US20060160422A1 - Electrode connector containing plate and battery module employed with the same - Google Patents
Electrode connector containing plate and battery module employed with the same Download PDFInfo
- Publication number
- US20060160422A1 US20060160422A1 US11/285,418 US28541805A US2006160422A1 US 20060160422 A1 US20060160422 A1 US 20060160422A1 US 28541805 A US28541805 A US 28541805A US 2006160422 A1 US2006160422 A1 US 2006160422A1
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- United States
- Prior art keywords
- electrode connector
- wire
- plates
- cells
- electrodes
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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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
- H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
- H01M50/522—Inorganic material
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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
- H01M50/20—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
-
- 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
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to an electrode connector for connecting electrodes of cells with each other, and, more particularly, to an electrode connector having plates, which are weldable to electrodes, mounted on a wire, thereby accomplishing easy and convenient electrical connection between the electrodes while minimizing damage to the cells and enabling inexpensive manufacture of the electrode connector. Also, the present invention relates to a battery module manufactured with such an electrode connector.
- One of the secondary batteries is a lithium secondary battery having high energy density and discharge voltage, into which much research has been carried out and which is now commercially and widely used.
- the secondary battery may be used in the form of a single unit cell or in the form of a battery pack including a plurality of unit cells electrically connected with each other.
- small-sized devices such as a mobile phone
- the capacity of a single unit cell can be operated for a predetermined period of time from the output and the capacity of a single unit cell.
- large-sized devices such as lap-top computers or electric vehicles, require use of a medium- or large-sized battery pack because a high output and a large capacity are necessary.
- the battery pack is a battery structure including a plurality of unit cells electrically connected in series and/or parallel with each other.
- a wire, a plate, and a flexible printed circuit board (FPCB) are used in the battery pack so as to accomplish the electrical connection between electrodes of the unit cells.
- the wire is a linear conductive member.
- an insulating resin is covered on the outer surface of the wire, and therefore, the wire has advantages in that the linear conductive member is easily deformed, and the costs of the liner conductive member are inexpensive.
- the wire has problems in that it is difficult to accomplish the electrical connection between the electrodes of the cells by a welding process, such as spot welding, ultrasonic welding, or laser welding, and a large amount of heat is transferred to the cells during the welding process, which causes damage to the cells.
- the plate which is a plate-shaped conductive member, has an advantage in that the electrical connection between the electrodes of the cells can be easily accomplished by the above-mentioned welding process.
- the plate has a problem in that it is difficult to accomplish the electrical connection between the electrodes of the cells even with only a slight-degree error.
- the FPCB which is widely used in recent years, has advantages in that the electrical connection between the electrodes of the cells can be easily accomplished like the plate, and it is suitable for the electrical connection in a complicated structure.
- the FPCB has problems in that the FPCB is very expensive, the formability is lowered, and the assembly operation is difficult.
- FIGS. 1 and 2 Processes for constituting a battery module through the electrical connection between electrodes of a plurality of cells using an FPCB are partially shown in FIGS. 1 and 2 .
- FIG. 1 illustrates a normal assembly process of the battery module in which the connection between the electrodes is normally accomplished
- FIG. 2 illustrates an abnormal assembly process of the battery module in which the connection between the electrodes is abnormally accomplished.
- an FPCB 10 includes a flexible board 12 , on which a circuit 14 is formed. To the circuit 14 are connected electrodes 22 of cells 20 . When the connection circuit 14 of the FPCB 10 is properly arranged on the electrodes 22 of the cells 20 , which are disposed regularly, as shown in FIG. 1 , normal electrical connection between the electrodes is accomplished. When an error occurs at the first connection process as shown in FIG. 2 , on the other hand, it is difficult to accomplish subsequent electrical connections between the electrodes. Consequently, the assembly operation is inaccurately carried out.
- the inventors have performed various experiments and research, and finally have developed an electrode connector having advantages of both the wire and the plate.
- the electrode connector includes a flexible wire and plates, which can be easily welded to electrodes of cells, mounted on the wire. Consequently, the electrode connector can be manufactured inexpensively, the assembly operation is easily carried out due to the characteristics of the deformable wire, and the electrical connection between the electrodes of the cells is accomplished by the plates, which can be easily welded to the electrodes.
- an electrode connector comprising: a conductive wire; and plates mounted on the wire such that the plates can be electrically connected to electrodes of cells, wherein the plates are electrically connected to the wire.
- the conductive wire is a linear conductive member.
