WO2015046832A1 - 보호회로모듈 케이스를 포함하는 전지팩 - Google Patents
보호회로모듈 케이스를 포함하는 전지팩 Download PDFInfo
- Publication number
- WO2015046832A1 WO2015046832A1 PCT/KR2014/008768 KR2014008768W WO2015046832A1 WO 2015046832 A1 WO2015046832 A1 WO 2015046832A1 KR 2014008768 W KR2014008768 W KR 2014008768W WO 2015046832 A1 WO2015046832 A1 WO 2015046832A1
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- WIPO (PCT)
- Prior art keywords
- pcb
- battery pack
- connection member
- case
- battery cell
- Prior art date
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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
- H01M10/42—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
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
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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
- 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
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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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
- H01M50/557—Plate-shaped terminals
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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
- H01M50/543—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
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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
- H01M10/42—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
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
- H01M2200/00—Safety devices for primary or secondary batteries
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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 battery pack including a protection circuit module case, and more particularly, to a battery pack including a plate-shaped battery cell including a sealing surplus and a protection circuit module (PCM) mounted to the sealing surplus.
- the PCM includes a protective circuit printed board (PCB), a safety device, and an electrically insulating module case, wherein the module case includes an upper case and a lower case of a prefabricated fastening structure in which the PCB and the safety device are housed.
- the module case, the PCB, and the electrode terminal are formed with first and second openings each having a size through which the first connection member and the second connection member can penetrate, and the PCB is accommodated in the upper case and the lower case.
- Mounted on the sealing surplus of the battery cell, and the electrode terminals of the battery cell are connected to each other by the first connection member and the second connection member. Is the sum relates to a battery pack, it characterized in that it is electrically connected.
- Secondary batteries which are represented by lithium secondary batteries having high energy density, high operating voltage, and excellent storage and life characteristics, are widely used as energy sources for various mobile devices as well as various electronic products.
- the secondary battery may be used as a removable structure that can be inserted and detached freely depending on the type of external device in which the secondary battery is used, or may be used as a built-in structure that is embedded in an external device.
- devices such as laptops can be inserted and removed according to the user's needs, while devices such as smart phones and smart pads require the use of internal battery packs due to their structure and capacity. .
- the lithium secondary battery has a variety of combustible materials are built, there is a risk of overheating, explosion, etc. due to overcharge, overcurrent, other physical external shocks, etc., has a big disadvantage in safety. Therefore, in the lithium secondary battery, a PTC (Positive Temperature Coefficient) element, a protection circuit module (PCM), or the like is connected to the battery cell as a safety device capable of effectively controlling abnormal states such as overcharge and overcurrent.
- PTC Physical Temperature Coefficient
- PCM protection circuit module
- a secondary battery pack having a built-in structure uses a plate-shaped battery cell suitable for an electrical connection structure, and the PCM is connected to the battery cell by welding or soldering through a conductive nickel plate.
- the nickel plate is welded or soldered to the electrode terminal of the battery cell, and the F (flexible) -PCB is welded on one side of the double-sided tape, and the protective tape is attached on the other side to closely contact the battery cell.
- a battery pack is manufactured by connecting a PCM to a battery cell by welding electrode tabs and nickel plates.
- the insulating tape is attached to each member including the PCM, and a portion of the battery case including the battery cell is bent to attach the insulating tape, or the barcode is printed. do.
- the battery pack may cause problems such as damage to the PCM, significantly reduced dimensional stability due to the use of an insulating tape having a low mechanical rigidity.
- the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
- Still another object of the present invention is to provide a battery pack having a structure in which a compact structure of a battery pack and an electric capacity can be expanded in a battery pack of the same standard by applying a module case having a specific structure to the battery pack.
- An electrode assembly having a structure in which a separator is interposed between a positive electrode and a negative electrode is sealed in an interior of a battery case together with an electrolyte, and includes a plate-shaped battery cell in which electrode terminals are formed on one surface including a surplus sealing portion.
- a battery pack having a structure in which a protection circuit module (PCM) is mounted in a surplus portion
- the electrode terminal of the battery cell is made of a plate-shaped conductive member
- the PCM is a PCB (protective circuit printed circuit board), a safety device that is electrically connected between the electrode terminal of one side of the battery cell and the PCB or mounted on the PCB, and an electrically insulating module surrounding the PCB and the safety device.
