WO2023085632A1 - 배터리 셀 내압 측정 장치 - Google Patents
배터리 셀 내압 측정 장치 Download PDFInfo
- Publication number
- WO2023085632A1 WO2023085632A1 PCT/KR2022/015897 KR2022015897W WO2023085632A1 WO 2023085632 A1 WO2023085632 A1 WO 2023085632A1 KR 2022015897 W KR2022015897 W KR 2022015897W WO 2023085632 A1 WO2023085632 A1 WO 2023085632A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery cell
- jig
- internal pressure
- housing
- cover
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 11
- 238000010926 purge Methods 0.000 claims description 9
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
-
- 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
- H01M10/4285—Testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a device for measuring internal pressure of a battery cell.
- Secondary batteries which are highly applicable to each product group and have electrical characteristics such as high energy density, are used not only in portable devices but also in electric vehicles (EVs) or hybrid electric vehicles (HEVs) driven by an electrical driving source. It is universally applied. These secondary batteries are attracting attention as a new energy source for improving energy efficiency and eco-friendliness in that they do not generate any by-products due to the use of energy as well as the primary advantage of dramatically reducing the use of fossil fuels.
- EVs electric vehicles
- HEVs hybrid electric vehicles
- a battery pack may be configured by connecting a plurality of battery cells in series.
- a battery pack may be configured by connecting a plurality of battery cells in parallel according to a charge/discharge capacity required for the battery pack. Accordingly, the number of battery cells included in the battery pack may be variously set according to a required output voltage or charge/discharge capacity.
- a battery pack is configured by connecting a plurality of battery cells in series/parallel, a battery module including at least one battery cell is first configured, and other components are added using the at least one battery module.
- a method of configuring a battery pack is common.
- the battery cell is not vented at a predetermined temperature and a predetermined time for safety or durability among internal quality items during the manufacturing process.
- the predetermined temperature and predetermined time are generally 60 degrees and 180 days, and during the predetermined temperature and predetermined time, at least one battery cell is stored in a specific container or place to examine the internal pressure of the battery cell.
- an object of the present invention is to provide a battery cell breakdown voltage measurement device capable of improving the breakdown voltage measurement efficiency of at least one battery cell.
- the present invention is a battery cell internal pressure measuring device for measuring the internal pressure of at least one battery cell, comprising: a jig housing for accommodating the at least one battery cell; and a jig cover coupled to the jig housing and covering the at least one battery cell, wherein at least one cell groove into which the at least one battery cell can be inserted is formed on a lower surface of the jig housing. It provides a battery cell breakdown voltage measuring device characterized in that.
- the at least one cell groove may be formed in a shape corresponding to the shape of the at least one battery cell.
- the jig housing and the jig cover may be mutually screwed together through at least one fastening unit.
- the battery cell internal pressure measuring device may include at least one sealing member provided between the jig housing and the jig cover.
- the at least one sealing member may be disposed along an edge of the jig housing and the jig cover.
- the at least one sealing member may be provided as an O-ring.
- the battery cell internal pressure measuring device may include at least one pressure measuring unit provided on the jig cover and measuring a gas pressure inside the jig housing.
- At least one pressure sensor may be provided in the at least one pressure measuring unit.
- the battery cell internal pressure measuring device may include at least one temperature measuring unit provided on the jig cover and measuring a temperature change inside the jig housing.
- At least one temperature sensor may be provided in the at least one temperature measuring unit.
- the battery cell internal pressure measuring device may include a valve unit provided on the jig cover and controlling the inflow and outflow of gas into the jig housing.
- the valve unit may include a purging valve for injecting an inert gas into the jig housing from the outside of the jig cover; and a collecting valve for collecting internal gas in the jig housing.
- the at least one battery cell may be a pouch type secondary battery.
- a device for measuring internal pressure of at least one battery cell capable of improving the efficiency of measuring internal pressure of at least one battery cell may be provided.
- FIG. 1 is a diagram for explaining an apparatus for measuring internal pressure of a battery cell according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the device for measuring internal pressure of a battery cell of FIG. 1 .
- FIG. 3 is a view for explaining a jig housing of the device for measuring internal pressure of a battery cell of FIG. 2 .
- Figure 4 is a bottom view of the jig housing of Figure 3;
- FIG. 5 is a view for explaining how battery cells are mounted in the jig housing of FIG. 4 .
- FIG. 6 is a view for explaining a jig cover of the device for measuring internal pressure of a battery cell of FIG. 1 .
- FIG. 7 is a plan view of the jig cover of FIG. 6;
- FIG. 8 is a diagram for explaining internal pressure measurement of a battery cell using the battery cell internal pressure measuring device of FIG. 1 .
