WO2015029619A1 - Bloc de batteries - Google Patents

Bloc de batteries Download PDF

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Publication number
WO2015029619A1
WO2015029619A1 PCT/JP2014/068686 JP2014068686W WO2015029619A1 WO 2015029619 A1 WO2015029619 A1 WO 2015029619A1 JP 2014068686 W JP2014068686 W JP 2014068686W WO 2015029619 A1 WO2015029619 A1 WO 2015029619A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery pack
circuit board
rubber
waterproof container
cable
Prior art date
Application number
PCT/JP2014/068686
Other languages
English (en)
Japanese (ja)
Inventor
和典 圓岡
Original Assignee
Ｎｅｃエナジーデバイス株式会社
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 Ｎｅｃエナジーデバイス株式会社 filed Critical Ｎｅｃエナジーデバイス株式会社
Priority to JP2015534074A priority Critical patent/JP6443936B2/ja
Publication of WO2015029619A1 publication Critical patent/WO2015029619A1/fr

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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
    • H01M50/20—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]
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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 battery pack incorporating a secondary battery.
  • a battery module or a battery pack in which a secondary battery is incorporated is used as a power source used in vehicles such as an electric vehicle, an electric motorcycle, and an electric assist bicycle, and a power source used in a house or a building.
  • a lithium ion battery having a large mass energy density and volume energy density and a high voltage per unit battery is preferable.
  • Lithium-ion batteries include a wound type in which a belt-like positive electrode and a belt-like negative electrode are laminated via a separator, and a laminated type in which a plate-like positive electrode and a negative electrode are laminated via a separator.
  • the columnar shape is generally flat.
  • the flat lithium ion battery in which the battery element is packaged with a film-like member has a generally rectangular shape, so that it can be densely accommodated in the device and is lightweight, so that a high volume energy density or A mass energy density device can be realized.
  • the characteristic of being lightweight has an important significance in a battery of a moving power source such as a power motor for a vehicle.
  • the battery core pack such as a battery module, or both the battery core pack and the circuit board are waterproofed with a blister pack, it is not sufficient to dissipate the heat generated by the battery during charge / discharge. There is a problem of becoming. For this reason, there was a possibility of causing deterioration of the performance of the battery core pack. It is an object of the present invention to provide a battery pack including a battery module in which film-clad batteries are stacked, and having good heat dissipation with improved waterproofness of a substrate.
  • the present invention is a battery pack that accommodates a unit battery and a circuit board including a protection circuit in an exterior case, and the exterior of the exterior battery pack except for a part of a cable that is drawn from the circuit board.
  • a waterproof container different from the case, the cable is drawn out from the opening of the waterproof container, and the circuit board is liquid-tightly accommodated in the waterproof container by sealing the opening. Then, the problem is solved by providing a battery pack in which the sealing is performed by heat welding or adhesion by an adhesive material.
  • the circuit board provided in the battery pack does not malfunction or leak due to water, and the circuit board is sealed in the battery pack with a film exterior material.
  • a long-life battery pack can be provided by realizing both good heat dissipation and reliable waterproofing without taking any special measures.
  • FIG. 1 is an exploded perspective view illustrating a battery pack according to the present invention.
  • FIG. 2 is a diagram for explaining an assembly procedure of the battery pack of the present invention.
  • FIG. 3 is a diagram for explaining another assembly procedure of the battery pack of the present invention.
  • FIG. 4 is a diagram for explaining another assembly procedure of the battery pack of the present invention.
  • FIG. 5 is an exploded perspective view illustrating the battery pack of the present invention.
  • FIG. 1 is an exploded perspective view illustrating a battery pack according to the present invention.
  • the battery pack 100 of the present invention includes a battery module 103 in which a plurality of unit batteries 101 made of film-clad batteries are integrated, and a circuit board 105 that controls charging / discharging of the batteries.
  • the circuit board 105 is accommodated in a waterproof container 120 (shown by a broken line in the figure) and placed on the rubber-like member 110.
  • An adhesive material 123 is filled and sealed between the waterproof container 120 and the upper waterproof rubber 121a and the lower waterproof rubber 121b attached to the opening.