- a PCB protective circuit printed circuit board
- a safety device that is electrically connected between the electrode terminal of one side of the battery cell and the PCB or mounted on the PCB
- an electrically insulating module surrounding the PCB and the safety device.
- the module case includes an upper case and a lower case of the prefabricated fastening structure in which the PCB and the safety device are accommodated.
- the module case, the PCB, and the electrode terminal have first openings and second openings each having a size through which the first connection fastening member and the second connection member can penetrate.
- the PCB is mounted on the sealing excess of the battery cell in a state of being accommodated in the upper case and the lower case, and is electrically coupled to the electrode terminal of the battery cell by the first connection member and the second connection connection member. It consists of being connected.
- the battery pack of the present invention by applying a protective circuit module case including the upper case, the lower case, the first opening and the second opening to the battery pack, to simplify the parts and coupling structure of the battery pack to manufacture the battery pack Fairness and stability can be improved.
- the battery pack of the present invention can increase the electric capacity in a battery pack of the same standard while having a compact structure of the battery pack by applying a module case of a specific structure to the battery pack.
- the plate-shaped battery cell may have a structure in which an opening for exposing the electrode terminal is formed on one side or both sides of the sealing surplus portion, the outermost end of the electrode terminal coincides with the outer peripheral surface of the sealing surplus portion It can be a structure with a size that does.
- the opening may be a structure in which a sealing excess is formed in a cut out structure.
- the plate-shaped battery cell may be a plate-shaped battery cell is formed by extending the electrode terminal on one side including the sealing excess.
- Such a plate-shaped battery cell may be, for example, a pouch type secondary battery.
- the pouch type secondary battery may have a structure in which an electrode assembly is sealed in a laminate sheet including a resin layer and a metal layer.
- the electrode assembly has a separator structure interposed between an anode, a cathode, and an anode and a cathode, and Together with the battery case may be a structure that is sealed.
- the secondary battery may preferably be a lithium secondary battery having high energy density, discharge voltage, and output stability. Other components of the lithium secondary battery will be described in detail below.
- a lithium secondary battery is composed of a positive electrode, a negative electrode, a separator, a lithium salt-containing nonaqueous electrolyte, and the like.
- the positive electrode is produced by, for example, applying a mixture of a positive electrode active material, a conductive material, and a binder onto a positive electrode current collector, followed by drying, and further, a filler may be further added as necessary.
- the negative electrode is also manufactured by applying and drying a negative electrode material on the negative electrode current collector, and if necessary, the components as described above may be further included.
- the separator is interposed between the cathode and the anode, and an insulating thin film having high ion permeability and mechanical strength is used.
- the lithium salt-containing non-aqueous electrolyte consists of a non-aqueous electrolyte and a lithium salt, and a liquid non-aqueous electrolyte, a solid electrolyte, an inorganic solid electrolyte, and the like are used as the non-aqueous electrolyte.
- the current collector the electrode active material, the conductive material, the binder, the filler, the separator, the electrolyte, the lithium salt, and the like are known in the art, a detailed description thereof will be omitted herein.
- Such lithium secondary batteries may be prepared by conventional methods known in the art. For example, it may be prepared by inserting a porous separator between the anode and the cathode and injecting an electrolyte therein.
- the positive electrode can be produced by, for example, applying a slurry containing a lithium transition metal oxide, a conductive material, and a binder as described above as an active material on a current collector and then drying.
- the negative electrode can be produced by, for example, applying a slurry containing the carbon active material, the conductive material, and the binder described above onto a thin current collector and then drying.
- the sealing surplus means an upper sealing part formed by heat sealing of the battery case.
- a sealing portion having an extra space formed on one surface is called a sealing surplus.
- the sealing surplus may be replaced with terms such as a sealing surplus, a heat sealing surplus, a sealing terrace, a sealing terrace, and the like.
- the safety device is a device capable of effectively controlling an abnormal state such as overcharge and overcurrent of the battery pack and negative and positive terminals electrically connected to the device on which the battery pack is mounted.
- an abnormal state such as overcharge and overcurrent of the battery pack and negative and positive terminals electrically connected to the device on which the battery pack is mounted.
- Examples include a positive temperature coefficient (PTC) element, a fuse, a thermal cutoff (TCO), and the like.
