WO2005096412A1 - フィルム外装電気デバイス、枠部材およびフィルム外装電気デバイス収納システム - Google Patents
フィルム外装電気デバイス、枠部材およびフィルム外装電気デバイス収納システム Download PDFInfo
- Publication number
- WO2005096412A1 WO2005096412A1 PCT/JP2005/006081 JP2005006081W WO2005096412A1 WO 2005096412 A1 WO2005096412 A1 WO 2005096412A1 JP 2005006081 W JP2005006081 W JP 2005006081W WO 2005096412 A1 WO2005096412 A1 WO 2005096412A1
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- WIPO (PCT)
- Prior art keywords
- film
- electric device
- frame member
- container
- covered
- Prior art date
Links
- 239000010408 film Substances 0.000 claims description 34
- 238000003860 storage Methods 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000013039 cover film Substances 0.000 claims description 3
- 239000005001 laminate film Substances 0.000 abstract description 11
- 238000010248 power generation Methods 0.000 description 33
- 238000000034 method Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000002648 laminated material Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
-
- 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
- H01M10/0486—Frames for plates or membranes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
- H01G11/12—Stacked hybrid or EDL capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/14—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
- H01G11/18—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
- H01G11/76—Terminals, e.g. extensions of current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/80—Gaskets; Sealings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
-
- 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
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- H—ELECTRICITY
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- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
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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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/227—Organic 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
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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
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
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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
- Y02E60/13—Energy storage using capacitors
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the present invention relates to a film-covered electric device, a frame member, and a film-covered electric device storage system.
- the characteristics of a battery are affected by the expansion and contraction of the active materials of the positive electrode and the negative electrode during charge and discharge. Therefore, conventionally, the battery has been housed in a metal container to suppress deformation.
- Japanese Patent Application Laid-Open No. H10-012278 discloses a method in which a power generating element composed of stacked electrode groups is provided with a plurality of U-shaped cross-sections inside two opposing surfaces. It discloses a method of housing the holding member having a projection.
- Japanese Patent Application Laid-Open No. 2000-357493 discloses a method of protecting a battery element from a box. A battery with a frame which is housed in a frame having a shape is disclosed.
- the technique of applying pressure to the power generating element with a pressing member or the like having a plurality of projections while applying force is such that the life in the power generating element depends on where the pressure is applied by the pressing member and where it is not.
- a method of storing the battery element in a box is preferable in terms of protection against impact force.
- a box having a configuration that covers the entire surface of the battery element is prepared for each battery, and this is assembled into a battery and mounted on an electric vehicle, etc., resulting in an increase in weight, an increase in occupied volume, and cooling.
- a new problem may occur as the characteristics deteriorate.
- the present invention provides a lightweight film-covered electric device, a frame member, and a film-covered electric device that can apply uniform pressure to a power generation element even when housed in a container as an assembled battery. It is intended to provide a storage system.
- a film-covered electric device is a film-covered electric device having an electric device element and a package film surrounding the electric device element. Electric device elements so as to surround the A frame member having a first portion that holds and is thicker than a thickness of the electric device element.
- the film-covered electric device of the present invention has a frame member having a first portion thicker than the thickness of the electric device element.
- the first portions of the frame members can be brought into contact with each other and stacked. Therefore, even when the battery is assembled, the electric device element can be held in a state where only a uniform atmospheric pressure is applied to the electric device element. Therefore, it is possible to prevent the life of the battery from being shortened due to uneven pressure being applied to the electric device element.
- the frame member holds the power generating element such that a frame that does not cover the power generating element like a box surrounds the outer periphery of the power generating element.
- the weight increases because it covers all the power generating elements.
- the frame member of the present invention only surrounds the outer peripheral portion of the power generating element, it is possible to suppress an increase in weight.
- the frame member of the film-covered electric device of the present invention may be disposed in an outer film. In this case, the film-covered electric device and the frame member can be integrally handled. . Further, the frame member of the film-covered electric device of the present invention may be arranged outside the outer film. In this case, the frame member can be easily attached / detached as necessary with the film-covered electric device.
- the frame member of the film-covered electrical device of the present invention may have a second portion that is thinner than the first portion.
- the second portion when the battery is assembled by stacking, it is possible to use the second portion as an air vent, and it is possible to prevent a reduction in heat radiation characteristics due to stacking of the batteries.
