WO1999018622A1 - Non-aqueous electrolyte secondary cell - Google Patents
Non-aqueous electrolyte secondary cell Download PDFInfo
- Publication number
- WO1999018622A1 WO1999018622A1 PCT/JP1998/004509 JP9804509W WO9918622A1 WO 1999018622 A1 WO1999018622 A1 WO 1999018622A1 JP 9804509 W JP9804509 W JP 9804509W WO 9918622 A1 WO9918622 A1 WO 9918622A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- aqueous electrolyte
- negative electrode
- positive
- plate
- Prior art date
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Classifications
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
-
- 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
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides 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
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button 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
- H01M50/562—Terminals characterised by the material
-
- 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
- H01M50/567—Terminals characterised by their manufacturing process by fixing means, e.g. screws, rivets or bolts
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
-
- 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 structure of a non-aqueous electrolyte secondary battery, particularly, a portion of a current collecting terminal for making an electrical connection to the outside and a portion for making an electrical connection to a lead plate of an electrode plate.
- lithium secondary batteries which are currently the mainstream, use lithium transition metal composite oxides such as lithium cobalt oxide, lithium nickel oxide, and lithium manganate for the positive electrode, and can store and release lithium ions in the negative electrode
- a non-aqueous electrolyte is used as the electrolyte. Since the potential of the lithium secondary battery is as high as 4 V or higher, A1 with high voltage resistance and high corrosion resistance is generally used as the material of the core material of the positive electrode and the structural material such as the sealing plate. ing.
- CU which is a material having excellent electric conductivity, is generally used.
- the strip-shaped positive electrode plate and the negative electrode plate are connected to each other by welding a lead plate to a central portion or one end of the end portion.
- These electrode plates are laminated and wound via a separator to form an electrode plate group, and the lead plate is shown in FIG. As described above, it is electrically connected to the current collecting terminal by welding, etc., and the current is extracted through the lead plate.
- connecting parts such as cables may be attached using the current collection terminal formed with the port.
- A1 is used for the current collecting terminal, strength defects such as breakage of the port when the nut is tightened and distortion of the connecting portion due to compression of the seat may occur.
- A1 is also susceptible to oxidation, which causes an increase in electrical resistance and a consequent decrease in electrical conductivity.
- plating such as Ni to prevent oxidation.
- the portion with the port portion is made of stainless steel, etc., which has higher tensile strength than A1, and the other portions are made of A1, and they are fastened to each other with screws to prevent them from turning. There is a way.
- the present invention can solve the above-mentioned problems, and the object of the present invention is that even if the port is tightened with an excessive torque value, the port may be easily broken or the seat may be distorted.
- the characteristics of A1 which are excellent in high voltage resistance and corrosion resistance, are to provide a current collector terminal for non-aqueous electrolyte batteries with a highly reliable port terminal that can be used as it is.
- the volume that the electrode can occupy in the battery case is limited, so the longer the electrode is, the thinner the electrode is, and the current density per unit area of the electrode is reduced. Because of the increased area, the distance to the lead plate However, the effect of increasing the electrode area cannot be fully utilized.
- two or more lead plates are attached to the same electrode plate to form a group, and these lead plates are taken out in parallel in the same direction and connected to the current collecting terminal. There is a way to do that.
- the lead plate may be cut due to vibration or the like.
- the present invention solves these problems, and particularly provides a non-aqueous electrolyte secondary battery having high vibration resistance that does not cause a failure in a connection portion such as breakage of a lead plate due to vibration or impact in a large battery. It is. Disclosure of the invention
- the present invention provides a method according to the present invention, wherein a part forming an external terminal and a part connecting a lead plate derived from an electrode plate group are made of different metals, and these metals are connected by solid-phase bonding or vacuum. It is integrated by brazing.
- a plurality of lead plates taken out are fixed with screws or rivets, and screws or rivets are arranged on the current collecting terminals electrically connected to the lead plates by welding, etc., and the lead plates are fixed.
