WO2023106737A1 - 금속 포일의 표면에너지 측정 기구 및 이를 이용한 측정방법 - Google Patents
금속 포일의 표면에너지 측정 기구 및 이를 이용한 측정방법 Download PDFInfo
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- WO2023106737A1 WO2023106737A1 PCT/KR2022/019417 KR2022019417W WO2023106737A1 WO 2023106737 A1 WO2023106737 A1 WO 2023106737A1 KR 2022019417 W KR2022019417 W KR 2022019417W WO 2023106737 A1 WO2023106737 A1 WO 2023106737A1
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- reagent
- surface energy
- metal foil
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- measurement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/02—Investigating surface tension of liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/02—Investigating surface tension of liquids
- G01N2013/0275—Investigating surface tension of liquids involving surface-active agents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
- G01N2021/945—Liquid or solid deposits of macroscopic size on surfaces, e.g. drops, films, or clustered contaminants
Definitions
- the present invention measures the surface energy of a metal foil by using a surface energy measuring instrument capable of simply and quickly measuring the surface energy of a metal foil surface and a surface energy measuring instrument capable of uniformly applying a measuring reagent to the surface of the metal foil. It relates to a surface energy measurement method that can be accurately measured.
- secondary batteries are an alternative energy source for fossil fuels that cause air pollutants, and are used in electric vehicles (EVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (P-HEVs) and energy storage devices (ESSs). etc. are applied.
- EVs electric vehicles
- HEVs hybrid electric vehicles
- P-HEVs plug-in hybrid electric vehicles
- ESSs energy storage devices
- Types of secondary batteries that are currently widely used include lithium ion batteries, lithium polymer batteries, nickel cadmium batteries, nickel hydride batteries, nickel zinc batteries, and the like.
- such a secondary battery is formed by accommodating an electrode assembly and an electrolyte solution in a battery case.
- the electrode assembly is a jelly-roll type assembly composed of a structure in which a separator is interposed between a long sheet-shaped positive electrode and a negative electrode and then wound, or a stacked assembly structure in which rectangular positive and negative electrodes are stacked with a separator interposed therebetween , a stack-folding assembly in which unit cells are wound by a long separator film, or a lamination-stack assembly in which battery cells are stacked and attached to each other with a separator interposed therebetween, but is not limited thereto.
- a slurry prepared by dispersing an active material, a conductive material, a binder, etc. in a solvent is applied on an electrode current collector and dried.
- a metal foil is generally used as an electrode current collector, and in particular, an aluminum foil is mainly used as an anode current collector and a copper foil is mainly used as an anode current collector.
- the metal foil is manufactured by cold rolling so as to have properties required as a current collector.
- the rolling oil is removed in a post-rolling process, some rolling oil remains on the surface of the metal foil.
- coating properties may be lowered in the process of applying the slurry on the electrode current collector.
- Patent Document 1 the conventional method for measuring the surface energy of Patent Document 1, which measures the contact angle by dropping a liquid on the surface of the measurement object, can measure the accurate surface energy value, but as in Patent Document 1 It requires complex equipment and is not suitable for easy and quick measurement on the production line.
- the measurement reagent 20 is applied in the form of a long line on the surface of the metal foil 30 using a cotton swab 10, etc., and the level of breakage of the line is checked to determine the level of the metal foil 30.
- a method for determining whether the surface energy satisfies the desired level is used.
- the above conventional measurement method has the shape of the cotton swab 10 and the surface of the cotton swab 10 and the metal foil 30. There is a problem that a difference may occur in the coating amount of the measurement reagent 20 and the thickness of the line depending on the angle formed, the force applied to the cotton swab 10, and the like.
- the measurer directly draws a line on the surface of the metal foil 30 using the cotton swab 10 dipped in the measuring reagent 20, it is difficult to keep the pressure applied to the cotton swab 10 constant.
- a dyne pen is also used instead of a cotton swab. Even when using a dyne pen to apply the measurement reagent, there is a problem in that the amount of the measurement reagent is not constant, and it is difficult to use it repeatedly due to contamination of the dyne pen. This can also lead to cost increases.
- Patent Document 1 Korean Patent Registration No. 1952307
- an object of the present invention is to provide a surface energy measuring instrument having a replaceable cotton ball and a measuring method using the same, which can uniformly apply a measuring reagent to the surface of a metal foil. .
