WO2018220924A1 - Module de cellules secondaires - Google Patents

Module de cellules secondaires Download PDF

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Publication number
WO2018220924A1
WO2018220924A1 PCT/JP2018/007455 JP2018007455W WO2018220924A1 WO 2018220924 A1 WO2018220924 A1 WO 2018220924A1 JP 2018007455 W JP2018007455 W JP 2018007455W WO 2018220924 A1 WO2018220924 A1 WO 2018220924A1
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WO
WIPO (PCT)
Prior art keywords
secondary battery
bus bar
module
battery module
positive electrode
Prior art date
Application number
PCT/JP2018/007455
Other languages
English (en)
Japanese (ja)
Inventor
藤本　貴行
啓 坂部
Original Assignee
株式会社日立製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to KR1020197030541A priority Critical patent/KR20190122866A/ko
Publication of WO2018220924A1 publication Critical patent/WO2018220924A1/fr

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    • 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
    • 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
    • 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
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • 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 a secondary battery module.
  • Patent Document 1 discloses a battery module in which a plurality of assembled batteries 3000 are stacked, and the assembled battery 3000 adjacent in the stacking direction is connected to the first connection terminal 21a of one assembled battery.
  • the second connection terminal 22a of the other assembled battery is fitted and connected in series, and the first connection terminal 21a of one assembled battery is embedded in the case 30 of the other assembled battery.
  • adjacent unit cells 3 are connected to each other at both ends of an assembled battery, which are connected using a convex terminal 4 of one unit cell 3 and a concave terminal 5 of the other unit cell 3. It is disclosed that the battery 3 has only one of the convex terminal 4 and the concave terminal 5 as a positive terminal or a negative terminal, and the other terminal is an external terminal.
  • Patent Document 1 the first connection terminal 21a of one assembled battery and the second connection terminal 22a of the other assembled battery are fitted to each other and connected in series, and the first connection terminal of one assembled battery Since 21a is embedded in the case 30 of the other assembled battery, the portion where the first connection terminal 21a and the second connection terminal 22a are formed does not contribute to the energy density of the secondary battery module, There is a possibility that the energy density of the secondary battery module is lowered.
  • patent document 2 since the convex terminal 4 and the concave terminal 5 are formed in the center part of the cell 3 side surface, the concave terminal 5 for connecting the convex terminal 4 is the energy density of a secondary battery module. There is a possibility that the energy density of the secondary battery module will be reduced.
  • the present invention aims to improve the energy density of the secondary battery module.
  • a secondary battery module having a plurality of secondary batteries having electrode terminals, the secondary battery module having a first module bus bar and a second module bus bar for electrically connecting to an adjacent secondary battery module
  • the first module bus bar and the second module bus bar are formed in the same plane as the surface on which the electrode terminals are formed, the first module bus bar protrudes from the secondary battery module, and the second module bus bar is the secondary battery module.
  • Secondary battery module formed inside.
  • the energy density of the secondary battery module can be improved. Problems, configurations, and effects other than those described above will be clarified by the following description of embodiments.
  • 1 is a secondary battery module according to an embodiment of the present invention.
  • 1 is a secondary battery module according to an embodiment of the present invention.
  • 1 is a secondary battery module according to an embodiment of the present invention.
  • 1 is a secondary battery according to an embodiment of the present invention. It is an assembled battery which concerns on one Embodiment of this invention.
  • 1 is a secondary battery module according to an embodiment of the present invention.
  • 1 is a secondary battery module according to an embodiment of the present invention.
  • It is an assembled battery which concerns on one Embodiment of this invention.
  • the secondary battery module 2000 includes a plurality of secondary batteries 1000, a plurality of cell bus bars 500, two end plates 2100, two side plates 2200, a circuit board 2300, a first module bus bar 2400, and a second module bus bar 2450.