- At least one of the positive electrode and the negative electrode has a portion forming an external terminal protruding outside the battery case and a lead derived from the electrode plate group in the battery case.
- the two parts are made of dissimilar metals, and the interface between the dissimilar metals is stabilized at the electrode potential by being integrated by solid-state bonding or vacuum brazing.
- a current collecting terminal having low electric resistance and strength when processed can be obtained.
- the method of solid-state welding is preferably one of diffusion welding, explosive welding, and friction welding.
- the metal type of the part forming the external terminal is iron (Fe), nickel (Ni), stainless steel, or copper (Cu) because of its mechanical strength.
- the metal species at the part to which the lead plate is connected is preferably aluminum (A 1) because it is stable even at the high potential of the positive electrode.
- the strength of the normally used copper simple substance is secured as compared with the aluminum simple substance conventionally used for the positive electrode.
- the metal type of the terminal part is made of copper or more. Any of iron (F e), nickel (N i), and stainless steel having the above mechanical strength may be used, and the portion to which the lead plate is connected may be copper (C u).
- a plurality of lead plates taken out are fixed with screws or rivets, and a screw rivet is provided at a current collecting terminal portion electrically connected to the lead plate by welding or the like, and the lead plate is provided. Is fixed.
- FIG. 1 is a sectional view of the structure of the battery of the present invention.
- the following description is an example, and the present invention is not limited to this.
- a non-aqueous electrolyte secondary battery comprising a positive electrode plate 1, a negative electrode plate 2, a non-aqueous electrolyte composed of an organic electrolyte, a non-aqueous electrolyte 5.
- Negative electrode current collecting terminal 6 is made of one kind of metal, or a part of external terminal protruding outside battery case 4 is connected to a lead plate housed inside battery case 4. The part is composed of dissimilar metals, and the interface is joined by solid-state welding or vacuum brazing.
- the most commonly used joining methods for materials which are based on the formation of metallurgical bonds at joints, can be broadly divided into fusion joining, brazing, and solid-state joining. You. Among these, the fusion bonding method is the most widely used technology.
- solid-state joining and vacuum brazing are more suitable than fusion joining.
- a high energy density heat source such as electron beam or laser welding
- aluminum or copper will be used.
- Metallic materials with high electrical conductivity have very high reflectivity, and The heating efficiency is poor. Therefore, when high power is applied, the heat history of the material to be welded becomes extremely fast, which causes problems such as solidification cracking and is not suitable.
- One of the joining methods for dissimilar metals in the current collecting terminal of the present invention uses a solid-phase joining method. Under a temperature condition equal to or lower than the melting point of the base material to be joined, pressurization is performed to such an extent that the composition does not deform as much as possible. There is no danger of solidification cracking, etc., by joining using the diffusion of atoms generated between dissimilar metals at the joint.
- one of the dissimilar metal joining methods for the current collecting terminal of the present invention uses vacuum brazing among brazing.
- Vacuum brazing does not cause oxidation, carburization, or decarburization of the base material, and the stainless steel is made of stainless steel. It is a great advantage to heat highly oxidizable metals such as steel and aluminum (A 1) in vacuum. Also, since no flux is required, pre-processing and post-processing are not required, and a clean joint surface can be obtained.
- the metal type of the part that forms the external terminal of the positive electrode current collector terminal is iron (Fe), nickel (Ni), stainless steel or copper (Cu), and the metal of the part to which the lead plate is connected
- the seed is aluminum (A 1).
- the strength is relatively high.Therefore, form a port, etc., and tighten the nut with an excessive torque when connecting cables etc. Also, there is no breakage due to breakage of the port and compression of the seat.
- the negative electrode current collecting terminal of the present invention will be described.