  • the charge / discharge current input / output cable 107a and the charge / discharge control signal cable 107b are arranged in the groove 111 formed in the rubber member 110 and pulled out.
  • the waterproof container 120 containing the battery module 103 and the circuit board is housed in the main body housing part 133 of the lower container 131, and the connector 112 is housed in the connector housing part 137 of the lower container 131.
  • the upper lid 135 is mounted from above, and screws are screwed into the screw holes 142 to integrate the upper lid 135 and the lower container 131 together.
  • a battery pack excellent in waterproofness is completed.
  • FIG. 2 is a diagram for explaining an assembly procedure of the battery pack of the present invention.
  • a circuit board 105 is placed on a rubber-like member 110 provided on a battery module 103 in which a plurality of unit batteries 101 made of film-clad batteries are integrated.
  • a lower waterproof rubber 121 b is disposed at the end of the circuit board 105.
  • the charge / discharge current input / output cable 107a and the charge / discharge control signal cable 107b taken out from the circuit board 105 are arranged on the lower waterproof rubber 121b.
  • Each cable is taken out through a groove 111 provided in the rubber-like member and connected to the connector 112.
  • Adhesive material 123 is applied to the periphery of each cable, and upper waterproof rubber 121a is disposed on the upper part of the cable, and upper waterproof rubber 121a and lower waterproof rubber 121b are integrated, so that the periphery of each cable and the upper waterproof rubber are integrated. Prevent water from penetrating between the lower waterproof rubber 121b.
  • a synthetic rubber foam can be used for the upper waterproof rubber and the lower waterproof rubber. Examples of waterproof containers include polyester resins such as polyethylene terephthalate and polybutylene terephthalate, and polyvinyl chloride.
  • a synthetic rubber adhesive can be used as the adhesive material.
  • the opening of the waterproof container 120 is inserted from the side opposite to the side where the cable is taken out from the circuit board 105. And the edge part of the said opening part is adhere
  • FIG. 3 is a diagram for explaining another assembly procedure of the battery pack of the present invention.
  • a circuit board 105 is placed on a rubber-like member 110 provided on a battery module 103 in which a plurality of unit batteries 101 made of film-clad batteries are integrated.
  • the charge / discharge current input / output cable 107 a and the charge / discharge control signal cable 107 b taken out from the circuit board 105 are arranged in the groove 111 provided on the rubber-like member 110.
  • the opening of the waterproof container 120 is inserted from the side opposite to the side where the cable is taken out from the circuit board 105.
  • Drawing 3B is a figure explaining an example of the heat welding jig which heat-welds the opening of a waterproof container.
  • the heat welding jig 150 has a recess 151 for a cable that can be sealed by heat welding of a waterproof container together with the periphery of each cable. Therefore, a thermal welded portion in which the opening portion of the waterproof container 120 is sealed together with the cable by attaching each cable portion together with the waterproof container to the recess 151 and thermally welding while pressing with a thermal welding jig from both sides. Can be formed.
  • FIG. 3C the waterproof treatment of the circuit board is completed by forming the heat-welded portion including the portion where the cable is taken out.
  • the waterproof container 120 that houses the battery module 103 and the circuit board 105 is housed in the main body housing portion 133 of the lower container 131, and the connector 111 is placed in the lower container 131. It is accommodated in the connector accommodating portion 137.
  • the upper lid body 135 is mounted from the upper part, screws are screwed into the screw holes 142, and the upper lid body 135 and the lower container 131 are integrated to complete a battery pack excellent in waterproofness.
  • a shock absorbing material such as sponge on the upper surface, the lower surface, and the periphery so that the battery module, the circuit board, and the like do not move in the battery pack due to impact.
  • the waterproof container is subjected to a treatment that makes the coefficient of friction small and has excellent slidability.
  • a treatment that makes the coefficient of friction small and has excellent slidability By making the slidability excellent, workability during assembly can be improved.
  • the slidability can be improved by applying a fluorine-based coating agent in which a fluorine-containing resin is dissolved on the surface.
  • the internal state can be easily confirmed by using a transparent film for the waterproof container.
  • FIG. 4 is a diagram for explaining another assembly procedure of the battery pack of the present invention.
  • a substrate holder 125 having wall surfaces on three sides is arranged on a rubber-like member 110 provided on a battery module 103 in which a plurality of unit batteries each made of a film-clad battery are integrated.
