JP3834009B2 - Battery electrode manufacturing method and battery electrode manufacturing hot press apparatus - Google Patents
Battery electrode manufacturing method and battery electrode manufacturing hot press apparatus Download PDFInfo
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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
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Description
【０００１】
【発明の属する技術分野】
この発明は、円筒型電池用の電池電極の製造方法および電池電極製造用ホットプレス装置に関し、更に詳しくは金属箔集電体及びその両面に電極合剤を塗布した積層体を加熱・押圧することにより両面の電極合剤の密度を向上するリチュームイオン二次電池電極の製造方法および電池電極製造用ホットプレス装置に関する。
【０００２】
【従来の技術】
従来、帯状の金属箔集電体に電極合剤を塗布した積層体を室温でプレス処理を行っていた。
所が、室温中の積層体のプレス処理では、電極合剤の粒子の結合が破壊され、粒子の脱落が起こり易い問題点があった。
【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を塗布した積層体を加熱・押圧することにより、軽いプレス圧で、密度の高い、平滑な表面性を有し、しかも、金属箔集電体に対する電極合剤の接着強度が向上した積層体を得る電池電極の製造方法および電池電極製造用ホットプレス装置を提供することを課題にしている。
【０００４】
【課題を解決するための手段】
この発明の電池電極製造用ホットプレス装置は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極製造用ホットプレス装置であって、加熱された可動ロールと、非加熱の固定ロールとを有し、可動ロールを、固定ロール側に押圧する油圧シリンダーを有し、可動ロールと固定ロールの温度は、電極合剤の軟化温度である８０〜１４０℃近傍に設定され、可動ロールと固定ロールとの間に積層体を挟むものである。
また、この発明の電池電極製造用ホットプレス装置は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極製造用ホットプレス装置であって、加熱された可動ロールと、非加熱の固定ロールとを有し、可動ロールを、固定ロール側に押圧する油圧シリンダーを有し、可動ロールと固定ロールの温度は、電極合剤の軟化温度である８０〜１４０℃近傍に設定され、可動ロールと固定ロールとの間に積層体を挟み、電極合剤中の粒子の脱落が起こりにくい電池電極を得ることができるものである。
また、この発明の電池電極製造用ホットプレス装置は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極製造用ホットプレス装置であって、加熱された可動ロールと、非加熱の固定ロールとを有し、可動ロールを、固定ロール側に押圧する油圧シリンダーを有し、可動ロールと固定ロールの温度は、電極合剤の軟化温度である８０〜１４０℃近傍に設定され、可動ロールと固定ロールとの間に積層体を挟み、密度の高い電池電極を得ることができるものである。
また、この発明の電池電極製造用ホットプレス装置は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極製造用ホットプレス装置であって、加熱された可動ロールと、非加熱の固定ロールとを有し、可動ロールを、固定ロール側に押圧する油圧シリンダーを有し、可動ロールと固定ロールの温度は、電極合剤の軟化温度である８０〜１４０℃近傍に設定され、可動ロールと固定ロールとの間に積層体を挟み、平滑な表面性を有する電池電極を得ることができるものである。
また、この発明の電池電極製造用ホットプレス装置は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極製造用ホットプレス装置であって、加熱された可動ロールと、非加熱の固定ロールとを有し、可動ロールを、固定ロール側に押圧する油圧シリンダーを有し、可動ロールと固定ロールの温度は、電極合剤の軟化温度である８０〜１４０℃近傍に設定され、可動ロールと固定ロールとの間に積層体を挟み、金属箔集電体に対する電極合剤の接着密度が向上した電池電極を得ることができるものである。
また、この発明の電池電極の製造方法は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極の製造方法であって、電池電極を、油圧シリンダーにより可動する可動ロールと固定ロールとの間に挟み、その電池電極を電極合剤の軟化温度近傍で加熱する方法である。
また、この発明の電池電極の製造方法は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極の製造方法であって、電池電極を、油圧シリンダーにより可動する可動ロールと固定ロールとの間に挟み加圧処理をしながら、その電池電極を電極合剤の軟化温度近傍で加熱する方法である。
また、この発明の電池電極の製造方法は、金属箔集電体の両面に電極合剤を塗布した積層体を加熱・押圧してなる円筒型電池用の電池電極の製造方法であって、電池電極を、油圧シリンダーにより可動する可動ロールと固定ロールとの間に挟み加圧処理をしながら、その電池電極を電極合剤の軟化温度近傍である８０〜１４０℃近傍で加熱する方法である。
【０００５】
このようにすることにより、電極合剤中の粒子の脱落が起こりにくく、密度の高い積層体が得られる。
【０００６】
【発明の実施の形態】
この発明は、円筒型電池用の電池電極の製造方法および電池電極製造用ホットプレス装置に関し、更に詳しくは金属箔集電体及びその両面に電極合剤を塗布した積層体を加熱・押圧することにより両面の電極合剤の密度を向上するリチュームイオン二次電池電極の製造方法および電池電極製造用ホットプレス装置に関する。
【０００７】
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用ホットプレス装置の断面図で、図２は図１の要部拡大断面図である。