  • the direction in which the end plate 2100 is disposed with respect to the plurality of secondary batteries 1000 is the x-axis direction
  • the direction in which the side plate 2200 is disposed with respect to the plurality of secondary batteries 1000 is the y-axis direction
  • the perpendicular to the xy plane The direction is the z-axis direction.
  • the plurality of secondary batteries 1000 are secured by end plates 2100 arranged on both sides in the x-axis direction of the plurality of secondary batteries 1000.
  • the end plate 2100 is preferably larger than the secondary battery 1000 in the yz plane and formed over the entire surface of the secondary battery 1000 so that the plurality of secondary batteries 1000 can be securely secured.
  • the end plate 2100 has a space through which the first module bus bar 2400 can pass.
  • an end plate opening 2110 is formed in the end plate 2100.
  • the end plate opening 2110 is larger than the first module bus bar 2400, and the end plate opening 2110 is large enough to allow the first module bus bar 2400 to penetrate the end plate 2100.
  • End plate 2100 is made of a steel material such as stainless steel, a material such as iron or aluminum.
  • the two end plates 2100 are held by the side plates 2200 disposed on both sides in the y-axis direction of the plurality of secondary batteries 1000.
  • the side plates 2200 are screwed to the two end plates 2100, so that the two end plates 2100 are held by the side plates 2200. Since the direction of screwing the side plate 2200 and the end plate 2100 is the same as the direction of securing the plurality of secondary batteries 1000 by the end plate 2100, the rigidity of the secondary battery module 2000 can be increased. In addition, since the thickness of the side plate 2200 and the thickness of the end plate 2100 can be made substantially the same, the rigidity of the secondary battery module 2000 can be increased.
  • Side plate 2200 is made of a steel material such as stainless steel, or a material such as iron or aluminum.
  • Side plate fixing portion 2210 is provided on side plate 2200.
  • the secondary battery module 2000 is fixed to the vehicle body by screwing the side plate fixing portion 2210 to the vehicle body.
  • Side plate openings 2220 are provided in the y-axis direction of the side plate 2200.
  • the side plate opening 2220 can prevent interference between the chip and the side plate 2200 when a chip protruding from the circuit board 2300 is arranged.
  • the circuit board 2300 is formed between the side plate 2200 and the secondary battery 1000 in the y-axis direction.
  • a circuit board 2300 is provided with a converter device, an inverter device, a resistor, and the like. By forming the circuit board 2300 between the side plate 2200 and the secondary battery 1000 in the y-axis direction, the secondary battery module 2000 can be made compact.
  • Circuit board recesses 2310 are formed at both ends of the circuit board 2300 in the x-axis direction.
  • the circuit board recess 2310 prevents interference between the first module bus bar 2400 and the circuit board 2300.
  • the circuit board recess 2310 is formed at both ends of the circuit board 2300, but the circuit board recess 2310 may be formed only at one end of the circuit board 2300.
  • FIG. 3 shows a secondary battery module according to an embodiment of the present invention.
  • a cell bus bar 500 is formed on the y-axis direction side of the secondary battery 1000.
  • a first module bus bar 2400 and a second module bus bar 2450 are formed at both ends of the secondary battery module 2000 in the x-axis direction.
  • the first module bus bar 2400 protrudes from the end plate 2100 in the x-axis direction, and the second module bus bar 2450 is formed in the end plate 2100 in the x-axis direction.
  • the adjacent secondary battery modules 2000 are electrically connected in series.
  • the cell bus bar 500, the first module bus bar 2400, and the second module bus bar 2450 are formed on the same plane. Thereby, the useless space in the secondary battery module 2000 is reduced, and the energy density of the secondary battery module 2000 can be improved.
  • the first module bus bar 2400 and the second module bus bar 2450 are made of a material having a relatively good electrical conductivity such as copper or aluminum.
  • the first module bus bar 2400 protrudes compared to the cell bus bar 500.
  • the first module bus bar 2400 may be formed on the same plane as the cell bus bar 500.
  • the second module bus bar 2450 may be eliminated, the first module bus bar 2400 may be connected to the cell bus bar 500, and the adjacent secondary battery modules 2000 may be electrically connected in series.