- the metal type of the part forming the external terminal is iron (Fe), nickel (Ni) or stainless steel, and the part connected to the lead plate is copper (Cu). If the above-mentioned metal is used for the part of the current collecting terminal that forms the external terminal outside the battery, the strength is relatively high. In addition, there is no breakage due to breakage of the Porto part and compression of the seat part. In addition, when copper is used in a portion of the current collecting terminal that is connected to the lead plate inside the battery, characteristics having excellent electrical conductivity can be secured.
- FIG. 1 is a sectional view of the configuration of the present invention.
- a non-aqueous electrolyte secondary battery including a positive electrode plate 1, a negative electrode plate 2, a non-aqueous electrolyte made of an organic electrolyte, a non-aqueous electrolyte made of an organic electrolyte, and a battery case 4 for accommodating them.
- a plurality of positive electrodes are taken out from one end of the negative electrode plate 2, and a lead plate 7 made of aluminum is taken out from one end, and a lead plate 8 made of copper is taken out of the negative electrode.
- a plurality of lead plates 7, 8 taken out of the positive and negative electrodes in parallel in the same direction are fixed by screws or rivets.
- the aluminum positive electrode lead plate 7 and the portion of the positive electrode current collecting terminal 5 made of aluminum inside the battery are fixed with screws or rivets, and are electrically connected by ultrasonic welding.
- the copper negative electrode lead plate 8 and the portion of the negative electrode current collecting terminal 6 made of copper inside the battery are fixed with screws or rivets, and are electrically connected by ultrasonic welding.
- Ultrasonic welding imparts high-frequency vibrations to the parts to be joined, whereby metal atoms are diffused and recrystallized to form a joint, which does not reach high temperatures and forms a molten or brittle structure. There is no need to worry about solidification cracking. Also, the deformation of the weld is small. Since the joint area is larger than that of laser welding, it is superior when a large current is applied. In addition, maintenance can be performed easily and productivity is high.
- Fixing the lead plate and the current collecting terminal with a screw or rivet can improve workability and absorb the vibration of ultrasonic waves.
- a conduction path can be secured.
- FIG. 1 is a longitudinal sectional view of the nonaqueous electrolyte secondary battery of the present invention
- FIG. 2 is a longitudinal sectional view of a current collecting terminal of the nonaqueous electrolyte secondary battery of the present invention
- FIG. 3 is a nonaqueous electrolyte secondary battery of the present invention.
- Fig. 4 is a cross-sectional view showing a conventional current collecting terminal
- Fig. 5 is a cross-sectional view showing another example of a conventional current collecting terminal
- Fig. 6 is a cross-sectional view of a conventional battery.
- FIG. 7 is a perspective view showing a conventional electrode group.
- the positive current collector terminals were joined using the HIP method (hot isostatic pressing method).
- HIP method hot isostatic pressing method.
- the aluminum part 21 electrically connected to the lead plate inside the battery case and the stainless steel part 20 protruding outside the battery case and also serving as an external terminal are connected to each other by a surface roughness. Polished to 10 im or less, placed in a metal capsule, degassed, and sealed.
- the bonding surface is a vacuum state (1 0- 2 ⁇ 1 0- 1 P a higher) was subjected to vacuum degassing under heat charged to 3 0 0 whole capsule Le in an electric furnace.
- the capsules subjected to vacuum degassing are charged into the HIP method apparatus, and the temperature is raised to 110 T: and the pressure is simultaneously increased to 10 OPa in 4 hours. The temperature and pressure were reduced.
- the obtained positive electrode current collector terminal was subjected to machining such as forming a port portion on a stainless steel portion, and subjected to Ni plating. This positive terminal is referred to as terminal A. (Example 2)
- the rotating table was started to rotate at 100 rpm, the stationary table was moved to the rotating table, and material contact heating was started with a friction pressure of 49 MPa and a friction time of 3 seconds.
- terminal B This positive terminal is referred to as terminal B.
- the positive electrode current collector terminal shown in Fig. 2 was joined using the explosion pressure welding method.
