WO2016114257A1 - 電極積層体における電極板の位置ずれ検出方法およびその装置 - Google Patents
電極積層体における電極板の位置ずれ検出方法およびその装置 Download PDFInfo
- Publication number
- WO2016114257A1 WO2016114257A1 PCT/JP2016/050682 JP2016050682W WO2016114257A1 WO 2016114257 A1 WO2016114257 A1 WO 2016114257A1 JP 2016050682 W JP2016050682 W JP 2016050682W WO 2016114257 A1 WO2016114257 A1 WO 2016114257A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- positive electrode
- electrode plate
- negative electrode
- ray
- active material
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 4
- 239000011888 foil Substances 0.000 claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000007774 positive electrode material Substances 0.000 claims abstract description 29
- 230000001678 irradiating effect Effects 0.000 claims abstract description 9
- 239000012212 insulator Substances 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 11
- 239000007773 negative electrode material Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
- G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
-
- 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
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- 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
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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 invention relates to a method and an apparatus for detecting a displacement of an electrode plate in an electrode laminate, and is particularly useful when applied to a manufacturing process of a stack type lithium ion battery.
- an electrode laminate having a stack structure in which positive electrode plates and negative electrode plates are alternately laminated via insulating separators.
- FIGS. 4A and 4B are diagrams showing a positive electrode plate of a lithium ion secondary battery having a stack structure, where FIG. 4A is a plan view thereof, FIG. 4B is a side view thereof, and FIG. 5 is a diagram showing a negative electrode plate. Is a plan view thereof, and (b) is a side view thereof.
- the positive electrode plate 1 is formed by applying the positive electrode active material 5 on both surfaces of the positive electrode sheet 3, and a positive electrode connection terminal at the end (left end in FIG. 4).
- a positive electrode side connection portion 7 for connection to (not shown) is formed.
- the positive electrode side connection portion 7 is a tab to which the positive electrode active material 5 is not applied.
- the positive electrode sheet 3 has electrical conductivity and is not particularly limited as long as the positive electrode active material 5 can be applied on the surface, aluminum foil is widely used.
- the negative electrode plate 2 is formed by applying a negative electrode active material 6 on both surfaces of the negative electrode sheet 4, and a negative electrode is formed at its end (right end in FIG. 5).
- a negative electrode side connection portion 8 for connection to a connection terminal (not shown) is formed.
- the negative electrode side connection portion 8 is a tab to which the negative electrode active material 6 is not applied.
- the negative electrode sheet 4 has electrical conductivity and is not particularly limited as long as the negative electrode active material 6 can be applied on the surface, copper foil is widely used.
- the positive and negative electrode plates 1 and 2 are inserted into the valley grooves 9A of the separator 9 so as to face each other with the insulator separator 9 zigzag-folded therebetween, and then vertically To form a stacked electrode laminate I shown in FIG.
- a plurality of positive electrode side connection portions 7 protruding from one end portion in the width direction of the separator 9 and a plurality of negative electrode side connection portions 8 protruding from the other end portion of the separator 9 are illustrated in the next step. Not connected with positive connection terminal and negative connection terminal.
- the deviation in the laminated state between the positive electrode plate 1 and the negative electrode plate 2 in the electrode laminate I causes various problems such as a short circuit between the electrodes. Therefore, it is necessary to manage the quality so that the amount of deviation between each positive electrode plate 1 and negative electrode plate 2 falls within a specified value.
- displacement detection for detecting the displacement of the electrode plates (the positive electrode plate 1 and the negative electrode plate 2) in the electrode laminate I has been conventionally performed by non-destructive inspection using X-rays.
- FIGS. 8A and 8B are diagrams conceptually showing a position shift detection mode using X-rays according to the prior art, in which FIG. 8A is a schematic view seen from the top, and FIG. 8B is a schematic view seen from the end face side. is there. As shown in both figures, the width direction (Y in the figure) of the electrode laminate I in a predetermined A region (a region including the boundary portion between the positive electrode side connecting portion 7 and the positive electrode active material 5) on one end face side of the separator 9 is shown.
- the position of the positive electrode end of the negative electrode plate 2 (negative electrode end position on the opposite side of the negative electrode connecting portion 8 (coating of the negative electrode active material 6) Detect the work end)).