  • the cell bus bar 500 formed at the end in the x-axis direction becomes the second module bus bar 2450.
  • the electrode terminals in the secondary battery 1000 are formed at both ends of the secondary battery 1000 in the z-axis direction, and the cell bus bar 500 is also formed at both ends of the secondary battery 1000 in the z-axis direction in accordance with the positions where the electrode terminals are formed. .
  • the first module bus bar 2400 is formed between the cell bus bars 500 between the screws for screwing the side plate 2200 and the end plate 2100 in the z-axis.
  • the second module bus bar 2450 is formed on the cell bus bar 500 in the z-axis.
  • the cell bus bar 500 may be arranged so as to be biased in one direction in the z-axis direction.
  • the cell bus bar 500 is electrically connected to the electrode terminals.
  • the cell bus bar 500 electrically connects a plurality of secondary batteries 1000.
  • the material of the cell bus bar 500 is selected from aluminum, aluminum alloy, copper, copper alloy and the like.
  • the secondary battery 1000 includes a positive electrode 100, a negative electrode 200, a positive electrode terminal 150, a negative electrode terminal 250, a separator 300, and an outer package.
  • the direction in which the positive electrode 100, the negative electrode 200, and the separator 300 are stacked is the x-axis direction, and the vertical direction in the stacking direction is the yz plane direction.
  • the positive electrode 100 or the negative electrode 200 is an electrode
  • the positive electrode mixture layer 110 or the negative electrode mixture layer 210 is an electrode mixture layer
  • the positive electrode current collector 120 or the negative electrode current collector 220 is an electrode current collector
  • the tab 230 may be referred to as an electrode tab
  • the positive electrode terminal 150 or the negative electrode terminal 250 may be referred to as an electrode terminal.
  • the positive electrode 100, the separator 300, and the negative electrode 200 are laminated
  • the secondary battery 1000 is configured by laminating a plurality of electrode bodies 400. By connecting the positive electrode tabs 130 to each other and the negative electrode tab 230, an electrical parallel connection is configured in the secondary battery 1000.
  • the secondary battery 1000 in FIG. 4 is a stacked secondary battery, but a wound cylindrical secondary battery or a wound square secondary battery may be applied.
  • the positive electrode 100 includes a positive electrode mixture layer 110, a positive electrode current collector 120, and a positive electrode tab 130.
  • a positive electrode mixture layer 110 is formed on both surfaces of the positive electrode current collector 120.
  • the positive electrode mixture layer 110 contains at least a positive electrode active material capable of inserting and extracting Li.
  • the positive electrode active material include LiCo-based oxides, LiNi-based composite oxides, LiMn-based composite oxides, Li-Co-Ni-Mn composite oxides, LiFeP-based oxides, and the like.
  • a conductive material responsible for electronic conductivity in the positive electrode mixture layer 110, a binder that ensures adhesion between the materials in the positive electrode mixture layer 110, and further in the positive electrode mixture layer 110 A solid electrolyte for ensuring ionic conductivity may be included.
  • a material contained in the positive electrode mixture layer 110 is dissolved in a solvent to form a slurry, which is applied onto the positive electrode current collector 120.
  • the coating method is not particularly limited, and for example, a conventional method such as a doctor blade method, a dipping method, or a spray method can be used. Thereafter, the positive electrode mixture layer 110 is formed through a drying process for removing the solvent and a pressing process for ensuring the electron conductivity and ion conductivity in the positive electrode mixture layer 110.
  • ⁇ Positive electrode current collector 120, positive electrode tab 130> The positive electrode current collector 120 is electrically connected to the positive electrode tab 130.
  • the positive electrode tab 130 is led out of the electrode body 400.
  • the positive electrode mixture layer 110 is not formed on the positive electrode tab 130.
  • the positive electrode mixture layer 110 may be formed on the positive electrode tab 130 as long as the battery performance is not adversely affected.
  • an aluminum foil, an aluminum perforated foil having a hole diameter of 0.1 to 10 mm, an expanded metal, an aluminum foam plate, or the like is used for the positive electrode current collector 120 and the positive electrode tab 130.
