JP3334144B2 - Battery electrode manufacturing equipment - Google Patents
Battery electrode manufacturing equipmentInfo
- Publication number
- JP3334144B2 JP3334144B2 JP28806491A JP28806491A JP3334144B2 JP 3334144 B2 JP3334144 B2 JP 3334144B2 JP 28806491 A JP28806491 A JP 28806491A JP 28806491 A JP28806491 A JP 28806491A JP 3334144 B2 JP3334144 B2 JP 3334144B2
- Authority
- JP
- Japan
- Prior art keywords
- coating liquid
- current collector
- metal foil
- foil current
- electrode mixture
- 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
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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、円筒型電池用の電池
電極製造装置に関し、更に詳しくは金属箔集電体に電極
合剤塗液を塗布し、その塗液を乾燥させて塗材とするの
に加熱したドラムを用いるリチュームイオン二次電池電
極製造装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a battery electrode for a cylindrical battery, and more particularly, to a method for applying an electrode mixture coating liquid to a metal foil current collector and drying the coating liquid to form a coating material. The present invention relates to an apparatus for manufacturing a lithium ion secondary battery electrode using a heated drum.
【０００２】[0002]
【従来の技術】従来、帯状の金属箔集電体１に電極合剤
塗液２を塗布した後に、その塗液２を乾燥させて塗材３
とするのに、図３の断面図に示すような乾燥機を用いて
いた。図３において、従来の乾燥機は、その乾燥機内に
遠赤外線ヒーター21を備え、更に、温風を送り込む入口
22と排気口23を有する。帯状の金属箔集電体１に電極合
剤溶液２を塗布した後、この乾燥機に入れられ、遠赤外
線ヒーター21と温風により、塗液２を乾燥させて塗材３
とする。塗液２を乾燥させて塗材３とするのに金属箔集
電体１が先に加熱され、塗液２の金属箔集電体１側から
乾燥して塗材３とする方が蒸発成分が中に残らず良いの
であるが、従来のこのような乾燥機であっては、塗液２
はその表面に近い方から乾燥していくため、中に蒸発成
分が残り、塗材３が均一に乾燥しない問題点があった。2. Description of the Related Art Conventionally, an electrode mixture coating liquid 2 is applied to a strip-shaped metal foil current collector 1 and then the coating liquid 2 is dried to form a coating material 3.
For this purpose, a dryer as shown in the sectional view of FIG. 3 was used. In FIG. 3, the conventional dryer has a far-infrared heater 21 inside the dryer, and further has an inlet for feeding hot air.
22 and an exhaust port 23. After the electrode mixture solution 2 is applied to the strip-shaped metal foil current collector 1, it is put into this dryer, and the coating liquid 2 is dried by the far-infrared heater 21 and warm air to form the coating material 3.
And The metal foil current collector 1 is heated first to dry the coating liquid 2 into the coating material 3, and the coating material 3 is dried from the metal foil current collector 1 side of the coating liquid 2 to obtain the evaporation material. Is good, but in such a conventional dryer, the coating liquid 2
Has a problem that since the evaporating component is dried from a side closer to the surface, an evaporating component remains therein, and the coating material 3 is not uniformly dried.
【０００３】[0003]
【発明が解決しようとする課題】この発明は、このよう
な従来の問題点を解消するためになされたものであっ
て、金属箔集電体に電極合剤塗液を塗布し、その塗液を
乾燥させて塗材とするのに、加熱したドラムを用いるこ
とにより、塗液を金属箔集電体側から乾燥し、従って中
に蒸発成分が残らない、均一な塗材を作る電池電極製造
装置を提供することを課題にしている。SUMMARY OF THE INVENTION The present invention has been made in order to solve such a conventional problem. An object of the present invention is to apply an electrode mixture coating liquid to a metal foil current collector, and to apply the coating liquid. A battery electrode manufacturing apparatus that uses a heated drum to dry the coating liquid from the metal foil current collector side, thereby producing a uniform coating material without evaporating components remaining therein. The challenge is to provide
【０００４】[0004]
【課題を解決するための手段】この発明は、帯状の金属
箔集電体に電極合剤塗液を塗布する電極合剤塗液塗布機
と、その塗液を乾燥させて電極合剤とする乾燥機とを備
えた電池電極製造装置において、電極合剤塗液層とは反
対側の面を接触させるドラムを備え、かつ上記ドラムを
加熱する手段とを備えたことを特徴とする。SUMMARY OF THE INVENTION The present invention relates to an electrode mixture coating apparatus for applying an electrode mixture coating liquid to a strip-shaped metal foil current collector.
If, Bei a dryer to make the coating solution is dried and the electrode material mixture
In the battery electrode manufacturing apparatus obtained above, a drum for contacting the surface opposite to the electrode mixture coating liquid layer is provided, and the drum is
Means for heating .