- the obtained positive electrode current collecting terminal was machined into a predetermined shape, a port portion was formed on a stainless steel portion, and Ni plating was performed.
- This positive terminal is referred to as terminal C.
- the positive electrode current collector terminals shown in Fig. 2 were joined using a vacuum brazing method.
- the aluminum part 21 and the stainless steel part 20 were degreased with acetone, respectively, and fixed with a jig with magnesium (Mg) 'interposed as a brazing material on the joint surface. It is transported into a vacuum furnace and heated to 600 ° C at a vacuum of 100 to 5 Torr to evaporate magnesium, and the vapor pressure at this time destroys the oxide film on the joint surface. Good bonding.
- Mg magnesium
- the obtained positive electrode current collecting terminal was machined into a predetermined shape, a bolt portion was formed on a stainless steel portion, and Ni plating was performed. This positive terminal is referred to as terminal D. (Comparative Example 1)
- terminal E As shown in Fig. 4, the whole of 20 and 21 was made of aluminum (A1050), and a port was formed in the portion of 20 and machined into a predetermined shape to produce a positive electrode current collector terminal. This positive terminal is referred to as terminal E.
- a part 21 of the positive electrode current collector terminal where the lead plate of the positive electrode plate is electrically connected and accommodated in the battery case is made of aluminum (A1050) and machined into a predetermined shape.
- the parts that protrude outside the battery case and also serve as external terminals were made of stainless steel (SUS 316L), machined into a predetermined shape, and fixed together with screws to produce positive current collector terminals.
- This positive terminal is referred to as terminal F.
- the negative electrode current collector terminals were joined using the HIP method (hot isostatic pressing method).
- HIP method hot isostatic pressing method.
- a copper part 21 electrically connected to the lead plate inside the battery case and a stainless steel part 20 protruding outside the battery case and also serving as an external terminal were joined to a surface roughness of 10 / It was polished to less than m, placed in a metal capsule, degassed, and sealed.
- the bonding surface is a vacuum state (10- 2 ⁇ 10- 1 P a higher) was subjected to vacuum degassing under heating charged to 300 ° C in an electric furnace the entire capsule Le.
- the vacuum degassed capsule is charged into the HIP method equipment, and the temperature is raised to 1100 ° C and the pressure is simultaneously increased to 10 OPa in 4 hours, held for 4 hours, and then reduced in 4 hours. Processed.
- the obtained negative electrode current collecting terminal was subjected to mechanical processing such as forming a bolt portion on a stainless steel portion, and subjected to Ni plating. This negative terminal is referred to as terminal G.
- terminal H As shown in FIG. 4, the entirety of 20, 21 was made of copper, a bolt portion was formed in the portion of 20, and machined into a predetermined shape to produce a negative electrode current collecting terminal. This negative terminal is referred to as terminal H.
- Example 6 a battery having the cross-sectional structure shown in FIG. 1 was manufactured.
- the negative electrode was mainly made of graphite capable of absorbing and releasing lithium
- the positive electrode was made of lithium cobalt oxide as the active material.
- the negative electrode plate is prepared by mixing polyvinylidene fluoride powder with graphite at 5 Wt (weight)% based on the whole negative electrode, adding N-methyl-2-pyrrolidone to adjust the paste, and collecting the obtained paste into a copper collector. It was prepared by coating on an electric body and drying.
- acetylene black carbon powder was added to the positive electrode active material in an amount of 3 Wt% based on the positive electrode active material, and polyvinylidene fluoride powder was added in an amount of 5 Wt% to the positive electrode active material.
- N-methyl-2-pyrrolidone was added.
- the obtained paste was applied to an aluminum current collector and dried to produce a positive electrode plate.
- an aluminum lead plate was attached to one end of the positive electrode plate, and a copper lead plate was attached to the negative electrode plate by ultrasonic welding so that they could be taken out in parallel in the same direction.
