JP2008282756A - Method for manufacturing device of laminated structure battery, and manufacturing device thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a laminate of a laminated structure battery, having a high manufacturing yield due to dust or coating powder hardly mixing in, and having high manufacturing efficiency, and to provide the manufacturing device thereof. <P>SOLUTION: Adsorption pads, as an adsorption device the manufacturing device of the laminated structure battery, includes, are constituted so as to surely adsorb and convey via separators 2 without directly adsorbing anode foils 1 and cathode foils 3. By fixing each adsorption pad to a conveyance handler 13 with rotation movement, reciprocating swing or reciprocating translation motion, the number of driving devices necessary for displacement of the adsorption pads between each stage of a separator supply stage 6, an anode foil supply stage 5, a cathode foil supply stage 7 and a laminate stage 8 is reduced so as to reduce the number of components necessary for dust-proof treatment, and if possible, down to a single part. In this case, since movement route for each adsorption pad becomes along a peripheral shape, a circular arc shape or linear shape, each stage is arranged along the movement route. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a method for manufacturing a laminated structure battery and an apparatus for manufacturing the same, and more particularly to a method for mutually laminating each element of a positive foil, a negative foil, and a separator constituting the laminated structure battery.

  In recent years, high-performance batteries such as lithium ion secondary batteries have been improved for increasing their capacity. The lithium ion secondary battery has a three-layer structure in which a sheet-like positive electrode material and negative electrode material, and an insulating and porous separator are sandwiched therebetween, and is impregnated with an electrolyte. Of these, materials such as lithium metal oxide are used for the positive electrode material and graphite is used for the negative electrode material, and these materials are applied to a current collector that is a metal foil, thereby forming a positive electrode material and a negative electrode material. Is common. A polymer porous film or the like is used for the separator. In order to increase the capacity of these batteries, it is advantageous to form a so-called stacked structure battery in which a combination of the positive electrode material, the negative electrode material, and the separator is stacked to form a stacked structure.

  Patent Document 1 describes an example of a method for manufacturing a lithium ion secondary battery having such a laminated structure. A method for manufacturing this laminated battery will be described with reference to FIG. FIG. 8 is an explanatory view showing a cross-sectional structure of a laminate constituting the laminated structure battery of Patent Document 1. In FIG. 8, a negative electrode foil 81 which is a negative electrode material constituting the laminated structure battery, and a positive electrode which is a positive electrode material. All the foils 83 are formed of a metal foil. In these laminates of metal foil, the negative electrode tabs 81a and the positive electrode tabs 83a provided on the respective side surfaces are alternately overlapped so as to be opposite to each other, and they are folded in a zigzag manner between the two. A separator 82 is interposed. Then, the laminate composed of the negative electrode foil 81, the positive electrode foil 83, and the separator 82 formed in this way is housed in a battery case together with an electrolytic solution, and two electrode terminals are attached. The negative electrode tab 81a, the positive electrode tab 83a, and each electrode A lithium ion secondary battery is manufactured by fixing wiring between terminals.

JP 2003-297430 A

  The method of manufacturing a laminated battery having a structure in which a separator folded in a zigzag manner is interposed between the negative electrode foil and the positive electrode foil in Patent Document 1 described above is as follows. First, a plurality of bent portions are provided in the middle of the long separator, and a negative electrode foil and a positive electrode foil are sequentially or collectively inserted into the bent portions of the separator to produce a laminate composed of these three members. When manufacturing a laminated battery having such a laminate using an automatic machine, the negative electrode foil and the positive electrode foil are directly adsorbed individually by a handling device equipped with an adsorption unit such as an adsorption pad or adsorption plate. Regarding the separator, a method of laminating these three members using an automatic feeding device or a bending device is performed. In addition, a method of using a single-wafer separator separated in the same manner as the negative electrode foil and the positive electrode foil is used for the production of the laminated body constituting the laminated battery without using the long separator as in Patent Document 1. However, in this case, not only electrode foils such as negative electrode foils and positive electrode foils, but also separators are individually adsorbed and conveyed by adsorption pads or adsorption plates, and laminated with electrode foils alternately. It will be.

  The most important issue in the lamination process of such a laminated body is the mixing of foreign matter into the laminated body. If foreign matter is mixed between the electrode foil, such as negative electrode foil or positive foil, and the separator, there is a risk of the separator being damaged by the foreign matter, especially if the mixed foreign matter has conductivity. May cause a short circuit or discharge between different electrode foils. This does not only lead to a failure of the laminated battery, but can also cause serious damage to the electronic equipment using the laminated battery. It is necessary to eliminate the possibility of mixing inside the layering process as much as possible.

  However, an electrode foil of a laminated battery is generally produced by applying a negative electrode material or a positive electrode material to a metal foil. From the side, conductive coating by the applied negative electrode material or positive electrode material is performed. There is a tendency that the milling powder is easily peeled off. If the coating powder is peeled off during handling with the suction pad or suction plate, the coating powder may adhere to the suction pad or suction plate. In this case, since the attached coating powder is scattered around as the electrode foil is conveyed, it is necessary to prevent the coating powder from being mixed into the laminated body of the laminated battery.

  It is considered that the peeling of the coating powder is mainly caused by directly adsorbing the electrode foil when the electrode foil is handled by an adsorption pad or an adsorption plate during the conveyance of the electrode foil. In the case of the conventional electrode foil transporting process described in 1., since it is necessary to insert all the electrode foils one by one between the separators folded in a zigzag manner, direct adsorption of this electrode foil can be abolished. There wasn't. This also applies to the conventional laminating process using a separated single-wafer separator. The electrode foil and the separator are handled and conveyed one by one by a suction pad or a suction plate, and are stacked in order. However, it was necessary to directly attract all electrode foils.

  Another possibility is that dust is generated from the movable parts such as the suction pad and suction plate when the transport operation is performed, and the dust is scattered around and mixed into the laminated body. . Most of these foreign substances such as coating powder and dust have been removed in the conventional process by various dust-proof measures carefully applied to the laminating apparatus and its surroundings in the laminating process. However, in the lamination process of the negative electrode foil, the positive electrode foil, and the separator, it is common that each conveyance device that conveys these three members is independently provided with a driving device, and therefore, an automatic machine used for the lamination process. There are so many parts that need to be protected against dust. For this reason, it is quite difficult to completely prevent the generation of dust from these automatic machines.