  • the circuit board 105 is inserted into a waterproof container made of a polyester resin typified by polyethylene terephthalate, polybutylene terephthalate, or the like, or polyvinyl chloride, and then placed on the wall surface of the board holder.
  • the charge / discharge current input / output cable 107a and the charge / discharge control signal cable 107b taken out from the circuit board 105 are sandwiched between the upper waterproof rubber 121a and the lower waterproof rubber 121b, and an adhesive material such as a synthetic rubber adhesive is used. To seal the opening. Thereby, the waterproof treatment of the circuit board is completed.
  • a substrate holder 125 accommodating the battery module 103 and the circuit board is accommodated in the upper lid 135 and the substrate holder 125 is screwed to the upper lid 135.
  • the lower container 131 is mounted from the lower part, and screws are screwed into the screw holes 142 to integrate the upper lid 135 and the lower container 131 together.
  • a battery pack excellent in waterproofness is completed.
  • the input / output cable 107a and the charge / discharge control signal cable 107b taken out from the circuit board 105 are held in a groove provided in the cable holding member 127 arranged on the rubber-like member 110, so that vibration resistance characteristics, Impact resistance can be enhanced.
  • FIG. 5 is an exploded perspective view illustrating the battery pack of the present invention.
  • FIG. 5 is an exploded perspective view illustrating the battery pack assembled by the battery pack assembling process of the present invention described in FIG.
  • the circuit board 105 is held inside a substrate holder 125 having wall surfaces on three sides arranged on the battery module 103, and is fixed to the upper lid. Further, the input / output cable 107 a and the charge / discharge control signal cable 107 b taken out from the circuit board 125 are held by grooves provided in the cable holding member 127 disposed on the rubber-like member 110.
  • the circuit board 105 can be more reliably held. As a result, it is possible to provide a battery pack with improved vibration resistance and impact resistance.
  • lithium transition metal complex oxides such as lithium manganese complex oxide and lithium cobalt complex oxide
  • the positive electrode of a battery main body lithium transition metal complex oxides, such as lithium manganese complex oxide and lithium cobalt complex oxide, will be active as an active material. It can be used as a substance. Moreover, a conductivity-imparting material and other additives can be appropriately added thereto.
  • the current collector foil include metals that are stable even when a positive electrode potential is applied, such as an aluminum foil.
  • a carbon material that can be doped / dedoped with lithium a slurry obtained by mixing a conductive material such as carbon black, a binder, etc., coated on a copper foil or the like is used. it can.
  • the battery pack of the present invention is sealed by storing only the circuit board in a waterproof container except for battery modules that generate a large amount of heat during charging and discharging, it has good heat dissipation and is used outdoors in rainy weather. Even in this case, a battery pack that realizes stable operation can be provided.
  • DESCRIPTION OF SYMBOLS 100 ... Battery pack, 101 ... Unit battery, 103 ... Battery module, 105 ... Circuit board, 107a ... Cable for input / output of charging / discharging current, 107b ... For charge / discharge control Signal cable, 110 ... rubber-like member, 111 ... groove, 112 ... connector, 120 ... waterproof container, 121a ... upper waterproof rubber, 121b ... lower waterproof rubber, 123 ..Adhesive material, 125 ... substrate holder, 127 ... cable holding member, 131 ... lower container, 133 ... main body housing, 135 ... upper cover, 137 ... connector housing , 142... Screw hole, 150... Hot welding jig, 151.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Le problème décrit par la présente invention est de pourvoir à : une batterie emballée dans un film qui présente une résistance vis-à-vis d'un choc externe ; un bloc de batteries ; et un module de batterie. La solution selon l'invention porte sur un bloc de batteries, une cellule unitaire et une carte de circuit imprimé qui est pourvue d'un circuit de protection étant logées dans un boîtier externe. Le bloc de batteries est caractérisé en ce que : la carte de circuit imprimé, à l'exception d'une partie d'un câble menant vers l'extérieur de la carte de circuit imprimé, est logée dans un contenant étanche qui est différent du boîtier externe ; le câble mène vers l'extérieur du contenant étanche à travers une ouverture ; la carte de circuit imprimé est logée de manière étanche aux liquides dans le contenant étanche par scellement de l'ouverture ; et le scellement est obtenu par soudage thermique ou par liaison à l'aide d'un matériau de liaison.
PCT/JP2014/068686 2013-08-30 2014-07-14 Bloc de batteries WO2015029619A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015534074A JP6443936B2 (ja) 2013-08-30 2014-07-14 電池パック