- Positive and negative plates are stacked through a polyethylene resin separator and spirally wound around the core 16 to form a cylindrical electrode group with an outer diameter of (i) 58 mm and a length of 20 O mm Was prepared.
- the terminal A according to Example 1 was used as the positive electrode current collecting terminal, and the terminal G according to Example 5 was used as the negative electrode current collecting terminal.
- the positive electrode sealing plate was produced as follows. As shown in Fig. 3, a resin insulating gasket 9 is inserted into the positive current collector terminal 5, followed by a stainless steel cover plate 10, a resin insulating gasket 11, and a stainless steel washer 1 Insert 2. Next, a push nut 13 made of stainless steel is inserted and pressurized by a press machine to be fastened. The positive electrode current collecting terminal 5 and the cover plate 10 are insulated through a resin insulating gasket 9, and airtightness is secured by fastening the push nut 13. In this way, a positive electrode sealing plate 14 was produced.
- the negative electrode sealing plate 15 was prepared in the same manner as the positive electrode sealing plate 14 except that the negative electrode current collecting terminal 6 was used, the 18 had no liquid injection hole, and did not include the 19 closed lid.
- the fabricated electrode group was inserted into a stainless steel battery case 4 having an outer diameter of ⁇ 60 mm and a length of 250 mm, and a resin insulating plate 17 was inserted from one open end. Put on the electrode group. Next, the negative lead plate 8 is taken out from the hole previously formed in the resin insulating plate 17.
- the electrolytic solution is a solution prepared by dissolving 1 to 6 at 1 mol 71 in an equal volume solvent of ethylene glycol and getylcapone.
- the injection hole 18 was covered with a stainless steel injection hole sealing lid 19 and sealed by laser welding.
- the battery obtained in this manner was designated as battery a of the present invention.
- the battery obtained in the same manner as the battery a in Example 6 was used as a comparative battery b except that the lead taken out from the electrode group was not fixed with a rivet or the like, and the vicinity of the welding to the current collecting terminal was not fixed with a rivet or the like. .
- Table 1 shows that the terminals A to D and G of the example of the present invention and the terminals E, F and H of the comparative example were gradually applied with a tensile load in the axial direction.
- the airtightness of the dissimilar metal part was measured using a A comparison of resistance values at three points is shown.
- Table 2 shows the number of connection failures between the current collecting terminal and the lead after the drop test of the battery a of the example of the present invention and the battery b of the comparative example.
- the terminals A to D of the present invention use a stainless steel having a high strength in the port portion, so that the breaking failure when tightening the nut is small. Did not. im mu fcfc helium
- the terminals A to D in which dissimilar metals were joined according to the present invention had a very high hermeticity of the dissimilar metal joint and a low resistance value.
- the terminal G of the example of the present invention and the terminal H of the comparative example did not have such a large difference, but the terminal H of the comparative example was not so bad when tightened with a nut, but was slightly deformed. Was observed, but was not observed at all in the terminal G of the embodiment.
- the part forming the external terminal and the part connected to the lead plate derived from the electrode group are made of different metals, and these metals are used. Since solid parts are joined by solid-state joining or vacuum brazing, the use of strong metal for the external terminals makes it possible to tighten nuts with excessive torque, such as when connecting cables. Breakage failure can be prevented. In addition, the electrical conductivity of the joint surface between the metals can be improved by integrating them by a solid-phase joining method or a vacuum brazing method.