- FIG. 1 is a view for explaining a device for measuring internal pressure of a battery cell according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view of the device for measuring internal pressure of a battery cell of FIG. 1 .
- the battery cell internal pressure measuring device 10 may be a device for measuring the internal pressure of at least one battery cell (B, see FIG. 8 ).
- the at least one battery cell B may be a pouch-type secondary battery, a cylindrical secondary battery, or a prismatic secondary battery.
- the at least one battery cell (B) will be described as being limited to a pouch-type secondary battery.
- the battery cell internal pressure measuring device 10 may include a jig housing 100 and a jig cover 200 .
- the jig housing 100 may accommodate the at least one battery cell B. To this end, an accommodation space capable of accommodating the at least one battery cell B may be provided in the jig housing 100 .
- FIG. 3 is a view for explaining a jig housing of the battery cell internal pressure measuring device of FIG. 2
- FIG. 4 is a bottom view of the jig housing of FIG. 3
- FIG. It is a drawing for
- the jig housing 100 may include a housing body 110, a housing fastening hole 130, a sealing member insertion groove 150, and a cell groove 170.
- the housing body 110 forms the exterior of the jig housing 100 and may form the accommodation space.
- the housing fastening hole 130 is provided in the housing body 110, and a fastening unit 300 to be described later may be penetrated and fastened.
- a plurality of the housing fastening holes 130 may be provided.
- the plurality of housing fastening holes 130 may be formed along an edge of the housing body 110 .
- the plurality of housing fastening holes 130 may be spaced apart from each other by a predetermined distance.
- the sealing member insertion groove 150 is provided in the housing body 110, and a sealing member 400 described later may be inserted therein.
- the sealing member insertion groove 150 may be provided between the plurality of fastening holes 130 along the edge of the housing body 110 and the cell groove 170 to be described later.
- the cell groove 170 is provided in the housing body 110, and the at least one battery cell B may be inserted thereinto.
- the cell groove 170 may be formed in a shape corresponding to the shape of the at least one battery cell B to more stably support the at least one battery cell B.
- the jig cover 200 may be coupled to the jig housing 100 and cover the at least one battery cell B.
- FIG. 6 is a view for explaining a jig cover of the device for measuring internal pressure of a battery cell of FIG. 1
- FIG. 7 is a plan view of the jig cover of FIG. 6 .
- the jig cover 200 may include a cover body 210 and a cover fastening hole 230 .
- the cover body 210 may form the appearance of the jig cover 200 .
- a pressure measuring unit 500, a temperature measuring unit 600, and a valve unit 700 to be described later may be mounted on the cover body 210.
- the cover fastening hole 230 is provided in the cover body 210 , and a fastening unit 300 to be described below may be penetrated and coupled thereto.
- the cover fastening hole 230 may be provided in plurality.
- the plurality of cover fastening holes 230 may be formed along an edge of the cover body 210 .
- the plurality of cover fastening holes 230 may be spaced apart from each other by a predetermined distance and may be provided at positions corresponding to the plurality of fastening holes 130 of the jig housing 100 .
- At least one fastening unit 300 to be described below may be penetrated through the plurality of fastening holes 230 of the jig cover 200 and the plurality of housing fastening holes 130 of the jig housing 100. Accordingly, the jig housing 100 and the jig cover 200 may be mutually screwed through the at least one fastening unit 300 .
- the battery cell internal pressure measuring device 10 may further include a fastening unit 300 .
- the fastening unit 300 is for mutual coupling of the jig housing 100 and the jig cover 200, and may be provided in a plurality of at least one or more. Hereinafter, in this embodiment, the fastening unit 300 will be described as being provided with a plurality of pieces.
- the plurality of fastening units 300 may include a bolting member 310 and a nut member 330.
- the bolting member 310 is formed to have a predetermined length with a predetermined screw thread, and is to be penetrated and fastened to the housing fastening hole 130 of the jig housing 100 and the cover fastening hole 230 of the jig cover 200.
- the nut member 330 is formed to be screwed together with the bolting member 310, and on the upper side of the jig cover 200, the bolting member 310 protrudes through the outside of the cover fastening hole 230. It may be fastened and coupled with the end.
- the jig housing 100 and the jig cover 200 can be more firmly coupled to each other.
- the battery cell internal pressure measuring device 10 may further include a sealing member 400 .
- the sealing member 400 is for more robust sealing between the jig housing 100 and the jig cover 200, and may be provided in at least one or a plurality of pieces.
- the at least one sealing member 400 may be provided between the jig housing 100 and the jig cover 200 . Specifically, the at least one sealing member 400 may be disposed along the edge of the jig housing 100 and the jig cover 200 .
- the at least one sealing member 400 may be inserted into the sealing member insertion groove 130 of the jig housing 100 .