- a surface energy measuring device for achieving the above object is a surface energy measuring device for measuring the surface energy of a metal foil by applying a measuring reagent to the surface of the metal foil, the surface energy measurement
- the instrument includes a body part 100 for storing and discharging the measuring reagent and an application part 200 for applying the measuring reagent supplied from the body part 100 to the surface of the metal foil, and the body part ( 100) includes a reagent storage unit 110 for storing the measurement reagent; a reagent inlet 120 positioned above the reagent storage unit 110 to inject the measurement reagent into the reagent storage unit 110; a reagent outlet 130 located at a lower portion of the reagent storage unit 110 to discharge the measurement reagent; and a discharge control unit 140 connected to the reagent outlet 130 to control the discharge amount of the measurement reagent discharged from the reagent storage unit 110 .
- the application part 200 is located under the connection part 210 connected to the body part 100 and the connection part 210 and contacts the surface of the metal foil to measure the It is characterized in that it comprises a cotton ball (Cotton ball, 240) for applying the measurement reagent to the surface of the metal foil.
- a cotton ball Cotton ball, 240
- the application unit 200 is located between the connection unit 210 and the cotton ball 240 to control the pressure applied to the cotton ball 240, thereby measuring the It is characterized by further comprising a stopper 230 for constantly controlling the amount of reagent applied.
- the stopper 230 is located above the spring 231 that adjusts the pressure applied to the cotton ball 240 and the spring 231 to fix the spring It is characterized in that it includes a fixing part 232 and a pressing part 233 located below the spring 231 and in contact with the cotton ball 240.
- the application unit 200 further includes a cover unit 220 positioned in a form surrounding the stopper 230, the connection unit 210, and the cotton ball 240 It is characterized by including.
- the cover part 220 has a wide upper part connected to the body part 100 and a narrow lower part where the cotton ball 240 is located, so that the side surface is inclined.
- the body part 100 further comprises a discharge pipe 150 for supplying the measuring reagent discharged from the reagent storage part 110 to the cotton ball 240 characterized by
- one side of the discharge pipe 150 is connected to the reagent outlet 130, and the other end is in contact with the inner wall surface of the cover part 220. It is characterized in that.
- the discharge control unit 140 is characterized in that it is provided with a dial gauge to control the discharge amount of the measurement reagent.
- the cotton ball 240 is characterized in that it is replaceable.
- the surface energy measuring method uses a surface energy measuring instrument 1000 capable of uniformly applying a measuring reagent on the surface of the metal foil to measure the surface energy of the metal foil
- a method comprising: a) placing the metal foil on a measurement table (3000); b) injecting the measurement reagent into the surface energy measuring device 1000; c) mounting the surface energy measurement device 1000 on a jig 2000; d) moving the measuring table 3000 to position the surface energy measuring device 1000 on the surface of the metal foil; and e) moving the measurement table 3000 to apply the measurement reagent on the surface of the metal foil in a line form.
- the surface energy measuring device 1000 includes a body part 100 for storing and discharging the measuring reagent and the measuring reagent supplied from the body part on the surface of the metal foil. It includes an application unit 200 for applying to, and the application unit 200 includes a cotton ball (Cotton ball, 240) that contacts the metal foil and applies the measurement reagent to the surface of the metal foil.
- a cotton ball Cotton ball, 240
- step e) using a camera 4000 to sense the line shape of the measurement reagent to determine whether or not it is defective, characterized in that it further comprises do.
- the step f) is characterized in that the degree of breakage of the line sensed by the camera determines whether or not it is defective.
- the jig is characterized in that a push pull gauge is provided.
- the step d) includes moving the measurement table in a vertical direction to reach a pressure set in the tension-compression gauge.
- steps d), steps e) and steps f) are repeatedly performed at different locations on the metal foil to determine whether or not they are defective.
- the surface energy measuring method is characterized in that it comprises the step of replacing the cotton ball of the surface energy measuring device after determining whether the metal foil is defective.
- the measuring reagent is characterized in that it includes ethylene glycol monoethyl ether (Ethylene Glycol Monoethyl Ether).
- the metal foil is characterized in that the aluminum (Al) foil.