- the prefabricated fastening structure may be a structure consisting of two or more fastening protrusions formed on one side of the lower case, and two or more fastening grooves formed on the upper case in a structure corresponding to the fastening protrusions. have.
- first connection member penetrates through the first opening
- second connection member penetrates through the second opening
- first connection member and the second connection member are connected to the module case, the PCB, and the electrode terminal, respectively.
- the first openings and the second openings formed in the module case, the PCB, and the electrode terminal may be aligned with each other so as to penetrate the formed first opening and the second opening in a straight line.
- the first connection member and the second connection member may be formed of an electrically conductive material.
- the first connection member and the second connection member may be bolted to the module case, the PCB, and the electrode terminal. After the bolt head may be utilized as an external input and output terminal.
- first connection member and the second connection member includes a bolt head and a bolt body having a thread formed on the outside to bolt the module case, the PCB, and the electrode terminal. It may be a bolt structure. Accordingly, the first connection fastening member and the second connection fastening member having such a structure can be bolted and fixed to the mounting portion of the device on which the battery pack is mounted, thereby achieving a stable mounting effect of the battery pack.
- the module case of this structure includes the upper case and the lower case of a specific structure, the PCB and the safety element can be easily accommodated and fixed therein.
- the module case is made of a structure that does not require an additional fixing member or protection member, it is possible to achieve improved production efficiency by a simplified assembly process.
- the PCB and the safety element are housed inside the module case, they can be firmly and stably fixed by the first connection member and the second connection connection member and protected from the outside, thereby increasing the overall mechanical rigidity of the PCM. have.
- the module case of the structure that can accommodate the PCB and the safety element therein for example, since the appearance is a smooth cuboid structure, it can be easily mounted on the sealing excess of the battery cell.
- the battery pack according to the present invention can achieve a more compact structure compared to the conventional, and can utilize the space occupied by the conventional PCM, PCM fixing member or PCM protection member as a space for increasing the electric capacity, The electrical capacity expansion effect of the battery pack can be achieved.
- the outer surface of the PCM and the battery cell except for the external input and output terminals may be made of a structure in which the label is attached, accordingly, while maintaining the overall insulation state, the electrode terminal and the PCB of the battery cell It is possible to more securely secure the electrical connection state of the.
- the present invention also provides a protection circuit module of a specific structure used in the configuration of the battery pack.
- the protective circuit module according to the present invention, the electrode assembly having a structure in which a separator is interposed between the positive electrode and the negative electrode is mounted on the sealing excess of the plate-shaped battery cell is sealed inside the battery case with the electrolyte solution.
- a protection circuit module PCM
- PCB protective circuit printed circuit board
- safety device that is electrically connected between the one electrode terminal of the battery cell and the PCB or mounted on the PCB
- electrically insulating module case surrounding the PCB and the safety device.
- the module case includes an upper case and a lower case of the prefabricated fastening structure in which the PCB and the safety device are accommodated.
- the module case, the PCB, and the electrode terminal have first openings and second openings each having a size through which the first connection fastening member and the second connection member can penetrate.
- the PCB is mounted on the sealing surplus of the battery cell in a state of being accommodated in the upper case and the lower case, and coupled to the electrode terminals of the battery cell by the first connection member and the second connection connection member to be electrically connected. Consists of the configuration.
- a PCM assembly is installed on a battery cell by combining a connection member, an F-PCM, and attaching an insulating tape at each step. Therefore, since the PCM assembly is mounted on the battery cell using a plurality of components, a number of processes are required, and problems such as low mechanical stability as well as mechanical rigidity are caused.
- the protection circuit module according to the present invention has a structure built in the module case while the safety device is coupled to the PCB, the structural stability of the battery pack is improved and the manufacturing process of the battery pack can be greatly simplified. have.
- the first connection member penetrates through the first opening
- the second connection member penetrates through the second opening
- the first connection member and the second connection member include a module case, a PCB
- the first openings and the second openings formed in the module case, the PCB, and the electrode terminals may each have a structure aligned in a straight line so as to penetrate the first openings and the second openings respectively formed in the electrode terminal in a straight line. have.
- the first connection member and the second connection member may be formed of an electrically conductive material.
