JP2015207523A5 - - Google Patents
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- JP2015207523A5 JP2015207523A5 JP2014089177A JP2014089177A JP2015207523A5 JP 2015207523 A5 JP2015207523 A5 JP 2015207523A5 JP 2014089177 A JP2014089177 A JP 2014089177A JP 2014089177 A JP2014089177 A JP 2014089177A JP 2015207523 A5 JP2015207523 A5 JP 2015207523A5
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- Prior art keywords
- secondary battery
- lithium ion
- ion secondary
- electrode plate
- solidified
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 30
- 229910001416 lithium ion Inorganic materials 0.000 claims 30
- 238000001035 drying Methods 0.000 claims 25
- 238000004519 manufacturing process Methods 0.000 claims 24
- 239000007772 electrode material Substances 0.000 claims 23
- 238000007711 solidification Methods 0.000 claims 22
- 238000000576 coating method Methods 0.000 claims 19
- 239000011248 coating agent Substances 0.000 claims 17
- 239000011888 foil Substances 0.000 claims 10
- 239000011230 binding agent Substances 0.000 claims 9
- 238000007906 compression Methods 0.000 claims 9
- 230000001376 precipitating Effects 0.000 claims 5
- 238000000034 method Methods 0.000 claims 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 2
- 239000004809 Teflon Substances 0.000 claims 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 2
- 239000002798 polar solvent Substances 0.000 claims 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 239000002002 slurry Substances 0.000 claims 2
- 239000002904 solvent Substances 0.000 claims 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N Propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- SECXISVLQFMRJM-UHFFFAOYSA-N n-methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- YEJRWHAVMIAJKC-UHFFFAOYSA-N γ-lactone 4-hydroxy-butyric acid Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims 1
Claims (17)
電極材料に含まれるバインダ成分を析出させる固化工程と、
固化された塗布膜である固化膜を対向するプレスローラにより圧縮する圧縮工程と、
圧縮された固化膜を乾燥させる乾燥工程を備え、
前記圧縮工程を前記固化工程と前記乾燥工程の間に行なうことを特徴とするリチウムイオン二次電池の電極板の製造方法。 A coating step of applying an electrode material containing a binder component to the electrode current collector foil;
A solidification step for precipitating the binder component contained in the electrode material;
A compression step of compressing the solidified film, which is a solidified coating film, by an opposing press roller;
Provided with a drying process to dry the compressed solidified film,
A method for producing an electrode plate of a lithium ion secondary battery, wherein the compression step is performed between the solidification step and the drying step.
電極材料に含まれるバインダ成分を析出させる固化工程と、
固化された塗布膜である固化膜を対向するプレスローラにより圧縮する圧縮工程と、
圧縮された固化膜を乾燥させる乾燥工程を備え、
前記乾燥工程の前に前記固化工程と前記圧縮工程を行なうことを特徴とするリチウムイオン二次電池の電極板の製造方法。 A coating step of applying an electrode material containing a binder component to the electrode current collector foil;
A solidification step for precipitating the binder component contained in the electrode material;
A compression step of compressing the solidified film, which is a solidified coating film, by an opposing press roller;
Provided with a drying process to dry the compressed solidified film,
A method for producing an electrode plate of a lithium ion secondary battery, wherein the solidification step and the compression step are performed before the drying step.
前記圧縮工程は、前記乾燥工程内で実施することを特徴とするリチウムイオン二次電池の電極板の製造方法。 A method for producing an electrode plate of a lithium ion secondary battery according to any one of claims 1 and 2,
The said compression process is implemented within the said drying process, The manufacturing method of the electrode plate of a lithium ion secondary battery characterized by the above-mentioned.
さらに、前記固化工程によって固化された塗布膜である固化膜を一部乾燥させる第１の乾燥工程を備え、
前記圧縮工程は、該一部乾燥させた固化膜を対向するプレスローラにより圧縮することを特徴とするリチウムイオン二次電池の電極板の製造方法。 A method for producing an electrode plate of a lithium ion secondary battery according to any one of claims 1 and 2,
And a first drying step of partially drying the solidified film that is the coating film solidified by the solidifying step,
The method for producing an electrode plate of a lithium ion secondary battery, wherein the compression step compresses the partially dried solidified film with an opposing press roller.