- the frame member of the film-covered electric device of the present invention may be one in which an electrode extending from the electric device element is fixed to the frame member! /.
- the frame member of the film-covered electric device of the present invention may be one in which the divided frame members sandwich the electrode, or in the case where the frame member is arranged outside the outer film.
- the divided frame member sandwiches a heat-sealing area for sealing the electric device element by opposing surfaces of the exterior film being heat-sealed around the electric device element.
- the frame member of the film-covered electric device of the present invention has a guide portion for guiding gas released when the internal pressure in the region sealed by the package film is released. Is also good. In this case, when the internal pressure in the region sealed with the exterior film increases due to some abnormality and the safety valve gas is released, the gas can be guided in a predetermined direction.
- the frame member of the present invention is a film-covered electric device for fixing a film-covered electric device having an electric device element and an outer film surrounding the electric device element in a container.
- the frame member of the present invention may have a second portion thinner than the first portion. Further, the frame member of the present invention is divided so as to sandwich a sealing region for sealing the electric device element by heat-sealing the opposing surfaces of the exterior film around the electric device element. It may be. Furthermore, the frame member of the present invention may have a guide portion for guiding gas released when the internal pressure in the region sealed by the exterior film of the film exterior electric device is released. Good.
- the film-covered electric device storage system of the present invention is a film-covered electric device for storing a plurality of film-covered electric devices having an electric device element and an outer film surrounding the electric device element in a container.
- a substantially first portion of a film-covered electrical device comprising: a frame member that surrounds and holds an electrical device element and has a first portion that is thicker than a thickness of the electrical device element.
- An assembled battery formed by contacting and abutting a contact portion of a frame member having a thickness of and a contact portion of an adjacent film-covered electric device is housed in a container.
- the contact portions of the frame member having substantially the thickness of the first portion of the frame member are brought into contact with each other. Contact and laminate. Therefore, according to the present invention, even when the film-covered electric devices are stacked to form a battery pack, the electric device elements can be held in a state where only a uniform atmospheric pressure is applied to the electric device elements. That is, the present invention can prevent the life of the battery from being shortened due to uneven pressure being applied to the electric device elements.
- the film-covered electric device of the present invention is arranged such that the frame member disposed outside the cover film releases the internal pressure in a region sealed by the cover film of the film-covered electric device when the internal pressure is released.
- the container may have a guide portion for guiding the supplied gas, and the container may have a duct for collecting the gas envisaged by the guide portion into at least one place and discharging the gas to the outside of the container.
- the released gas can be exhausted in a predetermined direction outside the container by the duct, so that the adverse effects of the gas can be prevented from affecting the peripheral devices.
- the container of the film-covered electric device of the present invention may have a duct at a position corresponding to each guide of the battery pack composed of the film-covered electric device having the guide at the same position.
- it has a duct on the side wall of the container.
- the container of the film-covered electric device of the present invention has a lid provided with a pressing portion for pressing the frame member of the battery pack housed in the container toward the bottom surface of the container on which the battery pack is placed. May be provided.
- the plurality of protrusions made of resin formed on the side wall of the container are formed in the plurality of holes formed in the lid, at positions corresponding to each protrusion.
- the lid may be fixed to the container by penetrating each formed hole and pressing each protrusion protruding from each hole by thermal force. Further, the thermal pressing may be performed in a state where the pressing portion presses the frame member with a predetermined pressing force. In this case, the frame member holding the film-covered electric device is pressed by the pressing portion of the lid, and the force is fixed by thermal force. Therefore, the film-covered electric device is securely and easily fixed to the container. Can be.
- FIG. 1 is a schematic external perspective view of a laminated battery according to a first embodiment of the present invention.
- FIG. 2 is a schematic exploded perspective view of the laminated battery shown in FIG. 1.
- FIG. 3a is a cross-sectional view taken along line AA of FIG. 1.
- FIG. 3b is a perspective plan view of the laminated battery.
- FIG. 4 is a schematic side view of a configuration in which the laminated batteries according to the first embodiment of the present invention are stacked to form an assembled battery.
- FIG. 5 is a sectional view showing another example of the sectional shape of the frame member.
- FIG. 6 is a schematic exploded perspective view of a laminated battery according to a second embodiment of the present invention.
- FIG. 7 is an exploded perspective view of a storage case capable of storing a laminated battery according to the second embodiment in a battery pack.