- the first connection member and the second connection member may be bolted to the module case, the PCB, and the electrode terminal. After being fixed, the bolt head may be utilized as an external input / output terminal.
- first connection member and the second connection member includes a bolt head and a bolt body having a thread formed on the outside to bolt the module case, the PCB, and the electrode terminal. It may be a bolt structure. Accordingly, the first connection fastening member and the second connection fastening member having such a structure can be bolted and fixed to the mounting portion of the device on which the battery pack is mounted, thereby achieving a stable mounting effect of the battery pack.
- the present invention also provides a method of manufacturing the battery pack.
- It may be prepared by a method comprising a.
- Such a manufacturing method can provide a battery pack which reduces the number of working steps and improves structural stability, as compared with a conventional manufacturing process of a built-in secondary battery pack.
- the present invention also provides a mobile device including the battery pack as a power source.
- the mobile device in which the battery pack according to the present invention may be used include a mobile device such as a mobile phone, a notebook computer, a netbook, a tablet PC, a smart pad, and the like.
- FIG. 1 is a perspective view of a battery pack according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the battery pack shown in FIG. 1;
- 3 to 6 are schematic views showing a process of manufacturing a battery pack according to an embodiment of the present invention.
- FIG. 1 is a perspective view of a battery pack according to an embodiment of the present invention
- Figure 2 is an exploded perspective view of the battery pack shown in FIG.
- the battery pack 600 accommodates the plate-shaped battery cell 100 and the PCB 200 in which the electrode terminals 110 and 120 are formed on one side including the sealing excess portion 130. And an electrically insulating module case 300 for fixing, a first connection fastening member 410 and a second connection fastening member 420 for fixing the module case 300 to the sealing surplus portion 130.
- the 100 and the module case 300 are wrapped by the protective label 500.
- the module case 300 includes an upper case 310 and a lower case 320, and has a structure capable of accommodating the PCB 200 in an inner space formed by a combination thereof.
- the battery cell 100 has a structure in which openings for exposing the electrode terminals 110 and 120 are formed at one side of the sealing excess portion 130, and the outermost ends of the electrode terminals 110 and 120 are sealed. It is the same size as the outer circumferential surface of the surplus portion 130.
- the shape of the electrode terminals of the battery cell is not limited to the shape shown in FIG. 2, and may be a plate-shaped battery cell in which electrode terminals extend outwardly formed on one side including a sealing excess.
- 3 to 6 are schematic diagrams showing a process of manufacturing a battery pack according to an embodiment of the present invention.
- the PCB 200 is accommodated in an inner space formed by the combination of the upper case 310 and the lower case 320.
- the PCB 200 has a structure in which the first connection portion 210 and the second connection portion 220 are formed on a circuit board, and the first opening portion 210 and the second connection portion 220 are respectively formed of the first opening portion 211 and the first connection portion. 2 openings 212 are formed.
- the first openings 311 and 321 and the second openings 312 and 322 are formed in the upper case 310 and the lower case 320, respectively.
- first openings 311, 211, 321 and second openings 312, 212, 322 are each formed in alignment with each other (see the dashed arrows).
- the module case 300 is assembled by the prefabricated fastening structure of the upper case 310 and the lower case 320, the prefabricated fastening structure is a fastening protrusions 323 formed on one side of the lower case 320, and The fastening grooves 313 are formed on the upper case 313 in a structure corresponding to the fastening protrusions 323.
- the module case 300 having the PCB 200 therein is mounted on the sealing surplus portion 130 of the battery cell 100.
- the first and second openings 111 and 121 are formed in the electrode terminals 110 and 120 formed on the sealing excess portion 130 of the battery cell 100.
- the second opening portion 121 is formed in alignment with the first opening portion 311 and the second opening portion 312 formed in the module case 300 (see dotted line).
- first connection fastening member 410 and the second connection fastening member 420 are bolted through the first opening 311 and the second opening 312, respectively.
- the first connection member 410 and the second connection member 420 are made of an electrically conductive material, and bolt bolts 412 and 422 having bolt heads 411 and 421 and external threads formed therein. It consists of). Therefore, the first connection fastening member 410 and the second connection fastening member 420 having the above-described structure may include the module case 300 containing the PCB 200 on the sealing surplus portion 130 of the battery cell 100. At the same time, the electrode terminals 110 and 120 of the battery cell 100 and the first connection portion 210 and the second connection portion 220 of the PCB 200 are electrically connected to each other.