- the conductive wire is covered with an insulating resin such that a short circuit to a peripheral device is prevented.
- the material for the wire is not particularly restricted so long as the material is conductive.
- conductive materials generally used in electrical engineering applications such as copper, iron, and lead, may be used for the wire.
- the wire is made of copper, which has excellent flexibility and electrical conductivity.
- the plates are plate-shaped conductive members, which are parts of the electrode connector and which are electrically connected to the electrodes of the cells.
- the material for the plates is not particularly restricted so long as the electrical connection between the plates and the electrodes of the cells is accomplished.
- nickel, aluminum, copper, iron, and alloy thereof may be used for the plates.
- the plates are made of nickel or nickel alloy, which is excellent in terms of cost and electrical conductivity.
- the electrical connection between the plates and the electrodes of the cells may be accomplished in various manners.
- the plates and the electrodes of the cells may be electrically connected with each other by welding, mechanical coupling, or adhesion.
- the electrical connection between the plates and the electrodes of the cells is accomplished by spot welding, ultrasonic welding, laser welding, or soldering.
- the present invention is characterized in that the electrical connection between the electrode connector and the electrodes of the cells is accomplished by the plates, and the interconnection of the plates is accomplished by the wire. Consequently, the coupling between the electrodes and the plate is easy, and the electrical connection of the plates is accomplished using the flexible wire irrespective of the distance between the electrodes.
- the electrode connector according to the present invention may be constructed by separately manufacturing the wire and the plates and then coupling the wire and the plates with each other.
- the wire and the plates are integrally formed in a single body to construct the electrode connector.
- the electrode connector is constructed by clamping a plurality of plates to a single wire. According to circumstances, a plurality of unit members, each of which is manufactured by coupling a single plate to a single wire, are connected with each other to construct the electrode connector according to the present invention.
- a battery module manufactured with the electrode connector as described above.
- the battery module includes two or more cells, which are electrically and mechanically connected with each other to provide high-output, large-capacity current, which cannot be obtained by a single cell.
- a connector for connecting the unit cells in series and/or parallel with each other.
- the electrode connector serves to electrically connect a plurality of cells (unit cells), and therefore, the electrode connector is useful to connect the electrodes of the unit cells with each other and to connect the electrodes of the unit cells to a predetermined external device when manufacturing a medium- or large-sized battery module.
- the structure of the battery module manufactured with two or more unit cells to provide high output and large capacity may be various.
- the structure of the battery module is well known to those skilled in the art to which the present invention pertains, and therefore, a detailed description thereof will not be given. It should be noted, however, that the structure of the battery module using the electrode connector according to the present invention falls into the scope of the present invention.
- the battery module according to the present invention is used in a battery pack, which is a power source for small-sized devices, such as lap-top computers, and large-sized devices, such as electric vehicles or hybrid electric vehicles.
- FIGS. 1 and 2 are typical views respectively illustrating normal and abnormal assembly processes when electrodes of cells are connected with each other using a flexible printed circuit board (FPCB) according to a conventional art;
- FPCB flexible printed circuit board
- FIG. 3 is a partial typical view illustrating an electrode connector according to a preferred embodiment of the present invention.
- FIG. 4 is a typical view illustrating an exemplary plate used in the electrode connector according to the present invention.
- FIG. 5 is a sectional view taken along line A-A of FIG. 3 .
- FIG. 3 is a partial typical view illustrating an electrode connector 100 according to a preferred embodiment of the present invention.
- the electrode connector 100 includes a wire 200 and a plurality of plates 300 mounted on the wire 200 .
- the wire 200 includes a conductive core member 210 and an insulating sheath 220 for covering the conductive core member 210 .
- the plate 300 has a side clamping part 320 formed at one side end of a plate-shaped body 310 and a lower clamping part 330 formed at the lower end of the plate-shaped body 310 .
- the plate 300 is securely mounted on the wire core member 210 (chain double-dashed line) by the clamping parts 320 and 330 , and therefore, the electrical connection between the plate and the wire is accomplished.
- the side clamping part 320 may be formed at the other side end of the plate-shaped body 310 .
- Each electrode of cells (not shown) is electrically connected to the plate-shaped body 310 , preferably, by welding.
- the conductive core member 210 is exposed at the area of the wire 200 where the plate 300 is mounted. Consequently, the plate 300 is connected to the wire 200 by the clamping parts 320 and 330 of the plate 300 , and therefore, the electrical connection between the plate and the wire is accomplished.
- FIG. 5 is a sectional view taken along line A-A of FIG. 3 .