- the at least one sealing member 400 may be provided as an O-ring.
- the battery cell internal pressure measuring device 10 may further include a pressure measuring unit 500 .
- the pressure measuring unit 500 is for measuring the gas pressure inside the jig housing 100, that is, the internal pressure, and is provided in at least one or more, and may be provided on the jig cover 200. . At least one pressure sensor 550 may be provided in the at least one pressure measuring unit 500 .
- the battery cell internal pressure measuring device 10 may further include a temperature measuring unit 600 .
- the temperature measuring unit 600 will be described in more detail with reference to FIGS. 6 and 7 .
- the temperature measurement unit 600 is for measuring the temperature change inside the jig housing 100, and is provided in at least one or more, and may be provided on the jig cover 200. At least one temperature sensor 650 may be provided in the at least one temperature measurement unit 600 .
- the battery cell internal pressure measuring device 10 may further include a valve unit 700 .
- valve unit 700 will be described in more detail with reference to FIGS. 6 and 7 .
- the valve unit 700 is provided on the jig cover 200 and can control the inflow and outflow of gas into the jig housing 100 .
- the valve unit 700 may include a purging valve 710 and a collecting valve 730 .
- the purging valve 710 is for purging an inert gas from the outside of the jig cover 200 into the inside of the jig housing 100, and may be provided on one side of the jig cover 200.
- the inert gas may be provided with argon or nitrogen.
- the collecting valve 730 is for collecting internal gas in the jig housing 100 and may be provided on the other side of the jig cover 200 .
- FIG. 8 is a diagram for explaining internal pressure measurement of a battery cell using the battery cell internal pressure measuring device of FIG. 1 .
- a worker or the like inserts a pierced battery cell B to be measured into the battery cell internal pressure measuring device 10 and then fastens the jig housing 100 and the jig cover 200. It can be fastened through the unit 300.
- the battery cell B to be measured may be a battery cell on which cell piercing for measurement or the like has been performed. Meanwhile, cell piercing may be performed at the pouch terraces on both sides of the battery cell B, but only one side of the pouch may be pierced.
- the worker or the like may proceed with purging nitrogen or the like into the jig housing 100 through the purging valve 710 of the valve unit 700 .
- the purging valve 710 may be closed.
- the worker or the like may place the battery cell internal pressure measuring device 10 into which the battery cell B is inserted into a chamber at a predetermined temperature and measure the internal pressure of the battery cell B.
- the pressure measuring unit 500 and the temperature measuring unit 600 of the battery cell internal pressure measuring device 10 may be connected to a control unit M capable of monitoring internal pressure or temperature.
- the worker or the like can continuously measure pressure or temperature data through the control unit M connected to the pressure measurement unit 500 and the temperature measurement unit 600 .
- the device 10 for measuring internal pressure of the battery cell according to the present embodiment, even if a vent occurs in the battery cell B during the measurement test, through the continuously measurable pressure or temperature data measurement mechanism as described above, Regardless of the vent, the amount of gas inside and the resulting pressure can be checked.
- the worker or the like can collect the generated gas after the test is finished through the collecting valve 730 of the valve unit 700 .
- the internal pressure or temperature data of the battery cell B to be measured can be more effectively measured through the battery cell internal pressure measuring device 10 .
- the battery cell internal pressure measurement device 10 capable of improving the internal pressure measurement efficiency of at least one battery cell B may be provided.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (13)
- 적어도 하나의 배터리 셀의 내압을 측정하기 위한 배터리 셀 내압 측정 장치에 있어서,상기 적어도 하나의 배터리 셀을 수용하기 위한 지그 하우징; 및상기 지그 하우징과 결합하며, 상기 적어도 하나의 배터리 셀을 커버하는 지그 커버;를 포함하며,상기 지그 하우징의 저면에는,상기 적어도 하나의 배터리 셀이 삽입될 수 있는 적어도 하나의 셀 그루브;가 형성되는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제1항에 있어서,상기 적어도 하나의 셀 그루브는,상기 적어도 하나의 배터리 셀의 형상에 대응되는 형상으로 형성되는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제1항에 있어서,상기 지그 하우징과 상기 지그 커버는,적어도 하나의 체결유닛을 통해 상호 스크류 결합되는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제1항에 있어서,상기 지그 하우징과 상기 지그 커버 사이에 구비되는 적어도 하나의 실링부재;를 포함하는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제4항에 있어서,상기 적어도 하나의 실링부재는,상기 지그 하우징과 상기 지그 커버의 테두리를 따라 배치되는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제4항에 있어서,상기 적어도 하나의 실링부재는,오링으로 구비되는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제1항에 있어서,상기 지그 커버에 마련되며, 상기 지그 하우징 내부의 가스 압력을 측정하기 위한 적어도 하나의 압력 측정 유닛;을 포함하는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제7항에 있어서,상기 적어도 하나의 압력 측정 유닛에는,적어도 하나의 압력 센서가 구비되는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제1항에 있어서,상기 지그 커버에 마련되며, 상기 지그 하우징 내부의 온도 변화를 측정하기 위한 적어도 하나의 온도 측정 유닛;을 포함하는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제9항에 있어서,상기 적어도 하나의 온도 측정 유닛에는,적어도 하나의 온도 센서가 구비되는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제1항에 있어서,상기 지그 커버에 마련되며, 상기 지그 하우징 내부로 기체의 유출입을 제어하는 밸브 유닛;을 포함하는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제11항에 있어서,상기 밸브 유닛은,상기 지그 커버 외측에서 상기 지그 하우징 내부로 비활성 기체를 주입하기 위한 퍼징 밸브; 및상기 지그 하우징 내의 내부 기체를 포집하기 위한 포집 밸브;를 포함하는 것을 특징으로 하는 배터리 셀 내압 측정 장치.