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013179323 2013-08-30
JP2013-179323 2013-08-30

Publications (1)

Publication Number Publication Date
WO2015029619A1 true WO2015029619A1 (fr) 2015-03-05

Family

ID=52586194

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/068686 WO2015029619A1 (fr) 2013-08-30 2014-07-14 Bloc de batteries

Country Status (2)

Country Link
JP (1) JP6443936B2 (fr)
WO (1) WO2015029619A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150311568A1 (en) * 2014-04-23 2015-10-29 Samsung Sdi Co., Ltd. Battery pack
WO2017104025A1 (fr) * 2015-12-16 2017-06-22 エリーパワー株式会社 Dispositif de stockage d'électricité
WO2017104109A1 (fr) * 2015-12-17 2017-06-22 三洋電機株式会社 Bloc de batteries et procédé de production de bloc de batteries
KR20170116408A (ko) * 2016-04-11 2017-10-19 엘지전자 주식회사 배터리 수납장치 및 제조 방법
KR20170116404A (ko) * 2016-04-11 2017-10-19 엘지전자 주식회사 배터리 수납장치
KR101844014B1 (ko) * 2016-04-11 2018-04-02 엘지전자 주식회사 배터리 수납장치
JP2018202970A (ja) * 2017-06-01 2018-12-27 株式会社クボタ 作業車
JP2019029086A (ja) * 2017-07-26 2019-02-21 三洋電機株式会社 電池パック
WO2019045369A1 (fr) * 2017-08-29 2019-03-07 주식회사 엘지화학 Bloc-batterie ayant une fonction d'étanchéité à l'eau et son procédé de fabrication
CN110785872A (zh) * 2017-06-21 2020-02-11 远景Aesc能源元器件有限公司 电池组
EP3605647A4 (fr) * 2017-11-16 2020-07-01 LG Chem, Ltd. Module de batterie comprenant un boîtier équipé d'un connecteur
JP2020193775A (ja) * 2019-05-29 2020-12-03 株式会社パロマ 加熱調理器
USD922938S1 (en) 2018-05-21 2021-06-22 Techtronic Floor Care Technology Limited Battery

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113097626B (zh) * 2021-03-30 2023-07-21 东莞新能安科技有限公司 电池包、储能系统及用电设备
CN113363614B (zh) * 2021-06-10 2023-02-24 东莞新能安科技有限公司 一种电池包及用电设备

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JP2003142053A (ja) * 2001-11-06 2003-05-16 Gs-Melcotec Co Ltd 電 池
JP2007157358A (ja) * 2005-11-30 2007-06-21 Sanyo Electric Co Ltd パック電池
JP2007317578A (ja) * 2006-05-27 2007-12-06 Sanyo Electric Co Ltd パック電池
JP2007317579A (ja) * 2006-05-27 2007-12-06 Sanyo Electric Co Ltd パック電池
JP2008066000A (ja) * 2006-09-04 2008-03-21 Sanyo Electric Co Ltd パック電池
JP2010277795A (ja) * 2009-05-27 2010-12-09 Sanyo Electric Co Ltd パック電池
JP2012169105A (ja) * 2011-02-14 2012-09-06 Makita Corp 電動工具用バッテリ

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Publication number Priority date Publication date Assignee Title
JP2003142053A (ja) * 2001-11-06 2003-05-16 Gs-Melcotec Co Ltd 電 池
JP2007157358A (ja) * 2005-11-30 2007-06-21 Sanyo Electric Co Ltd パック電池
JP2007317578A (ja) * 2006-05-27 2007-12-06 Sanyo Electric Co Ltd パック電池
JP2007317579A (ja) * 2006-05-27 2007-12-06 Sanyo Electric Co Ltd パック電池
JP2008066000A (ja) * 2006-09-04 2008-03-21 Sanyo Electric Co Ltd パック電池
JP2010277795A (ja) * 2009-05-27 2010-12-09 Sanyo Electric Co Ltd パック電池
JP2012169105A (ja) * 2011-02-14 2012-09-06 Makita Corp 電動工具用バッテリ