- connection failure can be reduced.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98945633A EP0964461B1 (en) | 1997-10-07 | 1998-10-06 | Non-aqueous electrolyte secondary cell |
CA002274483A CA2274483C (en) | 1997-10-07 | 1998-10-06 | Non-aqueous electrolyte secondary battery |
DE69837533T DE69837533T2 (de) | 1997-10-07 | 1998-10-06 | Sekundärzelle mit nichtwässigem elektrolyt |
US09/319,500 US6156452A (en) | 1997-10-07 | 1998-10-06 | Non-aqueous electrolyte secondary cell |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27411897 | 1997-10-07 | ||
JP9/274118 | 1997-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999018622A1 true WO1999018622A1 (en) | 1999-04-15 |
Family
ID=17537276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/004509 WO1999018622A1 (en) | 1997-10-07 | 1998-10-06 | Non-aqueous electrolyte secondary cell |
Country Status (7)
Country | Link |
---|---|
US (1) | US6156452A (ja) |
EP (1) | EP0964461B1 (ja) |
KR (1) | KR100314956B1 (ja) |
CN (1) | CN1121072C (ja) |
CA (1) | CA2274483C (ja) |
DE (1) | DE69837533T2 (ja) |
WO (1) | WO1999018622A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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US7781092B2 (en) | 2002-12-18 | 2010-08-24 | Samsung Sdi Co., Ltd. | Secondary battery and method of manufacturing same |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6844110B2 (en) * | 2000-05-24 | 2005-01-18 | Ngk Insulators, Ltd. | Lithium secondary cell and assembly thereof |
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JP4581323B2 (ja) * | 2002-11-25 | 2010-11-17 | 株式会社Gsユアサ | 電池及びその製造方法 |
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US20080076013A1 (en) * | 2006-07-26 | 2008-03-27 | Wu Donald P H | Conductive Structure for an Electrode Assembly of a Lithium Secondary Battery |
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TWI441937B (zh) | 2007-12-21 | 2014-06-21 | Infinite Power Solutions Inc | 形成用於電解質薄膜之濺鍍靶材的方法 |
US8268488B2 (en) * | 2007-12-21 | 2012-09-18 | Infinite Power Solutions, Inc. | Thin film electrolyte for thin film batteries |
US8518581B2 (en) | 2008-01-11 | 2013-08-27 | Inifinite Power Solutions, Inc. | Thin film encapsulation for thin film batteries and other devices |
CN101983469B (zh) | 2008-04-02 | 2014-06-04 | 无穷动力解决方案股份有限公司 | 与能量采集关联的储能装置的无源过电压/欠电压控制和保护 |
US8372537B2 (en) * | 2008-06-03 | 2013-02-12 | C&D Technologies, Inc. | Battery with a molded in-front terminal |
JP5171401B2 (ja) * | 2008-06-04 | 2013-03-27 | 日立ビークルエナジー株式会社 | リチウム二次電池 |
US8906523B2 (en) | 2008-08-11 | 2014-12-09 | Infinite Power Solutions, Inc. | Energy device with integral collector surface for electromagnetic energy harvesting and method thereof |
WO2010030743A1 (en) | 2008-09-12 | 2010-03-18 | Infinite Power Solutions, Inc. | Energy device with integral conductive surface for data communication via electromagnetic energy and method thereof |
