WO2006057291A1 - 蓄電体セルのパッケージ構造 - Google Patents
蓄電体セルのパッケージ構造 Download PDFInfo
- Publication number
- WO2006057291A1 WO2006057291A1 PCT/JP2005/021569 JP2005021569W WO2006057291A1 WO 2006057291 A1 WO2006057291 A1 WO 2006057291A1 JP 2005021569 W JP2005021569 W JP 2005021569W WO 2006057291 A1 WO2006057291 A1 WO 2006057291A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power storage
- cell
- frame
- frame body
- sealing
- Prior art date
Links
- 230000005611 electricity Effects 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 210000004027 cell Anatomy 0.000 claims description 69
- 210000000352 storage cell Anatomy 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 abstract description 26
- 238000010008 shearing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 208000003251 Pruritus Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/42—Grouping of primary cells into batteries
- H01M6/46—Grouping of primary cells into batteries of flat cells
-
- 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
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/06—Mounting in containers
-
- 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
- H01G9/10—Sealing, e.g. of lead-in wires
-
- 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
- H01G9/26—Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices with each other
-
- 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
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- 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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- 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
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
- H01M50/529—Intercell connections through partitions, e.g. in a battery casing
-
- 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
-
- 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
Definitions
- the present invention relates to a package structure for a power storage cell that improves the seismic resistance of a power storage cell while reducing the size of the receptacle.
- Such a planar power storage cell is often used as a power source for a hybrid vehicle or an electric vehicle, which is often used as a battery pack in which a plurality of stacked battery cells are stacked. It is necessary to ensure durability against vibration.
- each power storage cell is stored in a frame, and a plurality of frames storing the power storage cells are stacked to form a battery pack.
- a frame is divided into two members, and the two members are opposed to each other so that the power storage unit and the sealing unit of the power storage cell It is possible to adopt a structure in which the two are pressed and held in a plane.
- a storage battery cell knock structure is a planar power storage unit having a power storage unit and a sealing unit that seals the power storage unit and extends around the power storage unit.
- a package structure of a power storage battery cell in which a cell is housed and packaged a first frame for pressing the power storage unit on one side, and the power storage facing the first frame And a second frame for pressing the force on the other side, and storing the sealing portion in a bent state in the first frame and the second frame.
- a holding structure that can be fitted in the pressing direction of the power storage unit in a state where the end of the sealing unit is sandwiched is provided.
- the holding structure is configured by a gap portion that is housed in a state where the sealing portion is bent, and a wall surface portion that can be fitted in the pressing direction of the power storage portion while sandwiching the end portion of the sealing portion. Is possible.
- FIG. 1 is a perspective view of a power storage package.
- FIG. 2 Perspective view of power storage cells connected in series
- FIG. 4 is an explanatory diagram showing a clamping state when the sealing portion of the battery cell is longer than the reference
- FIG. 5 is an explanatory diagram showing a sandwiched state when the sealing portion of the battery cell is shorter than the reference
- FIG. 6 is an explanatory view showing another holding structure of the battery cell
- FIG. 7 is an explanatory view showing still another holding structure of the battery cell
- FIGS. 1 to 7 relate to one embodiment of the present invention
- FIG. 1 is a perspective view of a power storage package
- FIG. 2 is a perspective view of power storage cells connected in series
- FIG. Fig. 4 is a cross-sectional view taken along line A.
- FIG. 5 is an explanatory diagram showing a clamping state when the sealing portion of the battery cell is shorter than the reference
- FIG. 6 shows another holding structure of the battery cell.
- FIG. 7 is an explanatory view showing still another holding structure of the battery cell.
- reference numeral 1 denotes a power storage package used as a power supply device of, for example, an electric vehicle (EV) or a hybrid vehicle (HEV).
- the power storage package 1 includes a plurality of (5 in the illustrated example).
- a flat battery cell 5 (see FIG. 2) having a substantially rectangular shape, and an exterior case 2 for storing the battery cell 5 are mainly configured.
- the exterior case 2 is configured by laminating a plurality of (5 in the illustrated example) cell binders 15 made of, for example, a flat, substantially flat frame made of resin.
- the storage battery cell 5 is a flat storage battery having a substantially planar rectangular shape, such as a lithium ion secondary battery or an electric double layer capacitor, and has an internal structure as typified by a planar laminate type lithium ion secondary battery.