  Furthermore, in a general laminating process automatic machine, a swing-type operation is often adopted as an actuator operation of a driving device that conveys an electrode foil or a separator. In this case, as a device for transporting the negative foil, the positive foil, and the separator to the stacking stage for performing the stacking operation, a transport device having three independent rotation shafts is generally used. However, when the electrode foil or separator is transported and installed by the movement of these three rotating shafts, it is necessary to strictly adjust the position and parallelism of each element to be installed. It's not easy. Therefore, in general, a guide mechanism is provided on the side surface of the electrode foil or separator placed on the lamination stage, and each element is installed in accordance with the guide mechanism. However, in this case, since the side surface of the electrode foil comes into contact with the guide mechanism, the possibility of peeling of the coating powder from this side surface increases.

  Therefore, the first problem of the present invention is that the coating powder peeled off from the electrode foil adheres to the suction pad or suction plate of the transport device in the stacking process of the stacked structure battery and scatters to the surroundings. The solution is to solve the problem of mixing inside the body. In addition, the second problem is to suppress the generation of dust accompanying mechanical drive from movable parts such as suction pads and suction plates during the transport operation in the stacking process, and simplify the drive device of the transport device. By doing so, it is to reduce the number of parts that need to be protected against dust. By taking measures against these two problems, the possibility of generation of peeled coating powder and dust in the lamination process of the laminated battery can be reduced, thereby improving the production yield of the laminated battery. It is providing the manufacturing method of a laminated structure battery. Moreover, the improvement in the efficiency in the manufacturing process of the laminated body of a laminated structure battery accompanying these improvement is also a subject.

  In order to solve the first problem, in the present invention, lamination for a laminated structure battery is performed using a separated single-wafer separator, a negative electrode foil, and a positive electrode foil. In the laminating process, the suction pad provided in the manufacturing apparatus stops handling the negative electrode foil and the positive electrode foil directly, and the object that the suction pad directly handles is limited to the separator. This is to prevent the conductive coating powder from peeling off from the side surface of the electrode foil and directly adhering to the suction pad and scattering to the surroundings as much as possible when the suction pad is in direct contact with the electrode foil. Here, since the separator is generally formed of an insulating and porous polymer, the amount of fine powder peeled off when handled directly is much smaller than that of electrode foil, and the generated fine powder. Since it is non-conductive, the influence of the mixing is smaller. For this reason, in handling for conveyance, the suction pad directly handles only the separator.

  Here, when transporting the negative electrode foil and the positive electrode foil, the separator and the negative electrode foil, and the set of the separator and the positive electrode foil are surely transported except for one sheet formed at the end of the laminate. In this case, it is necessary to arrange the two so that the electrode foil is always on the bottom and the separator is positioned on the electrode foil, and the two sheets must be handled and transported as a set. At this time, the suction pad for transporting always handles only the separator, and does not directly contact the electrode foil located under the separator. In handling by the suction pad, a method of sucking and releasing the object to be handled by changing the air pressure inside the area in contact with the suction pad is appropriate. In this case, since the separator is porous, a part of the air can permeate through the separator in the area covered with the suction pad. Therefore, the electrode foil disposed under the separator is used for handling. Can be lifted at the same time, and both can be transported while adsorbed.

  The separator and the electrode foil can be transported by, for example, the following method when stacking and forming the laminated battery. First, four stages are provided in the conveyance area of the automatic machine for stacking. Three of them are a separator supply stage, a negative electrode foil supply stage, and a positive foil supply stage, respectively, and can supply separated single-wafer type negative electrode foil, positive electrode foil, and separator, which are stacked elements, in order. Configure as follows. The last one is a lamination stage, in which a three-layer laminate is formed. The suction pad that performs stacking work by sucking, transporting, and releasing each element is mounted on a self-propelled device that can transport each element and move between these four stages.

  The manufacturing process of the stacked product by the manufacturing apparatus is as follows. First, the suction pad first moves to the separator supply stage, where one separator is handled, and then moves to the negative foil supply stage. Therefore, the separator that has been handled is once released and placed on the negative electrode foil, and then the two elements including the single negative electrode foil existing thereunder are adsorbed and lifted. Since the separator is porous, the negative electrode foil stage can adsorb two elements including the negative electrode foil located therebelow. Thereafter, the separator and the negative electrode foil are transported to a stacking stage while both are stacked, whereupon both are released, and two elements are stacked. Next, if there is only one suction pad, if there are multiple suction pads, each time an appropriate suction pad moves again to the separator supply stage to handle one separator, and this time the positive electrode Move to the foil supply stage. As in the case of the negative foil, a set of the separator and the positive foil is handled, transported to a stacking stage, where both are released, and these elements are stacked. By this method, a laminated body in the order of negative electrode foil, separator, positive electrode foil, and separator can be formed on the lamination stage from the bottom.

  By repeating the above steps, a laminated body is produced on the lamination stage in which the negative electrode foil, the separator, the positive electrode foil, the separator,. In these steps, each element once laminated on the lamination stage is not peeled off. This is because, when the element is peeled off, there is a great risk that the coating powder peels off from the electrode foil at that time, and there is a possibility that a positional deviation of the laminate occurs during the peeling. At the end of the stacking process, only one negative foil is directly handled and stacked on the top of the stack, whereby a stack for a stacked structure battery can be manufactured. Since it is necessary to stack only the last one negative electrode foil, a negative electrode pad, which is a dedicated suction pad for that purpose, is prepared and stacked. Note that the negative electrode pad is not used for any process other than the lamination of the last negative electrode foil. In addition, when the elements at both ends of the laminated body of the laminated battery are positive foils, the lamination process starts from a combination of the separator and the positive foil, and a positive electrode pad dedicated for lamination of the last positive foil. Will be prepared.

  The above description mainly describes the case where the negative electrode foil is located at both ends of the laminate. However, even in the case of the laminate where the positive foil or the separator is located at the end, lamination is performed by the same method. The body can be made. Further, in the case where the separator is located at least one of the end portions of the laminate, it is not necessary to use a dedicated pad for forming the last one electrode foil at the end portion. In the case where separators are disposed on both ends of the laminate, one separator may be disposed on the lamination stage before the first negative electrode foil and separator are laminated. In addition, any handling device such as a suction plate can be used instead as long as it has the same effect as the suction pad described above in handling and transporting each element.