- the insulating sheath 220 (chain double-dashed line) is not present at the area of the wire where the plate is connected to the wire. Consequently, the conductive core member 210 is brought into direct contact with the side clamping part 320 of the plate 300 , and therefore, the electrical connection between the plate and the wire is accomplished.
- the structure of the plate and the electrical connection between the plate and the wire may be modified in various ways based on the illustrative example of FIG. 3 .
- the electrode connector according to the present invention is electrically connected to the electrodes of the cells by means of the plates. Consequently, the coupling of the electrode connector to the electrodes of the cells is easily accomplished by welding while damage to the cells is minimized. Furthermore, the electrical connection between the plates is accomplished by means of the flexible wire. Consequently, the assembly operation for the electrode connection is very easily carried out, and the electrode connector can be manufactured inexpensively.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
An electrode connector includes a conductive wire and plates mounted on the wire such that the plates can be electrically connected to electrodes of cells. The plates are electrically connected to the wire. A battery module is manufactured with the electrode connector. The electrode connector is electrically connected to the electrodes of the cells by means of the plates. Consequently, the coupling of the electrode connector to the electrodes of the cells is easily accomplished by welding while damage to the cells is minimized. Furthermore, the electrical connection between the plates is accomplished by means of the flexible wire. Consequently, the assembly operation for the electrode connection is very easily carried out, and the electrode connector can be manufactured inexpensively.
Description
- The present invention relates to an electrode connector for connecting electrodes of cells with each other, and, more particularly, to an electrode connector having plates, which are weldable to electrodes, mounted on a wire, thereby accomplishing easy and convenient electrical connection between the electrodes while minimizing damage to the cells and enabling inexpensive manufacture of the electrode connector. Also, the present invention relates to a battery module manufactured with such an electrode connector.
- As mobile devices have been increasingly developed, and the demand of such mobile devices has increased, the demand of secondary batteries has also sharply increased as a power source for the mobile devices. One of the secondary batteries is a lithium secondary battery having high energy density and discharge voltage, into which much research has been carried out and which is now commercially and widely used.
- Based on kinds of external devices in which the secondary battery is used, the secondary battery may be used in the form of a single unit cell or in the form of a battery pack including a plurality of unit cells electrically connected with each other. For example, small-sized devices, such as a mobile phone, can be operated for a predetermined period of time from the output and the capacity of a single unit cell. On the other hand, large-sized devices, such as lap-top computers or electric vehicles, require use of a medium- or large-sized battery pack because a high output and a large capacity are necessary.
- The battery pack is a battery structure including a plurality of unit cells electrically connected in series and/or parallel with each other. A wire, a plate, and a flexible printed circuit board (FPCB) are used in the battery pack so as to accomplish the electrical connection between electrodes of the unit cells.
- The wire is a linear conductive member. Generally, an insulating resin is covered on the outer surface of the wire, and therefore, the wire has advantages in that the linear conductive member is easily deformed, and the costs of the liner conductive member are inexpensive. However, the wire has problems in that it is difficult to accomplish the electrical connection between the electrodes of the cells by a welding process, such as spot welding, ultrasonic welding, or laser welding, and a large amount of heat is transferred to the cells during the welding process, which causes damage to the cells.
- The plate, which is a plate-shaped conductive member, has an advantage in that the electrical connection between the electrodes of the cells can be easily accomplished by the above-mentioned welding process. However, the plate has a problem in that it is difficult to accomplish the electrical connection between the electrodes of the cells even with only a slight-degree error.
- The FPCB, which is widely used in recent years, has advantages in that the electrical connection between the electrodes of the cells can be easily accomplished like the plate, and it is suitable for the electrical connection in a complicated structure. However, the FPCB has problems in that the FPCB is very expensive, the formability is lowered, and the assembly operation is difficult.
- Processes for constituting a battery module through the electrical connection between electrodes of a plurality of cells using an FPCB are partially shown in
FIGS. 1 and 2 .FIG. 1 illustrates a normal assembly process of the battery module in which the connection between the electrodes is normally accomplished, andFIG. 2 illustrates an abnormal assembly process of the battery module in which the connection between the electrodes is abnormally accomplished. - Referring to
FIGS. 1 and 2 , an FPCB 10 includes aflexible board 12, on which acircuit 14 is formed. To thecircuit 14 are connectedelectrodes 22 ofcells 20. When theconnection circuit 14 of theFPCB 10 is properly arranged on theelectrodes 22 of thecells 20, which are disposed regularly, as shown inFIG. 1 , normal electrical connection between the electrodes is accomplished. When an error occurs at the first connection process as shown inFIG. 2 , on the other hand, it is difficult to accomplish subsequent electrical connections between the electrodes. Consequently, the assembly operation is inaccurately carried out. - Accordingly, it is an object of the present invention to substantially obviate the above-mentioned problems of the conventional arts as well as the technical problems requested from the past.
