WO2011102344A1 - 電池モジュール用電極構成体 - Google Patents
電池モジュール用電極構成体 Download PDFInfo
- Publication number
- WO2011102344A1 WO2011102344A1 PCT/JP2011/053159 JP2011053159W WO2011102344A1 WO 2011102344 A1 WO2011102344 A1 WO 2011102344A1 JP 2011053159 W JP2011053159 W JP 2011053159W WO 2011102344 A1 WO2011102344 A1 WO 2011102344A1
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- WIPO (PCT)
- Prior art keywords
- battery module
- cylindrical
- plate
- metal plate
- electrode
- Prior art date
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- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 230000000630 rising effect Effects 0.000 claims description 24
- 238000005452 bending Methods 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 210000000352 storage cell Anatomy 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
- H01M50/522—Inorganic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to an improvement in an electrode structure that constitutes a part of a battery module constituting a power storage system such as a hybrid car or an electric car and constitutes an electrode of the battery module.
- a power storage system such as a hybrid car is composed of a plurality of battery modules.
- each battery module is formed by storing power storage cells having a flat plate shape in a stacked manner in a case.
- the case of the battery module is provided with an electrode electrically connected to the internal power storage cell, and the electrode is used to connect to a terminal outside the battery module. Two or more electrodes of the battery module are provided in the case. (See Patent Document 1)
- the main problem to be solved by the present invention is that the electrodes of this type of battery module can be appropriately configured with the minimum number of parts.
- an electrode structure for a battery module comprising a battery module electrode structure and a battery cell electrode in a case, It consists of a current-carrying member made of a metal plate and an insulating cover made of synthetic resin.
- the energization member includes an internal connection portion electrically connected to the battery cell and an external connection portion electrically connected to a terminal outside the battery module, The external connection portion is a rising portion formed by bending an end portion of the metal plate, and an outer surface of the rising portion is exposed to the outside of the battery module.
- a cylindrical part with a female screw is formed on the inside protruding from the The cylindrical part is formed by pressing the metal plate, and the female thread is formed by cutting the cylindrical part.
- the insulating cover includes at least a first part that covers an inner surface of the rising portion and the cylindrical portion;
- the first part is provided with a second part that is engaged and combined with the first part so as to sandwich a portion located immediately below the cylindrical part of the energizing member.
- the first part has a front surface that comes into contact with the inner surface of the rising portion, and includes a housing portion for the cylindrical portion that communicates with a through hole formed in the front surface. This is one of the embodiments.
- the electrode part of the battery module that is electrically connected to the terminal outside the battery module, that is, the rising part side of the current-carrying member is combined with the first part and the second part. It can be easily and appropriately covered with an insulating cover. Since the first part and the second part can be formed by simple resin molding, the part cost can be minimized.
- the terminal outside the battery module can be connected to the rising portion of the energizing member by bolting to the cylindrical portion, and the cylindrical portion can be energized. Since the members are integrally provided by pressing, a separate nut is not required, and the number of parts is minimized from this viewpoint. Moreover, if it does in this way, the area of the outer surface of the standing part which contacts the terminal outside a battery module can be ensured as much as possible.
- the insulation distance can be effectively increased due to the overlap of the first part and the second part.
- the electrodes of the battery module can be appropriately configured with the minimum number of parts.
- FIG. 1 is a perspective configuration diagram of a battery module according to one embodiment of the present invention.
- FIG. 2 is a perspective configuration diagram showing the electrode configuration body, the electrode of the power storage unit cell, and the terminals outside the battery module in a separated state in the embodiment of the present invention.
- FIG. 3 is an exploded perspective view of the electrode structure.
- FIG. 4 is an exploded perspective view of the electrode structure, viewed from the opposite direction to FIG.
- FIG. 5 is a front view of the electrode structure.
- FIG. 6 is a right side view of the electrode structure.
- FIG. 7 is a plan view of the electrode structure.
- FIG. 8 is a bottom view of the electrode structure.
- the battery module electrode assembly E is also referred to as a battery module M (electric storage module, module, etc.) that constitutes an electric storage system (also referred to as an electric storage unit or the like) such as a hybrid car or an electric vehicle. )) And constitutes the electrode Ma of the battery module M. That is, the electrode structure E constitutes the electrode Ma of the battery module M that is electrically connected to the terminal E ′ outside the battery module M.
- the battery module M includes a power storage cell Mb and a case Md in which the battery module Mb is housed.
- the power storage unit cell Mb is configured to have a flat plate shape.
- the battery module M is configured by placing Md in a flat box-like case in a state where a plurality of power storage cells Mb are arranged in a stacked shape.
- Each power storage cell Mb is connected in series or in parallel with its electrodes Mc (usually called tabs) connected to each other.