US8508193B2 (en) | 2008-10-08 | 2013-08-13 | Infinite Power Solutions, Inc. | Environmentally-powered wireless sensor module |
KR20110082035A (ko) * | 2008-10-08 | 2011-07-15 | 인피니트 파워 솔루션스, 인크. | 발에 의해 동력 공급되는 신발 삽입형 센서-트랜시버 |
JP5684462B2 (ja) * | 2008-12-22 | 2015-03-11 | 昭和電工パッケージング株式会社 | 正極タブリード及び電池 |
US20100233527A1 (en) * | 2009-03-13 | 2010-09-16 | International Battery, Inc. | Battery terminal |
US8841017B2 (en) * | 2009-07-24 | 2014-09-23 | GM Global Technology Operations LLC | Cell tab and interconnect assembly for a battery pack |
US8599572B2 (en) | 2009-09-01 | 2013-12-03 | Infinite Power Solutions, Inc. | Printed circuit board with integrated thin film battery |
US8460818B2 (en) | 2009-10-05 | 2013-06-11 | Samsung Sdi Co., Ltd. | Battery module |
KR101084220B1 (ko) * | 2009-10-30 | 2011-11-17 | 에스비리모티브 주식회사 | 이차전지의 단자유닛 및 그 제조방법 |
KR101084221B1 (ko) * | 2009-10-30 | 2011-11-17 | 에스비리모티브 주식회사 | 이차 전지 |
DE102010008746A1 (de) * | 2010-02-20 | 2011-08-25 | Bayerische Motoren Werke Aktiengesellschaft, 80809 | Elektrochemische Speicherzelle |
JP5523164B2 (ja) * | 2010-03-29 | 2014-06-18 | 株式会社神戸製鋼所 | 電極端子、及び電極端子の製造方法 |
WO2011122453A1 (ja) * | 2010-03-29 | 2011-10-06 | 株式会社神戸製鋼所 | バスバー、及びバスバーの製造方法 |
US8673479B2 (en) * | 2010-03-30 | 2014-03-18 | Samsung Sdi Co., Ltd. | Secondary battery and a secondary battery module |
KR101135510B1 (ko) * | 2010-05-20 | 2012-04-13 | 에스비리모티브 주식회사 | 이차 전지 및 전지 모듈 |
CN102947976B (zh) | 2010-06-07 | 2018-03-16 | 萨普拉斯特研究有限责任公司 | 可充电、高密度的电化学设备 |
US9537135B2 (en) | 2010-07-21 | 2017-01-03 | Samsung Sdi Co., Ltd. | Terminal of rechargeable battery and method of manufacturing the same |
US8916287B2 (en) | 2010-08-16 | 2014-12-23 | Samsung Sdi Co., Ltd. | Rechargeable battery |
JP5570383B2 (ja) | 2010-10-15 | 2014-08-13 | 株式会社神戸製鋼所 | 導電性連結部材、導電性連結部材の製造方法、及び導電性連結部材が電極とされたバッテリ |
CN103733382B (zh) * | 2011-06-28 | 2016-03-30 | 矢崎总业株式会社 | 汇流条板 |
JP6212846B2 (ja) * | 2011-10-04 | 2017-10-18 | 株式会社Gsユアサ | 電気化学装置 |
US9252550B2 (en) * | 2012-12-28 | 2016-02-02 | Hitachi Metals, Ltd. | Electrode terminal connector producing method |
KR101416763B1 (ko) * | 2012-12-31 | 2014-07-11 | 킴스테크날리지 주식회사 | 전기에너지 저장장치의 단자 및 이의 조립 방법 |
KR101590986B1 (ko) * | 2013-03-05 | 2016-02-03 | 주식회사 엘지화학 | 확산 접합을 이용한 전극단자 또는 버스 바의 접합 방법 |
DE102013112060A1 (de) * | 2013-11-01 | 2015-05-07 | Johnson Controls Advanced Power Solutions Gmbh | Elektrochemischer Akkumulator |
KR102490863B1 (ko) | 2015-11-04 | 2023-01-20 | 삼성에스디아이 주식회사 | 이차전지의 제조방법 |
CN105679991A (zh) * | 2016-03-30 | 2016-06-15 | 湖南方恒复合材料有限公司 | 复合极柱及具有其的电池模块 |
JP6964268B2 (ja) * | 2017-01-31 | 2021-11-10 | パナソニックIpマネジメント株式会社 | 電池モジュール、および、その製造方法 |
JP6931460B2 (ja) | 2017-10-06 | 2021-09-08 | トヨタ自動車株式会社 | 電池および電池の製造方法 |
CN110224104B (zh) * | 2018-03-02 | 2021-07-09 | 比亚迪股份有限公司 | 电池的负极柱、电池的盖板组件、电池和电动汽车 |