  Furthermore, when the manufacturing apparatus of the laminated body of the laminated structure battery, which is the second problem, performs the transport operation, measures against dust generated from the movable parts such as the suction pad and the suction plate along with the mechanical drive are generated. With regard to, by minimizing the number of actuators that serve as the drive unit, the number of parts that may generate dust that require dust-proofing measures is minimized, and dust generation from manufacturing equipment is prevented. And In this way, the number of drive units is one. For example, the negative electrode foil, the positive electrode foil, the separator, and the stacked stages are arranged in a circular arc at equal intervals, and these stages are arranged on the circumference at equal intervals. Examples of the method include a method of arranging each stage on a straight line at equal intervals.

  When each stage is arranged in an arc shape at equal intervals, one end of the transport handler provided with the suction pad is fixed, and the suction pad is moved in a pendulum shape on each stage. Handling, transporting and stacking of foils and separators can be performed. In addition, even when each stage is arranged on the circumference at equal intervals, it is possible to move the suction pad in a circular manner on each stage in the same way by providing a suction pad on the transfer handler with one end fixed. is there. If each stage is arranged on a straight line at equal intervals, the handling of electrode foils and separators can be performed in the same way by moving a transfer handler with suction pads at one end in parallel with each stage arranged in a row. , Conveyance, and lamination can be performed.

  Here, not only one suction pad used in the laminate manufacturing apparatus, but the suction pad for transporting the separator on the negative foil and the positive foil, respectively, and the lamination stage with the separator and each electrode foil stacked. The suction pads for transport are separated from each other, and the plurality of suction pads are moved simultaneously. As a result, the manufacturing efficiency of the laminated body of the laminated battery per suction pad moving step is improved, and the type of element handled by each suction pad can be fixed. This makes it possible to finely set the handling conditions of each suction pad for each element to be sucked, and also provides an effect of limiting the type of dust adhering to each suction pad. All of these improve the effectiveness of the dust-proofing treatment applied to each suction pad, and are effective for preventing dust from being mixed during the production of the laminated body of the laminated battery. In addition, if it has the same effect as the suction pad of the said description, arbitrary handling apparatuses, such as a suction plate, can be used instead.

  That is, the present invention is a method for manufacturing a laminated battery in which separators are sandwiched and negative electrode foils and positive electrode foils are alternately laminated, and each element of the separator, the negative electrode foil, and the positive electrode foil is disposed. Each of the supply stages of at least one separator supply stage, negative electrode foil supply stage, and positive electrode foil supply stage, and the separator, the negative electrode foil, and the positive electrode foil are alternately stacked to stack the stacked structure battery. At least one suction pad having a function of directly adsorbing the separator and the negative electrode foil and the positive electrode foil without causing direct contact between the negative foil and the positive electrode foil, and holding and releasing the negative electrode foil and the positive electrode foil without direct contact. The suction pad includes the separator, the negative electrode foil, and the separator. Each of the positive electrode foil, the separator, and the positive electrode foil and the separator elements are repeatedly laminated in this order by repeatedly conveying the positive electrode foils integrally, transporting them, and releasing them at the lamination stage. A method for manufacturing a laminated battery, characterized in that:

  In the present invention, the separator and the negative electrode foil, and the separator and the positive electrode foil, which are integrally adsorbed by the suction pad, are alternately released in the stacking stage, so that the negative electrode foil, The separator, the positive electrode foil, and each element of the separator are laminated in this order.

  Further, according to the present invention, the separator, the negative electrode foil, and the positive electrode foil are respectively disposed on the supply stages, the suction pad moves to the separator supply stage and sucks the separator, and then the suction pad The separator is released by moving to the negative foil supply stage, and the suction pad adsorbs the separator and the negative foil integrally in the negative foil supply stage, and then the adsorption pad moves to the stacking stage. Respectively releasing the separator and the negative electrode foil to laminate the negative electrode foil and the separator in the lamination stage, and the suction pad moves to the separator supply stage to adsorb the separator again, The suction pad moves to the positive foil supply stage and the The separator is released, and the suction pad integrally sucks the separator and the positive foil in the positive foil supply stage, and then the suction pad moves to the stacking stage to separate the separator and the positive foil, respectively. The positive electrode foil and the separator are respectively laminated in the lamination stage by releasing, and each element of the negative electrode foil, the separator, the positive electrode foil, and the separator is obtained by repeating each lamination in the lamination stage. Are laminated in this order, and a method for manufacturing a laminated battery.

  Furthermore, the present invention is provided with a plurality of suction pads having a function of sucking and releasing the separator by the laminated battery manufacturing apparatus, and in the separator supply stage among the plurality of suction pads, In the negative electrode foil supply stage, the adsorption pad for adsorbing the separator, in the negative electrode foil supply stage, in the negative electrode foil supply stage, and in the positive electrode foil supply stage, the separator and the positive foil are respectively integrated. The method of manufacturing a laminated battery is characterized in that the suction pads adsorbed on the two are different from each other.

  Further, according to the present invention, there is provided a negative electrode that directly contacts only the negative electrode foil and adsorbs the negative electrode foil together with the negative electrode foil and the suction pad that does not directly contact the positive electrode foil. Each of the negative electrode foil, the separator, the positive electrode foil, and the separator is repeatedly laminated in this order in the lamination stage, and then the negative electrode is placed on the surface of the separator at the outermost portion. The negative electrode foil is laminated with a dedicated pad.

  Furthermore, the present invention is an apparatus for manufacturing a laminated structure battery in which separators are sandwiched and negative electrode foils and positive electrode foils are alternately stacked. The manufacturing apparatus includes each of the separator, the negative electrode foil, and the positive electrode foil. Each of the elements is disposed, and at least one separator supply stage, a negative foil supply stage, and a positive foil supply stage, and the separator, the negative foil, and the positive foil that constitute the laminated battery are alternately arranged. At least one stacking stage for stacking and at least one suction pad having a function of sucking and releasing the separator, the suction pad directly sucking the separator, and the negative electrode foil And having a function of adsorbing and holding through the separator without directly contacting the positive foil, The suction pad integrally sucks and conveys the separator and the negative electrode foil, and the separator and the positive foil, and releases them in the stacking stage, thereby releasing the negative electrode foil, the separator, and the positive foil, and the separator. Is an apparatus for manufacturing a laminated battery characterized by sequentially stacking.