- the laminate of the electrode and the electrolyte layer is hermetically sealed with a sheet-like laminate film in which the surface of an aluminum metal layer is insulation-coated with a resin layer.
- the power storage unit cell 5 includes a power storage unit 6 that is formed in a rectangular shape that is slightly thicker than the surroundings so as to enclose a power storage element composed of a laminate of an electrolyte layer and an electrode.
- the sealing part 7 extending in the form of a sheet around the electricity storage part 6, and the two ends of the sealing part 7 that have two tabs 8 and 9 as positive and negative electrode terminals exposed.
- the storage battery cells 5 are connected in series in advance by connecting the terminals of the tabs 8 and 9, and each of the storage battery cells 5 connected in series constitutes a series of cell rows 5A, and is in a twisted pattern. Are accommodated in the outer case 2 in a state of being arranged in the outer casing.
- the direction in which the tabs 8 and 9 of the battery cell 5 are extended is described as a vertical direction, and the direction orthogonal to the direction in which the tabs 8 and 9 are extended is appropriately described as a horizontal direction.
- the cell binder 15 includes a frame body 16 as a first frame body and a frame body 17 as a second frame body, and a power storage body between the pair of frame bodies 16 and 17. Cell 5 is stored.
- the frame body 16 of an arbitrary cell binder 15 and the frame body 17 of another cell binder 15 are in contact with each other, and are connected by a fitting structure provided at the four corners of the contact surface.
- tabs 8 and 9 are extended to both corners on the exposed side.
- the cylindrical pins 10 and 10 are erected in the stacking direction, and the tabs 9 of the storage battery cell 5 are extended and exposed at the other corners of the pin 10 (pins of other cell binders 15). Holes 11 and 11 into which 10) are fitted are provided.
- the pins 10 and 10 and the hole portions 11 and 11 are also provided on the contact surface of the other frame body 17 (not shown). In the frame body 17 and the frame body 16, the pins 10 and 10 and the hole portions 11 and 11 are provided. It is arranged so that the arrangement with 11 is reversed.
- 10 and the cell binders 15 and 15 are fitted and connected to each other.
- a plurality of locking grooves 10a are provided around the outer peripheral surface of the pin 10, and the locking grooves 10a allow a predetermined strength to be removed between the pin 10 and the hole 11 that is fitted to the pin 10. Stop function (so-called semi-lock structure) is realized.
- the storage battery cell 5 housed in the cell binder 15 is held by fitting the frames 16 and 17 in the stacking direction.
- the holding structure of the power storage unit cell 5 by the frames 16 and 17 includes a structure in which the power storage unit 6 serving as a cell body is pressed and sandwiched by the frames 16 and 17 in the stacking direction, and the both sides of the power storage unit 6 are sealed.
- This is configured as a double holding structure with a structure that fits in the pressing direction (stacking direction) of the power storage unit 6 in a state in which the part 7 is bent and the end part is sandwiched between the frames 16 and 17.
- FIG. 3 which is a cross-sectional view taken along line AA in FIG. 1
- a power storage unit is provided on the side of the frame 16 that is fitted to face the frame 17.
- a substantially rectangular bottomed storage portion 16a for storing one side of the power storage unit 6 of the cell 5 is opened, and has a predetermined depth in the stacking direction and sealed on both sides of the storage portion 16a in the lateral direction.
- a groove-shaped fitting recess 16b having a length equal to or longer than the vertical width of the stopper 7 is provided.
- the inner wall (wall surface portion) 16c on the outer side in the lateral direction of the fitting recess 16b is the same as the inner wall (wall surface portion) of the protruding portion 16d that forms the horizontal frame of the frame body 16 and also projects the opening upper surface force of the storage portion 16a.
- a surface is formed and is set so as to sandwich the sealing portion 7 of the storage battery cell 5 with the frame body 17 as will be described below.
- the protruding portions 17b are elongated in the vertical direction and have a predetermined protruding height in the stacking direction.
- the projecting portion 17b has a projecting tip portion formed in a substantially arc shape, and an outer wall (wall surface portion) 17c on the outer side in the lateral direction reaches substantially the same position as the bottom surface of the storage portion 17a.
- the inner wall 16c on the laterally outer side of the fitting recess 16b of the frame body 16 and the protrusion of the frame body 17 are used as a holding structure for the sealing portion 7 of the power storage cell 5.