- The inventors have performed various experiments and research, and finally have developed an electrode connector having advantages of both the wire and the plate. Specifically, the electrode connector includes a flexible wire and plates, which can be easily welded to electrodes of cells, mounted on the wire. Consequently, the electrode connector can be manufactured inexpensively, the assembly operation is easily carried out due to the characteristics of the deformable wire, and the electrical connection between the electrodes of the cells is accomplished by the plates, which can be easily welded to the electrodes.
- In accordance with one aspect of the present invention, the above and other objects can be accomplished by the provision of an electrode connector comprising: a conductive wire; and plates mounted on the wire such that the plates can be electrically connected to electrodes of cells, wherein the plates are electrically connected to the wire.
- The conductive wire is a linear conductive member. Preferably, the conductive wire is covered with an insulating resin such that a short circuit to a peripheral device is prevented. The material for the wire is not particularly restricted so long as the material is conductive. For example, conductive materials generally used in electrical engineering applications, such as copper, iron, and lead, may be used for the wire. Preferably, the wire is made of copper, which has excellent flexibility and electrical conductivity.
- The plates are plate-shaped conductive members, which are parts of the electrode connector and which are electrically connected to the electrodes of the cells. The material for the plates is not particularly restricted so long as the electrical connection between the plates and the electrodes of the cells is accomplished. For example, nickel, aluminum, copper, iron, and alloy thereof may be used for the plates. Preferably, the plates are made of nickel or nickel alloy, which is excellent in terms of cost and electrical conductivity.
- The electrical connection between the plates and the electrodes of the cells may be accomplished in various manners. For example, the plates and the electrodes of the cells may be electrically connected with each other by welding, mechanical coupling, or adhesion. Preferably, the electrical connection between the plates and the electrodes of the cells is accomplished by spot welding, ultrasonic welding, laser welding, or soldering.
- The present invention is characterized in that the electrical connection between the electrode connector and the electrodes of the cells is accomplished by the plates, and the interconnection of the plates is accomplished by the wire. Consequently, the coupling between the electrodes and the plate is easy, and the electrical connection of the plates is accomplished using the flexible wire irrespective of the distance between the electrodes.
- The electrode connector according to the present invention may be constructed by separately manufacturing the wire and the plates and then coupling the wire and the plates with each other. Alternatively, the wire and the plates are integrally formed in a single body to construct the electrode connector. In a preferred embodiment, the electrode connector is constructed by clamping a plurality of plates to a single wire. According to circumstances, a plurality of unit members, each of which is manufactured by coupling a single plate to a single wire, are connected with each other to construct the electrode connector according to the present invention.
- In accordance with another aspect of the present invention, there is provided a battery module manufactured with the electrode connector as described above.
- The battery module includes two or more cells, which are electrically and mechanically connected with each other to provide high-output, large-capacity current, which cannot be obtained by a single cell. In the battery module is used a connector for connecting the unit cells in series and/or parallel with each other. The electrode connector serves to electrically connect a plurality of cells (unit cells), and therefore, the electrode connector is useful to connect the electrodes of the unit cells with each other and to connect the electrodes of the unit cells to a predetermined external device when manufacturing a medium- or large-sized battery module.
- The structure of the battery module manufactured with two or more unit cells to provide high output and large capacity may be various. The structure of the battery module is well known to those skilled in the art to which the present invention pertains, and therefore, a detailed description thereof will not be given. It should be noted, however, that the structure of the battery module using the electrode connector according to the present invention falls into the scope of the present invention.
- Preferably, the battery module according to the present invention is used in a battery pack, which is a power source for small-sized devices, such as lap-top computers, and large-sized devices, such as electric vehicles or hybrid electric vehicles.
- The above and other objects, features and other advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
-
FIGS. 1 and 2 are typical views respectively illustrating normal and abnormal assembly processes when electrodes of cells are connected with each other using a flexible printed circuit board (FPCB) according to a conventional art; -
FIG. 3 is a partial typical view illustrating an electrode connector according to a preferred embodiment of the present invention; -
FIG. 4 is a typical view illustrating an exemplary plate used in the electrode connector according to the present invention; and -
FIG. 5 is a sectional view taken along line A-A ofFIG. 3 . - 100: electrode connector
- 200: wire
- 300: plate
- Now, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. It should be noted, however, that the scope of the present invention is not limited by the illustrated embodiment.