- a device in which the battery pack 600 is mounted by lengthening the lengths of the bolt bodies 412 and 422 of the first connection member 410 and the second connection member 420. Bolting to the mounting portion of the can also be fixed.
- the height of the module case 300 mounted on the sealing excess portion 130 of the battery cell 100 has a shape substantially the same as the thickness of the battery cell 100.
- the module case 400 including such a structure has a smooth rectangular parallelepiped structure, the module case 400 can be easily mounted on the sealing surplus portion 130 of the battery cell 100, and the exterior of the battery pack 600 is smooth.
- the surface can be formed to implement a battery pack of the correct dimensions, and at the same time can achieve the external beauty.
- the label 500 displaying information of the product maintains an insulated state from the battery cell 100 and more stably maintains an electrical connection state between the electrode terminals 110 and 120 of the battery cell 100 and the PCB 200.
- the upper surfaces of the bolt heads 411 and 421 of the first connection member 410 and the second connection member 420 bolted to the first opening 311 and the second opening 312 respectively are external. Is exposed.
- the bolt heads 411 and 421 exposed to the outside serve as an external input / output terminal to electrically connect the battery pack 600 and an external device (not shown).
- the secondary battery pack according to the present invention can simplify the work process by applying the protective circuit module case including the upper case, the lower case, the first opening and the second opening to the battery pack, It is possible to improve the structural stability, to enable a compact structure of the battery pack, it is possible to increase the electrical capacity in the secondary battery pack of the same standard.
Abstract
Description
Claims (22)
- 양극과 음극 사이에 분리막이 개재되어 있는 구조의 전극조립체가 전해액과 함께 전지 케이스의 내부에 밀봉되어 있고, 밀봉 잉여부를 포함하는 일면에 전극단자가 형성되어 있는 판상형의 전지셀을 포함하며, 상기 밀봉 잉여부에 보호회로 모듈(PCM)이 장착되어 있는 구조의 전지팩으로서,상기 전지셀의 전극단자는 판상형의 도전성 부재로 이루어져 있고,상기 PCM은, PCB(보호회로 인쇄 기판), 전지셀의 일측 전극단자와 PCB 사이에 전기적으로 연결되어 있거나 또는 상기 PCB 상에 탑재된 안전소자, 및 상기 PCB 및 안전소자를 감싸고 있는 전기절연성의 모듈 케이스를 포함하고 있으며,상기 모듈 케이스는 PCB 및 안전소자가 수납되는 조립식 체결 구조의 상부 케이스 및 하부 케이스를 포함하고,상기 모듈 케이스, PCB 및 전극단자에는 제 1 접속체결 부재 및 제 2 접속부재가 관통할 수 있는 크기의 제 1 개구부 및 제 2 개구부가 각각 형성되어 있으며,상기 PCB는 상부 케이스 및 하부 케이스에 수납된 상태로 전지셀의 밀봉 잉여부 상에 탑재되어 있고, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재에 의해 전지셀의 전극단자들과 결합되어 전기적으로 연결되어 있는 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 밀봉 잉여부는 전지 케이스의 열융착 밀봉에 의해 형성된 상단 실링부인 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 판상형 전지셀은 밀봉 잉여부의 일 측면 또는 양 측면에 전극단자가 노출되기 위한 개구가 형성되어 있는 것을 특징으로 하는 전지팩.
- 제 3 항에 있어서, 상기 전극단자의 최외측 단부는 밀봉 잉여부의 외주면과 일치하는 크기를 가진 것을 특징으로 하는 전지팩.