- the electrode structure E is composed of a current-carrying member 1 made of a metal plate and an insulating cover 2 made of synthetic resin.
- the energizing member 1 is typically made of copper or a copper alloy.
- the energization member 1 includes an internal connection portion 10 that is electrically connected to the battery cell Mb, and an external connection portion 11 that is electrically connected to a terminal E ′ outside the battery module M.
- the case Md has a substantially rectangular wide double-sided Me and Me, and four thickness side surfaces Mf extending between the double-sided Me and Me. Out of the four thickness side surfaces Mf, the external connection portion 11 of the energizing member 1 faces the outside of the case Md through an opening formed in one side surface Mf along the width direction of the case Md. Yes.
- the internal connection portion 10 of the energization member 1 is connected to the electrode Mc of the power storage cell Mb.
- the external connection portion 11 is configured as a rising portion 12 formed by bending an end portion of the metal plate.
- the outer surface 12b of the rising portion 12 is exposed outside the battery module M.
- the rising portion 12 is formed with a cylindrical portion 13 having an internal thread 14 protruding from the inner surface 12a.
- the energizing member 1 includes an elongated first plate portion 15, a second plate portion 16 extending from one end portion of the first plate portion 15 in a direction orthogonal to the first plate portion 15, and a second A third plate portion 17 that extends continuously in the direction orthogonal to the upper surface 16 a of the second plate portion 16 is provided continuously to the end portion of the plate portion 16.
- the third plate portion 17 functions as the rising portion 12.
- the upper surface 16 a of the second plate portion 16 is positioned above the upper surface 15 a of the first plate portion 15, and a step portion 18 is formed at the joint location between the first plate portion 15 and the second plate portion 16.
- the cylindrical portion 13 is formed so as to protrude from the surface of the third plate portion 17 facing the upper surface 16a of the second plate portion 16, that is, from the inner surface of the rising portion 12 in a direction perpendicular to the inner surface. Yes.
- a space is formed between the cylindrical portion 13 and the upper surface 16 a of the second plate portion 16.
- the cylindrical portion 13 has both ends of the cylinder open.
- the third plate portion 17 has an introduction hole for the bolt S communicating with the inside of the cylindrical portion 13.
- the protruding dimension of the cylindrical portion 13 from the inner surface 12 a of the rising portion 12 is about half of the distance from the inner surface 12 a to the step portion 18.
- the cylindrical portion 13 in the energizing member 1 is formed by pressing the metal plate.
- the female screw 14 is formed in the cylindrical portion 13 by cutting.
- the cylindrical portion 13 is first formed on a single metal plate by drawing, and then the inner side of the cylindrical portion 13 is tapped. Thereafter, a substantially L-shaped plate in which the first plate portion 15, the second plate portion 16, and the third plate portion 17 are positioned on the same surface is cut out from the single metal plate. Finally, the step portion 18 is formed on the substantially L-shaped plate, and the portion that becomes the third plate portion 17 is bent and raised. Thereby, the said electricity supply member 1 is obtained.
- the insulating cover 2 has a front surface 30 that is in contact with the inner surface 12 a of the rising portion 12, and includes an accommodating portion 32 for the cylindrical portion 13 that communicates with a through hole 31 formed in the front surface 30.
- One part 3 and The first part 3 is provided with a second part 4 that is engaged and combined with the first part 3 so as to sandwich a portion of the energizing member 1 that is located immediately below the cylindrical portion 13. .
- the first part 3 includes a substantially square front plate portion 34.
- a front surface 30 of the first part 3 is formed by the front surface 33 of the front plate portion 34.
- the circular through hole 31 is formed in the front plate portion 34.
- the accommodating portion 32 is configured to have a cylindrical shape in which both ends of the cylinder are opened, one end of the cylinder is integrally connected to the back surface 34 a of the front plate portion 34, and the in-cylinder space is connected to the through hole 31.
- An inner collar 32 a is formed at the other end of the cylinder of the housing portion 32.
- the first part 3 extends between the back plate portion 35 and the back plate portion 35, which are arranged with a space between the other end of the cylinder of the housing portion 32, and the back plate portion 35 and the front plate portion 34.
- the left and right side portions 36, 36 and the bottom portion 37 are provided, and the accommodating portion 32 is in a space surrounded by these.
- the distance between the front plate portion 34 and the back plate portion 35 is slightly smaller than the distance between the rising portion 12 and the step portion 18 of the energizing member 1.
- the first part 3 has a space between the outer surfaces of the left and right side portions 36 and 36 on the bottom 37 side, and the left and right side portions 36 and 36 are respectively formed with stepped portions 36a facing the bottom 37 side.
- the side wall (to be described later) of the second part 4 is placed under the step so that the second part 4 and the first part 3 are combined.