- a structure is adopted in which the sealing portion 7 of the battery cell 5 is sandwiched between the outer wall 17c laterally outside the portion 17b and fitted together. In other words, this constitutes a wall surface portion that can be fitted in the pressing direction of the power storage unit 6 in a state where the end of the sealing unit 7 of the power storage cell 5 is sandwiched. At this time, it is set so that a gap is formed between the bottom of the fitting recess 16b and the tip of the protrusion 17b, and the sealing part 7 of the battery cell 5 is bent in this gap. Stored with itch.
- the frame 16 As a holding structure for the power storage unit 6 of the power storage unit cell 5, when the front end surface of the protrusion 16d of the frame 16 abuts on the stepped portion outside the protrusion 17b of the frame 17, the frame 16 The depths of the storage portions 16a and 17a are set so that the power storage portion 6 of the power storage battery cell 5 can be pressed and sandwiched between the bottom surface of the storage portion 16a and the bottom surface of the storage portion 17a of the frame body 17.
- the lateral length of the sealing portion 7 of each power storage cell 5 is increased. Variations can be absorbed. In other words, even if a dimensional error with respect to the reference value of the sealing portion 7 of the storage battery cell 5 occurs, the cell binder 15 of the same size does not need to increase the D dimension of the cell binder 15 according to this dimensional error. can do.
- the sealing portion 7 is accommodated between the inner wall 16c of the fitting recess 16b and the outer wall 17c of the protruding portion 17b by making the bending length of the sealing portion 7 housed in the gap between the fitting recess 16b longer than usual. It is possible to maintain the length of section 7 appropriately and avoid problems such as absorbing positive errors and protruding outside.
- the frame bodies 16 and 17 constituting the cell binder 15 are structured to be fitted to each other, a plurality of cell binders 15 are accommodated by accommodating the power storage cell 5 between the frame bodies 16 and 17. When stacked, there is no lateral shift. Therefore, the assembling workability as the power storage package 1 is improved, and the productivity can be improved.
- the holding structure of the power storage cell 5 described above can be a simplified structure as shown in FIG. 6 or FIG. 7, and like the cell binder 15, the power storage unit 6 serving as a cell body is laminated. It is possible to form a double holding structure including a structure sandwiched in a direction and a structure sandwiched in a direction substantially orthogonal to the stacking direction by bending the sealing portion 7.
- the cell binder 20 shown in FIG. 6 is basically the same as the cell binder 15 in the holding structure of the power storage cell 5, but the amount of bending of the sealing portion 7 of the power storage cell 5 is reduced. And a frame body 21 as a first frame body having a shallow fitting recess 16b of the frame body 16 and a frame body 22 as a second frame body fitted to the frame body 21. ing.
- the frame body 21 has a substantially rectangular shape that houses one side of the power storage unit 6 of the power storage unit cell 5.
- a storage portion 21a at the bottom a tapered guide portion 21b that is provided on both sides of the storage portion 21a and expands in the stacking direction from the upper surface of the opening of the storage portion 21a, and projects from the guide portion 21b in the stacking direction And a side wall portion (wall surface portion) 21c that forms the horizontal frame of the frame body 21.
- the frame body 22 is provided with a substantially rectangular bottomed storage portion 22a for storing the other surface side of the power storage unit 6 of the power storage unit cell 5, and both sides of the storage portion 22a.
- a tapered guide portion 22b that is disposed so as to be opposed to each other so as to form a predetermined gap portion between the guide portion 21b and a side wall portion (wall surface portion) 22c that is formed laterally outside the guide portion 22b. Have it.
- the cell binder 20 stores the power storage unit 6 of the power storage unit cell 5 in the storage unit 21a of the frame body 21 and the storage unit 22a of the frame body 22 and also guides 22b and the frame body 22 of the frame body 21.
- the sealing portion 7 of the power storage cell 5 is housed in a space between the guide portion 22b and bent in the stacking direction. Then, the end portion of the sealing portion 7 is sandwiched between the inner wall surface of the side wall portion 21c of the frame body 21 and the outer wall surface of the side wall portion 22c of the frame body 22, and is fitted together.
- the cell binder 25 shown in FIG. 7 is obtained by forming a portion for accommodating the sealing portion 7 of the battery cell 5 in an arc shape with respect to the cell binder 20 of FIG. That is, the cell binder 25 is obtained by forming the guide portions 21b and 22b of the cell binder 20 in an arc shape, and the power storage unit 6 of the power storage cell 5 is connected to the storage unit 26a of the frame 26 as a first frame. And the storage portion 27a of the frame body 27 as the second frame body, and is formed between the arc-shaped guide portion 26b of the frame body 26 and the arc-shaped guide portion 27b of the frame body 27.