【０００５】[0005]
【作用】このようにすることにより、塗液層は金属箔集
電体側から乾燥するので、乾燥して塗材となった時に中
に蒸発分が残らない。In this manner, since the coating liquid layer is dried from the metal foil current collector side, no evaporation remains in the coating material when it is dried.
【０００６】[0006]
【実施例】この発明は、円筒型電池用の電池電極製造装
置に関し、更に詳しくは金属箔集電体に電極合剤塗液を
塗布し、その塗液を乾燥させて塗材とするのに加熱した
ドラムを用いるリチュームイオン二次電池電極製造装置
に関する。以下、この発明の実施例を図１及び図２を参
照して説明する。図１はこの発明の電池電極製造装置の
断面図で、図２は図１のＡ−Ａ断面図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to an apparatus for manufacturing a battery electrode for a cylindrical battery, and more particularly, to a method for applying an electrode mixture coating liquid to a metal foil current collector and drying the coating liquid to obtain a coating material. The present invention relates to a lithium ion secondary battery electrode manufacturing apparatus using a heated drum. Hereinafter, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a sectional view of a battery electrode manufacturing apparatus according to the present invention, and FIG. 2 is a sectional view taken along line AA of FIG.
【０００７】この発明は、図１及び図２に示すように、
帯状の金属箔集電体１に電極合剤塗液２を塗布した後
に、その塗液２を乾燥させて塗材３とする円筒型電池用
の電池電極製造装置に関する。金属箔集電体１は巻枠11
に巻回されていて、この巻枠11から送り出された帯状の
金属箔集電体１は、まず、電極合剤塗液塗布機12により
電極合剤塗液２を塗布する。そして、塗液２が塗布され
た金属箔集電体１は、加熱したドラム13に、金属箔集電
体１が内側にくるように巻回され、このドラム13に接触
しながら走行する。加熱したドラム13に巻回された金属
箔集電体１の外側に塗布された塗液２の更に外側に微温
風ノズルダクト14が設けられていて、塗液２に微温風14
ａを吹きつける。加熱したドラム13により、塗液２は金
属箔集電体１側から乾燥し、塗材３となる。[0007] The present invention, as shown in FIGS.
The present invention relates to a device for manufacturing a battery electrode for a cylindrical battery, in which an electrode mixture coating liquid 2 is applied to a strip-shaped metal foil current collector 1, and then the coating liquid 2 is dried to form a coating material 3. The metal foil current collector 1 has a reel 11
The band-shaped metal foil current collector 1 sent out from the winding frame 11 is first coated with the electrode mixture coating liquid 2 by the electrode mixture coating liquid coating machine 12. Then, the metal foil current collector 1 to which the coating liquid 2 is applied is wound around the heated drum 13 so that the metal foil current collector 1 is located inside, and runs while contacting the drum 13. A slightly hot air nozzle duct 14 is provided further outside the coating liquid 2 applied to the outside of the metal foil current collector 1 wound around the heated drum 13,
spray a. The coating liquid 2 is dried from the side of the metal foil current collector 1 by the heated drum 13 to become the coating material 3.
【０００８】このように塗液２を金属箔集電体１側から
乾燥するので、塗材３中に蒸発成分が残らない。塗液２
は外側の微温風14ａによっても乾燥されるが、この微温
風14ａは塗液２の蒸発成分を外部に排気する作用をす
る。塗液２が乾燥して塗材３となった金属箔集電体１
は、ガイド15に導かれ、巻き取り巻枠16に巻き取られ
る。As described above, since the coating liquid 2 is dried from the metal foil current collector 1 side, no evaporation component remains in the coating material 3. Coating liquid 2
Is dried also by the outside slightly warm air 14a, but the slightly warm air 14a has a function of exhausting the evaporation component of the coating liquid 2 to the outside. Metal foil current collector 1 in which coating liquid 2 is dried to form coating material 3
Is guided by a guide 15 and wound on a winding frame 16.
【０００９】[0009]
【発明の効果】以上説明したように、この発明は、帯状
の金属箔集電体に電極合剤塗液を塗布した後に、その塗
液を乾燥させて塗材とする円筒型電池用の電池電極製造
装置において、金属箔集電体に溶剤を含む電極合剤塗液
を塗布し、続いて塗液層とは反対側の面を加熱したドラ
ムに接触させながら走行させることによって、塗液層を
乾燥させて塗材とすることを特徴とする。このようにす
ることにより、塗液層は金属箔集電体側から乾燥するの
で、乾燥して塗材となった時に中に蒸発分が残らない。
従って均一な塗材を作れる。As described above, the present invention relates to a battery for a cylindrical battery, which is obtained by applying an electrode mixture coating solution to a strip-shaped metal foil current collector and then drying the coating solution to obtain a coating material. In the electrode manufacturing apparatus, an electrode mixture coating solution containing a solvent is applied to the metal foil current collector, and then the coating is performed while the surface opposite to the coating liquid layer is run while being in contact with a heated drum. Is dried to obtain a coating material. By doing so, the coating liquid layer is dried from the side of the metal foil current collector, so that when dried to become a coating material, no evaporation remains therein.