- the upper edge of the front plate portion 34 of the first part 3 and the left and right side edges on the step are bordered by a rib-like edge portion 34b.
- the second part 4 includes a plate-like base portion 40 and left and right side plate portions 41 and 41.
- the distance between the inner surfaces of the left and right plate portions 41 and 41 is substantially equal to the distance between the outer surfaces of the left and right side portions 36 and 36 of the first part 3 and the width of the second plate portion 16 of the energizing member 1.
- the longitudinal dimensions of the plate-like base portion 40 and the left and right side plate portions 41 and 41 are substantially equal to the distance between the front plate portion 34 and the back plate portion 35 of the first part 3.
- the protruding dimensions of the left and right side plate portions 41, 41 from the plate-like base portion 40 are substantially equal to the dimension obtained by adding the plate thickness of the current-carrying member 1 to the distance between the step portion 36 a and the bottom portion 37 of the first part 3. It has become. That is, in the example shown in the figure, the second part 4 includes a pair of side walls that sandwich the bottom 37 side of the first part 3 by the left and right side plate portions 41, 41 of the second part 4.
- the front edge of the left and right side plate parts 41, 41 of the second part 4 is formed with an edge part 41a that is continuous with the rib-like edge part 34b when combined with the first part 3. Further, on the inner edges of the left and right side plate portions 41, 41 of the second part 4, an engaging portion 41b for the hooked portion 36b of the first part 3 is formed in the middle in the front-rear direction. Has been. On the other hand, the hooked portions 36b are formed on the left and right side portions 36, 36 of the first part 3 and below the steps formed by the step portions 36a. In the illustrated example, the hooking portion 41b is configured as a protrusion, and the hooked portion 36b is configured as a recess for receiving the protrusion.
- the bottom part 37 of the first part 3 was placed between the left and right side plate parts 41 and 41 while expanding the distance between the left and right side plate parts 41 and 41 of the second part 4 by elastically deforming the second part 4.
- the protrusions enter the recesses by the back bending of the left and right side plate portions 41 and 41 at the positions where the upper edge portions of the left and right side plate portions 41 and 41 are in contact with the stepped portion 36a.
- the second part 4 is engaged and combined.
- the through hole 31 is formed in the housing portion 32 of the first part 3.
- the cylindrical portion 13 of the energizing member 1 is inserted through.
- the second part 4 is engaged / combined with the first part 3 with the portion (that is, the second plate portion 16) positioned directly below the cylindrical portion 13 of the energizing member 1.
- the outer surface on the upper side of the left and right side portions 36 and 36 of the first part 3 and the outer surface of the left and right side plate portions 41 and 41 of the second part 4 are positioned on the same surface.
- the rising portion 12 of the current-carrying member 1 is covered with the rib-like edge portion 34b and the edge portion 41a on the end face on the thickness side.
- a protrusion 40 a that enters the small hole 16 b formed in the second plate portion 16 of the energizing member 1 is formed in the plate-like base portion 40 of the second part 4 in this combined state.
- the electrode Ma side of the battery module M that is electrically connected to the terminal E ′ outside the battery module M, that is, the rising portion of the energization member 1 The 12 side can be easily and appropriately covered with the insulating cover 2 formed by combining the first part 3 and the second part 4. Since the first part 3 and the second part 4 can be configured by simple resin molding, the component cost can be minimized.
- the connection of the terminal E ′ outside the battery module M to the rising portion 12 of the energizing member 1 is cylindrical through the hole E′a provided in the terminal E ′.