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150311568A1 (en) * 2014-04-23 2015-10-29 Samsung Sdi Co., Ltd. Battery pack
JPWO2017104025A1 (ja) * 2015-12-16 2018-10-11 エリーパワー株式会社 蓄電装置
WO2017104025A1 (fr) * 2015-12-16 2017-06-22 エリーパワー株式会社 Dispositif de stockage d'électricité
CN108370001B (zh) * 2015-12-16 2021-06-29 艾利电力能源有限公司 电池
US10873063B2 (en) 2015-12-16 2020-12-22 ELIIY Power Co., Ltd Battery
CN108370001A (zh) * 2015-12-16 2018-08-03 艾利电力能源有限公司 蓄电装置
WO2017104109A1 (fr) * 2015-12-17 2017-06-22 三洋電機株式会社 Bloc de batteries et procédé de production de bloc de batteries
CN108292721A (zh) * 2015-12-17 2018-07-17 三洋电机株式会社 电池组以及电池组的制造方法
JPWO2017104109A1 (ja) * 2015-12-17 2018-10-04 三洋電機株式会社 電池パック及び電池パックの製造方法
KR20170116404A (ko) * 2016-04-11 2017-10-19 엘지전자 주식회사 배터리 수납장치
KR102485753B1 (ko) * 2016-04-11 2023-01-09 엘지전자 주식회사 배터리 수납장치 및 제조 방법
KR102485751B1 (ko) * 2016-04-11 2023-01-09 엘지전자 주식회사 배터리 수납장치
KR101844014B1 (ko) * 2016-04-11 2018-04-02 엘지전자 주식회사 배터리 수납장치
KR20170116408A (ko) * 2016-04-11 2017-10-19 엘지전자 주식회사 배터리 수납장치 및 제조 방법
JP2018202970A (ja) * 2017-06-01 2018-12-27 株式会社クボタ 作業車
CN110785872A (zh) * 2017-06-21 2020-02-11 远景Aesc能源元器件有限公司 电池组
JP2019029086A (ja) * 2017-07-26 2019-02-21 三洋電機株式会社 電池パック
JP7084115B2 (ja) 2017-07-26 2022-06-14 三洋電機株式会社 電池パック
CN110235275A (zh) * 2017-08-29 2019-09-13 株式会社Lg化学 具有防水功能的电池组及其制造方法
KR102307299B1 (ko) * 2017-08-29 2021-09-30 주식회사 엘지화학 방수 기능의 배터리 팩 및 이의 제조 방법
CN110235275B (zh) * 2017-08-29 2022-03-08 株式会社Lg化学 具有防水功能的电池组及其制造方法
US11469472B2 (en) 2017-08-29 2022-10-11 Lg Energy Solution, Ltd. Battery pack having waterproof function and manufacturing method therefor
KR20190023582A (ko) * 2017-08-29 2019-03-08 주식회사 엘지화학 방수 기능의 배터리 팩 및 이의 제조 방법
WO2019045369A1 (fr) * 2017-08-29 2019-03-07 주식회사 엘지화학 Bloc-batterie ayant une fonction d'étanchéité à l'eau et son procédé de fabrication
US11211659B2 (en) 2017-11-16 2021-12-28 Lg Chem, Ltd. Battery module comprising housing with connector
EP3605647A4 (fr) * 2017-11-16 2020-07-01 LG Chem, Ltd. Module de batterie comprenant un boîtier équipé d'un connecteur
USD922938S1 (en) 2018-05-21 2021-06-22 Techtronic Floor Care Technology Limited Battery
USD973017S1 (en) 2018-05-21 2022-12-20 Techtronic Floor Care Technology Limited Battery
JP2020193775A (ja) * 2019-05-29 2020-12-03 株式会社パロマ 加熱調理器
JP7250326B2 (ja) 2019-05-29 2023-04-03 株式会社パロマ 加熱調理器

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Publication number Publication date
JP6443936B2 (ja) 2018-12-26
JPWO2015029619A1 (ja) 2017-03-02

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