- FIG. 8 is a side sectional view of the storage case shown in FIG. 7, which stores the battery pack.
- FIG. 1 is a schematic perspective view of the laminated battery of the present embodiment
- FIG. 2 is a schematic exploded perspective view of the laminated battery of the present embodiment.
- FIG. 3a is a cross-sectional view taken along line AA of FIG. 1, and FIG. 3b is a perspective plan view of the laminated battery of the present embodiment.
- the laminated battery 1 of the present embodiment is arranged so as to surround a power generation element 2 having a positive electrode active electrode, a negative electrode active electrode, and an electrolytic solution, and an outer periphery of the power generation element 2;
- a frame member 10 having a first portion 10f thicker than the frame member 10 and a laminated film 7 formed by laminating a metal film such as aluminum and a heat-fusible resin film are formed on the four sides of the heat-fused portion 7a. It has a sealed structure by heat-sealing.
- the power generation element 2 of the laminated battery 1 may be a stacked type including a positive electrode side active electrode and a negative electrode side active electrode laminated via a separator (not shown), or a strip-shaped positive electrode side.
- the active electrode and the negative electrode side active electrode are overlapped with a separator interposed therebetween, and then wound, and then compressed into a flat shape, thereby forming a structure in which the positive electrode side active electrode and the negative electrode side active electrode are alternately laminated. There may be.
- any power generation element 2 used for a normal battery can be applied as long as it includes a positive electrode, a negative electrode, and an electrolyte.
- a power generating element 2 of a general lithium ion secondary battery is composed of a positive electrode plate in which a positive electrode active material such as lithium manganese composite oxide and lithium cobalt oxide is coated on both sides of an aluminum foil or the like, and a lithium doped lithium oxide.
- a negative electrode plate coated with a carbon material capable of being covered on both sides of a copper foil or the like is opposed to each other via a separator, and is impregnated with an electrolyte containing a lithium salt.
- the power generating element 2 may be a power generating element 2 of another type of chemical battery such as a nickel metal hydride battery, a nickel cadmium battery, a lithium metal primary battery or a secondary battery, and a lithium polymer battery.
- the present invention relates to a capacitor such as a capacitor such as an electric double-layer capacitor or an electrolytic capacitor, which is capable of accumulating electric energy therein and generating gas by a danigami reaction or a physical reaction. It is also applicable to electrical devices in which device elements are sealed with an exterior film.
- a positive electrode terminal 3 connected to the positive active electrode and a negative electrode terminal 4 connected to the negative active electrode are opposed to each other from the heat-sealed portion 7a in the short direction of the laminated battery 1. And extended.
- Aluminum is often used for the positive electrode terminal 3, and copper or nickel is often used for the negative electrode terminal 4 due to its electrical characteristics.
- the frame member 10 is used to fix and hold the assembled battery to a storage container or the like while preventing a strong local pressure from being applied to the main surface 2a of the power generation element 2, that is, the electrode surface. belongs to.
- the frame member 10 is dividable in the thickness direction of the power generating element 2, and has two frame portions 10a joined to face each other.
- the frame portion 10a has a frame shape including a short side portion 10b corresponding to the positive electrode terminal 3 and the negative electrode terminal 4, and a long side portion 10c corresponding to the longitudinal direction of the power generating element 2. . That is, the frame 10a has a configuration in which the power generating element 2 can be arranged in a space 10d surrounded by four sides of the short side 10b and the long side 10c. Also, the frame portion 10a has a lightened structure for light weight dangling.
- the power generating element 2 is formed by extending the positive electrode terminal 3 and the negative electrode terminal 4 to the outside and sandwiching the positive electrode terminal 3 and the negative electrode terminal 4 therebetween.
- a holding portion 10e for holding is formed.
- FIG. 2 shows the frame portion 10a in which the holding portion 10e is formed on the inner and outer edges 10h of the short side portion 10b.
- the force is not limited to this.
- the part 10e may be formed.
- the holding portion 10e may have a configuration in which the inner and outer edges 10h are connected by a surface, and the surface may hold the electrode. Further, the positive electrode terminal 3 and the negative electrode terminal 4 are provided with a step so that the positive electrode terminal 3 and the negative electrode terminal 4 do not move in the insertion direction. However, some of them may be provided with a non-slip member such as a rubber member in the holding portion 10e.
