WO2015030541A1 - 이차전지의 전극탭 용접방법 및 이를 이용하여 제조된 전극조립체 - Google Patents
이차전지의 전극탭 용접방법 및 이를 이용하여 제조된 전극조립체 Download PDFInfo
- Publication number
- WO2015030541A1 WO2015030541A1 PCT/KR2014/008125 KR2014008125W WO2015030541A1 WO 2015030541 A1 WO2015030541 A1 WO 2015030541A1 KR 2014008125 W KR2014008125 W KR 2014008125W WO 2015030541 A1 WO2015030541 A1 WO 2015030541A1
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- WO
- WIPO (PCT)
- Prior art keywords
- welding
- electrode tab
- electrode
- tab
- lead
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
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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
- H01M50/531—Electrode connections inside a battery casing
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- 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
- H01M50/543—Terminals
-
- 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
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a method for welding electrode tabs of a secondary battery that can improve insulation defects generated during welding between electrode tabs and lead portions of a secondary battery, and to an electrode assembly manufactured using the same.
- secondary batteries are rechargeable batteries that can be miniaturized and large in capacity, and typically lithium (Li) secondary batteries are used.
- the secondary battery is a rechargeable and environmentally friendly energy source, there are continuous problems regarding the stability of the secondary battery.
- the secondary battery when a secondary battery is exposed to high temperature or a large current flows within a short time due to an external short circuit, the secondary battery may be heated by IR heating, thereby causing dangerous conditions such as heat generation, fire, and explosion. Need to improve.
- an electrode assembly 2 in which a positive electrode plate, a separator, and a negative electrode plate are alternately stacked inside the battery case 1 is embedded.
- the positive electrode plate is made of aluminum or aluminum alloy
- the negative electrode plate is made of copper or the like.
- an electrode tab 3 for connecting to the lead part 4 is protruded to one side of the electrode assembly 2 in each of the electrode plates.
- the lead portion 4 has a function of connecting each pole plate with an external terminal.
- the lead portion 4 and the electrode tab 3 are mainly connected by welding, and a welding portion W is formed during the welding operation.
- An object of the present invention is to provide a welding method that can significantly reduce the insulation failure rate by preventing the scattering of metal particles caused by welding when connecting the electrode tab and the lead portion by welding, and an electrode assembly manufactured using the same. have.
- the main welding step may include forming a welding part in a portion of the electrode tab and the lead portion overlapping each other, and forming a beauty contact section between the welding part and the lead film.
- the electrode tab welding method may further include a fusible welding step of performing welding for connection between the electrode tabs in which a plurality of the electrode tabs are stacked before the main welding step.
- the electrode tab welding method according to another embodiment of the present invention may further include a tab cutting step of cutting the non-welded end of the electrode tab after the temporary welding step.
- the main welding step may be performed using a welding guide member that can specify the position of the cosmetic contact.
- the electrode plate may be a negative electrode plate.
- the electrode plate may be a positive electrode plate.
- An electrode assembly includes an electrode tab protruding from an electrode plate provided in a battery, electrically connecting the electrode tab with an external terminal, and having a lead film on a surface thereof, the electrode tab being overlapped with a portion of the electrode tab. It may include a lead portion, a welded portion formed in a portion of the overlapping electrode tab and the lead portion, and a cosmetic contact section formed between the welded portion and the lead film.
- the electrode plate may be a negative electrode plate.
- the electrode plate may be a positive electrode plate.
- the metal particles generated in the welding process by forming a cosmetic contact section to maintain a constant distance between the welding portion and the lead film electrically connecting the electrode tab and the lead portion.
- the electrode tab welding method of the secondary battery according to an embodiment of the present invention also has the advantage of producing a secondary battery having a constant insulation effect by performing the main welding step using a welding guide member.
- FIG. 1 is a view illustrating a connection structure of an electrode tab 3 and a lead unit 4 in a general secondary battery.
- FIG. 2 is a flowchart illustrating a method of welding an electrode tab capable of reducing an insulation failure rate of a secondary battery according to one embodiment of the present invention.
- FIG 3 is a view illustrating a schematic structure of an electrode tab and a battery cell before performing a welding operation.
- FIG. 4 is a view showing a state in which tack welding is performed on the electrode tab shown in FIG.
- FIG. 5 is a diagram illustrating a state in which an end portion of the welded portion shown in FIG. 4 is cut.
- FIG. 6 is a view illustrating a state in which the cut electrode tab and the lead unit illustrated in FIG. 5 are connected.
- FIG. 7 is a view illustrating a structure in which an electrode tab and a lead unit illustrated in FIG. 6 are connected.