- the width direction of the electrode laminate I (the Y axis direction in the drawing)
- the width direction of the electrode laminate I (the Y axis direction in the drawing)
- the position of the end of the negative electrode plate 2 on the positive electrode side connecting portion 7 side, the position of the end of the positive electrode plate 1 on the negative electrode side connecting portion 8 side, the end of the positive electrode side connecting portion 7 obtained in this way
- the distance between the positive electrode plates 1 stacked by calculation from information such as the position, the position of the end of the negative electrode side connecting portion 8, the distance between the negative electrode plates 2 stacked, the positive electrode plate 1 and the negative electrode stacked A distance from the plate 2 is obtained, and a positional deviation between the positive electrode plate 1 and the negative electrode plate 2 is detected by comparison with a reference value given as a design value.
- Patent Document 1 as a publicly known document disclosing the point of detecting the position of the electrode plate using X-rays.
- the tip of the positive electrode side connecting portion 7 which is a tab on the positive electrode side, and the side opposite to the tab on the negative electrode side in the negative electrode plate 2 Or the tip of the negative electrode side connecting portion 8 which is a negative electrode side tab, and the negative electrode side tab of the positive electrode plate 1, by irradiating the region B (negative electrode side connecting portion 8 side) with X-rays
- the region B negative electrode side connecting portion 8 side
- the positive electrode side connecting portion 7 is an aluminum foil and the negative electrode side connecting portion 8 is a copper foil, both of them are poor in rigidity and the tip portion hangs down.
- the inventor has come up with the idea of detecting a position shift only by an X-ray image of a predetermined area A by deleting the X-ray image of the positive electrode side connection portion 7 formed of aluminum foil by increasing the intensity of the X-ray. .
- the present invention provides an electrode laminate capable of shortening the tact time of the inspection by appropriately detecting the positional deviation of the electrode plate with high accuracy only by the X-ray image information at one end of the electrode plate. It is an object of the present invention to provide a method and an apparatus for detecting a displacement of an electrode plate.
- the first aspect of the present invention that achieves the above object is to provide a positive electrode plate formed by applying a positive electrode active material on both sides of a positive electrode sheet formed of aluminum foil, and a negative electrode formed of another metal foil.
- the positive electrode active material projecting from one end face in the width direction of the separator of the electrode laminate laminated alternately via negative electrode plates and insulator separators formed on both surfaces of the sheet, respectively.
- the X-ray image is taken by irradiating X-rays toward a predetermined region on one end face side of the electrode laminate including the positive electrode side connection portion of the aluminum foil which is an uncoated portion, and the X-ray image
- the intensity of the X-ray is adjusted so that the aluminum foil does not appear, the position of the coating end of the positive electrode active material that is the boundary with the positive electrode side connection portion in the X-ray image, and the negative electrode on the one end face side
- the position of the end face of the plate and the position of the coating end And detecting a displacement of the positive electrode plate and the negative electrode plate based on the position of the end face of the negative electrode plate on the one end face side.
- the tact time in the electrode plate misalignment inspection can be shortened as compared with the prior art.
- the reference positions in the inspection include the coating end of the positive electrode active material, which is a boundary with the positive electrode side connection portion, and the end surface on the positive electrode side connection portion side of the negative electrode plate.
- the positive electrode side connection portion which is an aluminum foil that may cause such position detection noise, is removed from the X-ray image, so that the position serving as the detection reference can be determined. Since it can be clearly identified on the X-ray image, it is possible to accurately detect a positional deviation.
- the X-ray has an intensity to obtain a tube voltage in the X-ray tube of 70 kV or more and a tube current of 280 ⁇ A or more.
- the electrode plate misalignment detection method in the electrode laminate is characterized by the above.
- the positive electrode side connection portion which is an aluminum foil, can be reliably removed from the predetermined X-ray image.
- a positive electrode plate formed by applying a positive electrode active material on both sides of a positive electrode sheet formed of aluminum foil, and a negative electrode sheet formed of another metal foil, respectively.
- the separator of the electrode laminate in the width direction of the separator is provided.
- the predetermined portion on the one end face side of the electrode laminate including the positive electrode side connecting portion of the aluminum foil that is an uncoated portion of the positive electrode active material protruding from one end face in the width direction of the separator of the electrode laminate The aluminum foil in the area of The X-ray detector generates an X-ray image signal representing the image of the predetermined region by entering the irradiated X-ray, and the arithmetic processing unit Based on the X-ray image signal, the position of the coating end of the positive electrode active material that is the boundary with the positive electrode side connection portion and the position of the end surface of the negative electrode plate on the one end surface side are specified,
- a predetermined X-ray image is obtained by the X-ray irradiator and the X-ray detector disposed opposite to each other at one position on the positive electrode side that is one end side in the width direction of the electrode stack. Therefore, the tact time in the electrode plate misalignment inspection can be shortened as compared with the prior art.