-
FIG. 3 is a partial typical view illustrating anelectrode connector 100 according to a preferred embodiment of the present invention. - Referring to
FIG. 3 , theelectrode connector 100 includes awire 200 and a plurality ofplates 300 mounted on thewire 200. Thewire 200 includes aconductive core member 210 and an insulatingsheath 220 for covering theconductive core member 210. - The structure of the
plate 300 is shown in more detail inFIG. 4 . As shown inFIG. 4 , theplate 300 has aside clamping part 320 formed at one side end of a plate-shapedbody 310 and alower clamping part 330 formed at the lower end of the plate-shapedbody 310. Theplate 300 is securely mounted on the wire core member 210 (chain double-dashed line) by the clampingparts side clamping part 320 may be formed at the other side end of the plate-shapedbody 310. Each electrode of cells (not shown) is electrically connected to the plate-shapedbody 310, preferably, by welding. - Referring back to
FIG. 3 , theconductive core member 210 is exposed at the area of thewire 200 where theplate 300 is mounted. Consequently, theplate 300 is connected to thewire 200 by the clampingparts plate 300, and therefore, the electrical connection between the plate and the wire is accomplished. -
FIG. 5 is a sectional view taken along line A-A ofFIG. 3 . The insulating sheath 220 (chain double-dashed line) is not present at the area of the wire where the plate is connected to the wire. Consequently, theconductive core member 210 is brought into direct contact with theside clamping part 320 of theplate 300, and therefore, the electrical connection between the plate and the wire is accomplished. - Although the preferred embodiment of the present invention has been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
- For example, the structure of the plate and the electrical connection between the plate and the wire may be modified in various ways based on the illustrative example of
FIG. 3 . - As apparent from the above description, the electrode connector according to the present invention is electrically connected to the electrodes of the cells by means of the plates. Consequently, the coupling of the electrode connector to the electrodes of the cells is easily accomplished by welding while damage to the cells is minimized. Furthermore, the electrical connection between the plates is accomplished by means of the flexible wire. Consequently, the assembly operation for the electrode connection is very easily carried out, and the electrode connector can be manufactured inexpensively.
Claims (7)
1. An electrode connector comprising:
a conductive wire; and
plates mounted on the wire such that the plates can be electrically connected to electrodes of cells, wherein
the plates are electrically connected to the wire.
2. The electrode connector as set forth in claim I, wherein the wire is covered with an insulating resin.
3. The electrode connector as set forth in claim 1 , wherein the wire is made of copper, and the plates are made of nickel.
4. The electrode connector as set forth in claim 1 , wherein the electrical connection between the plates and the electrode of the cells is accomplished by spot welding, ultrasonic welding, laser welding, or soldering.
5. The electrode connector as set forth in claim 1 , wherein the electrode connector is constructed by clamping a plurality of plates to a single wire.
6. A battery module manufactured with an electrode connector as set forth in claim 1 .
7. The battery module as set forth in claim 6 , wherein the electrode connector is used to connect electrodes of a plurality of cells (unit cells) with each other or to connect the electrode of one of the unit cells with a predetermined external device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/566,498 US7736188B2 (en) | 2004-11-26 | 2006-12-04 | Electrode connector containing plate and battery module employed with the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2004-0097749 | 2004-11-26 | ||
KR20040097749 | 2004-11-26 |
Related Child Applications (1)
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US11/566,498 Continuation-In-Part US7736188B2 (en) | 2004-11-26 | 2006-12-04 | Electrode connector containing plate and battery module employed with the same |
Publications (1)
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US20060160422A1 true US20060160422A1 (en) | 2006-07-20 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US11/285,418 Abandoned US20060160422A1 (en) | 2004-11-26 | 2005-11-22 | Electrode connector containing plate and battery module employed with the same |