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２を両面に積層してなる円筒型電池の電池電極の製造に用いる装置であって、金属箔集電体１は、銅やアルミニウムからなる箔であり、この金属箔集電体１の両面に粒子２ａをバインダー２ｂに拡散した電極合剤２を塗布した積層体３を加熱・押圧する。１１は可動ロールであり、１２は固定ロールである。可動ロール１２は油圧シリンダー１３により可動し両面に電極合剤２を配した金属集電体１を押圧する。
【０００８】
即ち、この発明は、金属箔集電体１及びその両面に電極合剤２を塗布した積層体３を加熱・押圧する円筒型電池用の電池電極製造用ホットプレス装置である。
金属箔集電体１と両面に電極合剤２を塗布した積層体３は巻枠１４に巻回されていて、この巻枠１４から送り出された積層体３は、加熱された可動ロール１１と固定ロール１２の間に挟まれロールされる。積層体３は、ガイド１５に導かれ、巻き取り巻枠１６に巻き取られる。
【０００９】
加熱された可動ロール１１と固定ロール１２の温度は、電極合剤２の軟化温度である８０〜１４０℃近傍に設定されていて、このような温度で加熱・押圧することにより、軽いプレス圧で、密度の高い積層体３を得る。
【００１０】
【発明の効果】
以上説明したように、この発明の電池電極製造用ホットプレス装置は、帯状の金属箔集電体に電極合剤を両面に積層してなる円筒型電池用の電池電極の製造に用いる装置であって、金属箔集電体及びその両面に電極合剤を塗布した積層体を加熱・押圧する。このようにすることにより、電極合剤中の粒子の脱落が起こりにくく、軽いプレス圧で、密度の高い、平滑な表面性を有し、しかも、金属箔集電体に対する電極合剤の接着強度が向上した積層体を得ることができる。
【図面の簡単な説明】
【図１】この発明の電池電極製造用ホットプレス装置の断面図
【図２】図１の要部拡大断面図
【符号の説明】
１‥‥金属箔集電体、２‥‥電極合剤、２ａ‥‥粒子、２ｂ‥‥バインダー、３‥‥積層体、１１‥‥可動ロール、１２‥‥固定ロール、１３‥‥油圧シリンダー、１４‥‥送り出し側巻枠、１５‥‥ガイド、１６‥‥巻き取り側巻枠[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for producing a battery electrode for a cylindrical battery and a hot press apparatus for producing a battery electrode, and more specifically, heating and pressing a metal foil current collector and a laminate in which an electrode mixture is applied on both surfaces thereof. The present invention relates to a method for producing a lithium ion secondary battery electrode that improves the density of the electrode mixture on both sides and a hot press device for battery electrode production.
[0002]
[Prior art]
Conventionally, a laminate in which an electrode mixture is applied to a strip-shaped metal foil current collector has been subjected to a press treatment at room temperature.
However, in the press treatment of the laminate at room temperature, there is a problem that the bonding of the electrode mixture particles is broken and the particles are likely to fall off.
[0003]
[Problems to be solved by the invention]
This invention was made to eliminate such conventional problems, and by heating and pressing a laminate in which an electrode mixture was applied to a metal foil current collector, with a light press pressure, To provide a battery electrode manufacturing method and a hot press apparatus for manufacturing a battery electrode to obtain a laminate having a high density, smooth surface property, and improved adhesion strength of an electrode mixture to a metal foil current collector Is an issue.
[0004]
[Means for Solving the Problems]
The hot press apparatus for manufacturing a battery electrode according to the present invention is a hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector. A heated movable roll and an unheated fixed roll, and a hydraulic cylinder that presses the movable roll toward the fixed roll. The temperature of the movable roll and the fixed roll is the softening temperature of the electrode mixture. Is set in the vicinity of 80 to 140 ° C., and the laminate is sandwiched between the movable roll and the fixed roll.