  Further, according to the present invention, the separator pad and the negative electrode foil, and the separator and the positive electrode foil, which are respectively adsorbed integrally by the suction pad, are alternately released in the stacking stage, whereby the negative electrode foil and the separator The positive electrode foil and the separator are laminated in this order.

  The present invention further includes a plurality of suction pads having a function of sucking and releasing the separator, and among the plurality of suction pads, a suction pad for sucking the separator at the separator supply stage; A suction pad for integrally adsorbing the separator and the negative electrode foil in the negative electrode foil supply stage; and a suction pad for integrally adsorbing the separator and the positive electrode foil in the positive electrode foil supply stage. It is the manufacturing apparatus of the laminated battery characterized by being mutually different adsorption pads.

  Furthermore, the present invention includes a negative electrode dedicated pad that directly contacts only the negative foil and adsorbs the negative foil, in addition to the negative pad and the suction pad that does not directly contact the positive foil. Is an apparatus for manufacturing a laminated structure battery.

  Furthermore, the present invention is the laminated battery manufacturing apparatus, wherein the suction pad and the negative electrode dedicated pad include a suction unit having a suction hole for sucking the separator.

  Further, in the present invention, the suction pad is connected to at least one transfer device that rotates, reciprocally swings, or reciprocally moves, and the separator supply stage, the negative foil supply stage, the positive foil supply stage, It is an apparatus for manufacturing a laminated battery characterized by moving between the stages of the laminated stage.

  Furthermore, in the present invention, each of the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the stacking stage is arranged in a straight line, and the one transport to which the suction pad is connected. An apparatus for manufacturing a laminated battery, wherein the apparatus has a function of reciprocating linearly.

  Further, according to the present invention, each stage of the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the stacking stage is arranged on one circular arc, and the suction pad is connected to one stage. An apparatus for manufacturing a laminated battery, wherein the transfer device has a function of rotating or reciprocating.

  Further, according to the present invention, each of the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the stacking stage is arranged on a circumference at substantially equal intervals, and the suction pad is 1. The stacked structure battery manufacturing apparatus according to claim 1, wherein one connected transport device has a function of rotating or reciprocating.

  Further, according to the present invention, each stage of the one separator supply stage, the one negative foil supply stage, the one positive foil supply stage, and the one lamination stage is circumferentially arranged at an interval of approximately 90 degrees. The stacked structure battery manufacturing apparatus is characterized in that the one transporting device to which the suction pad is connected has a function of rotating or reciprocatingly swinging.

  According to the present invention, as a first solving means, in the laminated battery manufacturing apparatus, the negative electrode foil and the positive electrode foil are not directly adsorbed except for the case where the adsorbing pad as the adsorbing device is special. It is configured to adsorb and convey. As a second solution, a plurality of suction pads are respectively connected to one or more transport handlers that rotate, reciprocate or reciprocate so that the stacking process of the stacked battery is performed with a minimum driving device. In this configuration, the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the stacking stage are sequentially moved. In this case, when a single drive device is used, a plurality of suction pads are attached to the end of the transport handler, and the other end of the transport handler is driven to rotate or swing around the shaft, or horizontally without using the shaft. Drive linearly in the direction. As a result, the suction pad can be configured to move sequentially between the supply stages arranged in a circumferential shape, an arc shape, or a linear shape. It is possible to manufacture.

  By adopting a configuration in which the suction pad does not directly touch the electrode foil and reducing the number of drive units as much as possible, the amount of dust generated itself is reduced, and the possibility of dust and coating powder adhering to the suction pad Can be reduced, thereby improving the production yield of the laminated battery. Also, by using multiple suction pads and transfer handlers, the suction pads that move between each supply stage to handle and transport each element are fixed for each process, thereby preventing dust contamination in the stacking process. In addition to improving the effect, the manufacturing efficiency of the laminated battery can be improved by simultaneously performing a plurality of lamination steps. By this method, it is possible to provide a method for manufacturing a laminated battery and a manufacturing apparatus therefor, in which the production yield is high and the production efficiency is high because dust and coating powder are mixed as little as possible.

  Hereinafter, a method for manufacturing a laminated battery and an apparatus for manufacturing the same according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is an explanatory diagram of an example of a laminated body of a laminated battery manufactured in the present invention. FIG. 1 is a diagram of an example of the laminated body 4 as viewed obliquely. The negative foil 1, the separator 2, the positive foil 3, and the separator 2 are sequentially laminated in this order from the bottom of FIG. These three types of elements do not have the same shape, and one side of the negative electrode foil 1 and the positive electrode foil 3 protrudes in the lower left direction and the upper right direction in FIG. The protruding portions correspond to the negative electrode tab and the positive electrode tab in Patent Document 1 as the prior art, and are regions that are electrically connected to the negative electrode and the positive electrode of the electrode terminal, respectively, in the laminated battery. On the other hand, in the lower right direction and the upper left direction in FIG. 1, the separator 2 protrudes from the negative foil 1 and the positive foil 3, which is in contact with the wall surface of the laminated battery case. Helps to prevent you from doing. In FIG. 1, the negative electrode foil 1 is arranged above and below the laminated body 4, but in order to realize such an arrangement, the negative electrode foil 1 is not accompanied by a separator only once at the end of the lamination process. It is only necessary to perform lamination.

  2A and 2B are schematic views of an example of an apparatus for manufacturing a laminated battery according to the present invention. FIG. 2A is a top view thereof, and FIG. 2B is a front view thereof. In FIG. 2 (a), the transport handler 13 is a star-shaped structure having four arms, and can be rotated 90 degrees clockwise and counterclockwise around its center. You can also move in the direction. A negative electrode suction pad 9, a positive electrode suction pad 11, and two separator suction pads 10 a and 10 b are respectively attached to the tips of the four arms at equal intervals. The two separator suction pads 10a and 10b are provided adjacent to each other. FIG. 2B shows a state in which the transport handler 13 is lifted upward. In this state, the transport handler 13 is rotated by 90 degrees. In FIG. 2, the negative electrode suction pad 9 and the positive electrode suction pad 11 are represented by circles, and the two separator suction pads 10a and 10b are represented by squares. However, the actual outer shape of each suction pad is not limited to these shapes. .