  • an aluminum foil, an aluminum perforated foil having a hole diameter of 0.1 to 10 mm, an expanded metal, an aluminum foam plate, or the like is used for the positive electrode current collector 120 and the positive electrode tab 130 .
  • the thicknesses of the positive electrode current collector 120 and the positive electrode tab 130 are preferably 10 nm to 1 mm. From the viewpoint of achieving both the energy density of the secondary battery 1000 and the mechanical strength of the electrode, about 1 to 100 ⁇ m is desirable.
  • Negative electrode 200 It has a negative electrode 200, a negative electrode mixture layer 210, a negative electrode current collector 220, and a negative electrode tab 230. Negative electrode mixture layers 210 are formed on both surfaces of the negative electrode current collector 220.
  • the negative electrode mixture layer 210 contains at least a positive electrode active material capable of inserting and extracting Li.
  • the negative electrode active material include carbon-based materials such as natural graphite, soft carbon, and amorphous carbon, Si metal, Si alloy, lithium titanate, and lithium metal.
  • a conductive material responsible for electronic conductivity in the negative electrode mixture layer 210, a binder that ensures adhesion between the materials in the negative electrode mixture layer 210, and further in the negative electrode mixture layer 210 A solid electrolyte for ensuring ionic conductivity may be included.
  • the material contained in the negative electrode mixture layer 210 is dissolved in a solvent to form a slurry, which is applied onto the negative electrode current collector 220.
  • the coating method is not particularly limited, and for example, a conventional method such as a doctor blade method, a dipping method, or a spray method can be used.
  • the negative mix layer 210 is formed through the drying process for removing a solvent, and the press process for ensuring the electron conductivity in the negative mix layer 210, and ion conductivity.
  • Negative electrode current collector 220, negative electrode tab 230 The configurations of the negative electrode current collector 220 and the negative electrode tab 230 are substantially the same as the configurations of the positive electrode current collector 120 and the positive electrode tab 130.
  • the negative electrode current collector 220 and the negative electrode tab 230 copper foil, copper perforated foil having a hole diameter of 0.1 to 10 mm, expanded metal, foamed copper plate, etc. are used. Is also applicable.
  • the thickness of the negative electrode current collector 220 and the negative electrode tab 230 is preferably 10 nm to 1 mm. From the viewpoint of achieving both the energy density of the secondary battery 1000 and the mechanical strength of the electrode, about 1 to 100 ⁇ m is desirable.
  • Separator 300 is formed between positive electrode 100 and negative electrode 200, and when secondary battery 1000 is a lithium ion secondary battery, it allows lithium ions to pass therethrough and prevents short circuit between positive electrode 100 and negative electrode 200.
  • a material constituting the separator 300 a microporous film, a solid electrolyte, or the like can be used.
  • microporous film polyolefin such as polyethylene or polypropylene, glass fiber, or the like can be used.
  • electrolyte solution is injected into the secondary battery 1000 from the vacant side or the injection hole of the exterior body that houses the plurality of electrode bodies 400. Is filled with an electrolyte solution.
  • the electrolytic solution includes, for example, a solvent and a lithium salt, and serves as a medium for transmitting lithium ions between the positive electrode 100 and the negative electrode 200.
  • ethylene carbonate (EC), dimethyl carbonate (DMC), diethyl carbonate (DEC), propylene carbonate, butylene carbonate, ⁇ -butyrolactone, phosphate triester, trimethoxymethane, dioxolane, diethyl ether, sulfolane, etc. as the solvent. Can do. These materials may be used alone or in combination.
  • lithium salt LiPF 6, LiBF 4, LiClO 4, LiCF 3 SO 3, LiCF 3 CO 2, LiAsF 6, LiSbF 6, lithium bis oxalate borate (LiBOB), lithium imide salt (e.g., lithium bis (Fluorosulfonyl) imide, LiFSI) and the like can be preferably used. These lithium salts may be used alone or in combination.
  • the solid electrolyte Li 10 Ge 2 PS 12, Li 2 S-P 2 S 5 sulfide such as oxide-based, such as Li-La-Zr-O, the organic polymer Ya an ion liquid or ambient temperature molten salt
  • a semi-solid electrolyte supported on inorganic particles or the like, a gel electrolyte using a polymer gel as an electrolyte, or the like can be used.