- FIG. 8 is a view schematically showing a state of performing a main welding step according to an embodiment of the present invention.
- FIG. 9 is a photograph showing a welding result in which no cosmetic contact section is formed between the electrode tab and the lead part.
- FIG. 10 is a photograph showing a welding result in which a cosmetic contact section is formed between an electrode tab and a lead part according to an exemplary embodiment of the present invention.
- 11 is a graph showing the insulation failure rate according to whether the cosmetic contact section is formed.
- FIG. 12 is a view schematically showing a state of performing welding using a welding guide member when performing the main welding step of the present invention.
- an electrode tab welding method capable of reducing an insulation failure rate of a secondary battery includes a tack welding step (S100), a tap cutting step (S200), and a main welding step ( S300).
- FIG. 3 to 7 schematically illustrate the structures of the battery cell 10 and the electrode tab 100 that are changed by performing the welding method according to the present invention. Only one electrode tab 100 is shown for conceptual description. It was.
- the electrode tab 100 before welding is connected to protrude upward on the battery cell 10 in a state in which a plurality of electrode plates are stacked as shown in FIG. 3.
- the temporary welding step S100 is performed in this state, the temporary welding part 101 is formed on the electrode tab 100 as shown in FIG. 4.
- the tack welding step (S100) is for performing the connection between the plurality of stacked electrode tabs 100, and is made through resistance welding.
- Resistance welding generates heat by the internal electric resistance to the current flowing in the conductor, and a contact resistance generated in the contact surface between metals or dissimilar metals by flowing a large current in a state where pressure is applied through the electrode 400. Heat is obtained by the resistivity of the metal and the metal is bonded by the pressure applied while the metal is heated or melted.
- the electrode tabs 100 are melted and coupled to each other by pressurizing, and in this process, the welding part The nugget N recessed inward is formed on the 101.
- This welding step (S100) can be performed after collecting a plurality of electrode tabs 100 in one bundle so that the tab cutting step (S200), which is a subsequent process, can be easily performed, and through such welding step (S100) There is an effect of reducing the number of welding strokes in the main welding step (S300).
- the tap cutting step S200 is performed after the available welding step S100.
- Tab cutting step (S200) is a step of cutting and removing the non-welded end in the tack welding step (S100), by cutting between the both ends of the boundary of the tack weld 101 is available at the cut end of the tack weld 101 The non-welded portion is left so that the unwelded portion can be reliably separated and removed (see FIG. 5). Accordingly, the end of the tack-welded portion 101 in which the tab cutting step S200 is performed forms a welded end.
- the main welding step (S300) is performed after the available welding step (S100).
- the main welding step (S300) is a step of electrically connecting the electrode tab 100 and the lead unit 200.
- the lead unit 200 has a function of electrically connecting the electrode tab 100 and an external terminal, and a lead film 201 is attached to the lead unit 200.
- the lead film 201 functions as an adhesive member between the battery case (not shown) and the lead unit 200 when the lead unit 100 is sealed, and has a function of preventing the battery case from being damaged by the lead unit 100. .
- the lead part 200 having such a structure stacks the electrode tab 100 and each end of the lead part 200 so as to be in contact with each other, and then pairs the electrodes 400 with the electrodes.
- the upper surface of the tab 100 is brought into contact with the lower surface of the lid part 200 and then pressurized.
- metal particles used as a base material of the electrode tab 100 such as copper, are scattered from the nugget N, and the scattered particles are separated from the welding part W to move to the lead film 201.
- the metal particles remaining at the end of the electrode tab 100 in the tab cutting step (S200) is also actively floating in the main welding step (S300).
- the electrode tab welding method that can reduce the insulation failure rate of the secondary battery of the present invention by forming a cosmetic contact section (A) in the portion where the electrode tab 100 and the lead portion 200 is connected in the main welding step (S300) It is possible to prevent the scattered metal particles from moving to the lead film 201.
- FIG. 9 illustrates a case in which the electrode tab 100 is welded to an end portion (that is, no cosmetic contact section is formed) in the main welding step (S300), and FIG. 10 illustrates the electrode tab 100. It shows the case of performing the main welding while forming a beauty contact section (A) at the end.
- FIG. 11 is a graph showing the insulation failure rate according to whether the cosmetic contact section (A) is formed during the main welding step (S300).
- the horizontal axis means insulation failure test object (sample), and the vertical axis means insulation failure rate.
- the illustrated D06 to D20 samples on the abscissa axis do not form the cosmetic contact section A, and the insulation defect rate flows in a relatively wide range from 0.15 to 0.8 (%), while forming the cosmetic contact section A.