- the frame portion 10a is thicker than the thickness h of the power generation element 2 by joining the two frame portions 10a to face each other to form the frame member 10. It has a first portion 10f and a second portion 10g in which the thickness of the first portion 10 is also reduced.
- the second portion 10g is a state in which the two frame portions 10a are joined to face each other to form the frame member 10, and the thickness thereof is larger than the thickness h of the power generation element 2! It's thin!
- the first portion 10f is disposed on both ends of the short side portion 10b and the long side portion 10c, and the second portion 10g is disposed substantially at the center of the long side portion 10c. Note that the arrangement of the first part 10f and the second part 10g is not limited to this.If it is possible to apply atmospheric pressure as a uniform pressure to the main surface 2a of the power generating element 2, Any arrangement is possible.
- the first portion 10f of the frame member 10 holding the power generating element 2 is connected to the adjacent laminated battery 1f.
- the first part 10f of the power generating element 2 is held at a position where it can hold each other by applying a uniform atmospheric pressure without contact between the main surfaces 2a of the adjacent power generating elements 2. If so, how are they arranged!
- the second portion 10g is provided for the purpose of ventilation so that heat dissipation in each battery is not hindered by stacking the laminated batteries 1. Therefore, the second portion 10g does not obstruct the achievement of the purpose of the first portion 10f described above, and Any position may be used as long as the cooling air can be applied to the power generation element 2.
- the power generating element 2 is positioned so as to be disposed in the space 10d of the two frame portions 10a facing each other.
- the positive electrode terminal 3 and the negative electrode terminal 4 extending from the power generation element 2 are sandwiched and fixed by the sandwiching portions 10e of the two frame portions 10a facing each other.
- the frame portions 10a may be fixed to each other by fixing the engagement claws to the one frame portion 10a and the engagement holes of the other frame portion 10a, or by fixing with an adhesive. May be.
- the frame portions 10a need only be fixed so as not to cause a positional shift, the position is determined by the positioning protrusion of one frame portion 10a and the positioning hole of the other frame portion 10a. A configuration in which only adjustment is performed may be adopted.
- a force cup portion 7b is formed on each of the laminated films 7 in which a cup portion 7b for accommodating the power generating element 2 and the frame member 10 is formed in advance.
- a sheet-like laminated film 7 may be used!
- the positive electrode terminal 3 and the negative electrode terminal 4 are in a state of being extended toward the heat-fused portion 7a. Thereafter, three sides of the heat-sealed portion 7a of the laminate film 7 are heat-sealed. After three sides are heat-sealed, vacuum is drawn. After evacuation, the remaining one side is heat-sealed to seal the power generation element 2.
- the cup portion 7b of the laminate film 7 is generally deformed into a shape following the first portion 10f and the second portion 10g of the frame member 10 and the main surface 2a of the power generation element 2.
- the power generation element 2 of the laminated battery 1 configured as described above holds the positive electrode terminal 3 and the negative electrode terminal 4 sandwiched by the sandwiching portions 10e of the two frame portions 10a.
- no force for holding the power generating element 2 is applied to the main surface 2a of the power generating element 2. That is, the main surface 2a of the power generation element 2 is in a state where a uniform pressure is applied by the atmospheric pressure.
- the non-uniform pressure is applied to the main surface of the power generation element, which has been a problem in the past, and the life is partially shortened. If the battery life is shortened due to this!
- the frame member 10 is provided in the laminate film 7, the frame member 10 can be integrally handled as a battery, which facilitates the handling.
- the frame member 10 since the frame member 10 only surrounds the outer peripheral portion of the power generation element 2, it is possible to achieve a lighter weight than a box-shaped protection member that covers the entire power generation element.
- FIG. 4 shows a schematic side view of a configuration in which the laminated batteries 1 of the present embodiment are stacked to form an assembled battery.
- the thickness h of the first portion 10f of the frame 10 is larger than the thickness h of the power generation element 2.
- the laminated type batteries 1 are laminated so that the first portions 10f abut against each other and are stored in a storage case (not shown). Since the stacked batteries 1 are stacked so that the first portions 10f abut each other, a uniform atmospheric pressure is applied to the main surface 2a of the power generating element 2. State. Also, since the second portion 10g is formed thinner than the thickness h of the first portion 10f, the battery is stacked.
