WO2023158266A1 - 전지 셀 가압 장치 및 이를 포함하는 전지 셀 충방전 장치 - Google Patents
전지 셀 가압 장치 및 이를 포함하는 전지 셀 충방전 장치 Download PDFInfo
- Publication number
- WO2023158266A1 WO2023158266A1 PCT/KR2023/002340 KR2023002340W WO2023158266A1 WO 2023158266 A1 WO2023158266 A1 WO 2023158266A1 KR 2023002340 W KR2023002340 W KR 2023002340W WO 2023158266 A1 WO2023158266 A1 WO 2023158266A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery cell
- fluid
- case
- charging
- mpa
- Prior art date
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 25
- 238000003825 pressing Methods 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 239000007784 solid electrolyte Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 10
- 238000001994 activation Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 5
- 238000009694 cold isostatic pressing Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000001513 hot isostatic pressing Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- 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
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
-
- 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 disclosure relates to a battery cell pressurizing device and a battery cell charging/discharging device including the same.
- Secondary batteries are classified into coin-type batteries, cylindrical batteries, prismatic batteries, and pouch-type batteries according to the shape of a battery case.
- the pouch-type battery uses a pouch exterior material composed of a multilayer film of a metal layer (foil) and a synthetic resin layer coated on the upper and lower surfaces of the metal layer, the weight of the battery is lower than that of a cylindrical or prismatic battery using a metal can. It can significantly reduce the weight of the battery, and it is possible to change into various forms, so it is attracting a lot of attention.
- Pouch-type batteries are generally manufactured through a process of activating a battery cell after a process of assembling the battery.
- the activation process includes a process of charging and discharging a battery cell by applying pressure to the battery cell with a jig and applying a current to a predetermined voltage to the battery cell.
- SEI Solid Electrolyte Interface
- Patent Document 0001 Republic of Korea Patent Publication No. 10-2019-0072289 (2019.06.25)
- One of the objects of the present invention is to provide a battery cell pressurizing device capable of isotropically pressurizing a battery cell and a battery cell charging/discharging device including the same.
- Another object of the present invention is to provide a battery cell pressurizing device and a battery cell charging/discharging device including the same, which can prevent damage to a battery cell due to pressurization and short-circuit defects caused thereby.
- Another object of the present invention is to provide a battery cell pressurization device and a battery cell charging/discharging device including the same, which can prevent deterioration in performance and lifespan of a battery cell due to an activation process.
- the present invention as an embodiment, a case in which a battery cell (cell) is disposed therein; and a fluid filling the inside of the case and pressurizing the battery cell.
- the case provides a battery cell pressing device that includes a hole through which a conductive member for connecting the battery cell to the charger and discharger to apply current to the battery cell passes.
- the battery cell pressurizing device and a charge/discharger for charging and discharging the battery cell pressed by the battery cell pressing device; It provides a battery cell charging and discharging device comprising a.
- a battery cell pressurizing device that can isostatically pressurize a battery cell and a battery cell charging/discharging device including the same.
- a battery cell pressurizing device capable of preventing deterioration in performance and lifespan of a battery cell due to an activation process, and a battery cell charging/discharging device including the same.
- FIG. 1 shows a perspective view of a conventional battery cell pressurizing device.
- FIG. 2 shows a cross-sectional view of a battery cell pressurized by a conventional battery cell pressurizing device.
- FIG 3 shows a perspective view of a battery cell pressurizing device and a battery cell charging/discharging device including the same according to an embodiment of the present invention.
- FIG. 4 is a cross-sectional view of a battery cell pressurized by a battery cell pressing device according to an embodiment of the present invention.
- FIG. 1 shows a perspective view of a conventional battery cell pressurizing device.
- FIG. 2 shows a cross-sectional view of a battery cell pressurized by a conventional battery cell pressurizing device.
- Patent Document 1 is a pouch-type secondary battery including a first plate-like member and a second plate-like member configured to press one or more pouch-type secondary batteries inserted into a spaced apart space apart from each other by a predetermined distance while facing each other. A pressure jig for charging and discharging is disclosed.
- the battery cell 10 pressurized by the battery cell pressurizer may include a positive electrode 11 , a negative electrode 12 and a solid electrolyte 13 .
- an anode lead 14 and a cathode lead 15 connected to the anode 11 and the cathode 12, respectively, may be further included.
- a positive electrode 11, a negative electrode 12, and a solid electrolyte 13 are embedded in a pouch 16, and a portion of the leads 14 and 15 are part of the pouch 16. It may be a pouch type battery cell exposed to the outside.