US11/566,498 Active 2028-01-28 US7736188B2 (en) | 2004-11-26 | 2006-12-04 | Electrode connector containing plate and battery module employed with the same |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US11/566,498 Active 2028-01-28 US7736188B2 (en) | 2004-11-26 | 2006-12-04 | Electrode connector containing plate and battery module employed with the same |
Country Status (9)
Country | Link |
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US (2) | US20060160422A1 (en) |
EP (1) | EP1817808B1 (en) |
JP (1) | JP2008517440A (en) |
KR (1) | KR100733709B1 (en) |
CN (1) | CN101044645B (en) |
BR (1) | BRPI0516071B8 (en) |
RU (1) | RU2332751C1 (en) |
TW (1) | TWI286852B (en) |
WO (1) | WO2006057497A1 (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060234558A1 (en) * | 2005-04-15 | 2006-10-19 | Li Kit W | Combinable connecting means for thin plate-type lithium batteries |
WO2008050953A1 (en) * | 2006-10-23 | 2008-05-02 | Lg Chem, Ltd. | Equal distribution-typed connecting member, and middle or large-sized battery pack employed with the same |
EP2064760A1 (en) * | 2006-09-18 | 2009-06-03 | LG Chemical Limited | Equal distribution-typed bus bar, and middle or large-sized battery pack employed with the same |
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US20060234558A1 (en) * | 2005-04-15 | 2006-10-19 | Li Kit W | Combinable connecting means for thin plate-type lithium batteries |
EP2064760A1 (en) * | 2006-09-18 | 2009-06-03 | LG Chemical Limited | Equal distribution-typed bus bar, and middle or large-sized battery pack employed with the same |
EP2064760A4 (en) * | 2006-09-18 | 2012-10-17 | Lg Chemical Ltd | Equal distribution-typed bus bar, and middle or large-sized battery pack employed with the same |
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US20100028723A1 (en) * | 2008-07-30 | 2010-02-04 | Chaz Haba | Power cell apparatus with three dimensional interconnect |
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US8703324B2 (en) | 2011-01-24 | 2014-04-22 | Samsung Sdi Co., Ltd. | Electrode connector and battery module using the same |
US8609266B2 (en) | 2011-02-18 | 2013-12-17 | Samsung Sdi Co., Ltd. | Battery pack |
TWI427848B (en) * | 2011-10-18 | 2014-02-21 | Hongwen Hwang | Li battery and electrode connecting module thereof |
TWI427842B (en) * | 2011-10-18 | 2014-02-21 | Hongwen Hwang | Li battery and electrode connecting module thereof |
DE102012219781A1 (en) * | 2012-10-29 | 2014-04-30 | Lisa Dräxlmaier GmbH | Rechargeable battery module for use in vehicle i.e. electric car, has bus bar including bus bar part and multiple contact tongues protruding from bus bar part, and separation gap formed between neighboring contact tongues |
WO2014146642A1 (en) | 2013-03-19 | 2014-09-25 | Amphenol-Tuchel Electronics Gmbh | Stranded electrical conductor comprising a circular plug-type contact jack |
DE102013004708A1 (en) | 2013-03-19 | 2014-09-25 | Amphenol-Tuchel Electronics Gmbh | Electric stranded conductor with round plug contact socket |
US20160043448A1 (en) * | 2013-04-23 | 2016-02-11 | Elringklinger Ag | Method for producing a battery contact-making system, and battery contact-making system |
US10431856B2 (en) * | 2013-04-23 | 2019-10-01 | Elringklinger Ag | Method for producing a battery contact-making system, and battery contact-making system |
US20160301148A1 (en) * | 2015-04-10 | 2016-10-13 | Maxwell Technologies, Inc. | Reduced temperature energy storage device |
US9653824B2 (en) * | 2015-04-10 | 2017-05-16 | Maxwell Technologies, Inc. | Reduced temperature energy storage device |
US10581054B2 (en) * | 2017-06-20 | 2020-03-03 | Yazaki Corporation | Busbar structure |
Also Published As
Publication number | Publication date |
---|---|
CN101044645A (en) | 2007-09-26 |
BRPI0516071B8 (en) | 2023-01-17 |
WO2006057497A1 (en) | 2006-06-01 |
TWI286852B (en) | 2007-09-11 |
BRPI0516071B1 (en) | 2018-07-17 |
CN101044645B (en) | 2012-02-29 |
KR20060059175A (en) | 2006-06-01 |
BRPI0516071A (en) | 2008-08-19 |
EP1817808A4 (en) | 2008-08-13 |
KR100733709B1 (en) | 2007-06-29 |
RU2332751C1 (en) | 2008-08-27 |
US20070154793A1 (en) | 2007-07-05 |
EP1817808A1 (en) | 2007-08-15 |
JP2008517440A (en) | 2008-05-22 |
US7736188B2 (en) | 2010-06-15 |
TW200635107A (en) | 2006-10-01 |
EP1817808B1 (en) | 2013-12-25 |
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