- the surface energy measuring instrument of the present invention has the advantage of being able to measure the surface energy of the metal foil simply and accurately because the measurement reagent can be uniformly applied to the surface of the metal foil without an additional device.
- the surface energy measuring instrument of the present invention can easily replace the cotton ball in contact with the metal foil, thereby reducing the measurement cost.
- the surface energy measuring method of the present invention has the advantage of uniformly applying a measuring reagent to the surface of a metal foil at a constant pressure using a microscopically movable measuring table and a tensile compression gauge.
- the method for measuring surface energy of the present invention has the advantage of being able to measure the surface energy of the metal foil simply and accurately because the measuring reagent can be uniformly applied and the applied state can be sensed with a camera.
- 1 is a view schematically showing a method of measuring surface energy by measuring a conventional contact angle.
- FIG. 2 is a view schematically showing a method of measuring surface energy by soaking a measuring reagent in a conventional cotton swab.
- FIG. 3 is a diagram schematically showing a surface energy measuring instrument according to an embodiment of the present invention.
- FIG. 4 is an enlarged view of the dotted line inner coating portion of FIG. 3 .
- FIG. 5 is a view showing a shape in which cotton balls are removed from a surface energy measuring instrument according to an embodiment of the present invention.
- FIG. 6 is a view showing the behavior of a stopper before (a) and after (b) pressing in a surface energy measuring instrument according to an embodiment of the present invention.
- FIG. 7 is a diagram schematically showing a method for measuring surface energy according to an embodiment of the present invention.
- FIG. 3 is a schematic view of a surface energy measuring device according to an embodiment of the present invention
- FIG. 4 is an enlarged view of the dotted line inner coating portion of FIG. 3 .
- the surface energy measuring instrument 1000 of the present invention largely consists of a body part 100 for storing and discharging a measuring reagent and a body part. It includes an application unit 200 that uniformly applies the discharged measurement reagent to the surface of the metal foil to measure the surface energy.
- the body part 100 includes a reagent storage part 110, a reagent inlet 120, a reagent outlet 130, a discharge control part 140, and a discharge pipe 150.
- the reagent storage unit 110 is a part that stores a certain amount of measurement reagent, and can sufficiently store the measurement reagent, so that the surface energy of the metal foil can be measured without additional supply of measurement reagent.
- the reagent storage unit 110 is made of a transparent material that can check the measurement reagents inside, and measures by displaying a scale. You can also immediately check the amount of reagent remaining.
- the material of the reagent storage unit 110 may be appropriately selected within a range of transparency enough to confirm the remaining amount of the reagent for measurement therein and no reactivity with the reagent for measurement stored therein.
- the shape of the reagent storage unit 110 can be either a cylindrical shape or a polygonal column shape, and the thickness is not particularly limited, but can be appropriately selected within a range that can be easily used by a measurer.
- a reagent inlet 120 for injecting a measurement reagent into the reagent storage 110 is provided at the top of the reagent storage unit 110, and the reagent inlet 120 can be opened and closed.
- a reagent discharge port 130 for discharging measurement reagents from the reagent storage unit 110 is provided at the bottom of the reagent storage unit 110, and a reagent discharge port 130 is provided for adjusting the amount of the measurement reagent discharged.
- Discharge control unit 140 is connected.
- Such a discharge control unit 140 can be applied to various well-known devices such as valves, preferably a dial gauge that can easily adjust the discharge amount.
- a discharge pipe 150 is provided below the reagent outlet 130 to guide the measurement reagent discharged from the reagent outlet 130 to a desired location of the application unit 200 .
- the application unit 200 includes a connection unit 210, a cover unit 220, a stopper 230, and a cotton ball 240.
- connection part 210 has an upper part connected to the body part 100, and a stopper 230 and a cotton ball 240 are provided at the lower part.
- the cover part 220 is provided in a form surrounding the connection part 210, the stopper 230, and the cotton ball 240, and the upper part connected to the body part 100 is wider and the lower part where the cotton ball 240 is located is narrow. have a form
- the cover part 220 having such a shape has an inclined side surface, and the discharge pipe 150 may be provided in such a way that an end through which the measurement reagent is discharged is in contact with the inner wall surface of the cover part 220 .
- the measurement reagent discharged from the discharge pipe 150 permeates the lower cotton ball 240 along the inner wall surface of the cover part 200 .