- a solid electrolyte 13 is disposed between the positive electrode 11 and the negative electrode 12, and cold isostatic pressing (CIP; Cold Isostatic Press) or hot isostatic pressing (WIP; Warm Isostatic Press) After interlayer bonding, the electrode assembly formed by attaching the positive lead 14 and the negative lead 15 is accommodated in the pouch 16 and sealed.
- the size of the positive electrode 11 of the battery cell 10 may be different from each other.
- the size of the positive electrode 11 may be smaller than the size of the negative electrode 12 and the size of the solid electrolyte 13, respectively.
- the size may mean at least one of a length in the longitudinal direction (L) and a length in the width direction (W).
- FIG 3 shows a perspective view of a battery cell pressurizing device and a battery cell charging/discharging device including the same according to an embodiment of the present invention.
- FIG. 4 is a cross-sectional view of a battery cell pressurized by a battery cell pressing device according to an embodiment of the present invention.
- the battery cell charging and discharging device 100 is a battery cell pressurizing device 110 and a battery cell 10 that is pressurized by the battery cell pressing device 110 is charged and discharged.
- a discharger 120 is included.
- a conductive member 130 may be further included to apply current to the battery cell 10 by connecting the battery cell 10 to the charger/discharger 120 .
- the battery cell pressing device 110 includes a case 111 in which the battery cell 10 is disposed and a fluid 112 filling the inside of the case 111 and pressurizing the battery cell 10 .
- the shape of the case 111 is not particularly limited, and may have, for example, a rectangular shape.
- the case 111 may have pressure resistance that is not deformed by the pressure of the fluid 112 .
- the case 111 may not be deformed at several to several tens of MPa or less, for example, 20 MPa, 15 MPa, or 10 MPa or less.
- the case 111 may be pressurized by the fluid 112 at a pressure of 3 MPa or more and 10 MPa or less, 4 MPa or more and 8 MPa or less, 5 MPa or more and 6 MPa or less, and will not be deformed within the pressure range.
- the case 111 may have water resistance to prevent permeation of the fluid 112 .
- the material for forming the case 111 is a metal such as aluminum (Al), stainless steel (SUS), titanium (Ti), nickel (Ni), iron (Fe), or copper (Cu), or two of these.
- the above alloy may be used, but is not limited thereto.
- the case 111 may include a hole 113 through which a conductive member 130 that connects the battery cell 10 to the charger/discharger 120 and applies current to the battery cell 10 passes.
- the hole 113 may be a plurality of holes 113 through which each of the plurality of conductive members 130 connected to the positive lead 14 and the negative lead 15 respectively passes.
- a sealing member (not shown) may be disposed around the hole 113 to prevent the fluid 112 filling the inside of the case 111 from being discharged to the outside of the case 111 .
- a sealing member may be disposed between the hole 113 and the conductive member 130 to prevent the fluid 112 from being discharged to the outside of the case 111 .
- the size of the hole 113 may be smaller than the size of the injection part 114 described later, but may be equal to or larger than the size of the injection part 114 in some cases.
- the case 111 may further include an injection part 114 that is a path through which the fluid 112 is injected into the case 111 .
- the injection unit 114 may have a structure in which the fluid 112 is not discharged to the outside of the case 111 even when the pressure of the fluid 112 inside the case 111 is not discharged.
- the injection unit 114 may include a hole for injecting the fluid 112 into the case 111 and a stopper for closing and sealing the hole after the fluid 112 is injected.
- the structure of the injection unit 114 is not limited thereto.
- the fluid 112 may pressurize the battery cell 10 in an activation process in which the battery cell 10 is charged and discharged by the charger and discharger 120 .
- the battery cell 10 can be uniformly pressurized in an isotropic manner. That is, the fluid 112 may isotropically pressurize the battery cell 10 .
- the pressure at which the fluid 112 presses the battery cell 10 may be 3 MPa or more and 10 MPa or less, 4 MPa or more and 8 MPa or less, or 5 MPa or more and 6 MPa or less. If the pressure of the fluid 112 pressurizes the battery cell 10 is less than 3 MPa, the battery cell 10 may not be sufficiently pressurized, and thus the battery cell 10 may expand due to gas. In addition, when the pressure at which the fluid 112 presses the battery cell 10 exceeds 10 MPa, physical and chemical damage to the battery cell 10 may occur. Preferably, the pressure at which the fluid 112 presses the battery cell 10 may be about 5 MPa.
- the fluid 112 a material that is not deformed by the pressure of the fluid 112 itself may be used.