  Below each suction pad, a negative foil supply stage 5, a separator supply stage 6, a positive foil supply stage 7, and a stacking stage 8 are arranged at equal intervals of 90 degrees around the transfer handler 13, respectively. . A negative foil 1 is supplied on the negative foil supply stage 5, a positive foil 3 is supplied on the positive foil supply stage 7, and a separator 2 is supplied on the separator supply stage 6. The negative electrode suction pad 9, the positive electrode suction pad 11, and the two separator suction pads 10a and 10b are located immediately above each stage, and each suction pad is placed on each stage as the transport handler 13 moves up and down. Each supplied element is handled, transported to another stage and released there, and the laminated body 4 constituting the laminated structure battery is manufactured. In addition, a negative electrode pad 12 is disposed in the vicinity of the negative electrode suction pad 9, and at the end of the production of the laminate 4, the negative electrode pad 12 directly adsorbs the negative electrode foil 1 on the negative electrode foil supply stage 5 and laminates it. It conveys to the stage 8, and the negative electrode foil 1 is arrange | positioned in the upper end of the laminated body 4 there.

  Based on FIG. 3 and FIG. 4, the manufacturing method of the laminated body using the manufacturing apparatus of the laminated structure battery in this invention is demonstrated. The manufacturing apparatus shown in FIGS. 3 and 4 is the same as the example of the manufacturing apparatus in the present invention shown in FIG. 2, and FIGS. 3 (a) and 4 (a) are top views thereof and FIG. ) And FIG. 4B are front views thereof. 3 (a) and 4 (a), below each suction pad provided at the tip of each of the four arms of the transport handler 13, there is a laminating stage 8 below, and a negative foil on the right side. The supply stage 5, the positive foil supply stage 7 on the left side, and the separator supply stage 6 on the upper side are arranged at intervals of 90 degrees. 3, separator suction pads 10 a and 10 b are respectively provided on the separator supply stage 6 and the negative foil supply stage 5, the positive electrode suction pad 11 is provided immediately above the positive foil supply stage 7, and the laminate stage 8 is provided above. Negative electrode suction pads 9 are located respectively.

  The transport handler 13 is a device that performs a reciprocal swing of 90 degrees around its center axis, and rotates counterclockwise in the figure (-90 degrees from the state of FIG. 3A to the direction of rotation 14a. The state of rotation) is the state of FIG. From this state, when the transport handler 13 rotates clockwise in the drawing in the direction of the rotation direction 14b (assumed to be rotated +90 degrees), the state returns to the state of FIG. The transfer handler 13 repeats this reciprocating rocking motion, so that each suction pad provided at the tip of each arm handles the electrode foil and the separator, and repeats the transfer and release, whereby the stack of the multilayer battery is stacked. Production will be performed.

  In the state of FIG. 3, the separator suction pad 10 a handles the separator 2 in the separator supply stage 6, and the other separator suction pad 10 b transports the separator 2 to the negative electrode foil supply stage 5 and releases it there. Overlaid on the negative foil 1. On the other hand, in the positive electrode foil supply stage 7, the positive electrode suction pad 11 handles both the positive electrode foil 3 and the separator 2 stacked thereon, and in the lamination stage 8, the negative electrode suction pad 9 is positioned on the negative electrode foil 1 and above. The stacked separator 2 is released, and the negative electrode foil 1 and the separator 2 are stacked. FIG. 3B shows a state in which the axis of rotation of the transport handler 13 is lowered and each suction pad is in contact with each stage. In this state, each suction pad performs a series of handling and release for each element. I do. When this step is completed, the axis of rotation center of the transport handler 13 rises, and after being rotated by -90 degrees in the direction of rotation 14a, it is lowered to the state shown in FIG.

  In the state of FIG. 4, the separator suction pad 10 b is now handling the separator 2 in the separator supply stage 6. On the other hand, the separator suction pad 10 a transports the separator 2 to the positive foil supply stage 7, where it is released and stacked on the positive foil 3. On the other hand, in the negative electrode foil supply stage 5, the negative electrode suction pad 9 handles both the negative electrode foil 1 and the separator 2 stacked thereon, and in the lamination stage 8, the positive electrode suction pad 11 is positioned on the positive electrode foil 3 and above. The stacked separator 2 is released, and the positive foil 3 and the separator 2 are stacked. FIG. 4B also shows a state in which the axis of rotation of the transport handler 13 is lowered and each suction pad is in contact with each stage, as in FIG. 3B. Performs a series of handling and release for each element. When this process is completed, the axis of rotation center of the transport handler 13 rises again, rotates +90 degrees in the direction of rotation 14b, then descends again, and returns to the state shown in FIG. Thereafter, the state shown in FIGS. 3 and 4 is repeated in the laminated body manufacturing apparatus for the laminated battery.

  FIG. 5 is a diagram showing an example of a procedure in the manufacturing process of the laminated body of the laminated battery shown in FIGS. 3 and 4, and the arrows in the drawing represent the transport of each element between the stages by each suction pad. . Based on FIG. 5, the behavior of each suction pad for each process in the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the lamination stage in the production of the laminate will be described. As shown in FIG. 5, the separator first installed (501) on the separator supply stage is handled by the separator suction pad (502), conveyed to the negative foil supply stage according to the arrow by the rotation of the conveyance handler, and released there. (512). On the negative foil supply stage, a negative foil is installed immediately before (511). The negative foil and the separator are stacked and handled by the negative suction pad (513), and then stacked by the rotation of the transport handler. It is transferred to the stage and released there (522). As a result, a laminated body of two elements of the negative electrode foil and the separator is formed on the lamination stage.

  On the other hand, on the separator supply stage where the separator is carried away by the rotation of the transport handler, the separator is again installed immediately after that (503) and handled by the separator suction pad (504). The separator suction pad at this time is different from the suction pad that handled the separator in step 502. The handled separator is then transported to the positive foil supply stage according to the arrow by the rotation of the transport handler, and is released there (518). Along with the positive foil placed on the positive foil supply stage (517) just before that, both are stacked and handled by the positive electrode suction pad (519), and are then transported to the stacking stage by the rotation of the transport handler and released there. (523). Through this series of steps, a laminated body of four elements of a negative electrode foil, a separator, a positive electrode foil, and a separator is formed on the lamination stage.