- 제 3 항에 있어서, 상기 개구는 밀봉 잉여부가 절취된 구조로 형성되어 있는 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 판상형 전지셀은 밀봉 잉여부를 포함하는 일측면에 전극단자가 외부로 연장되어 형성되어 있는 판상형 전지셀인 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 판상형 전지셀은, 파우치형 이차전지로서 수지층과 금속층을 포함하는 라미네이트 시트의 전지 케이스에 전극조립체가 밀봉되어 있는 구조로 이루어진 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 안전소자는 PTC소자, 퓨즈(fuse) 및 TCO(Thermal Cutoff, Cutout)로 이루어진 군에서 선택되는 하나 이상인 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 조립식 체결 구조는 하부 케이스의 일측에 형성된 둘 이상의 체결돌기들, 및 상기 체결돌기들에 대응하는 구조로 상부 케이스 상에 형성되어 있는 둘 이상의 체결홈들로 이루어진 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 제 1 접속체결 부재는 제 1 개구부를 관통하고 제 2 접속체결 부재는 제 2 개구부를 관통하며, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재가 모듈 케이스, PCB 및 전극단자에 각각 형성된 제 1 개구부 및 제 2 개구부를 일직선으로 관통할 수 있도록, 모듈 케이스, PCB 및 전극단자에 형성된 제 1 개구부들 및 제 2 개구부들은 각각 일직선 상에 정렬되어 형성되어 있는 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재는 전기 도전성 소재로 구성되어 있는 것을 특징으로 하는 전지팩.
- 제 11 항에 있어서, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재 는, 볼트(bolt) 머리 및 외부에 나사산이 형성되어 있는 볼트 몸체를 포함하는 볼트 구조이고, 모듈 케이스, PCB 및 전극단자와 볼팅(bolting) 고정된 후 상기 볼트 머리가 외부 입출력 단자로 활용되는 것을 특징으로 하는 전지팩을 특징으로 하는 전지팩.
- 제 12 항에 있어서, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재 는 상기 전지팩이 장착되는 디바이스의 장착부까지 볼팅 고정하는 것을 특징으로 하는 전지팩.
- 제 1 항에 있어서, 상기 외부 입출력 단자를 제외한 PCM과 전지셀의 외면을 감싸는 형태로 라벨이 부착되어 있는 것을 특징으로 하는 전지팩.
- 양극과 음극 사이에 분리막이 개재되어 있는 구조의 전극조립체가 전해액과 함께 전지 케이스의 내부에 밀봉되어 있는 판상형의 전지셀의 밀봉 잉여부 상에 탑재되는 보호회로 모듈(PCM)로서,PCB(보호회로 인쇄 기판), 전지셀의 일측 전극단자와 PCB 사이에 전기적으로 연결되어 있거나 또는 상기 PCB 상에 탑재된 안전소자, 및 상기 PCB 및 안전소자를 감싸고 있는 전기절연성의 모듈 케이스를 포함하고,상기 모듈 케이스는 PCB 및 안전소자가 수납되는 조립식 체결 구조의 상부 케이스 및 하부 케이스를 포함하고,상기 모듈 케이스, PCB 및 전극단자에는 제 1 접속체결 부재 및 제 2 접속부재가 관통할 수 있는 크기의 제 1 개구부 및 제 2 개구부가 각각 형성되어 있으며,상기 PCB는 상부 케이스 및 하부 케이스에 수납된 상태로 전지셀의 밀봉 잉여부 상에 탑재되고, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재에 의해 전지셀의 전극단자들과 결합되어 전기적으로 연결되는 것을 특징으로 하는 보호회로 모듈.
- 제 15 항에 있어서, 상기 제 1 접속체결 부재는 제 1 개구부를 관통하고 제 2 접속체결 부재는 제 2 개구부를 관통하며, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재가 모듈 케이스, PCB 및 전극단자에 각각 형성된 제 1 개구부 및 제 2 개구부를 일직선으로 관통할 수 있도록, 모듈 케이스, PCB 및 전극단자에 형성된 제 1 개구부들 및 제 2 개구부들은 각각 일직선 상에 정렬되어 형성되어 있는 것을 특징으로 하는 보호회로 모듈.
- 제 15 항에 있어서, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재는 전기 도전성 소재로 구성되어 있는 것을 특징으로 하는 보호회로 모듈.
- 제 17 항에 있어서, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재 는, 볼트(bolt) 머리 및 외부에 나사산이 형성되어 있는 볼트 몸체를 포함하는 볼트 구조이고, 모듈 케이스, PCB 및 전극단자와 볼팅(bolting) 고정된 후 상기 볼트 머리가 외부 입출력 단자로 활용되는 것을 특징으로 하는 전지팩을 특징으로 하는 보호회로 모듈.
- 제 18 항에 있어서, 상기 제 1 접속체결 부재 및 제 2 접속체결 부재 는, 상기 전지팩이 장착되는 디바이스의 장착부까지 볼팅 고정하는 것을 특징으로 하는 보호회로 모듈.