- the fluid 112 may be a liquid, and specifically may be in an oil or gel state. However, depending on the design, a gas, a fluid solid, or the like may be used as the fluid 112 .
- the fluid 112 it may be preferable to use a material that does not deform in a temperature range of 0 to 100 ° C. as the fluid 112 .
- the above range is meant to include the boundary values of 0°C and 100°C.
- the fluid 112 it may be preferable to use a material that has a small volume change in the above temperature range and is not hardened.
- a material that does not affect performance or lifespan of the battery cell 10 may be used, and an insulating material may be used.
- the fluid 112 a material capable of viscosity may be used.
- the viscosity of fluid 112 may be less than 1000 cP, preferably about 100 cP. Through this, the fluid 112 and the pressure of the fluid 112 may be uniformly distributed over the entire area of the battery cell 10 .
- the charger/discharger 120 activates the battery cell 10 by applying a current to the battery cell 10 through the conductive member 130 to charge/discharge the battery cell 10 . After fully charging the battery cell 10, the charger/discharger 120 detects an open circuit voltage (OCV) defect while aging, and then fully discharges the battery cell 10 to measure the discharge capacity. It can be carried out using various types of processes known in the art, such as charging to 50% of capacity. For example, the activation process may be performed under conditions of a current of 0.05C to 1C and a voltage of 1.5V to 5.0V, but is not limited thereto.
- OCV open circuit voltage
- the conductive member 130 may serve to apply current to the battery cell 10 by connecting the battery cell 10 to the charger/discharger 120 .
- the conductive member 130 may be a plurality of conductive members 130 connected to the positive lead 14 and the negative lead 15, respectively.
- a conductive material may be used as a material for forming the conductive member 130 without limitation.
- the conductive member 130 may be a conducting wire.
- the battery cell 10 that is pressurized by the battery cell pressurizer is the same as described above with reference to FIGS. 1 and 2 .
- the battery cell 10 pressurized by the battery cell pressurizer may include a positive electrode 11 , a negative electrode 12 and a solid electrolyte 13 .
- an anode lead 14 and a cathode lead 15 connected to the anode 11 and the cathode 12, respectively, may be further included.
- a positive electrode 11, a negative electrode 12, and a solid electrolyte 13 are embedded in a pouch 16, and a portion of the leads 14 and 15 are part of the pouch 16. It may be a pouch type battery cell exposed to the outside.
- a solid electrolyte 13 is disposed between the positive electrode 11 and the negative electrode 12, and cold isostatic pressing (CIP; Cold Isostatic Press) or hot isostatic pressing (WIP; Warm Isostatic Press) After interlayer bonding, the electrode assembly formed by attaching the positive lead 14 and the negative lead 15 is accommodated in the pouch 16 and sealed.
- the size of the positive electrode 11 of the battery cell 10 may be different from each other.
- the size of the positive electrode 11 may be smaller than the size of the negative electrode 12 and the size of the solid electrolyte 13, respectively.
- the size may mean at least one of a length in the longitudinal direction (L) and a length in the width direction (W).
- the structure of a battery cell that is pressurized by the battery cell pressing device 110 and activated by the battery cell charging and discharging device 100 is limited to the structure of the battery cell 10 shown in the drawing. it is not going to be
- the fluid 112 flows into the case 111 through the injection part 114 of the case 111 in which the battery cell 10 is disposed. is injected, and the injected fluid 112 may uniformly pressurize the battery cell 10 in an isotropic direction.
- the battery cell 10 may be activated by charging and discharging with the charger 120 . Accordingly, it is possible to prevent damage to a battery cell such as a crack or short circuit due to a difference in size between the positive electrode 11, the negative electrode 12, and the solid electrolyte 13.
- the positive electrode 11 even if the size of the positive electrode 11 is smaller than the size of the solid electrolyte 13, it is possible to prevent cracks from occurring in the solid electrolyte 13, and as a result, the positive electrode 11 and the negative electrode 12 are mutually connected. It is also possible to prevent a short circuit defect due to precipitation of lithium during contact or charging/discharging. In addition, by preventing damage such as cracks of the battery cell and short-circuit defects caused thereby, degradation of performance and lifespan of the battery cell may also be prevented.
- first, second, etc. is for distinguishing elements from each other, and does not mean a priority between elements or an absolute order.