- the samples E07 to E14 it can be seen that not only the insulation failure rate was significantly reduced but also the variation in insulation failure rate was not large.
- the main welding step (S300) using a welding guide member 300 that can measure the length of the cosmetic contact section (A) as shown in Figure 12 in order to specify the exact position of the cosmetic contact section (A). ) Can be performed.
- the welding guide member 300 may include a guide plate 310, a guide rail bar 320, and a connection member 330.
- the guide plate 310 has a rod shape having a predetermined length and has a function of guiding the position of the cosmetic contact section A on the electrode tab 100 and may move up and down on the guide rail bar 320 in which the slit groove is formed.
- the guide rail bar 320 may be connected to the battery cell 10 through the connection member 330.
- the operator places the guide plate 310 at a certain distance from the electrode tab 100 at the time of performing the main welding step (S300), and performs welding only up to that point to uniformly maintain the beauty contact section (A).
- the scattering of a metal particle can be prevented efficiently. That is, by forming the cosmetic contact section (A), it is possible to prevent foreign matter such as metal from scattering and moving to the lead film 201, while the cosmetic contact section (A) is formed in such an excessively wide electrode rather
- the electrical connection between the tab 100 and the lead part 200 may be reduced, and the scattering of foreign matter and the electrical connection between the electrode tab 100 and the lead part 200 may be prevented by using the welding guide member 300. Achieved in a balanced way.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (9)
- 전지에 구비된 전극판으로부터 돌출 형성된 전극탭과 상기 전극탭을 외부단자와 전기적으로 연결하며 표면에 리드필름을 구비한 리드부를 연결하는 메인용접단계를 포함하고,상기 메인용접단계에서,상기 전극탭과 상기 리드부가 중첩되는 일부구간에 용접부를 형성시키되, 상기 용접부와 상기 리드필름 사이에 미용접구간이 형성되도록 하는 전극탭 용접방법.
- 제1항에 있어서,상기 메인용접단계 전에는다수 개가 적층되어 있는 상기 전극탭 간의 연결을 위해 용접을 수행하는 가용접단계를 더 포함하는 전극탭 용접방법.
- 제2항에 있어서,상기 가용접단계 이후에는 상기 전극탭에 가용접되지 않은 단부를 절단하는 탭커팅단계를 더 포함하는 전극탭 용접방법.
- 제1항에 있어서,상기 메인용접단계는,상기 미용접구간의 위치를 측정할 수 있는 용접가이드부재를 이용하여 수행하는 전극탭 용접방법.
- 제1항에 있어서,상기 전극판은 음극판인 전극탭 용접방법.
- 제1항에 있어서,상기 전극판은 양극판인 전극탭 용접방법.
- 전지에 구비된 전극판으로부터 돌출 형성된 전극탭,상기 전극탭을 외부단자와 전기적으로 연결하고 표면에 리드필름을 구비하며 상기 전극탭과 일부 구간에서 중첩된 리드부,상기 전극탭과 상기 리드부가 중첩된 일부 구간에 형성된 용접부, 및상기 용접부와 상기 리드필름 사이에 형성된 미용접구간을 포함하는 전극조립체.
- 제7항에 있어서,상기 전극판은 음극판인 전극조립체.
- 제7항에 있어서,상기 전극판은 양극판인 전극조립체.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14839968.6A EP3029758B1 (en) | 2013-09-02 | 2014-09-01 | Method for welding electrode tab of secondary battery |
PL14839968T PL3029758T3 (pl) | 2013-09-02 | 2014-09-01 | Sposób zgrzewania zacisku elektrody baterii akumulatorowej |
US14/903,916 US10434595B2 (en) | 2013-09-02 | 2014-09-01 | Method for welding electrode tab of secondary battery and electrode assembly manufactured using same |
JP2016536047A JP6205057B2 (ja) | 2013-09-02 | 2014-09-01 | 二次電池の電極タップ溶接方法及びこれを用いて製造された電極組立体 |
CN201480044037.2A CN105723544B (zh) | 2013-09-02 | 2014-09-01 | 焊接二次电池的电极突片的方法以及使用该方法制造的电极组件 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20130104779 | 2013-09-02 | ||
KR10-2013-0104779 | 2013-09-02 | ||
KR10-2014-0058325 | 2014-05-15 | ||