- 제 1 항 내지 제 14 항 중 어느 하나에 따른 전지팩을 제조하는 방법으로서,(a) PCB를 모듈 케이스에 장착하는 과정;(b) PCM을 전지셀의 밀봉 잉여부 상에 탑재하는 과정;(c) 제 1 접속체결 부재 및 제 2 접속체결 부재를 제 1 개구부 및 제 2 개구부에 각각 조립 체결하는 과정;(d) PCM과 전지셀의 외면을 감싸는 형태로 라벨을 부착하는 과정;을 포함하는 것을 특징으로 하는 전지팩 제조방법.
- 제 1 항 내지 제 14 항 중 어느 하나에 따른 전지팩을 전원으로 포함하는 것을 특징으로 하는 모바일 디바이스.
- 제 21 항에 있어서, 상기 모바일 디바이스는 휴대폰, 노트북 컴퓨터, 넷북, 태플릿 PC 또는 스마트 패드인 것을 특징으로 하는 모바일 디바이스.
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JP2016517542A JP6185659B2 (ja) | 2013-09-30 | 2014-09-22 | 保護回路モジュール、電池パック、モバイルデバイス、及び電池パックの製造方法 |
US15/024,889 US9929442B2 (en) | 2013-09-30 | 2014-09-22 | Battery pack having PCM case |
EP14848463.7A EP3038191B1 (en) | 2013-09-30 | 2014-09-22 | Battery pack comprising protection circuit module case |
CN201480053475.5A CN105580163B (zh) | 2013-09-30 | 2014-09-22 | 具有pcm壳体的电池组 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3182485A1 (en) * | 2015-12-15 | 2017-06-21 | Xiaomi Inc. | Protective main board for battery cell, electronic terminal and method for assembling battery cell of electronic terminal |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10355317B2 (en) * | 2016-11-29 | 2019-07-16 | Microsoft Technology Licensing, Llc | Battery circuit in sealed pouch |
KR102429345B1 (ko) | 2016-12-23 | 2022-08-04 | 삼성전자주식회사 | 피씨엠 케이스 및 그것을 포함하는 전자 장치 |
KR102168675B1 (ko) | 2017-09-28 | 2020-10-21 | 주식회사 엘지화학 | 보호회로모듈을 구비한 파우치형 이차전지 팩 |
CN111029508A (zh) * | 2019-12-30 | 2020-04-17 | 维沃移动通信有限公司 | 一种电池组件及电子设备 |
CN113206285B (zh) * | 2021-03-29 | 2022-12-09 | 东莞新能德科技有限公司 | 电池 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001093496A (ja) * | 1999-07-19 | 2001-04-06 | Toshiba Battery Co Ltd | 扁平電池の収容ケース及びそれを用いた電池パック |
KR100770106B1 (ko) * | 2006-10-24 | 2007-10-24 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
JP2011086623A (ja) * | 2009-10-13 | 2011-04-28 | Samsung Sdi Co Ltd | 二次電池 |
KR101227870B1 (ko) * | 2011-08-12 | 2013-01-31 | 주식회사 엘지화학 | 보호회로모듈 케이스를 포함하는 이차전지 팩 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1131486A (ja) * | 1997-07-08 | 1999-02-02 | Ricoh Co Ltd | 扁平型電池 |
JP3503516B2 (ja) * | 1999-02-25 | 2004-03-08 | 三菱電機株式会社 | 薄型電池、電子機器及び薄型電池の製造方法 |
JP3940255B2 (ja) * | 2000-08-01 | 2007-07-04 | 三菱電機株式会社 | 電池および携帯機器 |
JP4616005B2 (ja) | 2002-12-25 | 2011-01-19 | 富士重工業株式会社 | 蓄電装置 |
JP4902133B2 (ja) | 2005-04-20 | 2012-03-21 | 三洋電機株式会社 | パック電池 |
KR100948970B1 (ko) * | 2006-03-13 | 2010-03-23 | 주식회사 엘지화학 | 완충부재가 설치되어 있는 중대형 전지모듈 |
KR100889241B1 (ko) | 2006-10-23 | 2009-03-17 | 주식회사 엘지화학 | 전지모듈의 전극단자 접속부재 |
EP2212940B1 (en) * | 2007-11-23 | 2015-02-25 | LG Chem, Ltd. | Secondary battery pack providing excellent productivity and structural stability |
BRPI0820355B1 (pt) | 2007-11-29 | 2021-04-20 | Lg Chem, Ltd | pacote de bateria secundária de estrutura compacta |