KR102157495B1 (ko) * | 2020-02-03 | 2020-09-18 | 에이에프더블류 주식회사 | 파우치형 배터리 셀 및 그 제조방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01255164A (ja) * | 1988-04-01 | 1989-10-12 | Natl Space Dev Agency Japan<Nasda> | アルカリ蓄電池の製造方法 |
JPH07235289A (ja) * | 1994-02-21 | 1995-09-05 | A T Battery:Kk | 封止電極端子構造 |
JPH08102313A (ja) * | 1994-09-30 | 1996-04-16 | Sony Corp | 非水電解液二次電池 |
JPH0917441A (ja) * | 1995-06-27 | 1997-01-17 | Sanyo Electric Co Ltd | 折曲した電極板を内蔵する角形電池 |
JPH0992258A (ja) * | 1995-09-27 | 1997-04-04 | Sony Corp | 二次電池 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3116172A (en) * | 1959-08-03 | 1963-12-31 | Servel Inc | Contact for use with cylindrical anodes |
US3393095A (en) * | 1965-05-12 | 1968-07-16 | Varta Ag | Cylindrical battery cells |
US4322484A (en) * | 1978-09-05 | 1982-03-30 | General Electric Company | Spiral wound electrochemical cell having high capacity |
KR100417560B1 (ko) * | 1995-09-27 | 2004-04-28 | 소니 가부시끼 가이샤 | 젤리롤형고용량2차전지 |
-
1998
- 1998-10-06 US US09/319,500 patent/US6156452A/en not_active Expired - Lifetime
- 1998-10-06 DE DE69837533T patent/DE69837533T2/de not_active Expired - Lifetime
- 1998-10-06 WO PCT/JP1998/004509 patent/WO1999018622A1/ja active IP Right Grant
- 1998-10-06 CA CA002274483A patent/CA2274483C/en not_active Expired - Fee Related
- 1998-10-06 CN CN98801425A patent/CN1121072C/zh not_active Expired - Fee Related
- 1998-10-06 EP EP98945633A patent/EP0964461B1/en not_active Expired - Lifetime
-
1999
- 1999-05-03 KR KR1019997003935A patent/KR100314956B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01255164A (ja) * | 1988-04-01 | 1989-10-12 | Natl Space Dev Agency Japan<Nasda> | アルカリ蓄電池の製造方法 |
JPH07235289A (ja) * | 1994-02-21 | 1995-09-05 | A T Battery:Kk | 封止電極端子構造 |
JPH08102313A (ja) * | 1994-09-30 | 1996-04-16 | Sony Corp | 非水電解液二次電池 |
JPH0917441A (ja) * | 1995-06-27 | 1997-01-17 | Sanyo Electric Co Ltd | 折曲した電極板を内蔵する角形電池 |
JPH0992258A (ja) * | 1995-09-27 | 1997-04-04 | Sony Corp | 二次電池 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0964461A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100675700B1 (ko) * | 1999-08-10 | 2007-02-01 | 산요덴키가부시키가이샤 | 비수 전해액 이차 전지 및 그 제조 방법 |
KR100754705B1 (ko) * | 1999-08-10 | 2007-09-03 | 산요덴키가부시키가이샤 | 비수 전해액 이차 전지 |
US7781092B2 (en) | 2002-12-18 | 2010-08-24 | Samsung Sdi Co., Ltd. | Secondary battery and method of manufacturing same |
Also Published As
Publication number | Publication date |
---|---|
KR20000068897A (ko) | 2000-11-25 |
DE69837533T2 (de) | 2007-12-20 |
CN1121072C (zh) | 2003-09-10 |
CA2274483C (en) | 2006-01-31 |
EP0964461B1 (en) | 2007-04-11 |
EP0964461A1 (en) | 1999-12-15 |
CA2274483A1 (en) | 1999-04-15 |
CN1241303A (zh) | 2000-01-12 |
US6156452A (en) | 2000-12-05 |
EP0964461A4 (en) | 2004-08-25 |
KR100314956B1 (ko) | 2001-11-23 |
DE69837533D1 (de) | 2007-05-24 |
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