- the discharge amount of the measurement reagent is appropriately adjusted using the discharge control unit 140 and the surface energy is measured by bringing the cotton ball 240 into contact with the metal foil, a certain amount of the measurement reagent is continuously supplied to the cotton ball 240. It becomes possible to supply, and accordingly, the accuracy of the measurement of the surface energy is also increased.
- the cotton ball 240 is a ball-shaped bundle of cotton or cotton, can be compressed by pressure, and can be appropriately selected and used from various known cotton balls 240 that have a characteristic that the solution permeates well.
- FIG. 5 is a view showing a shape in which cotton balls are removed from a surface energy measuring instrument according to an embodiment of the present invention.
- the cotton ball 240 can be easily removed and replaced after use, as shown in FIG. 5, to prevent contamination by rolling oil remaining in the metal foil.
- FIG. 6 is a view showing the behavior of a stopper before (a) and after (b) pressing in a surface energy measuring instrument according to an embodiment of the present invention.
- the stopper 230 is for controlling the amount of application of the measuring reagent by adjusting the pressure applied to the cotton ball 240, the cotton ball ( A spring 231 that adjusts the pressure applied to 240, a fixing part 232 located above the spring 231 to fix the spring 231, and a cotton ball 240 located below the spring 231 It includes a pressing part 233 in contact with.
- the amount of the measuring reagent applied to the surface of the metal foil may vary according to the pressing pressure of the cotton ball 240 supplied with the measuring reagent, it is necessary to control this.
- the stopper 230 is provided above the cotton ball, even if the pressure applied to the cotton ball 240 exceeds a certain level for measuring surface energy, the stopper 230 partially absorbs the pressure so that the cotton ball It is possible to prevent too much pressure from being applied to (240).
- the stopper 230 may be manufactured by appropriately selecting the elasticity of the spring 231 according to a desired pressure range.
- FIG. 7 is a diagram schematically showing a method for measuring surface energy according to an embodiment of the present invention.
- the surface energy measuring method is a) placing the metal foil on the measuring table 3000 b) injecting a measuring reagent into the surface energy measuring device 1000, c) mounting the surface energy measuring device 1000 on the jig 2000, d) moving the measuring table 3000 to measure the surface energy Positioning the measuring instrument 1000 on the surface of the metal foil, and e) moving the measuring table 3000 to apply the measuring reagent to the surface of the metal foil in a line form.
- a step of applying the measuring reagent to the surface of the metal foil and then sensing the line shape of the measuring reagent using the camera 4000 to determine whether or not it is defective is further included.
- a method of determining whether or not a product is defective may be determined from the degree of breakage of a line sensed by a camera.
- the line to which the measurement reagent is applied is broken within a certain period of time, it is determined to be defective.
- the camera 4000 for sensing the line on which the measurement reagent is applied various well-known cameras may be used, and a CCD camera may be used as an example.
- a push pull gauge is provided in the jig 2000 on which the surface energy measuring device 1000 is mounted, and interlocks with the measurement table 3000 to form a gap between the surface energy measuring device 1000 and the metal foil. You can have any pressure you want.
- the measurement table 3000 is mounted with a metal foil, and can be moved forward and backward, left and right horizontally and vertically.
- the measurement table 3000 can be moved minutely in millimeters for accurate measurement of surface energy, and for this purpose, a servo motor or the like may be provided as a driving means.
- the measurement table 3000 may work in conjunction with the tension/compression gauge of the jig 2000 to finely control the movement in the vertical direction so that the pressure between the surface energy measuring device 1000 and the metal foil has a set value.
- the measurement reagent can automatically move at a uniform speed according to the set value in the horizontal direction and uniformly apply the measurement reagent to the surface of the metal foil.
- a line is drawn on the metal foil through steps d) and e), and the step of sensing the line and determining whether it is defective is repeated.
- the cotton ball 240 of the surface energy measurement device 1000 may be properly replaced in consideration of contamination by rolling oil remaining on the metal foil, and may be replaced after measurement of one metal foil is completed, It is not limited to this.
- measuring reagent used for measuring the surface energy known measuring reagents may be used alone or in combination of two or more in an appropriate ratio according to a desired Dyne index.
- a mixture of ethylene glycol monoethyl ether and formamide in an appropriate ratio should be used as a measurement reagent.