KR101084982B1 (ko) * | 2008-10-14 | 2011-11-18 | 주식회사 엘지화학 | 신규한 구조의 이차전지 팩 |
KR101156240B1 (ko) * | 2009-12-08 | 2012-06-13 | 삼성에스디아이 주식회사 | 이차전지 |
KR101198026B1 (ko) * | 2010-12-02 | 2012-11-06 | 주식회사 엘지화학 | 신규한 구조의 이차전지 팩 |
US20120171556A1 (en) | 2010-12-29 | 2012-07-05 | Jongpil Kim | Secondary battery |
KR101275811B1 (ko) * | 2011-05-19 | 2013-06-18 | 삼성에스디아이 주식회사 | 전지 팩 |
KR20130016034A (ko) * | 2011-08-04 | 2013-02-14 | 주식회사 엘지화학 | 안전성이 향상된 이차전지 팩 |
KR20130018477A (ko) * | 2011-08-09 | 2013-02-25 | 주식회사 엘지화학 | 신규한 구조의 이차전지 팩 |
KR20130018478A (ko) | 2011-08-09 | 2013-02-25 | 주식회사 엘지화학 | 신규한 구조의 이차전지 팩 |
-
2013
- 2013-09-30 KR KR1020130116472A patent/KR101684349B1/ko active IP Right Grant
-
2014
- 2014-09-22 CN CN201480053475.5A patent/CN105580163B/zh active Active
- 2014-09-22 US US15/024,889 patent/US9929442B2/en active Active
- 2014-09-22 JP JP2016517542A patent/JP6185659B2/ja active Active
- 2014-09-22 WO PCT/KR2014/008768 patent/WO2015046832A1/ko active Application Filing
- 2014-09-22 EP EP14848463.7A patent/EP3038191B1/en active Active
- 2014-09-26 TW TW103133542A patent/TWI572080B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001093496A (ja) * | 1999-07-19 | 2001-04-06 | Toshiba Battery Co Ltd | 扁平電池の収容ケース及びそれを用いた電池パック |
KR100770106B1 (ko) * | 2006-10-24 | 2007-10-24 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
JP2011086623A (ja) * | 2009-10-13 | 2011-04-28 | Samsung Sdi Co Ltd | 二次電池 |
KR101227870B1 (ko) * | 2011-08-12 | 2013-01-31 | 주식회사 엘지화학 | 보호회로모듈 케이스를 포함하는 이차전지 팩 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3038191A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3182485A1 (en) * | 2015-12-15 | 2017-06-21 | Xiaomi Inc. | Protective main board for battery cell, electronic terminal and method for assembling battery cell of electronic terminal |
CN106887562A (zh) * | 2015-12-15 | 2017-06-23 | 小米科技有限责任公司 | 电芯的保护主板、电子终端和电子终端用电芯的组装方法 |
US10587013B2 (en) | 2015-12-15 | 2020-03-10 | Xiaomi Inc. | Protective main board for battery cell, electronic terminal and method for assembling battery cell of electronic terminal |
CN106887562B (zh) * | 2015-12-15 | 2020-12-04 | 小米科技有限责任公司 | 电芯的保护主板、电子终端和电子终端用电芯的组装方法 |
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Publication number | Publication date |
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CN105580163B (zh) | 2017-12-08 |
US20160240892A1 (en) | 2016-08-18 |
JP6185659B2 (ja) | 2017-08-23 |
US9929442B2 (en) | 2018-03-27 |
KR20150037154A (ko) | 2015-04-08 |
TWI572080B (zh) | 2017-02-21 |
KR101684349B1 (ko) | 2016-12-08 |
CN105580163A (zh) | 2016-05-11 |
JP2016532247A (ja) | 2016-10-13 |
EP3038191B1 (en) | 2018-10-31 |
EP3038191A1 (en) | 2016-06-29 |
EP3038191A4 (en) | 2016-08-31 |
TW201535836A (zh) | 2015-09-16 |
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