KR1020140058325A KR101610680B1 (ko) | 2013-09-02 | 2014-05-15 | 이차전지의 전극탭 용접방법 및 이를 이용하여 제조된 전극조립체 |
Publications (1)
Publication Number | Publication Date |
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WO2015030541A1 true WO2015030541A1 (ko) | 2015-03-05 |
Family
ID=53022616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2014/008125 WO2015030541A1 (ko) | 2013-09-02 | 2014-09-01 | 이차전지의 전극탭 용접방법 및 이를 이용하여 제조된 전극조립체 |
Country Status (8)
Country | Link |
---|---|
US (1) | US10434595B2 (ko) |
EP (1) | EP3029758B1 (ko) |
JP (1) | JP6205057B2 (ko) |
KR (1) | KR101610680B1 (ko) |
CN (1) | CN105723544B (ko) |
PL (1) | PL3029758T3 (ko) |
TW (1) | TWI573648B (ko) |
WO (1) | WO2015030541A1 (ko) |
Cited By (5)
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CN105965143A (zh) * | 2016-07-07 | 2016-09-28 | 无锡市宝来电池有限公司 | 一种电池极耳的电阻焊接装置 |
CN106001883A (zh) * | 2016-07-07 | 2016-10-12 | 无锡市宝来电池有限公司 | 一种电池极耳电阻焊接装置 |
WO2016207154A1 (fr) | 2015-06-22 | 2016-12-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation d'un faisceau electrochimique d'accumulateur metal-ion avec pliage ou enroulement des extremites de feuillard sur elles-memes |
WO2016207151A1 (fr) | 2015-06-22 | 2016-12-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation d'un faisceau electrochimique d'accumulateur metal-ion avec mousse metallique aux extremites de feuillards |
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JP7103853B2 (ja) * | 2018-06-01 | 2022-07-20 | プライムアースEvエナジー株式会社 | 積層型極板群、二次電池、及び二次電池の製造方法 |
CN111785903A (zh) * | 2020-07-15 | 2020-10-16 | 中航锂电(洛阳)有限公司 | 电池及电池制造方法 |
EP4231417A1 (en) * | 2021-08-11 | 2023-08-23 | LG Energy Solution, Ltd. | Multi-layer conductive tape, secondary battery including same, and manufacturing method therefor |
KR20240007377A (ko) | 2022-07-08 | 2024-01-16 | 주식회사 엠플러스 | 이차전지 제조용 포밍 라인의 파우치 보정 시스템 |
KR20240007376A (ko) | 2022-07-08 | 2024-01-16 | 주식회사 엠플러스 | 이차전지 탭웰딩 조립기용 씨피 자동 보정 시스템 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001266820A (ja) * | 2000-03-24 | 2001-09-28 | Sanyo Electric Co Ltd | 電池パック |
KR20060027249A (ko) * | 2004-09-22 | 2006-03-27 | 삼성에스디아이 주식회사 | 리튬 이차전지의 접속리드 용접장치 |
US20110039131A1 (en) * | 2009-08-14 | 2011-02-17 | Samsung Sdi Co., Ltd. | Secondary battery and method of manufacturing the same |
KR20110049864A (ko) * | 2009-02-05 | 2011-05-12 | 파나소닉 주식회사 | 이차전지 및 이차전지를 구비한 전지 팩, 그리고 이차전지의 제조방법 |
KR20130012812A (ko) * | 2011-07-26 | 2013-02-05 | 에이치엘그린파워 주식회사 | 이차전지의 터미널리드와 버스바의 연결 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4321455A (en) * | 1978-10-25 | 1982-03-23 | General Electric Company | Method for welding battery terminal connectors to electrode grid tabs |
JP4237286B2 (ja) | 1998-02-18 | 2009-03-11 | パナソニック株式会社 | ラミネートシートを外装ケースとする電池 |
JP2002075324A (ja) * | 2000-09-04 | 2002-03-15 | Mitsubishi Chemicals Corp | 電 池 |
JP2002198031A (ja) * | 2000-12-25 | 2002-07-12 | Yuasa Corp | 鉛蓄電池の製造方法 |
US6849358B2 (en) * | 2001-04-06 | 2005-02-01 | Ngk Spark Plug Co., Ltd. | Lithium ion battery |
US6844109B2 (en) * | 2001-12-18 | 2005-01-18 | Ngk Spark Plug Co., Ltd. | Li-ion and/or Li-ion polymer battery with edge protectors |
KR100483994B1 (ko) | 2002-06-12 | 2005-04-18 | 주식회사 이글피쳐코캄 | 리튬 2차 전지용 크루드 셀의 전극탭 처리 방법 및 그에따른 크루드 셀 및 이를 채용한 리튬 2차 전지 |
JP5110832B2 (ja) * | 2006-08-31 | 2012-12-26 | Fdk株式会社 | 蓄電素子の製造方法 |