- the coating end of the positive electrode active material and the end surface on the positive electrode side of the negative electrode plate, which are boundaries with the positive electrode side connection unit Is included are included.
- the positive electrode side connection portion which is an aluminum foil that may cause such position detection noise, is removed from the X-ray image, so that the position serving as the detection reference is set to X-ray. Since it can be clearly identified on the image, the amount of deviation can also be accurately detected.
- the X-ray tube that emits X-rays in the X-ray irradiation unit has a tube voltage of 70 kV or higher.
- the tube current is 280 ⁇ A or more.
- the positive electrode side connection portion which is an aluminum foil, can be reliably removed from the predetermined X-ray image.
- the tact time in the electrode plate misalignment inspection can be shortened compared to the conventional technique.
- FIG. 1 is an explanatory diagram conceptually showing an X-ray inspection apparatus according to an embodiment of the present invention together with its inspection mode.
- the X-ray inspection apparatus 10 includes an X-ray irradiation unit 11 that irradiates X-rays in the Y-axis direction in the drawing, and an X-ray that enters the X-rays irradiated by the X-ray irradiation unit 11 And a detector 12.
- the X-ray irradiation unit 11 is an uncoated portion of the positive electrode active material 5 (for example, see FIG.
- the positive electrode side connection part 7 in this embodiment is formed of aluminum foil.
- the X-ray irradiating part 11 is formed of the electrode laminated body I including the positive electrode side connecting part 7 of the aluminum foil which is an uncoated part of the positive electrode active material 5 protruding from one end face in the width direction of the separator 9 of the electrode laminated body I.
- a predetermined region A on one end face side is irradiated with X-rays having an intensity that passes through the aluminum foil in the width direction (Y-axis direction in the drawing) of the electrode plate.
- the tube voltage in the X-ray tube of the X-ray irradiation unit 11 is set to 70 kV or more, and the tube current is set to 280 ⁇ A or more. This is because the X-ray having this intensity can surely remove the positive electrode side connecting portion 7 which is an aluminum foil from a predetermined X-ray image.
- the X-ray detection unit 12 enters the irradiated X-rays to generate an X-ray image signal representing an image of a predetermined region A, and performs a predetermined calculation in the built-in calculation processing unit 12A.
- the positional deviation detection with respect to the electrode plate is performed, for example, the relative displacement between the positive and negative electrode plates 1 and 2 is calculated.
- FIG. 2 is an explanatory diagram of an X-ray image of a predetermined region A on the positive electrode side connection unit side obtained by the X-ray detection unit 12.
- the image of the positive electrode side connection portion 7 that is an aluminum foil is completely removed. This is because X-rays are completely transmitted through the aluminum foil.
- the positive electrode side connection part 7 is shown with the dotted line.
- the separator 9 exists between the positive electrode plate 1 and the negative electrode plate 2, a separator is not reflected in the X-ray image shown in FIG. This is because the separator 9 is thin and polypropylene, which is a material constituting the separator, is difficult to appear in the X-ray image.
- a photograph showing an actual X-ray image in this case is shown in FIG.
- the position P2 of the end face of the electrode plate 2 is specified.
- the relative shift amount in the electrode laminate I between the positive electrode plate 1 and the negative electrode plate 2 is calculated from the difference between the positions P1 and P2.
- the allowable error of the positions P1 and P2 based on the design value is stored in advance in the arithmetic processing unit 12A, the amount of deviation between the positive electrode plate 1 and the negative electrode plate 2 is within the allowable value. Judgment is also made as to whether or not it is within.
- a predetermined X-ray image is obtained by the X-ray irradiation unit 11 and the X-ray detection unit 12 that are arranged to face each other at one position on the positive electrode side that is one end side in the width direction of the electrode stack I.
- the tact time in the positional deviation inspection of the positive and negative electrode plates 1 and 2 can be shortened as compared with the prior art.
- the position used as a reference for the amount of deviation in the arithmetic processing unit in the X-ray detection unit in the inspection is the coating end of the positive electrode active material 5 and the positive electrode side of the negative electrode plate 2 which are the boundaries with the positive electrode side connection unit 7. This is the end face.
- the position rigid not only is the position rigid, but also the positive electrode side connection portion 7 which is an aluminum foil that may cause noise in the position detection has been removed from the X-ray image, so that the position P1 serving as a detection reference. , P2 can be clearly identified on the X-ray image. As a result, it is possible to accurately detect misalignment. Further, the position P2 of the end face of each of the stacked negative electrode plates 2 is calculated, and the maximum value of the shift amount between the positions P2 of the respective negative electrode plates 2 is calculated to determine whether or not it is within a predetermined reference value. Therefore, it is possible to detect the positional deviation between the negative electrode plates 2.