  Thereafter, on the separator supply stage, as shown in FIG. 5, the installation of the separator and the handling by the separator suction pad are repeated (505 to 510), and the negative foil and the positive foil are also formed on the negative foil supply stage and the positive foil supply stage. A series of steps of installation, release of the separator thereon, handling of each electrode foil and separator, and conveyance to the stacking stage are performed (513 to 516, 519 to 521). Through these steps, the stacking of the elements in the order of the negative electrode foil, the separator, the positive electrode foil, and the separator is repeated from the bottom on the stacking stage, and the stacked body used for the stacked structure battery is manufactured. Finally, the negative electrode foil is directly handled by the negative electrode dedicated pad and placed on the uppermost part of the series of laminated bodies to complete the laminated body.

  The rotation of the transport handler in the example of the process described above is repeated reciprocal rocking of 90 degrees clockwise and counterclockwise. However, the rotation may not be reciprocated but repeated in the same direction. . In addition, when the transport handler is raised and lowered, all the suction pads are in contact with each stage. However, only the necessary suction pads may be in contact with each other. In order to raise and lower the transport handler, a driving device different from the rotational drive may be used, or the central axis of the transport handler may be rotated and moved up and down simultaneously by one driving device. I do not care. In any case, these drive units can be installed in a sealed space from each stage, and the possibility of becoming a source of dust is only around the central axis of the transport handler that rotates and moves up and down. It is limited to. Therefore, by taking careful measures against dust in this region, it is possible to sufficiently prevent the generation of dust from the laminated body manufacturing apparatus of the laminated structure battery and the mixing of dust into the laminated body.

  In the example of the above process, a case where a transport handler having four arms rotates 90 degrees reciprocally around one axis is shown. However, even if there are more than four arms, each stage has four stages. It doesn't matter if more. Furthermore, even if the arm provided in the transport handler is not installed rotationally symmetrically with respect to the central axis, a laminate manufacturing apparatus can be configured. The example of the manufacturing method of the laminated body of the laminated structure battery in such a case is demonstrated based on FIG. 6 and FIG.

  FIG. 6 shows a case where the transport handler of the manufacturing apparatus performs reciprocal rocking that rotates in the left-right direction in the figure about one axis, and the arrangement of each arm is symmetric about the rotation axis of the transport handler. This is an example of a case that is not. The arm provided in the transport handler in this example extends in a fan shape from the center of rotation, and the suction pads for handling the electrode foil and the separator are provided at equal intervals at the tip. 6A is a top view of the manufacturing apparatus when the transport handler is in the right direction in the figure, and FIG. 6B is a top view when the transport handler is in the left direction in the figure.

  In FIG. 6A and FIG. 6B, five stages are arranged at equal intervals. From the left, the separator supply stage 6a, the positive foil supply stage 7, the lamination stage 8, and the negative foil supply stage 5 are provided. , Each stage of the separator supply stage 6b. In addition, the suction pads attached to the tips of the four arms extending in a fan shape from the rotation center of the transport handler 13 are, in order from the left side of each figure, the separator suction pad 10a, the positive electrode suction pad 11, the negative electrode suction pad 9, and Separator suction pad 10b. In the vicinity of the negative electrode adsorbing pad 9, a negative electrode exclusive pad 12 for directly handling and laminating the negative foil at the end of the production of the laminate is provided.

  Here, in the case of FIG. 6A, the transport handler 13 is positioned in the right direction in the figure. In this case, the separator suction pad 10a is provided in the positive foil supply stage 7 and the positive suction pad is provided in the lamination stage 8. 11, a negative electrode suction pad 9 is positioned on the negative electrode foil supply stage 5, and a separator suction pad 10 b is positioned on the separator supply stage 6 b. There is no suction pad at the position of the separator supply stage 6a at the left end of the figure. In the positive electrode foil supply stage 7, the separator suction pad 10 a releases the separator, and in the stacking stage 8, the positive electrode suction pad 11 releases the set of the separator and the positive foil and stacks the two elements. In the negative electrode foil supply stage 5, the negative electrode suction pad 9 handles the set of the separator and the negative electrode foil, and in the separator supply stage 6b, the separator suction pad 10b handles the separator. Thereafter, when the transfer handler 13 moves according to the swinging direction 15a, the separator and the negative electrode foil handled by the negative electrode suction pad 9 and the separator suction pad 10b are respectively transferred to the stage on the left side of the drawing.

  When the transport handler 13 moves in the left direction of the drawing as shown in FIG. 6B, the separator suction pad 10a is provided on the separator supply stage 6a, the positive electrode suction pad 11 is provided on the positive foil supply stage 7, and the stacking stage 8 is provided. The negative electrode suction pad 9 is positioned on the negative electrode foil supply stage 5, and the separator suction pad 10 b is positioned on the negative electrode foil supply stage 5. There is no suction pad at the position of the separator supply stage 6b at the right end of the figure. Among them, the separator suction pad 10a handles the separator in the separator supply stage 6a, and the positive electrode suction pad 11 handles the set of the separator and the positive foil in the positive foil supply stage 7. In the stacking stage 8, the negative electrode suction pad 9 releases the set of the separator and the negative electrode foil to stack the two elements, and in the negative electrode foil supply stage 5, the separator suction pad 10b releases the separator. . Thereafter, when the transport handler 13 moves according to the swinging direction 15b, the separator and the positive foil handled by the separator suction pad 10a and the positive electrode suction pad 11 are respectively transported to the stage on the right side of the drawing, and FIG. Return to the state shown. The transport handler 13 repeats reciprocating rocking in the left-right direction in FIG. 6, whereby the stacked body of the stacked structure battery is manufactured in the stacked stage 8.

  FIG. 7 is an example of a case where the laminated battery manufacturing apparatus is different from FIG. 6, and an example in which the transport handler performs a reciprocating linear motion that repeats a linear motion in the horizontal direction in the figure. Is shown. The arms provided in the transport handler in this example extend in parallel with each other in a comb-like shape, and the suction pads for handling the electrode foil and the separator are provided at equal intervals at the tip thereof. FIG. 7A is a top view of the laminate manufacturing apparatus when the transport handler is in the right direction in the figure, and FIG. 7B is a top view in the case where the transport handler is in the left direction of the figure. It is.