- a vent 20 is formed.
- the cooling air can be applied to the power generation element 2 through the ventilation port 20, so that the power generation element 2 is efficiently cooled.
- the cross-sectional shape of the frame portion 10a constituting the frame member 10 is not limited to a rectangular shape.
- the shoulder portion 21 has a shape formed by a gentle curved surface. Is also good. In this case, when sealing with the laminate film 7, the laminate film 7 can be prevented from being locally large and tensile force applied.
- FIG. 6 is a schematic exploded perspective view of the laminated battery of the present embodiment.
- the frame member 10 holding the power generation element 2 is sealed in the laminate film 7 together with the power generation element 2, but the frame member 30 of the present embodiment is different from the first embodiment. It is placed outside the laminate film 47.
- the purpose of the frame member 30 of the present embodiment is also similar to that of the frame member 10 of the first embodiment, in that the main surface 42a of the power generation element 42 is used when holding the battery without increasing the weight. The purpose is to prevent strong pressure from being applied locally.
- the configuration is basically the same as that of the frame member 10. That is, the frame member 30 is The first portion 30f is arranged so as to surround the outer periphery of the power generation element 42, and is thicker than the thickness of the power generation element 42. The frame member 30 is dividable in the thickness direction of the power generating element 42, and has two frame portions 30a to be joined together.
- the frame portion 30a has a first portion 30f that is thicker than the thickness of the power generation element 42 by being joined face to face. Further, the frame portion 30a has a short side portion 30b formed with a holding portion 30e for sandwiching and fixing the positive electrode terminal 43 and the negative electrode terminal 44, and a long side corresponding to the longitudinal direction of the power generation element 42. It has the shape of a frame that can be powerful with the part 30c.
- the frame portion 30a has a configuration in which the power generation element 42 can be arranged in a space portion 30d surrounded by four sides of a short side portion 30b and a long side portion 30c.
- the frame member 30 since the frame member 30 is disposed outside the laminate film 47, the frame member 30 can be attached and detached as necessary.
- the laminated battery 41 has a safety valve 42 at the heat-sealed portion 47a. Since the other structure is the same as that of the laminated battery 1 described in the first embodiment, detailed description is omitted. I do.
- the laminated battery 41 is provided with a safety valve 42. When the internal pressure increases, gas is released from the safety valve 42.
- the safety valve 42 can regulate the direction in which the gas is released, it cannot guide the released gas to the outside without adversely affecting peripheral devices and the like.
- an exhaust guide 31 for guiding gas released from the battery to the outside is formed in the long side portion 30c.
- the exhaust guide 31 is provided so that a part of the inner wall 30cl of the long side portion 30c is cut out and a part of the outer wall 30c2 of the long side portion 30c protrudes. It communicates with the outside of 30a.
- Exhaust guy The gate 31 is formed at a position corresponding to the safety valve 42 provided on the laminated battery 41. That is, as shown in FIG.
- the safety valve 42 in the case of the configuration in which the safety valve 42 is provided in the heat-sealed portion 47a, if the safety valve 42 is sandwiched by the inner wall 30cl or the outer wall 30c2, the safety valve 42 is released when the internal pressure is released. May not be opened and the gas may not be released. Therefore, it is preferable that the positions of the safety valve 42 and the exhaust guide 31 correspond to each other so that the released gas can be guided to the outside without obstructing the function of the safety valve 42.
- the exhaust guide 31 is formed at the same position on all the frame members 30. Thus, when the laminated batteries 41 are stacked, the positions of the exhaust guides 31 are aligned. Then, the exhaust guide 31 is easily stored in the duct 71 described later.
- FIG. 7 shows an exploded perspective view of a storage case that can store the laminated battery of the present embodiment that is assembled into a battery pack.
- FIG. 8 shows a side sectional view of a storage case storing the battery pack.
- FIG. 7 shows an example in which three laminated batteries 42 held by the frame member 30 are stacked.
- the stacking direction is such that the exhaust guides 31 of the frame member 30 are aligned.
- the side wall 75 of the storage case 70 has a shape along the outer periphery of the frame member 30, and a duct 71 is formed at a position corresponding to the exhaust guide 31 of the frame member 30.
