JP5912534B2 - 非水電解質二次電池の作製方法 - Google Patents
非水電解質二次電池の作製方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims description 11
- 239000002245 particle Substances 0.000 claims description 70
- 239000011149 active material Substances 0.000 claims description 54
- 230000005291 magnetic effect Effects 0.000 claims description 46
- 239000002002 slurry Substances 0.000 claims description 22
- 239000008151 electrolyte solution Substances 0.000 claims description 19
- 239000013078 crystal Substances 0.000 claims description 10
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000010450 olivine Substances 0.000 claims description 6
- 229910052609 olivine Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000007774 positive electrode material Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 8
- 229910001416 lithium ion Inorganic materials 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 6
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000004931 aggregating effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920003026 Acene Polymers 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000005303 antiferromagnetism Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910021445 lithium manganese complex oxide Inorganic materials 0.000 description 1
- ILXAVRFGLBYNEJ-UHFFFAOYSA-K lithium;manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[O-]P([O-])([O-])=O ILXAVRFGLBYNEJ-UHFFFAOYSA-K 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 239000002907 paramagnetic material Substances 0.000 description 1
- 230000005408 paramagnetism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
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- 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
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
本実施の形態では、本発明の一態様であるリチウムイオン二次電池の作製方法について説明する。正極活物質の粒子の大きさは、平均値が5nm乃至50nm、好ましくは5nm乃至20nmとなるようにするとよい。
本発明の電気機器の例として、各種の乾電池、充電池等が挙げられる。これらの正極として、例えば、実施の形態1で示した方法で作製されたものを用いればよい。
102 活物質粒子
103 集電体
104 正極
105 上層の電解液
106 磁場発生手段
107 磁力線
200 負極集電体
202 負極活物質層
204 負極
206 筐体
210 セパレータ
220 リング状絶縁体
228 正極集電体
230 正極活物質層
232 正極
240 スペーサー
242 ワッシャー
244 筐体
Claims (5)
- オリビン構造を有する単結晶燐酸鉄リチウムからなる活物質粒子と電解液を混合して、スラリーを形成する第1の工程と、
前記スラリーを集電体に塗布する第2の工程と、
前記スラリーを塗布された集電体を0.01テスラ乃至2テスラの磁場中に放置することで、前記スラリーに、前記集電体側に位置し、且つ、前記活物質粒子が多い第1の領域と、前記スラリー表面側に位置し、且つ、前記第1の領域よりも前記活物質粒子が少ない第2の領域とを形成する第3の工程と、
前記第3の工程後に、前記第2の領域を取り除く第4の工程と、
を有し、
前記活物質粒子は、体積の立方根の平均値が5nm乃至50nmであることを特徴とする非水電解質二次電池の作製方法。 - オリビン構造を有する単結晶燐酸鉄リチウムからなる活物質粒子と電解液を混合して、スラリーを形成する第1の工程と、
前記スラリーを0.01テスラ乃至2テスラの磁場中で集電体に塗布することで、前記スラリーに、前記集電体側に位置し、且つ、前記活物質粒子が多い第1の領域と、前記スラリーの表面側に位置し、且つ、前記第1の領域よりも前記活物質粒子が少ない第2の領域とを形成する第2の工程と、
前記第2の工程後に、前記第2の領域を取り除く第3の工程と、
を有し、
前記活物質粒子は、体積の立方根の平均値が5nm乃至50nmであることを特徴とする非水電解質二次電池の作製方法。 - オリビン構造を有する単結晶燐酸鉄リチウムからなる活物質粒子と電解液を混合して、スラリーを形成する第1の工程と、
前記スラリーを集電体の一方の面に塗布する第2の工程と、
前記集電体の一方の面と対向する他方の面において、磁場発生手段により磁場を発生させながら、前記磁場発生手段を移動させることで、前記スラリーに、前記集電体側に位置し、且つ、前記活物質粒子が多い第1の領域と、前記スラリーの表面側に位置し、且つ、前記第1の領域よりも前記活物質粒子が少ない第2の領域とを形成する第3の工程と、
前記第3の工程後に、前記第2の領域を取り除く第4の工程と、
を有し、
前記活物質粒子は、体積の立方根の平均値が5nm乃至50nmであることを特徴とする非水電解質二次電池の作製方法。 - 請求項1乃至3のいずれか一において、
前記活物質粒子の体積の立方根の平均値は、5nm乃至20nmであることを特徴とする非水電解質二次電池の作製方法。 - 請求項1乃至4のいずれか一において、