- a first element in some parts of this specification may be referred to as a second element in other parts of this specification.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (10)
- 내부에 전지 셀(cell)이 배치되는 케이스; 및상기 케이스의 내부를 채우며, 상기 전지 셀을 가압하는 유체; 를 포함하며,상기 케이스는 상기 전지 셀을 충방전기와 연결하여 상기 전지 셀에 전류를 인가하는 전도성 부재가 통과하는 홀을 포함하는 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 유체는 상기 충방전기로 상기 전지 셀을 충방전하는 활성화 공정에서 상기 전지 셀을 등방 가압하는 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 케이스는 상기 유체가 상기 케이스로 주입되는 경로인 주입부를 더 포함하는 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 유체가 상기 전지 셀을 가압하는 압력은 3 MPa 이상 10 MPa 이하인 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 유체는 절연성 및 점성을 갖는 물질인 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 유체는 오일 또는 겔(gel)의 상태인 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 케이스는 3 MPa 이상 10 MPa 이하의 압력에서 변형되지 않는 내압성을 갖는 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 전지 셀은 양극, 음극 및 고체전해질을 포함하며,상기 양극의 크기, 상기 음극의 크기 및 상기 고체전해질의 크기 중 적어도 둘은 서로 상이한 것인, 전지 셀 가압 장치.
- 제1항에 있어서,상기 전지 셀은 파우치형 전지 셀인 것인, 전지 셀 가압 장치.
- 제1항 내지 제9항 중 어느 한 항에 따른 전지 셀 가압 장치; 및상기 전지 셀 가압 장치로 가압되는 전지 셀을 충방전하는 충방전기;를 포함하는, 전지 셀 충방전 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/577,652 US20240243342A1 (en) | 2022-02-21 | 2023-02-17 | Battery cell pressing device and battery cell charging/discharging device including same |
CN202380012682.5A CN117616611A (zh) | 2022-02-21 | 2023-02-17 | 电池电芯施压装置和包括其的电池电芯充放电装置 |
EP23756678.1A EP4343909A1 (en) | 2022-02-21 | 2023-02-17 | Battery cell pressing device and battery cell charging/discharging device including same |
JP2024509078A JP2024531303A (ja) | 2022-02-21 | 2023-02-17 | 電池セル加圧装置及びこれを含む電池セル充放電装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020220022268A KR20230125553A (ko) | 2022-02-21 | 2022-02-21 | 전지 셀 가압 장치 및 이를 포함하는 전지 셀 충방전 장치 |
KR10-2022-0022268 | 2022-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023158266A1 true WO2023158266A1 (ko) | 2023-08-24 |
Family
ID=87578672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2023/002340 WO2023158266A1 (ko) | 2022-02-21 | 2023-02-17 | 전지 셀 가압 장치 및 이를 포함하는 전지 셀 충방전 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240243342A1 (ko) |
EP (1) | EP4343909A1 (ko) |
JP (1) | JP2024531303A (ko) |
KR (1) | KR20230125553A (ko) |
CN (1) | CN117616611A (ko) |
WO (1) | WO2023158266A1 (ko) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008147010A (ja) * | 2006-12-08 | 2008-06-26 | Nissan Motor Co Ltd | 電力供給装置およびその制御方法 |
JP5382134B2 (ja) * | 2011-05-25 | 2014-01-08 | トヨタ自動車株式会社 | 電池及びその製造方法 |
KR20190072289A (ko) | 2017-12-15 | 2019-06-25 | 주식회사 엘지화학 | 파우치형 이차전지의 충방전용 가압 지그 |
KR102088272B1 (ko) * | 2016-02-26 | 2020-03-12 | 주식회사 엘지화학 | 전지셀 가압 장치, 이를 이용한 전지셀 충방전 가압 시스템, 및 전지셀 초기 충방전 방법 |
KR20210098635A (ko) * | 2020-02-03 | 2021-08-11 | 주식회사 엘지에너지솔루션 | 전지셀 충방전 지그, 이를 포함하는 전지셀 충방전 장치 및 이를 이용한 전지셀의 충방전 방법 |
KR20220011319A (ko) * | 2020-07-21 | 2022-01-28 | 주식회사 엘지에너지솔루션 | 전지셀 용량 측정 장치 및 전지셀 용량 측정 방법 |
KR20220022268A (ko) | 2020-08-18 | 2022-02-25 | 문혁민 | 휴대용 살균기 |
-
2022