- the mixing ratio of the two measurement reagents can be selected by referring to a known ratio according to the required dyne index.
- the metal foil judged as a good product in the above surface energy measurement step can be used as an electrode current collector.
- an electrode may be manufactured by applying a slurry containing an active material on a metal foil, and a battery cell may be manufactured using the electrode thus manufactured.
- the battery cell manufactured in this way can be manufactured in the form of a module or a pack and used as a power source for various devices.
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Abstract
Description
Claims (20)
- 금속 포일(Foil)의 표면에 측정 시약을 도포하여 상기 금속 포일의 표면에너지를 측정하기 위한 표면에너지 측정 기구로서,상기 표면에너지 측정 기구는 상기 측정 시약을 보관, 배출하는 몸체부 및 상기 몸체부로부터 공급된 상기 측정 시약을 상기 금속 포일의 표면에 도포하는 도포부를 포함하고,상기 몸체부는 상기 측정 시약을 보관하는 시약 보관부;상기 시약 보관부의 상부에 위치하여 상기 시약 보관부에 상기 측정 시약을 주입하기 위한 시약 주입구;상기 시약 보관부의 하부에 위치하여 상기 측정 시약을 배출하는 시약 배출구; 및상기 시약 배출구에 연결되어 상기 시약 보관부에서 배출되는 상기 측정 시약의 배출량을 조절하는 배출량 조절부;를 포함하는 표면에너지 측정 기구.
- 제1항에 있어서, 상기 도포부는 상기 몸체부와 연결된 연결부 및 상기 연결부 하부에 위치하여 상기 금속 포일의 표면에 접촉하여 상기 측정 시약을 상기 금속 포일의 표면에 도포하는 코튼 볼(Cotton ball)을 포함하는 것을 특징으로 하는 표면에너지 측정 기구.
- 제2항에 있어서, 상기 도포부는 상기 연결부와 상기 코튼 볼 사이에 위치하여 상기 코튼 볼에 가해지는 압력을 조절함으로써 상기 측정 시약의 도포량을 일정하게 제어하기 위한 스토퍼를 더 구비하는 것을 특징으로 하는 표면에너지 측정 기구.
- 제3항에 있어서, 상기 스토퍼는 상기 코튼 볼에 가해지는 압력을 조절하는 스프링, 상기 스프링의 상부에 위치하여 상기 스프링을 고정하는 고정부 및 상기 스프링의 하부에 위치하여 상기 코튼 볼과 접촉하는 가압부를 포함하는 것을 특징으로 하는 표면에너지 측정 기구.
- 제3항에 있어서, 상기 도포부는 상기 스토퍼, 상기 연결부 및 상기 코튼 볼을 감싸는 형태로 위치하는 커버부를 더 포함하는 것을 특징으로 하는 표면에너지 측정 기구.
- 제5항에 있어서, 상기 커버부는 상기 몸체부에 연결된 상부가 넓고, 상기 코튼 볼이 위치하는 하부가 좁아 측면이 경사진 형태인 것을 특징으로 하는 표면에너지 측정 기구.
- 제6항에 있어서, 상기 몸체부는 상기 시약 보관부에서 배출되는 상기 측정 시약을 상기 코튼 볼에 공급하는 배출관을 더 포함하는 것을 특징으로 하는 표면에너지 측정 기구.
- 제7항에 있어서, 상기 배출관의 일측은 상기 시약 배출구에 연결되고, 타측 끝단은 상기 커버부의 내측 벽면에 접하고 있는 것을 특징으로 하는 표면에너지 측정 기구.
- 제1항에 있어서, 상기 배출량 조절부는 다이얼 게이지를 구비하여 상기 측정 시약의 배출량을 조절하는 것을 특징으로 하는 표면에너지 측정 기구.
- 제2항에 있어서, 상기 코튼 볼은 교체가 가능한 것을 특징으로 하는 표면에너지 측정 기구.
- 금속 포일(Metal foil)의 표면에 측정 시약을 균일하게 도포할 수 있는 표면에너지 측정 기구를 사용하여 상기 금속 포일의 표면에너지를 측정할 수 있는 방법으로서,a) 상기 금속 포일을 측정 테이블 상에 위치시키는 단계;b) 상기 표면에너지 측정 기구 내에 상기 측정 시약을 주입하는 단계;c) 상기 표면에너지 측정 기구를 지그에 장착하는 단계;d) 상기 측정 테이블을 이동시켜 상기 표면에너지 측정 기구를 상기 금속 포일의 표면에 위치시키는 단계; 및e) 상기 측정 테이블을 이동시켜 상기 측정 시약을 상기 금속 포일의 표면에 선 형태로 도포하는 단계;를 포함하는 표면에너지 측정 방법.