前記活物質粒子はその表面にカーボンがコーティングされていることを特徴とする非水電解質二次電池の作製方法。
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JP2012156129A JP2012156129A (ja) | 2012-08-16 |
JP5912534B2 true JP5912534B2 (ja) | 2016-04-27 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101924989B1 (ko) | 2011-01-07 | 2018-12-04 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 축전 장치의 제작 방법 |
KR102003370B1 (ko) * | 2015-06-30 | 2019-07-24 | 주식회사 엘지화학 | 이차 전지, 이를 포함하는 전지 모듈 및 이차 전지의 제조방법 |
JP6728618B2 (ja) * | 2015-10-07 | 2020-07-22 | セイコーエプソン株式会社 | 電池用電極の製造方法 |
JP2019160661A (ja) * | 2018-03-15 | 2019-09-19 | 株式会社日立製作所 | 正極スラリー、正極、電池セルシート、二次電池 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100261252B1 (ko) * | 1996-07-30 | 2000-07-01 | 윤종용 | 고분자 고체 전해질 및 이를 채용하고 있는 리튬 2차전지 |
JPH1125983A (ja) | 1997-07-04 | 1999-01-29 | Japan Storage Battery Co Ltd | リチウム電池用活物質 |
AU758038B2 (en) | 1998-06-30 | 2003-03-13 | Onda Corporation | Apparatus and method for inducing vibrations in a living body |
US20050019656A1 (en) | 2002-03-22 | 2005-01-27 | Yoon Sang Young | Method for fabricating composite electrodes |
JP2004002965A (ja) * | 2002-04-17 | 2004-01-08 | Kansai Paint Co Ltd | 電着塗膜形成方法 |
JP4058680B2 (ja) | 2002-08-13 | 2008-03-12 | ソニー株式会社 | 正極活物質の製造方法及び非水電解質二次電池の製造方法 |
JP3632686B2 (ja) | 2002-08-27 | 2005-03-23 | ソニー株式会社 | 正極活物質及び非水電解質二次電池 |
US7390472B1 (en) | 2002-10-29 | 2008-06-24 | Nei Corp. | Method of making nanostructured lithium iron phosphate—based powders with an olivine type structure |
US20050142353A1 (en) * | 2003-09-16 | 2005-06-30 | General Electric Company | Method of making an article including particles oriented generally along an article surface |
JP3769291B2 (ja) * | 2004-03-31 | 2006-04-19 | 株式会社東芝 | 非水電解質電池 |
JP4923397B2 (ja) | 2004-09-06 | 2012-04-25 | 日産自動車株式会社 | 非水電解質リチウムイオン二次電池用正極材料およびその製造方法 |
JP2006127823A (ja) * | 2004-10-27 | 2006-05-18 | Sony Corp | 電池および正極の製造方法 |
JP4819342B2 (ja) | 2004-11-08 | 2011-11-24 | エレクセル株式会社 | リチウム電池用正極及びこれを用いたリチウム電池 |
JP4273422B2 (ja) | 2005-03-09 | 2009-06-03 | ソニー株式会社 | 正極材料および電池 |
JP2006252945A (ja) | 2005-03-10 | 2006-09-21 | Sony Corp | 非水電解質二次電池用の電極及びその製造方法、並びに非水電解質二次電池 |
JP5159048B2 (ja) | 2005-09-08 | 2013-03-06 | 三洋電機株式会社 | 非水電解質二次電池 |
JP5192710B2 (ja) | 2006-06-30 | 2013-05-08 | 三井金属鉱業株式会社 | 非水電解液二次電池用負極 |
BRPI0808002A2 (pt) | 2007-01-25 | 2014-06-17 | Massachusetts Inst Of Technolgy | Revestimento de óxido em partículas de óxido de lítio. |
CN101669235B (zh) | 2007-03-30 | 2013-12-11 | 密执安州立大学董事会 | 沉积的微体系结构电池和制造方法 |
JP4317571B2 (ja) | 2007-04-27 | 2009-08-19 | Tdk株式会社 | 活物質、電極、電池、及び活物質の製造方法 |
JP5272564B2 (ja) * | 2008-08-04 | 2013-08-28 | 日産自動車株式会社 | 電極材乾燥方法および電極材乾燥装置 |
JP5149920B2 (ja) | 2010-02-05 | 2013-02-20 | トヨタ自動車株式会社 | リチウム二次電池用電極の製造方法 |
US8691441B2 (en) * | 2010-09-07 | 2014-04-08 | Nanotek Instruments, Inc. | Graphene-enhanced cathode materials for lithium batteries |
KR101384881B1 (ko) * | 2010-11-02 | 2014-04-15 | 한국전자통신연구원 | 리튬 이차전지 |
KR101924989B1 (ko) | 2011-01-07 | 2018-12-04 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 축전 장치의 제작 방법 |
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2011
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