  In FIG. 7A and FIG. 7B, five stages are provided at equal intervals. From the left, the separator supply stage 6a, the positive foil supply stage 7, the lamination stage 8, and the negative foil supply stage 5 are provided. , Each stage of the separator supply stage 6b. In addition, the suction pads attached to the tips of the four arms extending in parallel with each other in the transport handler 13 are, in order from the left side of each figure, the separator suction pad 10a, the positive electrode suction pad 11, the negative electrode suction pad 9, and the separator suction. This is the pad 10b. In the vicinity of the negative electrode adsorbing pad 9, a negative electrode exclusive pad 12 for directly handling and laminating the negative foil at the end of the production of the laminate is provided.

  Here, in the case of FIG. 7A, the transport handler 13 is located in the right direction of the figure. In this case, the separator suction pad 10a is provided in the positive foil supply stage 7 and the positive suction pad is provided in the lamination stage 8. 11, a negative electrode suction pad 9 is positioned on the negative electrode foil supply stage 5, and a separator suction pad 10 b is positioned on the separator supply stage 6 b. There is no suction pad at the position of the separator supply stage 6a at the left end of the figure. In the positive electrode foil supply stage 7, the separator suction pad 10 a releases the separator, and in the stacking stage 8, the positive electrode suction pad 11 releases the set of the separator and the positive foil and stacks the two elements. In the negative electrode foil supply stage 5, the negative electrode suction pad 9 handles the set of the separator and the negative electrode foil, and in the separator supply stage 6b, the separator suction pad 10b handles the separator. Thereafter, when the transport handler 13 moves in the linear motion direction 16a, the separator and the negative electrode foil handled by the negative electrode suction pad 9 and the separator suction pad 10b are respectively transported to the stage on the left side of the drawing.

  When the transport handler 13 moves to the left in the figure as shown in FIG. 7B, the separator suction pad 10a is placed on the separator supply stage 6a, the positive suction pad 11 is placed on the positive foil supply stage 7, and the stacking stage 8 is turned on. The negative electrode suction pad 9 is positioned on the negative electrode foil supply stage 5, and the separator suction pad 10 b is positioned on the negative electrode foil supply stage 5. There is no suction pad at the position of the separator supply stage 6b at the right end of the figure. Among them, the separator suction pad 10a handles the separator in the separator supply stage 6a, and the positive electrode suction pad 11 handles the set of the separator and the positive foil in the positive foil supply stage 7. In the stacking stage 8, the negative electrode suction pad 9 releases the set of the separator and the negative electrode foil to stack the two elements, and in the negative electrode foil supply stage 5, the separator suction pad 10b releases the separator. . Thereafter, when the transport handler 13 moves in the linear motion direction 16b, the separator and the positive foil handled by the separator suction pad 10a and the positive electrode suction pad 11 are respectively transported to the stage on the right side of the drawing, and FIG. Return to the state shown. The transport handler 13 repeats the reciprocating linear motion in the left-right direction in FIG.

  In addition, in the example of each manufacturing apparatus of the laminated body of the laminated structure battery described above, as an apparatus for handling each element, the object to be handled is adsorbed and released by changing the air pressure inside the contacted area. The case where a pad is used is shown as an example. However, any handling device such as a suction plate may be used instead as long as it has the same effect as the suction pad.

  As described above, according to the method for manufacturing a laminated battery and the manufacturing apparatus of the present invention, the suction pad as the suction device directly removes the negative foil and the positive foil except for one of the exceptional end portions. It can be configured so that it is always adsorbed and conveyed via a separator without being adsorbed. As a result, the number of drive units is reduced as much as possible to reduce the possibility of dust generation, and the possibility of dust and coating powder adhering to the suction pad is greatly reduced, resulting in an improved manufacturing yield. A battery manufacturing method and a manufacturing apparatus thereof can be provided. In addition, since this manufacturing apparatus can perform a plurality of stacking steps at the same time, it is possible to improve manufacturing efficiency. It should be noted that the above description is for explaining the effects in the case of the embodiment of the present invention, and is not intended to limit the invention described in the claims or to reduce the scope of the claims. Absent. Moreover, each part structure of this invention is not restricted to the said embodiment, A various deformation | transformation is possible within the technical scope as described in a claim.

Explanatory drawing of the example of the laminated body of the laminated structure battery manufactured in this invention. Schematic of the example of the manufacturing apparatus of the laminated structure battery in this invention. 2A is a top view and FIG. 2B is a front view. Explanatory drawing of the example of the manufacturing method of the laminated body of the laminated structure battery by the manufacturing apparatus shown in FIG. FIG. 3A is a top view of the manufacturing apparatus, and FIG. 3B is a front view of the manufacturing apparatus. Explanatory drawing of the example of the manufacturing method of the laminated body of the laminated structure battery by the manufacturing apparatus shown in FIG. 4A is a top view of the manufacturing apparatus, and FIG. 4B is a front view of the manufacturing apparatus. The figure which shows the example of the procedure of the manufacturing process of the laminated body of the laminated structure battery shown in FIG.3 and FIG.4. Explanatory drawing of the example of the manufacturing method of the laminated body of the laminated battery by the manufacturing apparatus different from FIG. 6A and 6B are top views of the manufacturing apparatus. Explanatory drawing of the example of the manufacturing method of the laminated body of the laminated battery by the manufacturing apparatus different from FIG. FIG. 7A and FIG. 7B are top views of the manufacturing apparatus, respectively. Explanatory drawing of the example of the laminated body of the conventional laminated structure battery.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,81 Negative electrode foil 2,82 Separator 3,83 Positive electrode foil 4 Laminate body 5 Negative electrode foil supply stage 6, 6a, 6b Separator supply stage 7 Positive electrode foil supply stage 8 Lamination stage 9 Negative electrode adsorption pad 10a, 10b Separator adsorption pad 11 Positive electrode Adsorption pad 12 Negative electrode dedicated pad 13 Transport handlers 14a and 14b Rotation direction 15a and 15b Oscillation direction 16a and 16b Direct movement direction 81a Negative electrode tab 83a Positive electrode tabs 501 to 523 Each procedure of the manufacturing process of the laminate

Claims (15)