前記塗工工程は前記電極集電箔への両面塗工であり、
前記固化工程は塗工された両面の電極材料の両面一括固化であり、
前記圧縮工程は固化された両面の固化膜を両面一括圧縮し、
前記乾燥工程は圧縮された両面の固化膜を両面一括乾燥することを特徴とするリチウムイオン二次電池の電極板の製造方法。 A method for producing an electrode plate of a lithium ion secondary battery according to any one of claims 1 to 4,
The coating process is a double-sided coating to the electrode current collector foil,
The solidification step is a double-sided solidification of the coated electrode material on both sides,
The compression process compresses both sides of the solidified solidified film on both sides at once,
The method of manufacturing an electrode plate of a lithium ion secondary battery, wherein the drying step includes drying the compressed solidified films on both sides at once.
前記塗工工程により、前記電極集電箔の１面に電極材料を塗布し、
前記固化工程により、塗工された１面の電極材料の固化を行い、
さらに、前記塗工工程により、前記電極集電箔の前記１面の裏面に電極材料を塗布し、
前記固化工程により、塗工された前記裏面の電極材料の固化を行い、
前記圧縮工程は固化された両面の固化膜を両面一括圧縮し、
前記乾燥工程は圧縮された両面の固化膜を両面一括乾燥することを特徴とするリチウムイオン二次電池の電極板の製造方法。 A method for producing an electrode plate of a lithium ion secondary battery according to any one of claims 1 to 4,
Through the coating process, an electrode material is applied to one surface of the electrode current collector foil,
In the solidification step, the coated electrode material is solidified,
Furthermore, by the coating step, an electrode material is applied to the back surface of the one surface of the electrode current collector foil,
In the solidification step, the coated electrode material on the back surface is solidified,
The compression process compresses both sides of the solidified solidified film on both sides at once,
The method of manufacturing an electrode plate of a lithium ion secondary battery, wherein the drying step includes drying the compressed solidified films on both sides at once.
前記電極材料は液状のスラリであり、
前記固化工程は、前記電極材料に含まれるバインダ成分を析出させる成分を含んでなる固化液を前記塗布された電極材料からなる塗布膜に噴霧して該塗布膜を固化させる工程であり、
前記電極材料のスラリに含まれる溶剤は、非プロトン性極性溶剤であり、
前記固化液に用いる溶剤は、水もしくはアルコール類またはこれらの混合液であることを特徴とするリチウムイオン二次電池の電極板の製造方法。 A method for manufacturing an electrode plate of a lithium ion secondary battery according to any one of claims 1 to 6,
The electrode material is a liquid slurry,
The solidification step is a step of solidifying the coating film by spraying a solidified liquid containing a component for precipitating a binder component contained in the electrode material onto the coating film made of the applied electrode material,
The solvent contained in the slurry of the electrode material is an aprotic polar solvent,
The method for producing an electrode plate of a lithium ion secondary battery, wherein the solvent used in the solidifying solution is water, alcohols, or a mixture thereof.
前記非プロトン性極性溶剤は、Ｎ−メチルピロリドン、ジメチルスルホキシド、プロピレンカーボネート、ジメチルホルムアミド、もしくはγ−ブチロラクトンであり、
前記アルコール類は、エタノール、もしくはイソプロピルアルコールであることを特徴とするリチウムイオン二次電池の電極板の製造方法。 It is a manufacturing method of the electrode plate of the lithium ion secondary battery according to claim 7,
The aprotic polar solvent is N-methylpyrrolidone, dimethyl sulfoxide, propylene carbonate, dimethylformamide, or γ-butyrolactone,
The method for producing an electrode plate of a lithium ion secondary battery, wherein the alcohol is ethanol or isopropyl alcohol.
前記固化工程で供給される前記固化液のアルコール濃度は、２０〜８０％であることを特徴とするリチウムイオン二次電池の電極板の製造方法。 A method for producing an electrode plate of a lithium ion secondary battery according to any one of claims 7 and 8,
The method for producing an electrode plate of a lithium ion secondary battery, wherein the alcohol concentration of the solidified liquid supplied in the solidifying step is 20 to 80%.
前記圧縮工程に備えられたプレスローラは、その表面にシリコン乃至テフロン（登録商標）コーティングが施されていることを特徴とするリチウムイオン二次電池の電極板の製造方法。 A method for producing an electrode plate of a lithium ion secondary battery according to any one of claims 1 to 9,
A method of manufacturing an electrode plate for a lithium ion secondary battery, wherein a surface of the press roller provided in the compression step is coated with silicon or Teflon (registered trademark).