- 제1항에 있어서,상기 적어도 하나의 배터리 셀은,파우치형 이차 전지인 것을 특징으로 하는 배터리 셀 내압 측정 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/278,222 US20240230444A9 (en) | 2021-11-12 | 2022-10-18 | Battery cell internal pressure measurement apparatus |
CN202280017674.5A CN116941095A (zh) | 2021-11-12 | 2022-10-18 | 用于测量电池单体内部电压的设备 |
JP2023552561A JP2024508506A (ja) | 2021-11-12 | 2022-10-18 | バッテリーセルの内圧測定装置 |
EP22893055.8A EP4310984A1 (en) | 2021-11-12 | 2022-10-18 | Apparatus for measuring internal voltage in battery cell |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210156089A KR20230069744A (ko) | 2021-11-12 | 2021-11-12 | 배터리 셀 내압 측정 장치 |
KR10-2021-0156089 | 2021-11-12 |
Publications (1)
Publication Number | Publication Date |
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WO2023085632A1 true WO2023085632A1 (ko) | 2023-05-19 |
Family
ID=86336370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/015897 WO2023085632A1 (ko) | 2021-11-12 | 2022-10-18 | 배터리 셀 내압 측정 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240230444A9 (ko) |
EP (1) | EP4310984A1 (ko) |
JP (1) | JP2024508506A (ko) |
KR (1) | KR20230069744A (ko) |
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KR20190107933A (ko) * | 2018-03-13 | 2019-09-23 | 삼성에스디아이 주식회사 | 배터리 셀의 리크 검사 장치 및 리크 검사 방법 |
KR20210156089A (ko) | 2020-06-17 | 2021-12-24 | 주식회사 엘지에너지솔루션 | 버스바와 전압 센싱부재의 연결구조로서 비용접 방식 구조가 적용된 배터리 모듈 |
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2022
- 2022-10-18 CN CN202280017674.5A patent/CN116941095A/zh active Pending
- 2022-10-18 US US18/278,222 patent/US20240230444A9/en active Pending
- 2022-10-18 WO PCT/KR2022/015897 patent/WO2023085632A1/ko active Application Filing
- 2022-10-18 EP EP22893055.8A patent/EP4310984A1/en active Pending
- 2022-10-18 JP JP2023552561A patent/JP2024508506A/ja active Pending
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KR20160072571A (ko) * | 2014-12-15 | 2016-06-23 | 주식회사 엘지화학 | 이차전지용 가스 분석장치 및 그를 이용한 가스 분석방법 |
KR20170042973A (ko) * | 2015-10-12 | 2017-04-20 | 주식회사 엘지화학 | 파우치형 전지셀의 리크 검출장치 및 방법 |
KR20170083214A (ko) * | 2016-01-08 | 2017-07-18 | 주식회사 엘지화학 | 코인셀을 이용한 내부 가스 발생량 측정 장치 |
KR20190107933A (ko) * | 2018-03-13 | 2019-09-23 | 삼성에스디아이 주식회사 | 배터리 셀의 리크 검사 장치 및 리크 검사 방법 |
KR20210156089A (ko) | 2020-06-17 | 2021-12-24 | 주식회사 엘지에너지솔루션 | 버스바와 전압 센싱부재의 연결구조로서 비용접 방식 구조가 적용된 배터리 모듈 |
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US20240133761A1 (en) | 2024-04-25 |
KR20230069744A (ko) | 2023-05-19 |
JP2024508506A (ja) | 2024-02-27 |
EP4310984A1 (en) | 2024-01-24 |
CN116941095A (zh) | 2023-10-24 |
US20240230444A9 (en) | 2024-07-11 |
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