Moreover, the hot press apparatus for manufacturing a battery electrode according to the present invention is a hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector. And having a heated movable roll and an unheated fixed roll, and having a hydraulic cylinder that presses the movable roll toward the fixed roll, and the temperature of the movable roll and the fixed roll is the temperature of the electrode mixture. A softening temperature is set in the vicinity of 80 to 140 ° C., and a laminated body is sandwiched between a movable roll and a fixed roll, and a battery electrode in which particles in the electrode mixture hardly fall off can be obtained.
Moreover, the hot press apparatus for manufacturing a battery electrode according to the present invention is a hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector. And having a heated movable roll and an unheated fixed roll, and having a hydraulic cylinder that presses the movable roll toward the fixed roll, and the temperature of the movable roll and the fixed roll is the temperature of the electrode mixture. The softening temperature is set in the vicinity of 80 to 140 ° C., and a laminated body is sandwiched between a movable roll and a fixed roll to obtain a battery electrode having a high density.
Moreover, the hot press apparatus for manufacturing a battery electrode according to the present invention is a hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector. And having a heated movable roll and an unheated fixed roll, and having a hydraulic cylinder that presses the movable roll toward the fixed roll, and the temperature of the movable roll and the fixed roll is the temperature of the electrode mixture. The softening temperature is set in the vicinity of 80 to 140 ° C., and a laminated body is sandwiched between a movable roll and a fixed roll, and a battery electrode having a smooth surface property can be obtained.
Moreover, the hot press apparatus for manufacturing a battery electrode according to the present invention is a hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector. And having a heated movable roll and an unheated fixed roll, and having a hydraulic cylinder that presses the movable roll toward the fixed roll, and the temperature of the movable roll and the fixed roll is the temperature of the electrode mixture. A softening temperature is set to around 80 to 140 ° C., and a laminated body is sandwiched between a movable roll and a fixed roll, and a battery electrode with improved adhesion density of the electrode mixture to the metal foil current collector can be obtained. It is.
Further, the battery electrode manufacturing method of the present invention is a method of manufacturing a battery electrode for a cylindrical battery formed by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector, In this method, the battery electrode is sandwiched between a movable roll movable by a hydraulic cylinder and a fixed roll, and the battery electrode is heated in the vicinity of the softening temperature of the electrode mixture.
Further, the battery electrode manufacturing method of the present invention is a method of manufacturing a battery electrode for a cylindrical battery formed by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector, In this method, the battery electrode is heated in the vicinity of the softening temperature of the electrode mixture while the battery electrode is sandwiched between a movable roll movable by a hydraulic cylinder and a fixed roll and subjected to pressure treatment.
Further, the battery electrode manufacturing method of the present invention is a method of manufacturing a battery electrode for a cylindrical battery formed by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector, In this method, the battery electrode is heated between 80 and 140 ° C., which is near the softening temperature of the electrode mixture, while being pressed between the movable roll and the fixed roll that are moved by a hydraulic cylinder and subjected to pressure treatment. .
[0005]
By doing in this way, the particle | grains in an electrode mixture do not occur easily, and a high-density laminated body is obtained.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The present invention relates to a method for producing a battery electrode for a cylindrical battery and a hot press apparatus for producing a battery electrode, and more specifically, heating and pressing a metal foil current collector and a laminate in which an electrode mixture is applied on both surfaces thereof. The present invention relates to a method for producing a lithium ion secondary battery electrode that improves the density of the electrode mixture on both sides and a hot press device for battery electrode production.
[0007]
Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 is a sectional view of a hot press apparatus for manufacturing a battery electrode according to the present invention, and FIG. 2 is an enlarged sectional view of a main part of FIG.
As shown in FIGS. 1 and 2, the present invention is an apparatus used for manufacturing a battery electrode of a cylindrical battery in which an electrode mixture 2 is laminated on both sides of a strip-shaped metal foil current collector 1, The foil current collector 1 is a foil made of copper or aluminum, and heats and presses the laminate 3 in which the electrode mixture 2 in which the particles 2a are diffused in the binder 2b is applied to both surfaces of the metal foil current collector 1. 11 is a movable roll, and 12 is a fixed roll. The
[0008]
That is, the present invention is a hot press apparatus for manufacturing a battery electrode for a cylindrical battery that heats and presses a metal foil current collector 1 and a laminate 3 having an electrode mixture 2 applied on both surfaces thereof.
The metal foil current collector 1 and the laminated body 3 coated with the electrode mixture 2 on both sides are wound around a winding
[0009]
The temperature of the heated
[0010]
【The invention's effect】
As described above, the battery electrode manufacturing hot press apparatus of the present invention is an apparatus used for manufacturing a battery electrode for a cylindrical battery in which an electrode mixture is laminated on both sides of a strip-shaped metal foil current collector. Then, the metal foil current collector and the laminate having the electrode mixture applied on both sides thereof are heated and pressed . By doing in this way, the particles in the electrode mixture are less likely to fall off, have a light press pressure, a high density and a smooth surface property, and the adhesion strength of the electrode mixture to the metal foil current collector It is possible to obtain a laminated body with improved resistance.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a hot press apparatus for manufacturing a battery electrode according to the present invention. FIG. 2 is an enlarged cross-sectional view of the main part of FIG.