前記電極材料に含まれるバインダ成分を析出させる固化工程を行う固化室と、
固化された塗布膜である固化膜を圧縮するプレスローラと、
圧縮された固化膜を乾燥させる乾燥工程を行う乾燥室と備え、
前記プレスローラを前記固化室と前記乾燥室の間に配置したことを特徴とするリチウムイオン二次電池の電極板の製造装置。 A coating means for applying an electrode material containing a binder component to the electrode current collector foil;
A solidification chamber for performing a solidification step for precipitating a binder component contained in the electrode material;
A press roller for compressing the solidified film, which is a solidified coating film;
A drying chamber for performing a drying process for drying the compressed solidified film;
An apparatus for producing an electrode plate of a lithium ion secondary battery, wherein the press roller is disposed between the solidification chamber and the drying chamber.
前記電極材料に含まれるバインダ成分を析出させる固化工程を行う固化室と、
固化された塗布膜である固化膜を圧縮するプレスローラと、
圧縮された固化膜を乾燥させる乾燥工程を行う乾燥室と備え、
前記乾燥室の前に前記固化室と前記プレスローラを配置したことを特徴とするリチウムイオン二次電池の電極板の製造装置。 A coating means for applying an electrode material containing a binder component to the electrode current collector foil;
A solidification chamber for performing a solidification step for precipitating a binder component contained in the electrode material;
A press roller for compressing the solidified film, which is a solidified coating film;
A drying chamber for performing a drying process for drying the compressed solidified film;
An apparatus for producing an electrode plate of a lithium ion secondary battery, wherein the solidification chamber and the press roller are arranged in front of the drying chamber.
前記プレスローラは、前記乾燥室内に配置されることを特徴とするリチウムイオン二次電池の電極板の製造装置。 An apparatus for manufacturing an electrode plate of a lithium ion secondary battery according to any one of claims 11 and 12,
The said press roller is arrange | positioned in the said drying chamber, The manufacturing apparatus of the electrode plate of a lithium ion secondary battery characterized by the above-mentioned.
さらに、前記固化工程によって固化された塗布膜である固化膜を一部乾燥させる第１の乾燥室を備え、
前記プレスローラは、該第１の乾燥室で一部乾燥させた固化膜を圧縮することを特徴とするリチウムイオン二次電池の電極板の製造装置。 An apparatus for manufacturing an electrode plate of a lithium ion secondary battery according to any one of claims 11 and 12,
And a first drying chamber for partially drying the solidified film that is a coating film solidified by the solidification step,
The apparatus for producing an electrode plate of a lithium ion secondary battery, wherein the press roller compresses a solidified film partially dried in the first drying chamber.
前記塗工手段は前記電極集電箔の両面へ電極材料の塗布を行う手段であり、
前記固化室は塗布された両面の電極材料を固化させる固化工程を行い、
前記プレスローラは固化された両面の固化膜を圧縮し、
前記乾燥室は圧縮された両面の固化膜を乾燥することを特徴とするリチウムイオン二次電池の電極板の製造装置。 An apparatus for manufacturing an electrode plate of a lithium ion secondary battery according to any one of claims 11 to 14,
The coating means is means for applying an electrode material to both surfaces of the electrode current collector foil,
The solidification chamber performs a solidification step of solidifying the applied electrode material on both sides,
The press roller compresses the solidified film on both sides,
The apparatus for producing an electrode plate of a lithium ion secondary battery, wherein the drying chamber dries the compressed solidified film on both sides.
前記塗工手段により、前記電極集電箔の１面に電極材料を塗布し、
前記固化室は塗布された１面の電極材料を固化させる固化工程を行い、
さらに、前記塗工手段により、前記電極集電箔の前記１面の裏面に電極材料を塗布し、
前記固化室が塗布された前記裏面の電極材料を固化させる固化工程を行い、
前記プレスローラは固化された両面の固化膜を圧縮し、
前記乾燥室は圧縮された両面の固化膜を乾燥することを特徴とするリチウムイオン二次電池の電極板の製造装置。 An apparatus for manufacturing an electrode plate of a lithium ion secondary battery according to any one of claims 11 to 14,
By the coating means, an electrode material is applied to one surface of the electrode current collector foil,
The solidification chamber performs a solidification process for solidifying the applied electrode material on one side,
Further, by the coating means, an electrode material is applied to the back surface of the one surface of the electrode current collector foil,
Performing a solidification step of solidifying the electrode material on the back surface to which the solidification chamber is applied;
The press roller compresses the solidified film on both sides,
The apparatus for producing an electrode plate of a lithium ion secondary battery, wherein the drying chamber dries the compressed solidified film on both sides.
