JP2018206533A5

JP2018206533A5 -

Info

Publication number: JP2018206533A5
Application number: JP2017108032A
Authority: JP
Filing date: 2017-05-31
Publication date: 2019-12-05
Anticipated expiration: 2037-05-31

Claims

電極板と、前記電極板の一方面に設けられた正極と、前記電極板の他方面に設けられた負極とを含む複数のバイポーラ電極が積層された積層体と、
前記複数のバイポーラ電極の各電極板の縁部を保持する複数の第１樹脂部と、前記積層体の積層方向から見て前記複数の第１樹脂部の周囲に設けられた筒状の第２樹脂部とを含む枠体と
を備える蓄電モジュールを作製する蓄電モジュールの製造装置であって、
前記第１樹脂部が設けられた前記バイポーラ電極を複数重ねた電極積層体が収容され、かつ、前記電極積層体が収容されたときに前記積層方向から見て前記電極積層体の周囲に空隙が形成されるキャビティと、前記キャビティの前記空隙に前記第２樹脂部となるべき樹脂を注入する注入口とを有する金型と、
前記樹脂を前記金型内に前記注入口を介して注入する射出器と、
前記積層方向から見て前記電極積層体の周囲であって前記注入口とは異なる箇所における前記金型に配置され、前記空隙内を流れてくる前記樹脂の到達を検知するセンサ部と、
前記射出器の樹脂注入を制御するとともに、前記センサ部が前記樹脂の到達を検知したタイミングに応じて、前記射出器の樹脂注入の保圧制御を始める制御部と
を備える、蓄電モジュールの製造装置。 A laminate in which a plurality of bipolar electrodes including an electrode plate, a positive electrode provided on one surface of the electrode plate, and a negative electrode provided on the other surface of the electrode plate are laminated;
A plurality of first resin portions that hold edges of each electrode plate of the plurality of bipolar electrodes, and a cylindrical second provided around the plurality of first resin portions when viewed from the stacking direction of the stacked body. A power storage module manufacturing apparatus for manufacturing a power storage module including a frame including a resin portion,
An electrode laminate in which a plurality of the bipolar electrodes provided with the first resin portion are stacked is accommodated, and when the electrode laminate is accommodated, a gap is formed around the electrode laminate as viewed from the lamination direction. a cavity formed, the mold having an inlet for injecting a pre-Symbol resin to the second resin portion to the gap of the cavity,
An injector for injecting the resin into the mold through the injection port;
A sensor unit that is arranged around the electrode stack as viewed from the stacking direction and is located in the mold at a location different from the injection port, and detects the arrival of the resin flowing in the gap;
A power storage module manufacturing apparatus comprising: a control unit that controls resin injection of the injector and starts control for holding pressure for resin injection of the injector according to timing at which the sensor unit detects arrival of the resin. .

前記センサ部が、前記電極積層体の周囲を流れる前記樹脂同士が合流する箇所に配置されている、請求項１に記載の蓄電モジュールの製造装置。 The power storage module manufacturing apparatus according to claim 1, wherein the sensor unit is disposed at a location where the resins flowing around the electrode laminate are joined together.

前記センサ部を複数備え、A plurality of the sensor units;
前記金型が前記注入口を複数有し、前記電極積層体の周囲を流れる前記樹脂同士が合流する複数の箇所のうちの少なくとも一部に前記センサ部がそれぞれ配置されており、The mold has a plurality of injection ports, and the sensor portions are respectively disposed in at least some of a plurality of locations where the resins flowing around the electrode laminate are joined together,
前記複数の注入口が、前記積層方向から見て前記電極積層体の周回方向に関して等間隔に離間している、請求項１または２に記載の蓄電モジュールの製造装置。3. The power storage module manufacturing apparatus according to claim 1, wherein the plurality of inlets are spaced at equal intervals in a circumferential direction of the electrode stack as viewed from the stacking direction.

前記電極積層体が前記積層方向から見て矩形状であり、かつ、前記電極積層体の周囲に形成された前記空隙が前記積層方向から見て矩形環状であり、
前記金型に、前記矩形環状の空隙の四辺のそれぞれに４つのセンサ部が配置されている、請求項１〜３のいずれか一項に記載の蓄電モジュールの製造装置。 The electrode stack is rectangular when viewed from the stacking direction, and the gap formed around the electrode stack is rectangular when viewed from the stacking direction ;
The electrical storage module manufacturing apparatus according to any one of claims 1 to 3, wherein four sensor units are arranged on each of four sides of the rectangular annular gap in the mold.

前記センサ部が、前記積層方向から見て前記電極積層体の周回方向に離間した一対のセンサで構成されている、請求項１に記載の蓄電モジュールの製造装置。 The power storage module manufacturing apparatus according to claim 1 , wherein the sensor unit includes a pair of sensors that are separated from each other in a circumferential direction of the electrode stack as viewed from the stacking direction.

電極板と、前記電極板の一方面に設けられた正極と、前記電極板の他方面に設けられた負極とを含む複数のバイポーラ電極が積層された積層体と、
前記複数のバイポーラ電極の各電極板の縁部を保持する複数の第１樹脂部と、前記積層体の積層方向から見て前記複数の第１樹脂部の周囲に設けられた筒状の第２樹脂部とを含む枠体と
を備える蓄電モジュールを作製する蓄電モジュールの製造方法であって、
前記第１樹脂部が設けられた前記バイポーラ電極を複数重ねた電極積層体を金型のキャビティ内に収容して、前記積層方向から見て前記電極積層体の周囲に空隙を形成する工程と、
前記第２樹脂部となるべき樹脂を、前記金型に設けられた注入口を介して、制御部によって樹脂注入が制御されている射出器から前記キャビティの前記空隙に注入する工程と、
前記積層方向から見て前記電極積層体の周囲であって前記注入口とは異なる箇所における前記金型に配置されたセンサで、前記空隙内を流れてくる前記樹脂の到達を検知する工程と、
前記センサが前記樹脂の到達を検知したタイミングに応じて、前記制御部が前記射出器の樹脂注入の保圧制御を始める工程と
を含む、蓄電モジュールの製造方法。 A laminate in which a plurality of bipolar electrodes including an electrode plate, a positive electrode provided on one surface of the electrode plate, and a negative electrode provided on the other surface of the electrode plate are laminated;
A plurality of first resin portions that hold edges of each electrode plate of the plurality of bipolar electrodes, and a cylindrical second provided around the plurality of first resin portions when viewed from the stacking direction of the stacked body. A method of manufacturing a power storage module for manufacturing a power storage module including a frame including a resin portion,
A step of accommodating an electrode laminate in which a plurality of the bipolar electrodes provided with the first resin portion are stacked in a cavity of a mold, and forming a void around the electrode laminate as viewed from the lamination direction;
The resin to be the pre-Symbol second resin part, through the inlet provided in the mold, a step of injecting from the injector to the resin injection is controlled by the gap of the cavity by the control unit,
A step of detecting the arrival of the resin flowing in the gap with a sensor arranged in the mold around the electrode stack as viewed from the stacking direction and different from the inlet;
Depending on the timing at which the sensor detects the arrival of the resin, wherein the control unit includes a step of starting the control holding pressure of the resin injected in the injection device, a manufacturing method of the power storage module.