DESCRIPTION OF SYMBOLS 1 ... Metal foil collector, 2 ... Electrode mixture, 2a ... Particle, 2b ... Binder, 3 ... Laminated body, 11 ... Movable roll, 12 ... Fixed roll, 13 ... Hydraulic cylinder, 14 ... Delivery side reel, 15 ... Guide, 16 ... Winding side reel
Claims (8)
加熱された可動ロールと、非加熱の固定ロールとを有し、
上記可動ロールを、上記固定ロール側に押圧する油圧シリンダーを有し、
上記可動ロールと上記固定ロールの温度は、上記電極合剤の軟化温度である８０〜１４０℃近傍に設定され、
上記可動ロールと上記固定ロールとの間に上記積層体を挟む
ことを特徴とする電池電極製造用ホットプレス装置。A hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
Having a heated movable roll and a non-heated fixed roll;
A hydraulic cylinder that presses the movable roll toward the fixed roll;
The temperature of the movable roll and the fixed roll is set in the vicinity of 80 to 140 ° C. which is the softening temperature of the electrode mixture,
The laminated body is sandwiched between the movable roll and the fixed roll. A hot press apparatus for manufacturing a battery electrode.
加熱された可動ロールと、非加熱の固定ロールとを有し、
上記可動ロールを、上記固定ロール側に押圧する油圧シリンダーを有し、
上記可動ロールと上記固定ロールの温度は、上記電極合剤の軟化温度である８０〜１４０℃近傍に設定され、
上記可動ロールと上記固定ロールとの間に上記積層体を挟み、
上記電極合剤中の粒子の脱落が起こりにくい上記電池電極を得ることができる
ことを特徴とする電池電極製造用ホットプレス装置。A hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
Having a heated movable roll and a non-heated fixed roll;
A hydraulic cylinder that presses the movable roll toward the fixed roll;
The temperature of the movable roll and the fixed roll is set in the vicinity of 80 to 140 ° C. which is the softening temperature of the electrode mixture,
The laminate is sandwiched between the movable roll and the fixed roll,
The battery electrode manufacturing hot press apparatus characterized in that it is possible to obtain the battery electrode in which particles in the electrode mixture are unlikely to fall off.
加熱された可動ロールと、非加熱の固定ロールとを有し、
上記可動ロールを、上記固定ロール側に押圧する油圧シリンダーを有し、
上記可動ロールと上記固定ロールの温度は、上記電極合剤の軟化温度である８０〜１４０℃近傍に設定され、
上記可動ロールと上記固定ロールとの間に上記積層体を挟み、
密度の高い上記電池電極を得ることができる
ことを特徴とする電池電極製造用ホットプレス装置。A hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
Having a heated movable roll and a non-heated fixed roll;
A hydraulic cylinder that presses the movable roll toward the fixed roll;
The temperature of the movable roll and the fixed roll is set in the vicinity of 80 to 140 ° C. which is the softening temperature of the electrode mixture,
The laminate is sandwiched between the movable roll and the fixed roll,
A hot press apparatus for producing a battery electrode, wherein the battery electrode having a high density can be obtained.
加熱された可動ロールと、非加熱の固定ロールとを有し、
上記可動ロールを、上記固定ロール側に押圧する油圧シリンダーを有し、
上記可動ロールと上記固定ロールの温度は、上記電極合剤の軟化温度である８０〜１４０℃近傍に設定され、
上記可動ロールと上記固定ロールとの間に上記積層体を挟み、
平滑な表面性を有する上記電池電極を得ることができる
ことを特徴とする電池電極製造用ホットプレス装置。A hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
Having a heated movable roll and a non-heated fixed roll;
A hydraulic cylinder that presses the movable roll toward the fixed roll;
The temperature of the movable roll and the fixed roll is set in the vicinity of 80 to 140 ° C. which is the softening temperature of the electrode mixture,
The laminate is sandwiched between the movable roll and the fixed roll,
A battery electrode manufacturing hot press apparatus characterized in that the battery electrode having a smooth surface property can be obtained.