前記プレスローラは、その表面にシリコン乃至テフロンコーティングが施されていることを特徴とするリチウムイオン二次電池の電極板の製造装置。 An apparatus for manufacturing an electrode plate of a lithium ion secondary battery according to any one of claims 11 to 16,
An apparatus for producing an electrode plate of a lithium ion secondary battery, wherein the surface of the press roller is coated with silicon or Teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014089177A JP6300619B2 (en) | 2014-04-23 | 2014-04-23 | Method and apparatus for manufacturing electrode plate of lithium ion secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014089177A JP6300619B2 (en) | 2014-04-23 | 2014-04-23 | Method and apparatus for manufacturing electrode plate of lithium ion secondary battery |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015207523A JP2015207523A (en) | 2015-11-19 |
| JP2015207523A5 true JP2015207523A5 (en) | 2016-12-22 |
| JP6300619B2 JP6300619B2 (en) | 2018-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2014089177A Expired - Fee Related JP6300619B2 (en) | 2014-04-23 | 2014-04-23 | Method and apparatus for manufacturing electrode plate of lithium ion secondary battery |
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| JP (1) | JP6300619B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102110800B1 (en) * | 2016-10-26 | 2020-05-14 | 주식회사 엘지화학 | Electrode for Secondary Battery Comprising Carbon Nano Tube Sheet |
| WO2019003770A1 (en) * | 2017-06-30 | 2019-01-03 | 日立オートモティブシステムズ株式会社 | Secondary battery and method for manufacturing same |
| US20190081317A1 (en) * | 2017-09-11 | 2019-03-14 | Andreas Keil | Web coating and calendering system and method |
| US11692773B2 (en) * | 2020-04-09 | 2023-07-04 | Mac Engineering And Equipment Company, Inc. | Battery plate grid dryer system and method |
| WO2022114230A1 (en) * | 2020-11-30 | 2022-06-02 | Ａｐｂ株式会社 | Manufacturing device for battery electrode |
| JP7220860B6 (en) * | 2020-11-30 | 2023-02-28 | Ａｐｂ株式会社 | Manufacturing equipment for battery electrodes |
| JP7329004B2 (en) * | 2021-02-24 | 2023-08-17 | プライムプラネットエナジー＆ソリューションズ株式会社 | Electrode plate manufacturing method |
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| JP3743989B2 (en) * | 1997-03-26 | 2006-02-08 | 石川島播磨重工業株式会社 | Calendar roll shape control device |
| JP4157404B2 (en) * | 2003-03-27 | 2008-10-01 | 株式会社東芝 | Method for manufacturing sheet electrode plate and non-aqueous electrolyte battery |
| JP2005028597A (en) * | 2003-07-07 | 2005-02-03 | Ube Ind Ltd | Foam molding method |
| JP2005243303A (en) * | 2004-02-24 | 2005-09-08 | Tomoegawa Paper Co Ltd | Member for electrochemical element and its manufacturing method, and the electrochemical element using it |
| JP4640013B2 (en) * | 2005-07-25 | 2011-03-02 | Ｔｄｋ株式会社 | Electrode element manufacturing method and electrochemical element manufacturing method |
| JP4581888B2 (en) * | 2005-07-25 | 2010-11-17 | Ｔｄｋ株式会社 | Electrode element manufacturing method and electrochemical element manufacturing method |
| JP5158557B2 (en) * | 2006-09-15 | 2013-03-06 | Ｔｏｔｏ株式会社 | Fuel cell structure and fuel cell including the same |
| JP2011198559A (en) * | 2010-03-18 | 2011-10-06 | Nissan Motor Co Ltd | Electrode manufacturing method, electrode manufacturing apparatus, and electrode |
| JP5509998B2 (en) * | 2010-03-31 | 2014-06-04 | 日産自動車株式会社 | Electrode manufacturing apparatus and electrode manufacturing method |
| JP5467358B2 (en) * | 2010-06-21 | 2014-04-09 | パナソニック株式会社 | Battery plate manufacturing method and manufacturing apparatus |
| JP2013149707A (en) * | 2012-01-18 | 2013-08-01 | Renesas Electronics Corp | Processing method |
| JP2013171643A (en) * | 2012-02-20 | 2013-09-02 | Hitachi Ltd | Lithium ion battery and method for manufacturing the same |
| JP2013251213A (en) * | 2012-06-04 | 2013-12-12 | Hitachi Ltd | Negative electrode for lithium ion secondary battery, lithium ion secondary battery with negative electrode for lithium ion secondary battery, and manufacturing method thereof |
| JP2014071977A (en) * | 2012-09-28 | 2014-04-21 | Hitachi High-Technologies Corp | Method and device for manufacturing lithium ion battery |
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