- the electrode structure E thirdly, the first part 3 covering the inner surface 12a of the rising part 12 and the cylindrical part 13 is between the pair of side walls of the second part 4 (the left and right side plate parts 41, 41), the insulation distance can be effectively increased by the overlap margin of the first part 3 and the second part 4.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
金属板よりなる通電部材と、合成樹脂よりなる絶縁カバーとから構成されており、
前記通電部材は、蓄電体セルに電気的に接続される内部接続部と、電池モジュール外の端子に電気的に接続される外部接続部とを備えており、
外部接続部は、前記金属板の端部を折り曲げて形成された立ち上がり部であって、この立ち上がり部の外面が電池モジュール外に露出されるようになっていると共に、この立ち上がり部にはその内面から突き出す内側に雌ネジを備えた筒状部分が形成されており、
この筒状部分は前記金属板に対するプレス加工により形成され、この筒状部分に切削加工により前記雌ネジを形成させており、
前記絶縁カバーは、少なくとも前記立ち上がり部の内面と前記筒状部分を覆う第一パーツと、
この第一パーツとの間で、前記通電部材における前記筒状部分の直下に位置される箇所を挟むようにして、この第一パーツに係合組み合わされる第二パーツとを備えてなるものとした。
この第一パーツ3との間で、前記通電部材1における前記筒状部分13の直下に位置される箇所を挟むようにして、この第一パーツ3に係合組み合わされる第二パーツ4とを備えてなる。
Claims (3)
- 蓄電体セルをケースに納めてなる電池モジュールの電極を構成する電極構成体であって、
金属板よりなる通電部材と、合成樹脂よりなる絶縁カバーとから構成されており、
前記通電部材は、蓄電体セルに電気的に接続される内部接続部と、電池モジュール外の端子に電気的に接続される外部接続部とを備えており、
外部接続部は、前記金属板の端部を折り曲げて形成された立ち上がり部であって、この立ち上がり部の外面が電池モジュール外に露出されるようになっていると共に、この立ち上がり部にはその内面から突き出す内側に雌ネジを備えた筒状部分が形成されており、
この筒状部分は前記金属板に対するプレス加工により形成され、この筒状部分に切削加工により前記雌ネジを形成させており、
前記絶縁カバーは、少なくとも前記立ち上がり部の内面と前記筒状部分を覆う第一パーツと、
この第一パーツとの間で、前記通電部材における前記筒状部分の直下に位置される箇所を挟むようにして、この第一パーツに係合組み合わされる第二パーツとを備えてなることを特徴とする電池モジュール用電極構成体。 - 第一パーツは、立ち上がり部の内面に当接される前面を有すると共に、この前面に形成された貫通孔に連通した前記筒状部分の収容部を備えてなることを特徴とする請求項1に記載の電池モジュール用電極構成体。
- 第二パーツは、第一パーツの少なくとも一部を間に納める一対の側壁を有していることを特徴とする請求項1又は請求項2に記載の電池モジュール用電極構成体。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011800100131A CN102763242A (zh) | 2010-02-19 | 2011-02-15 | 电池组件用电极结构体 |
US13/578,477 US20120321944A1 (en) | 2010-02-19 | 2011-02-15 | Electrode structural body for battery module |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010034523A JP5437849B2 (ja) | 2010-02-19 | 2010-02-19 | 電池モジュール用電極構成体 |
JP2010-034523 | 2010-02-19 |
Publications (1)
Publication Number | Publication Date |
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WO2011102344A1 true WO2011102344A1 (ja) | 2011-08-25 |
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ID=44482929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/053159 WO2011102344A1 (ja) | 2010-02-19 | 2011-02-15 | 電池モジュール用電極構成体 |
Country Status (4)
Country | Link |
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US (1) | US20120321944A1 (ja) |
JP (1) | JP5437849B2 (ja) |
CN (1) | CN102763242A (ja) |
WO (1) | WO2011102344A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013015380A1 (ja) * | 2011-07-28 | 2013-01-31 | 株式会社ニフコ | 電池モジュール用電極構成体 |
WO2023079695A1 (ja) * | 2021-11-05 | 2023-05-11 | 株式会社 東芝 | 電池モジュール及び蓄電システム |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5751634B2 (ja) * | 2012-09-28 | 2015-07-22 | 株式会社Gsユアサ | 蓄電装置 |
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KR101783333B1 (ko) * | 2010-02-17 | 2017-09-29 | 가부시키가이샤 파이오락꾸스 | 모듈용 단자 |
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2010
- 2010-02-19 JP JP2010034523A patent/JP5437849B2/ja not_active Expired - Fee Related
-
2011
- 2011-02-15 US US13/578,477 patent/US20120321944A1/en not_active Abandoned
- 2011-02-15 CN CN2011800100131A patent/CN102763242A/zh active Pending
- 2011-02-15 WO PCT/JP2011/053159 patent/WO2011102344A1/ja active Application Filing
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JP2000228183A (ja) * | 1999-02-04 | 2000-08-15 | Japan Storage Battery Co Ltd | 鉛蓄電池 |
JP2005347043A (ja) * | 2004-06-01 | 2005-12-15 | Sanyo Electric Co Ltd | 車両用の電源装置 |
JP2008071638A (ja) * | 2006-09-14 | 2008-03-27 | Nissan Motor Co Ltd | 組電池および組電池の製造方法 |
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WO2013015380A1 (ja) * | 2011-07-28 | 2013-01-31 | 株式会社ニフコ | 電池モジュール用電極構成体 |
US9419302B2 (en) | 2011-07-28 | 2016-08-16 | Nifco Inc. | Electrode constituent member for battery module |
WO2023079695A1 (ja) * | 2021-11-05 | 2023-05-11 | 株式会社 東芝 | 電池モジュール及び蓄電システム |
Also Published As
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JP2011171138A (ja) | 2011-09-01 |
US20120321944A1 (en) | 2012-12-20 |
JP5437849B2 (ja) | 2014-03-12 |
CN102763242A (zh) | 2012-10-31 |
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