- 제11항에 있어서, 상기 표면에너지 측정 기구는상기 측정 시약을 보관, 배출하는 몸체부 및 상기 몸체부로부터 공급된 상기 측정 시약을 상기 금속 포일의 표면에 도포하는 도포부를 포함하고,상기 도포부는 상기 금속 포일과 접촉하여 상기 측정 시약을 상기 금속 포일의 표면에 도포하는 코튼 볼(Cotton ball)을 포함하는 것을 특징으로 하는 표면에너지 측정 방법.
- 제12항에 있어서, 상기 e) 단계 이후에 f) 카메라를 이용하여 상기 측정 시약의 상기 선 형태를 센싱하여 불량여부를 판정하는 단계를 더 포함하는 것을 특징으로 하는 표면에너지 측정 방법.
- 제13항에 있어서, 상기 f) 단계는 상기 카메라에 의하여 센싱된 상기 선의 끊어짐 정도로 불량여부를 판정하는 것을 특징으로 하는 표면에너지 측정 방법.
- 제13항에 있어서, 상기 지그에는 인장압축 게이지(Push pull gauge)가 구비되어 있는 것을 특징으로 하는 표면에너지 측정 방법.
- 제15항에 있어서, 상기 d) 단계는 상기 측정 테이블을 상기 인장압축 게이지에 설정된 압력에 도달하도록 수직 방향으로 이동시키는 단계를 포함하는 것을 특징으로 하는 표면에너지 측정 방법.
- 제13항에 있어서, 상기 d) 단계, 상기 e) 단계 및 상기 f) 단계를 상기금속 포일 상의 서로 다른 위치에 반복 실시하여 불량여부를 판정하는 것을 특징으로 하는 표면에너지 측정 방법.
- 제17항에 있어서, 상기 금속 포일의 불량여부를 판정 후 상기 표면에너지 측정 기구의 상기 코튼 볼을 교체하는 단계를 포함하는 것을 특징으로 하는 표면에너지 측정 방법.
- 제13항에 있어서, 상기 측정 시약은 에틸렌 글리콜 모노에틸 에테르(Ethylene Glycol Monoethyl Ether)를 포함하는 것을 특징으로 하는 표면에너지 측정 방법.
- 제19항에 있어서, 상기 금속 포일은 알루미늄(Al) 포일인 것을 특징으로 하는 표면에너지 측정 방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/279,308 US20240142358A1 (en) | 2021-12-10 | 2022-12-01 | Surface Energy Measurement Instrument For Metal Foil And Measurement Method Using The Same |
| JP2023536178A JP7608011B2 (ja) | 2021-12-10 | 2022-12-01 | 金属ホイルの表面エネルギー測定機構及びこれを用いた測定方法 |
| CN202280008357.7A CN116710753A (zh) | 2021-12-10 | 2022-12-01 | 用于金属箔的表面能测量仪器和使用该表面能测量仪器的测量方法 |
| ES22904567T ES3052486T3 (en) | 2021-12-10 | 2022-12-01 | Surface energy measurement device for metal foil, and measurement method using same |
| PL22904567.9T PL4257950T3 (pl) | 2021-12-10 | 2022-12-01 | Urządzenie do pomiaru energii powierzchniowej folii metalowej oraz sposób pomiaru z jego użyciem |
| EP22904567.9A EP4257950B1 (en) | 2021-12-10 | 2022-12-01 | Surface energy measurement device for metal foil, and measurement method using same |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2021-0176561 | 2021-12-10 | ||
| KR1020210176561A KR102860810B1 (ko) | 2021-12-10 | 2021-12-10 | 금속 포일의 표면에너지 측정 기구 |
| KR10-2021-0176579 | 2021-12-10 | ||
| KR1020210176579A KR20230087916A (ko) | 2021-12-10 | 2021-12-10 | 금속 포일의 표면에너지 측정 방법 |
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| WO2023106737A1 true WO2023106737A1 (ko) | 2023-06-15 |
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| PCT/KR2022/019417 Ceased WO2023106737A1 (ko) | 2021-12-10 | 2022-12-01 | 금속 포일의 표면에너지 측정 기구 및 이를 이용한 측정방법 |
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| Country | Link |
|---|---|
| US (1) | US20240142358A1 (ko) |