- 2022-02-21 KR KR1020220022268A patent/KR20230125553A/ko unknown
-
2023
- 2023-02-17 CN CN202380012682.5A patent/CN117616611A/zh active Pending
- 2023-02-17 US US18/577,652 patent/US20240243342A1/en active Pending
- 2023-02-17 JP JP2024509078A patent/JP2024531303A/ja active Pending
- 2023-02-17 WO PCT/KR2023/002340 patent/WO2023158266A1/ko active Application Filing
- 2023-02-17 EP EP23756678.1A patent/EP4343909A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008147010A (ja) * | 2006-12-08 | 2008-06-26 | Nissan Motor Co Ltd | 電力供給装置およびその制御方法 |
JP5382134B2 (ja) * | 2011-05-25 | 2014-01-08 | トヨタ自動車株式会社 | 電池及びその製造方法 |
KR102088272B1 (ko) * | 2016-02-26 | 2020-03-12 | 주식회사 엘지화학 | 전지셀 가압 장치, 이를 이용한 전지셀 충방전 가압 시스템, 및 전지셀 초기 충방전 방법 |
KR20190072289A (ko) | 2017-12-15 | 2019-06-25 | 주식회사 엘지화학 | 파우치형 이차전지의 충방전용 가압 지그 |
KR20210098635A (ko) * | 2020-02-03 | 2021-08-11 | 주식회사 엘지에너지솔루션 | 전지셀 충방전 지그, 이를 포함하는 전지셀 충방전 장치 및 이를 이용한 전지셀의 충방전 방법 |
KR20220011319A (ko) * | 2020-07-21 | 2022-01-28 | 주식회사 엘지에너지솔루션 | 전지셀 용량 측정 장치 및 전지셀 용량 측정 방법 |
KR20220022268A (ko) | 2020-08-18 | 2022-02-25 | 문혁민 | 휴대용 살균기 |
Also Published As
Publication number | Publication date |
---|---|
US20240243342A1 (en) | 2024-07-18 |
KR20230125553A (ko) | 2023-08-29 |
JP2024531303A (ja) | 2024-08-29 |
CN117616611A (zh) | 2024-02-27 |
EP4343909A1 (en) | 2024-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013151249A1 (ko) | 계단 구조의 전지셀 | |
WO2014137112A1 (ko) | 단차 구조를 포함하는 전지셀 | |
WO2018074842A1 (ko) | 이차 전지 및 그 모듈 | |
WO2018131788A2 (ko) | 파우치형 이차전지 및 파우치 필름 포밍 장치 | |
WO2014104728A1 (ko) | 내구성 향상을 위해 실링 마진을 가진 파우치형 이차 전지 | |
WO2017078253A1 (ko) | 가스 배출부의 변위를 감지하여 배터리 셀 스웰링을 방지하는 이차 전지, 이차 전지 충전 시스템 및 이차 전지 제조 방법 | |
WO2018128283A1 (ko) | 내부의 온도를 측정할 수 있는 전지셀 | |
CN101726388B (zh) | 用于二次电池的内部压力测量装置 | |
WO2012044035A2 (ko) | 부식방지용 보호층을 포함하는 전극리드, 및 이를 포함하는 이차전지 | |
WO2021210908A1 (ko) | 파우치 형 전지 케이스 및 파우치 형 이차 전지 | |
WO2019098522A1 (ko) | 미실링부를 갖는 파우치 타입 이차 전지 | |
WO2013119000A1 (ko) | 신규한 구조의 내장형 전지셀 | |
WO2012177083A2 (ko) | 파우치 및 파우치형 이차전지 | |
WO2020116856A1 (ko) | 벤팅 부재를 포함하는 파우치형 전지셀 및 이를 포함하는 전지팩 | |
WO2019216520A1 (ko) | 벤팅 장치 및 그의 제조 방법 | |
WO2019151635A1 (ko) | 파우치 성형 장치 및 방법 | |
WO2021101027A1 (ko) | 전극 조립체 및 그의 제조 방법 | |
WO2019098669A1 (ko) | 플렉서블 전지용 금속탭 | |
CN101436692A (zh) | 可充电电池 | |
WO2018190530A1 (ko) | 이차전지 및 그 이차전지의 제조방법 | |
WO2011046261A1 (ko) | 가스켓 처짐이 방지된 캡 어셈블리, 및 이를 구비하는 원통형 이차전지 | |
WO2013118989A1 (ko) | 신규한 구조의 전지셀 제조방법 | |
WO2013118970A1 (ko) | 신규한 구조의 전지셀 제조방법 | |
WO2010062071A2 (ko) | 고출력 전기에너지 저장장치 | |
WO2021206418A1 (ko) | 이차전지 및 이를 포함하는 디바이스 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23756678 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023756678 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202380012682.5 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18577652 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2023756678 Country of ref document: EP Effective date: 20231219 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2024509078 Country of ref document: JP |