加熱された可動ロールと、非加熱の固定ロールとを有し、
上記可動ロールを、上記固定ロール側に押圧する油圧シリンダーを有し、
上記可動ロールと上記固定ロールの温度は、上記電極合剤の軟化温度である８０〜１４０℃近傍に設定され、
上記可動ロールと上記固定ロールとの間に上記積層体を挟み、
上記金属箔集電体に対する上記電極合剤の接着密度が向上した上記電池電極を得ることができる
ことを特徴とする電池電極製造用ホットプレス装置。A hot press apparatus for manufacturing a battery electrode for a cylindrical battery obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
Having a heated movable roll and a non-heated fixed roll;
A hydraulic cylinder that presses the movable roll toward the fixed roll;
The temperature of the movable roll and the fixed roll is set in the vicinity of 80 to 140 ° C. which is the softening temperature of the electrode mixture,
The laminate is sandwiched between the movable roll and the fixed roll,
The hot press apparatus for manufacturing a battery electrode, wherein the battery electrode having an improved adhesion density of the electrode mixture to the metal foil current collector can be obtained.
上記電池電極を、油圧シリンダーにより可動する可動ロールと固定ロールとの間に挟み、該電池電極を上記電極合剤の軟化温度近傍で加熱する
ことを特徴とする電池電極の製造方法。A method for producing a battery electrode for a cylindrical battery, which is obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
The battery electrode is sandwiched between a movable roll movable by a hydraulic cylinder and a fixed roll, and the battery electrode is heated in the vicinity of the softening temperature of the electrode mixture.
上記電池電極を、油圧シリンダーにより可動する可動ロールと固定ロールとの間に挟み加圧処理をしながら、該電池電極を上記電極合剤の軟化温度近傍で加熱する
ことを特徴とする電池電極の製造方法。A method for producing a battery electrode for a cylindrical battery, which is obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
The battery electrode is heated in the vicinity of the softening temperature of the electrode mixture while the battery electrode is sandwiched between a movable roll movable by a hydraulic cylinder and a fixed roll and subjected to pressure treatment. Production method.
上記電池電極を、油圧シリンダーにより可動する可動ロールと固定ロールとの間に挟み加圧処理をしながら、該電池電極を上記電極合剤の軟化温度近傍である８０〜１４０℃近傍で加熱する
ことを特徴とする電池電極の製造方法。A method for producing a battery electrode for a cylindrical battery, which is obtained by heating and pressing a laminate in which an electrode mixture is applied to both surfaces of a metal foil current collector,
The battery electrode is heated between about 80-140 ° C., which is near the softening temperature of the electrode mixture, while pressing the battery electrode between a movable roll and a fixed roll movable by a hydraulic cylinder. A method for producing a battery electrode, characterized in that
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| Application Number | Priority Date | Filing Date | Title |
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| JP2003080813A JP3834009B2 (en) | 2003-03-24 | 2003-03-24 | Battery electrode manufacturing method and battery electrode manufacturing hot press apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2003080813A JP3834009B2 (en) | 2003-03-24 | 2003-03-24 | Battery electrode manufacturing method and battery electrode manufacturing hot press apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28806391A Division JP3443833B2 (en) | 1991-11-01 | 1991-11-01 | Hot press equipment for battery electrode manufacturing |
Publications (2)
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|---|---|
| JP2003297342A JP2003297342A (en) | 2003-10-17 |
| JP3834009B2 true JP3834009B2 (en) | 2006-10-18 |
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| JP2003080813A Expired - Lifetime JP3834009B2 (en) | 2003-03-24 | 2003-03-24 | Battery electrode manufacturing method and battery electrode manufacturing hot press apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5944853B2 (en) * | 2013-03-19 | 2016-07-05 | 日本ゼオン株式会社 | Lithium ion secondary battery electrode sheet manufacturing apparatus and lithium ion secondary battery electrode sheet manufacturing method |
| ITMO20130309A1 (en) * | 2013-11-11 | 2015-05-12 | Kemet Electronics Italia S R L | LAMINATION APPARATUS |
| CN105280948B (en) * | 2015-11-20 | 2017-12-08 | 东莞市超业精密设备有限公司 | Automatic hot press of electricity core |
| KR102770379B1 (en) | 2020-09-28 | 2025-02-21 | 주식회사 엘지에너지솔루션 | Laminator for manufacturing unit structures with improved adhesion |
| DE102021105458A1 (en) * | 2021-03-08 | 2022-09-08 | Bayerische Motoren Werke Aktiengesellschaft | METHOD AND APPARATUS FOR MAKING AN ELECTRODE |
| CN114361463A (en) * | 2021-12-17 | 2022-04-15 | 合肥国轩高科动力能源有限公司 | Preparation method of composite current collector |
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