  • the solid electrolyte serves as a medium for transmitting lithium ions between the positive electrode 100 and the negative electrode 200, and the above-described electrolytic solution is basically unnecessary. You can configure the connection.
  • an electrolytic solution may be added to the secondary battery 1000 even when a solid electrolyte is used as the separator 300 as long as an electrical short circuit in the secondary battery 1000 can be prevented.
  • the separator 300 may be formed between the positive electrode 100 and the negative electrode 200 as a sheet, or may be formed by coating on the electrode mixture layer.
  • the separator 300 may be formed on both surfaces of the electrode mixture layer, and if the separator 300 is formed between the positive electrode 100 and the negative electrode 200, the separator 300 may be formed on one surface of the electrode mixture layer.
  • the thickness of the separator 300 is several nanometers to several millimeters from the viewpoint of ensuring the energy density of the secondary battery 1000 and ensuring electronic insulation.
  • the positive terminal 150 and the negative terminal 250 are electrically connected to the electrode tab.
  • metals such as aluminum, copper, nickel, and stainless steel can be used.
  • the exterior body 700 houses the electrodes, the separator 300, and the electrode terminals. In order to electrically connect the electrode terminal to the cell bus bar 500, an opening is formed in the exterior body 700 so as to expose the electrode terminal on the surface of the exterior body where the electrode terminal is formed.
  • the material of the exterior body 700 is selected from materials that are corrosion resistant to the electrolyte, such as aluminum, stainless steel, and nickel-plated steel.
  • FIG. 6 shows an assembled battery according to an embodiment of the present invention.
  • the assembled battery 3000 includes a plurality of secondary battery modules 2000, and the adjacent secondary battery modules 2000 are the first module bus bar 2400 in one secondary battery module 2000 and the second in the other secondary battery module 2000.
  • the module bus bar 2450 is electrically connected in series.
  • FIG. 7 shows a secondary battery module according to an embodiment of the present invention.
  • the secondary battery 1000 is a bipolar secondary battery.
  • the bipolar secondary battery refers to a secondary battery in which an electrical series connection is configured in the secondary battery 1000.
  • the first module bus bar 2400 and the second module bus bar 2450 are connected to a plurality of secondary batteries 1000 in the secondary battery module 2000.
  • one electrode terminal of the plurality of secondary batteries 1000 is connected to the first module bus bar 2400, and the other electrode terminal is connected to the second module bus bar 2450.
  • the some secondary battery 1000 is electrically connected in parallel.
  • the secondary battery module 2000 can be made compact, and the energy density of the secondary battery module 2000 can be improved.
  • FIGS. 8 and 9 are schematic views of a secondary battery module according to an embodiment of the present invention.
  • a recess provided in the y-axis direction is used as an end plate opening 2110, and a space that allows the first module bus bar 2400 to penetrate in the y-axis direction of the end plate 2100 is formed.
  • a step is formed at the y-axis direction end of the side plate 2200, and a step is also formed at the x-axis direction end of the side plate 2200 in accordance with the step of the side plate 2200. Screwed in the y-axis direction at the stepped portion of the side plate 2200 and the stepped portion of the side plate 2200.
  • Cell bus bar 500 is arranged in a space formed between side plate 2200 and secondary battery 1000 in the y-axis direction.
  • the end plate 2100 can be made thinner.
  • the energy density of the secondary battery module 2000 can be improved.
  • two upper and lower side plates 2200 are formed, and circuit boards can be arranged on the two side plates 2200.
  • FIG. 10 shows an assembled battery according to an embodiment of the present invention.
  • the assembled battery 3000 has a pair of side plates 2200.
  • the end plate 2100 is not formed, and the end plate 2100 is formed only at both ends of the assembled battery 3000. Thereby, the assembled battery 3000 can be made compact and lightweight.
  • the side plate 2200 is not formed, and the two side plates 2200 are vertically arranged in the z-axis direction. Thereby, the assembled battery 3000 can be made lightweight.
  • the side plate 2200 may be formed in units of the secondary battery module 2000.