Therefore, a uniform coating material can be made.
【図１】この発明の電池電極製造装置の断面図FIG. 1 is a sectional view of a battery electrode manufacturing apparatus of the present invention.
【図２】図１のＡ−Ａ断面図FIG. 2 is a sectional view taken along line AA of FIG. 1;
【図３】従来の乾燥機の断面図FIG. 3 is a sectional view of a conventional dryer.
１ 金属箔集電体 ２ 電極合剤塗液 ３ 塗材 11 送り出し側巻枠 12 電極合剤塗液塗布機 13 ドラム 14 微温風ノズルダクト 14ａ 微温風 15 ガイド 16 巻き取り側巻枠 DESCRIPTION OF SYMBOLS 1 Metal foil current collector 2 Electrode mixture coating liquid 3 Coating material 11 Feeding side winding frame 12 Electrode mixture coating liquid coating machine 13 Drum 14 Slightly hot air nozzle duct 14a Slightly heated air 15 Guide 16 Winding side winding frame
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−29445（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 4/00 - 4/04 ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-29445 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) H01M 4/00-4/04
Claims (4)
布する電極合剤塗液塗布機と、 その塗液を乾燥させて電極合剤とする乾燥機とを備えた
電池電極製造装置において、上記電極合剤 塗液層とは反対側の面を接触させるドラム
を備え、 かつ上記ドラムを加熱する手段とを備えた ことを特徴と
する電池電極製造装置。1. An electrode mixture coating liquid applicator for applying an electrode mixture coating liquid to a strip-shaped metal foil current collector , and a dryer for drying the coating liquid to form an electrode mixture. In the apparatus for manufacturing a battery electrode, a drum that makes contact with the surface opposite to the electrode mixture coating liquid layer
And a means for heating the drum .
一方の面に電極合剤塗液を塗布し、 ドラムは、上記金属箔集電体を巻回する ことを特徴とす
る請求項１記載の電池電極製造装置。 2. The electrode mixture coating liquid coating machine is provided with a metal foil current collector.
One surface is coated with an electrode mixture coating solution, and the drum is wound around the metal foil current collector .
The battery electrode manufacturing apparatus according to claim 1.
に、微温風を吹きつける微温風ノズルダクトを有する こ
とを特徴とする請求項１記載の電池電極製造装置。 3. An electrode mixture coating liquid applied to a metal foil current collector.
To, this with a tepid air nozzle duct blowing tepid wind
The battery electrode manufacturing apparatus according to claim 1, wherein:
の電池電極製造装置。 4. The battery electrode manufacturing apparatus according to claim 1, further comprising a metal foil current collector reel and an electrode reel.
Battery electrode manufacturing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28806491A JP3334144B2 (en) | 1991-11-01 | 1991-11-01 | Battery electrode manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28806491A JP3334144B2 (en) | 1991-11-01 | 1991-11-01 | Battery electrode manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05129021A JPH05129021A (en) | 1993-05-25 |
| JP3334144B2 true JP3334144B2 (en) | 2002-10-15 |
Family
ID=17725362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28806491A Expired - Lifetime JP3334144B2 (en) | 1991-11-01 | 1991-11-01 | Battery electrode manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3334144B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008287936A (en) * | 2007-05-15 | 2008-11-27 | Asahi Kasei Chemicals Corp | Method of manufacturing electrode |
| JP2009193932A (en) * | 2008-02-18 | 2009-08-27 | Asahi Kasei E-Materials Corp | Manufacturing method of electrode |
| JP2012069358A (en) * | 2010-09-22 | 2012-04-05 | Nissan Motor Co Ltd | Electrode drying method and electrode drying apparatus |
| CN103493258A (en) * | 2011-02-25 | 2014-01-01 | 应用材料公司 | Lithium ion cell design apparatus and method |
| JP2012243473A (en) * | 2011-05-17 | 2012-12-10 | Toyota Motor Corp | Manufacturing method of electrode |
| WO2013096220A1 (en) * | 2011-12-20 | 2013-06-27 | Applied Materials, Inc. | Apparatus and method for hot coating electrodes of lithium-ion batteries |
| JP6036324B2 (en) * | 2013-01-21 | 2016-11-30 | 株式会社豊田自動織機 | Storage device manufacturing apparatus and manufacturing method |
| KR101816763B1 (en) | 2013-05-08 | 2018-01-09 | 주식회사 엘지화학 | Electrode structure of electrochemical device including insulating layer and manufacturing thereof |
| EP2894698B1 (en) * | 2013-05-08 | 2017-03-01 | LG Chem, Ltd. | Electrode structure including insulation layer, method for manufacturing same, and electrochemical element including same |
| JP7395127B2 (en) * | 2019-08-23 | 2023-12-11 | エムテックスマート株式会社 | Battery manufacturing method and battery |
-
1991
- 1991-11-01 JP JP28806491A patent/JP3334144B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05129021A (en) | 1993-05-25 |
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