US8416227B2 (en) * | 2008-03-03 | 2013-04-09 | Sharp Kabushiki Kaisha | Display device having optical sensors |
JP2010016043A (ja) * | 2008-07-01 | 2010-01-21 | Fdk Corp | 蓄電デバイス |
JP5474466B2 (ja) * | 2009-09-18 | 2014-04-16 | 三洋電機株式会社 | 積層式電池 |
KR101314972B1 (ko) * | 2011-06-17 | 2013-10-04 | 삼성에스디아이 주식회사 | 이차 전지 |
CN102306735A (zh) * | 2011-09-06 | 2012-01-04 | 深圳市格瑞普电池有限公司 | 锂离子电芯以及极耳 |
WO2013105361A1 (ja) | 2012-01-12 | 2013-07-18 | 日立マクセル株式会社 | 超音波溶接用チップ、超音波溶接機、及び電池の製造方法 |
TWM457596U (zh) | 2013-01-22 | 2013-07-21 | Kae Lii Machine Mfg Co Ltd | 電極板點焊及檢測設備 |
TWM461152U (zh) | 2013-05-13 | 2013-09-01 | Win Win Prec Technology Co Ltd | 太陽能電池模組 |
-
2014
- 2014-05-15 KR KR1020140058325A patent/KR101610680B1/ko active IP Right Grant
- 2014-09-01 CN CN201480044037.2A patent/CN105723544B/zh active Active
- 2014-09-01 PL PL14839968T patent/PL3029758T3/pl unknown
- 2014-09-01 US US14/903,916 patent/US10434595B2/en active Active
- 2014-09-01 EP EP14839968.6A patent/EP3029758B1/en active Active
- 2014-09-01 TW TW103130103A patent/TWI573648B/zh active
- 2014-09-01 WO PCT/KR2014/008125 patent/WO2015030541A1/ko active Application Filing
- 2014-09-01 JP JP2016536047A patent/JP6205057B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001266820A (ja) * | 2000-03-24 | 2001-09-28 | Sanyo Electric Co Ltd | 電池パック |
KR20060027249A (ko) * | 2004-09-22 | 2006-03-27 | 삼성에스디아이 주식회사 | 리튬 이차전지의 접속리드 용접장치 |
KR20110049864A (ko) * | 2009-02-05 | 2011-05-12 | 파나소닉 주식회사 | 이차전지 및 이차전지를 구비한 전지 팩, 그리고 이차전지의 제조방법 |
US20110039131A1 (en) * | 2009-08-14 | 2011-02-17 | Samsung Sdi Co., Ltd. | Secondary battery and method of manufacturing the same |
KR20130012812A (ko) * | 2011-07-26 | 2013-02-05 | 에이치엘그린파워 주식회사 | 이차전지의 터미널리드와 버스바의 연결 방법 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3029758A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016207154A1 (fr) | 2015-06-22 | 2016-12-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation d'un faisceau electrochimique d'accumulateur metal-ion avec pliage ou enroulement des extremites de feuillard sur elles-memes |
WO2016207151A1 (fr) | 2015-06-22 | 2016-12-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation d'un faisceau electrochimique d'accumulateur metal-ion avec mousse metallique aux extremites de feuillards |
US10516150B2 (en) | 2015-06-22 | 2019-12-24 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Method for producing an electrochemical bundle for a metal-ion accumulator comprising folding or coiling the foil ends around themselves |
CN105965143A (zh) * | 2016-07-07 | 2016-09-28 | 无锡市宝来电池有限公司 | 一种电池极耳的电阻焊接装置 |
CN106001883A (zh) * | 2016-07-07 | 2016-10-12 | 无锡市宝来电池有限公司 | 一种电池极耳电阻焊接装置 |
CN114551611A (zh) * | 2022-03-11 | 2022-05-27 | 浙江爱旭太阳能科技有限公司 | 一种太阳能电池的栅线结构、组件及发电系统 |
Also Published As
Publication number | Publication date |
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TW201529212A (zh) | 2015-08-01 |
PL3029758T3 (pl) | 2021-10-18 |
JP6205057B2 (ja) | 2017-09-27 |
KR101610680B1 (ko) | 2016-04-20 |
EP3029758A4 (en) | 2016-08-03 |
US10434595B2 (en) | 2019-10-08 |
EP3029758B1 (en) | 2021-03-17 |
CN105723544B (zh) | 2018-07-20 |
EP3029758A1 (en) | 2016-06-08 |
US20160175979A1 (en) | 2016-06-23 |
KR20150026768A (ko) | 2015-03-11 |
CN105723544A (zh) | 2016-06-29 |
TWI573648B (zh) | 2017-03-11 |
JP2016531405A (ja) | 2016-10-06 |
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