- the side wall 75 is connected to the electrode terminal 43 for the positive electrode and the electrode terminal 44 for the negative electrode and the side wall 75 in order to enable connection of electrode terminals between the adjacent laminated batteries 42 or electrical connection with the outside.
- An electrode outlet 74 is formed to prevent interference.
- a plurality of projections 73 for fixing a lid 50 described later by heat caulking are formed on the upper end 76 of the side wall 75. Since the projections 73 are thermally pressed as described later, they are preferably formed of resin.
- the duct 71 is formed so as to communicate from the bottom surface 78 to the upper end 76 of the storage case 70.
- the exhaust guide 31 is stored.
- the length of the duct 71 in the protruding direction is greater than the length of the exhaust guide 31 so that a gas passage 77 shown in FIG. 8 is formed between the duct 71 and the exhaust guide 31. It is longer than the length in the direction.
- the gas that has passed through the gas passage 77 is provided above the duct 71 outside the storage case 70.
- a pipe or pipe (not shown) is connected to the outlet 72 to discharge gas to the outside.
- a pressing portion 52 conforming to the shape of the frame member 30 is provided so as to protrude.
- the pressing portion 52 fixes the battery 80 in the storage case 70 by pressing the frame member 30 arranged at the uppermost stage of the battery pack 80 toward the bottom surface 78 of the storage case 70. Therefore, the shape of the frame member 30 should conform to the shape of the frame member 30 as long as it can abut the main surface 42a of the power generating element 42 and can apply a substantially uniform pressing force to the frame member 30. It does not have to be.
- a ladder-like member arranged in the long side direction or the short side direction of the frame member 30 may be used, or the four corners (or more places) of the frame member 30 may be fixed by pressing upward force. It may be a projecting shape.
- the lid 50 has a hole 51 formed in a shape corresponding to the projection 73 and at a position corresponding to the projection 73.
- the frame member 30 shown in Fig. 6 does not show a portion corresponding to the second portion 10g having a reduced thickness shown in the first embodiment, the frame member 30 is not shown when the battery is assembled. In consideration of heat radiation characteristics, a portion corresponding to the second portion 10g may be formed.
- the storage case 70 of the present embodiment is the same as the frame member 10 described in the first embodiment.
- the laminated battery 1 provided in 7 can also be stacked and stored.
- the first of the frame members 10 Although the portions lOf do not directly contact each other, the first portions 10f of the frame member 10 are substantially brought into contact with each other via the laminating film 7 and laminated.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2006511730A JP5022031B2 (ja) | 2004-03-31 | 2005-03-30 | フィルム外装電気デバイス、枠部材およびフィルム外装電気デバイス収納システム |
EP20050727483 EP1744383B1 (en) | 2004-03-31 | 2005-03-30 | Electrical device with film covering and frame member |
US11/547,201 US7597992B2 (en) | 2004-03-31 | 2005-03-30 | Film covered electrical device, frame member, and housing system for film covered electrical device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-107383 | 2004-03-31 | ||
JP2004107383 | 2004-03-31 |
Publications (1)
Publication Number | Publication Date |
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WO2005096412A1 true WO2005096412A1 (ja) | 2005-10-13 |
Family
ID=35064088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/006081 WO2005096412A1 (ja) | 2004-03-31 | 2005-03-30 | フィルム外装電気デバイス、枠部材およびフィルム外装電気デバイス収納システム |
Country Status (6)
Country | Link |
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US (1) | US7597992B2 (ja) |
EP (1) | EP1744383B1 (ja) |
JP (2) | JP5022031B2 (ja) |
KR (1) | KR100872616B1 (ja) |
CN (1) | CN100490215C (ja) |
WO (1) | WO2005096412A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
EP1744383A1 (en) | 2007-01-17 |
KR20070012809A (ko) | 2007-01-29 |
EP1744383A4 (en) | 2010-02-17 |
JP2012028353A (ja) | 2012-02-09 |
CN1961438A (zh) | 2007-05-09 |
JP5390580B2 (ja) | 2014-01-15 |
KR100872616B1 (ko) | 2008-12-09 |
US20080171259A1 (en) | 2008-07-17 |
JPWO2005096412A1 (ja) | 2008-02-21 |
JP5022031B2 (ja) | 2012-09-12 |
EP1744383B1 (en) | 2014-05-07 |
US7597992B2 (en) | 2009-10-06 |
CN100490215C (zh) | 2009-05-20 |
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