| EP (1) | EP4257950B1 (ko) |
| JP (1) | JP7608011B2 (ko) |
| ES (1) | ES3052486T3 (ko) |
| PL (1) | PL4257950T3 (ko) |
| WO (1) | WO2023106737A1 (ko) |
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| JP2000097835A (ja) * | 1998-09-25 | 2000-04-07 | Seiko Epson Corp | 基板の濡れ性判定方法、該判定方法に用いられる試薬塗布具及び液晶装置の製造方法 |
| JP2010507803A (ja) * | 2006-10-23 | 2010-03-11 | ジョン サミュエル バチェルダー | 表面エネルギー測定装置および測定方法 |
| KR20100125091A (ko) * | 2009-05-20 | 2010-11-30 | 서피스텍 주식회사 | 접촉각 측정 모듈 및 이를 구비한 표면 에너지 측정 장치 |
| KR101583303B1 (ko) * | 2014-11-20 | 2016-01-11 | 포항공과대학교 산학협력단 | 표면 에너지 측정을 위한 미세액적 분석 장치 및 미세액적 분석 방법 |
| KR101952307B1 (ko) | 2018-11-01 | 2019-02-26 | (주)피엘시스템즈 | 표면에너지 측정 시스템 |
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| JPS6165342U (ko) * | 1984-10-04 | 1986-05-06 | ||
| US5387046A (en) * | 1993-03-26 | 1995-02-07 | Kabushiki Kaisha Mikado Seisakusho | Applying implement having an application tip shiftable independently of a valve member |
| CN212932302U (zh) * | 2020-09-25 | 2021-04-09 | 云南名博包装印刷有限公司 | 一种能测试不同表面张力的达因笔 |
-
2022
- 2022-12-01 ES ES22904567T patent/ES3052486T3/es active Active
- 2022-12-01 PL PL22904567.9T patent/PL4257950T3/pl unknown
- 2022-12-01 EP EP22904567.9A patent/EP4257950B1/en active Active
- 2022-12-01 JP JP2023536178A patent/JP7608011B2/ja active Active
- 2022-12-01 WO PCT/KR2022/019417 patent/WO2023106737A1/ko not_active Ceased
- 2022-12-01 US US18/279,308 patent/US20240142358A1/en active Pending
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| JPH11230886A (ja) * | 1997-11-28 | 1999-08-27 | Kruess Gmbh Wissenschaftliche Laborgeraete | 接触角測定装置および接触角測定方法 |
| JP2000097835A (ja) * | 1998-09-25 | 2000-04-07 | Seiko Epson Corp | 基板の濡れ性判定方法、該判定方法に用いられる試薬塗布具及び液晶装置の製造方法 |
| JP2010507803A (ja) * | 2006-10-23 | 2010-03-11 | ジョン サミュエル バチェルダー | 表面エネルギー測定装置および測定方法 |
| KR20100125091A (ko) * | 2009-05-20 | 2010-11-30 | 서피스텍 주식회사 | 접촉각 측정 모듈 및 이를 구비한 표면 에너지 측정 장치 |
| KR101583303B1 (ko) * | 2014-11-20 | 2016-01-11 | 포항공과대학교 산학협력단 | 표면 에너지 측정을 위한 미세액적 분석 장치 및 미세액적 분석 방법 |
| KR101952307B1 (ko) | 2018-11-01 | 2019-02-26 | (주)피엘시스템즈 | 표면에너지 측정 시스템 |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP4257950B1 (en) | 2025-10-08 |
| ES3052486T3 (en) | 2026-01-07 |
| JP7608011B2 (ja) | 2025-01-06 |
| JP2024502410A (ja) | 2024-01-19 |
| EP4257950A1 (en) | 2023-10-11 |
| EP4257950A4 (en) | 2024-08-07 |
| PL4257950T3 (pl) | 2025-12-15 |
| US20240142358A1 (en) | 2024-05-02 |
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