- the sealing portion 7 of the storage battery cell 5 is housed in the gap portion that is bent in an arc shape in the stacking direction so as to have a stagnation, and the end portion of the sealing portion 7 is connected to the side wall portion of the frame body 26. (Wall surface portion)
- the inner wall surface of 26c and the side wall portion (wall surface portion) 27c of the frame body 27 are sandwiched between and fitted to each other.
- the power storage unit 6 is not a structure in which the power storage unit 6 and the sealing unit 7 of the power storage cell 5 are pressed and sandwiched in the same direction (stacking direction) in a plane. Is pressed in the stacking direction, and the end portion is pressed by the wall in the direction substantially perpendicular to the stacking direction by holding the sag in the sealing part 7 while reducing the size of the package. Electricity storage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/719,784 US7682729B2 (en) | 2004-11-25 | 2005-11-24 | Package structure of electric storage cells |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004341249A JP4926393B2 (ja) | 2004-11-25 | 2004-11-25 | 蓄電体セルのパッケージ構造 |
JP2004-341249 | 2004-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006057291A1 true WO2006057291A1 (ja) | 2006-06-01 |
Family
ID=36498027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/021569 WO2006057291A1 (ja) | 2004-11-25 | 2005-11-24 | 蓄電体セルのパッケージ構造 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7682729B2 (ja) |
JP (1) | JP4926393B2 (ja) |
WO (1) | WO2006057291A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2025019A1 (en) * | 2006-05-15 | 2009-02-18 | LG Chem, Ltd. | Middle or large-sized battery module |
WO2010081704A2 (de) * | 2009-01-19 | 2010-07-22 | Li-Tec Battery Gmbh | Elektrochemische energiespeichervorrichtung |
WO2010115490A1 (de) * | 2009-04-08 | 2010-10-14 | Li-Tec Battery Gmbh | Elektroenergie-speichervorrichtung mit flachzellen und kühlkörpern |
CN106463665A (zh) * | 2014-04-24 | 2017-02-22 | Sk新技术株式会社 | 用于二次电池的电池电芯组件及包括该组件的二次电池 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5125053B2 (ja) * | 2006-09-20 | 2013-01-23 | 大日本印刷株式会社 | 扁平型電気化学セル及びそれを組み合わせてなる組電池 |
JP5172496B2 (ja) * | 2008-06-26 | 2013-03-27 | Fdk株式会社 | 蓄電ユニット及びその製造方法 |
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EP2025019A1 (en) * | 2006-05-15 | 2009-02-18 | LG Chem, Ltd. | Middle or large-sized battery module |
EP2025019A4 (en) * | 2006-05-15 | 2010-05-05 | Lg Chemical Ltd | MEDIUM OR VERY LARGE BATTERY MODULE |
US9640790B2 (en) | 2006-05-15 | 2017-05-02 | Lg Chem, Ltd. | Middle or large-sized battery module |
WO2010081704A2 (de) * | 2009-01-19 | 2010-07-22 | Li-Tec Battery Gmbh | Elektrochemische energiespeichervorrichtung |
WO2010081704A3 (de) * | 2009-01-19 | 2010-09-23 | Li-Tec Battery Gmbh | Elektrochemische energiespeichervorrichtung |
CN102308412A (zh) * | 2009-01-19 | 2012-01-04 | 锂电池科技有限公司 | 电化学能量存储装置 |
EP2605301A3 (de) * | 2009-01-19 | 2013-08-21 | Li-Tec Battery GmbH | Elektrochemische Energiespeichervorrichtung |
WO2010115490A1 (de) * | 2009-04-08 | 2010-10-14 | Li-Tec Battery Gmbh | Elektroenergie-speichervorrichtung mit flachzellen und kühlkörpern |
CN106463665A (zh) * | 2014-04-24 | 2017-02-22 | Sk新技术株式会社 | 用于二次电池的电池电芯组件及包括该组件的二次电池 |
Also Published As
Publication number | Publication date |
---|---|
US7682729B2 (en) | 2010-03-23 |
JP2006155962A (ja) | 2006-06-15 |
JP4926393B2 (ja) | 2012-05-09 |
US20090226804A1 (en) | 2009-09-10 |
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