A method for producing a laminated battery comprising sandwiching separators and alternately laminating negative electrode foils and positive electrode foils,
Each element of the separator, the negative electrode foil, and the positive foil is respectively disposed, and at least one separator supply stage, a negative foil supply stage, and a positive foil supply stage,
At least one lamination stage in which the separator, the negative electrode foil, and the positive electrode foil are alternately laminated to laminate the laminated battery;
A manufacturing apparatus comprising at least one suction pad having a function of directly adsorbing the separator and holding and releasing the negative electrode foil and the positive electrode foil through the separator without direct contact; Use
The adsorption pad repeatedly adsorbs and conveys the separator and the negative electrode foil, and the separator and the positive electrode foil, respectively, and releases them in the stacking stage, whereby the negative electrode foil, the separator, and A method of manufacturing a laminated battery, wherein the elements of the positive foil and the separator are repeatedly laminated in this order. By alternately releasing the separator and the negative foil, and the separator and the positive foil, which are integrally adsorbed by the suction pad, in the stacking stage,
2. The method for producing a laminated battery according to claim 1, wherein the elements of the negative foil, the separator, the positive foil, and the separator are laminated in this order. The separator, the negative electrode foil, and the positive electrode foil are respectively disposed on the supply stages,
The suction pad moves to the separator supply stage and sucks the separator;
Then, the suction pad moves to the negative foil supply stage to release the separator,
Further, the suction pad adsorbs the separator and the negative electrode foil integrally in the negative foil supply stage,
Next, the suction pad moves to the lamination stage to release the separator and the negative electrode foil, respectively, thereby laminating the negative electrode foil and the separator in the lamination stage,
The suction pad moves to the separator supply stage and sucks the separator again,
Then, the suction pad moves to the positive foil supply stage to release the separator,
Further, the suction pad integrally adsorbs the separator and the positive foil at the positive foil supply stage,
Next, the suction pad moves to the stacking stage to release the separator and the positive foil, respectively, to stack the positive foil and the separator in the stacking stage,
The lamination according to claim 2, wherein each element of the negative electrode foil, the separator, the positive electrode foil, and the separator is repeatedly laminated in this order by repeating each of the laminations in the lamination stage. A method of manufacturing a structural battery. The laminated battery manufacturing apparatus includes a plurality of suction pads having a function of sucking and releasing the separator;
Among the plurality of suction pads, in the separator supply stage, a suction pad that sucks the separator;
In the negative electrode foil supply stage, a suction pad that integrally adsorbs the separator and the negative electrode foil,
4. The method for manufacturing a laminated battery according to claim 3, wherein in the positive foil supply stage, the suction pads that integrally suck the separator and the positive foil are different suction pads. The laminated battery manufacturing apparatus includes a negative electrode pad that directly contacts only the negative foil and adsorbs the negative foil, together with the suction pad that does not directly contact the negative foil and the positive foil. ,
In the laminating stage, the negative electrode foil, the separator, the positive electrode foil, and the separator are repeatedly laminated in this order, and then the negative electrode foil is applied to the surface of the separator at the end by the negative electrode dedicated pad. The method for producing a laminated structure battery according to claim 3 or 4, wherein lamination is performed. An apparatus for manufacturing a laminated battery in which a separator foil is sandwiched between negative foils and positive foils,
The manufacturing apparatus includes at least one separator supply stage, a negative electrode foil supply stage, and a positive foil supply stage, each of which is provided with the separator, the negative electrode foil, and the positive electrode foil.
At least one laminating stage for alternately laminating the separator, the negative electrode foil, and the positive foil, each of which constitutes the laminated battery;
And at least one suction pad having a function of sucking and releasing the separator,
The adsorption pad has a function of adsorbing and holding the separator through the separator without directly adsorbing the separator and directly contacting the negative foil and the positive foil,
The suction pad integrally sucks and conveys the separator and the negative electrode foil, and the separator and the positive foil, and releases them in the stacking stage, whereby the negative electrode foil, the separator, and the positive electrode foil, An apparatus for manufacturing a laminated battery, wherein separators are sequentially laminated.   By alternately releasing the separator and the negative electrode foil, and the separator and the positive foil in the stacking stage, the negative electrode foil, the separator, the positive foil, The apparatus for manufacturing a laminated battery according to claim 6, wherein the separators are stacked in this order. A plurality of suction pads having the function of sucking and releasing the separator;
Among the plurality of suction pads, in the separator supply stage, a suction pad that sucks the separator;
In the negative electrode foil supply stage, a suction pad that integrally adsorbs the separator and the negative electrode foil,
8. The apparatus for manufacturing a laminated battery according to claim 7, wherein in the positive foil supply stage, the suction pads that integrally suck the separator and the positive foil are different suction pads.   The negative electrode foil and the positive electrode foil, in addition to the suction pad that does not directly contact the negative electrode foil, the negative electrode dedicated pad that directly contacts only the negative electrode foil and adsorbs the negative electrode foil is provided. The apparatus for manufacturing a laminated battery according to any one of 6 to 8.   10. The stacked structure battery manufacturing apparatus according to claim 6, wherein the suction pad and the negative electrode exclusive pad include a suction unit having a suction hole for sucking the separator. 11.   The suction pad is connected to at least one transfer device that rotates, reciprocates or reciprocates, and each stage of the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the lamination stage The apparatus for manufacturing a laminated battery according to any one of claims 6 to 10, wherein the apparatus moves between the two.   Each stage of the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the lamination stage is arranged in a straight line, and one of the transfer devices to which the suction pad is connected reciprocates linearly. It has a function, The manufacturing apparatus of the laminated structure battery of Claim 11 characterized by the above-mentioned.   Each stage of the separator supply stage, the negative foil supply stage, the positive foil supply stage, and the lamination stage is arranged on one circular arc, and one transfer device to which the suction pad is connected rotates. The apparatus for manufacturing a laminated battery according to claim 11, wherein the apparatus has a function of reciprocally swinging.   Each stage of the separator supply stage, the negative electrode foil supply stage, the positive electrode foil supply stage, and the stacking stage is arranged at substantially equal intervals on one circumference, and the suction pad is connected to the one stage. The apparatus for manufacturing a laminated battery according to claim 11, wherein the transfer device has a function of rotating or reciprocatingly swinging.   Each stage of the one separator supply stage, the one negative foil supply stage, the one positive foil supply stage, and the one stacking stage is arranged circumferentially at an interval of approximately 90 degrees, 15. The apparatus for manufacturing a laminated battery according to claim 14, wherein one of the transfer devices connected to the suction pad has a function of rotating or reciprocating.

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