルタ マイクロ イノヴェーション ゲゼルシャフト ミット ベシュレンクテル ハフツング | 改善されたエージング挙動を持つリチウムイオンセル |
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JP2012124118A (ja) * | 2010-12-10 | 2012-06-28 | Hitachi Chem Co Ltd | リチウムイオン二次電池、及びその製造方法 |
EP2506344A1 (en) | 2011-03-31 | 2012-10-03 | Fuji Jukogyo Kabushiki Kaisha | Lithium ion storage device |
CN102738505A (zh) * | 2011-03-31 | 2012-10-17 | 富士重工业株式会社 | 锂离子蓄电装置 |
JP2012221681A (ja) * | 2011-04-07 | 2012-11-12 | Nec Corp | リチウム二次電池及びその製造方法 |
US9276288B2 (en) | 2011-08-06 | 2016-03-01 | Denso Corporation | Nonaqueous electrolyte rechargeable battery |
KR20140096332A (ko) * | 2011-11-02 | 2014-08-05 | 이-뗀 | 완전 고체 박막 배터리의 제조방법 |
KR20140096333A (ko) * | 2011-11-02 | 2014-08-05 | 이-뗀 | 박막 리튬이온 마이크로배터리의 제조방법 및 이 제조방법을 이용하여 제작된 마이크로배터리 |
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JP2013229320A (ja) * | 2012-03-27 | 2013-11-07 | Tdk Corp | リチウムイオン二次電池 |
US9660258B2 (en) | 2012-03-27 | 2017-05-23 | Tdk Corporation | Lithium-ion secondary battery |
EP2784845A1 (en) | 2013-03-29 | 2014-10-01 | Fuji Jukogyo Kabushiki Kaisha | Predoping material for electrical lithium or sodium storage device |
US9847528B2 (en) | 2013-03-29 | 2017-12-19 | Subaru Corporation | Predoping material, electric storage device including the material, and method of producing the device |
JP2016001630A (ja) * | 2015-10-07 | 2016-01-07 | 日立化成株式会社 | リチウムイオン二次電池、及びその製造方法 |
US11967694B2 (en) | 2018-05-07 | 2024-04-23 | I-Ten | Porous electrodes for electrochemical devices |
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