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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

La présente invention concerne un module de cellules secondaires (2000) qui comporte une pluralité de cellules secondaires (1000) pourvues d'une borne d'électrode, le module de cellules secondaires (2000) comportant une première barre omnibus de module (2400) et une seconde barre omnibus de module (2450) destinées à être connectées électriquement à des modules de cellules secondaires adjacents. La première barre omnibus de module (2400) et la seconde barre omnibus de module (2450) sont formées dans le même plan que la surface sur laquelle les bornes d'électrode sont formées. La première barre omnibus de module (2400) fait saillie à partir du module de cellules secondaires (2000), et la seconde barre omnibus de module (2450) est formée à l'intérieur du module de cellules secondaires (2000).
PCT/JP2018/007455 2017-05-31 2018-02-28 Module de cellules secondaires WO2018220924A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020197030541A KR20190122866A (ko) 2017-05-31 2018-02-28 이차 전지 모듈

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017107328A JP2018206495A (ja) 2017-05-31 2017-05-31 二次電池モジュール
JP2017-107328 2017-05-31

Publications (1)

Publication Number Publication Date
WO2018220924A1 true WO2018220924A1 (fr) 2018-12-06

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Publication number Priority date Publication date Assignee Title
JP7311611B2 (ja) 2019-01-09 2023-07-19 ビーワイディー カンパニー リミテッド 電池パック、車両及びエネルギー蓄積装置
KR20210042657A (ko) * 2019-10-10 2021-04-20 주식회사 엘지화학 쇼트 방지 및 충격 보호 구조가 강화된 배터리 팩
KR20230035759A (ko) 2021-09-06 2023-03-14 윤한덕 건설근로자 일자리 매칭 방법 및 그 시스템
KR20230039054A (ko) 2021-09-13 2023-03-21 김태인 건설근로자 일자리 매칭 방법 및 그 시스템
KR20230068529A (ko) 2021-11-11 2023-05-18 신우석 비대면 건설 근로자 일자리 중개 매칭 플랫폼

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JP2001216950A (ja) * 2000-02-02 2001-08-10 Sony Corp チップ型電池及び組電池装置
JP2012234684A (ja) * 2011-04-28 2012-11-29 Kawasaki Heavy Ind Ltd メンテナンスを考慮した電池システム
JP2016152133A (ja) * 2015-02-17 2016-08-22 藤倉ゴム工業株式会社 金属空気電池ユニットおよび金属空気電池
JP2017054866A (ja) * 2015-09-07 2017-03-16 株式会社豊田自動織機 蓄電モジュール

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US20130136969A1 (en) 2011-01-25 2013-05-30 Panasonic Corporation Battery module and battery assembly used in battery module
JP2012252924A (ja) 2011-06-03 2012-12-20 Primearth Ev Energy Co Ltd 組電池の製造方法

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Publication number Priority date Publication date Assignee Title
JP2001216950A (ja) * 2000-02-02 2001-08-10 Sony Corp チップ型電池及び組電池装置
JP2012234684A (ja) * 2011-04-28 2012-11-29 Kawasaki Heavy Ind Ltd メンテナンスを考慮した電池システム
JP2016152133A (ja) * 2015-02-17 2016-08-22 藤倉ゴム工業株式会社 金属空気電池ユニットおよび金属空気電池
JP2017054866A (ja) * 2015-09-07 2017-03-16 株式会社豊田自動織機 蓄電モジュール

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JP2018206495A (ja) 2018-12-27

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