JP2021015771A5 - - Google Patents

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Publication number
JP2021015771A5
JP2021015771A5 JP2019131215A JP2019131215A JP2021015771A5 JP 2021015771 A5 JP2021015771 A5 JP 2021015771A5 JP 2019131215 A JP2019131215 A JP 2019131215A JP 2019131215 A JP2019131215 A JP 2019131215A JP 2021015771 A5 JP2021015771 A5 JP 2021015771A5
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Japan
Prior art keywords
power storage
vertical direction
plate
storage module
shaped portion
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JP2019131215A
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Japanese (ja)
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JP7315397B2 (en
JP2021015771A (en
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Priority to JP2019131215A priority Critical patent/JP7315397B2/en
Priority claimed from JP2019131215A external-priority patent/JP7315397B2/en
Publication of JP2021015771A publication Critical patent/JP2021015771A/en
Publication of JP2021015771A5 publication Critical patent/JP2021015771A5/ja
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Claims (5)

導電板を介して鉛直方向に積層されて電気的に直列に接続された複数の蓄電モジュールと、
前記複数の蓄電モジュールを前記鉛直方向において両側から拘束して一体化する一対の拘束部材と、
前記複数の蓄電モジュールのうちの前記鉛直方向の最下部に配置された前記蓄電モジュールである端部蓄電モジュールと前記鉛直方向の下側の前記拘束部材との間に配置され、前記端部蓄電モジュールに電気的に接続された集電板と、
前記鉛直方向の下側の前記拘束部材と前記集電板との間に配置された板状部を有する絶縁部材と、を備える蓄電装置であって、
前記蓄電モジュールは、
複数のバイポーラ電極がセパレータを介して前記鉛直方向に沿って積層された電極積層体と、
前記電極積層体の側面部を覆い、前記電極積層体とともに電解液を収容する空間を形成する枠体とを備え、
前記絶縁部材は、前記板状部から前記鉛直方向の上側に向かって突出する壁部を有し、
前記壁部は、前記鉛直方向から見て、前記集電板及び前記端部蓄電モジュールから離間して前記板状部の縁部に部分的に、又は、前記板状部の縁部の全周に設けられている、蓄電装置。 Multiple power storage modules stacked vertically via a conductive plate and electrically connected in series,
A pair of restraint members that restrain and integrate the plurality of power storage modules from both sides in the vertical direction,
Among the plurality of power storage modules, the end power storage module, which is the power storage module arranged at the lowermost portion in the vertical direction, and the end power storage module arranged between the restraint member on the lower side in the vertical direction. With a collector plate electrically connected to
A power storage device including an insulating member having a plate-shaped portion arranged between the restraining member on the lower side in the vertical direction and the current collector plate.
The power storage module is
An electrode laminate in which a plurality of bipolar electrodes are laminated along the vertical direction via a separator, and
A frame body that covers the side surface portion of the electrode laminate and forms a space for accommodating the electrolytic solution together with the electrode laminate is provided.
The insulating member has a wall portion that protrudes from the plate-shaped portion toward the upper side in the vertical direction.
The wall portion is separated from the current collector plate and the end power storage module when viewed from the vertical direction , and is partially on the edge portion of the plate-shaped portion or the entire circumference of the edge portion of the plate-shaped portion. A current collector installed in . 前記壁部は、前記鉛直方向から見て、前記集電板及び前記端部蓄電モジュールを囲んでいる、請求項１に記載の蓄電装置。The power storage device according to claim 1, wherein the wall portion surrounds the current collector plate and the end power storage module when viewed from the vertical direction. 前記壁部における前記鉛直方向の上側の端部の位置は、前記端部蓄電モジュールにおける前記鉛直方向の上側の端部の位置よりも、前記鉛直方向の下側に位置している、請求項１又は２に記載の蓄電装置。 The position of the upper end portion in the vertical direction on the wall portion is located on the lower side in the vertical direction than the position of the upper end portion in the vertical direction in the end power storage module. Or the power storage device according to 2 . 前記枠体と前記板状部との間には、前記枠体と前記板状部との間を液密に封止するシール部材が設けられ、
前記集電板は、前記鉛直方向から見て、前記シール部材によって囲まれた領域内に配置されている、請求項１～３のいずれか一項に記載の蓄電装置。 Between the frame body and the plate-shaped portion, a sealing member for liquid-tightly sealing between the frame body and the plate-shaped portion is provided.
The power storage device according to any one of claims 1 to 3, wherein the current collector is arranged in a region surrounded by the seal member when viewed from the vertical direction. 前記枠体は、
前記複数のバイポーラ電極のそれぞれの縁部に接合され、前記鉛直方向に積層された複数の第１枠体と、
積層された複数の前記第１枠体の周縁を一体的に封止する第２枠体とを含み、
前記シール部材は、前記第２枠体と前記板状部との間に設けられている、請求項４に記載の蓄電装置。 The frame is
A plurality of first frames bonded to the respective edges of the plurality of bipolar electrodes and laminated in the vertical direction, and a plurality of first frames.
Includes a second frame body that integrally seals the peripheral edges of the plurality of laminated first frame bodies.
The power storage device according to claim 4 , wherein the seal member is provided between the second frame body and the plate-shaped portion.
JP2019131215A 2019-07-16 2019-07-16 power storage device Active JP7315397B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019131215A JP7315397B2 (en) 2019-07-16 2019-07-16 power storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019131215A JP7315397B2 (en) 2019-07-16 2019-07-16 power storage device

Publications (3)

Publication Number Publication Date
JP2021015771A JP2021015771A (en) 2021-02-12
JP2021015771A5 true JP2021015771A5 (en) 2022-02-04
JP7315397B2 JP7315397B2 (en) 2023-07-26

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JP2019131215A Active JP7315397B2 (en) 2019-07-16 2019-07-16 power storage device

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7430615B2 (en) 2020-10-12 2024-02-13 株式会社豊田自動織機 Power storage device
US20240102627A1 (en) 2021-02-03 2024-03-28 Koito Manufacturing Co., Ltd. Road surface rendering device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3626533B2 (en) * 1995-05-24 2005-03-09 日本プラスト株式会社 Battery cover
JP2007328926A (en) * 2006-06-06 2007-12-20 Matsushita Electric Ind Co Ltd Battery pack
EP2328206A1 (en) * 2008-07-16 2011-06-01 Panasonic Corporation Battery pack
JP6096610B2 (en) * 2013-06-24 2017-03-15 東芝三菱電機産業システム株式会社 Battery tray
JP6757222B2 (en) * 2016-09-29 2020-09-16 株式会社Ｓｕｂａｒｕ Battery pack
JP6911749B2 (en) * 2017-12-26 2021-07-28 株式会社豊田自動織機 Power storage device

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