- stacked positive electrode plate 1 is calculated, and the deviation
- the present invention can be effectively used in the industrial field for producing secondary batteries, particularly lithium ion batteries having a stack structure.
- Electrode laminated body 1 Positive electrode plate 2 Negative electrode plate 3 Positive electrode sheet 4 Negative electrode sheet 5 Positive electrode active material 6 Negative electrode active material 7 Positive electrode side connection part 8 Negative electrode side connection part 9
- Separator 10 X-ray inspection apparatus 11 X-ray irradiation part 12 X-ray detection unit 12A Arithmetic processing unit
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Toxicology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Secondary Cells (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
1 正電極板
2 負電極板
3 正電極シート
4 負電極シート
5 正極活物質
6 負極活物質
7 正極側接続部
8 負極側接続部
9 セパレータ
10 X線検査装置
11 X線照射部
12 X線検出部
12A 演算処理部
Claims (4)
- アルミ箔で形成した正電極シートの両面上にそれぞれ正極活物質を塗布して形成した正電極板と、他の金属箔で形成した負電極シートの両面上にそれぞれ負極活物質を塗布して形成した負電極板と絶縁体のセパレータを介して交互に積層した電極積層体の前記セパレータの幅方向の一端面から突出する前記正極活物質の未塗工部分である前記アルミ箔の正極側接続部を含む前記電極積層体の一端面側の所定の領域に向けてX線を照射してX線画像を撮像するとともに、前記X線画像に前記アルミ箔が写らないように前記X線の強度を調整し、
前記X線画像における前記正極側接続部との境界である正極活物質の塗工端の位置と、前記一端面側の負電極板の端面の位置とを特定し、前記塗工端の位置と、前記一端面側の負極電極板の端面の位置に基づき前記正電極板と前記負電極板との位置ずれを検出することを特徴とする電極積層体における電極板の位置ずれ検出方法。 - 請求項1に記載する電極板の位置ずれ検出方法において、
前記X線は、X線管における管電圧を70kV以上、管電流を280μA以上として得る強度であることを特徴とする電極積層体における電極板の位置ずれ検出方法。 - アルミ箔で形成した正電極シートの両面上にそれぞれ正極活物質を塗布して形成した正電極板と、他の金属箔で形成した負電極シートの両面上にそれぞれ負極活物質を塗布して形成した負電極板とを絶縁体のセパレータを介して交互に積層した電極積層体における電極板の位置ずれ検出装置において、
前記電極積層体の前記セパレータの幅方向の一端面から突出する前記正極活物質の未塗工部分である前記アルミ箔を挟んで配設されたX線照射部及びX線検出部と、演算処理部と、を有するとともに、
前記X線照射部は、前記電極積層体の前記セパレータの幅方向の一端面から突出する前記正極活物質の未塗工部分である前記アルミ箔の正極側接続部を含む前記電極積層体の一端面側の所定の領域に前記アルミ箔を透過する強度のX線を照射し、
前記X線検出部は、照射された前記X線を入射して前記所定の領域の画像を表すX線画像信号を生成し、
前記演算処理部は、前記X線画像信号に基づき、前記正極側接続部との境界である正極活物質の塗工端の位置と、前記一端面側の負電極板の端面の位置とを特定し、前記一端面側の塗工端の位置と、前記負極電極板の端面の位置に基づき正電極板と負電極板との前記電極積層体との位置ずれを検出する演算処理部を内蔵してることを特徴とする電極積層体における電極板の位置ずれ検出装置。 - 請求項3に記載する電極積層体における電極板の位置ずれ検出装置において、
前記X線照射部においてX線を照射するX線管は、管電圧を70kV以上、管電流を280μA以上としたことを特徴とする電極積層体における電極板の位置ずれ検出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680005711.5A CN107112578B (zh) | 2015-01-13 | 2016-01-12 | 电极层叠体中的电极板的位置偏移检测方法以及其装置 |
JP2016569358A JP6402308B2 (ja) | 2015-01-13 | 2016-01-12 | 電極積層体における電極板の位置ずれ検出方法およびその装置 |
KR1020177022094A KR101956348B1 (ko) | 2015-01-13 | 2016-01-12 | 전극 적층체에 있어서의 전극판의 위치 어긋남 검출 방법 및 그 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015004462 | 2015-01-13 | ||
JP2015-004462 | 2015-01-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016114257A1 true WO2016114257A1 (ja) | 2016-07-21 |
Family
ID=56405802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/050682 WO2016114257A1 (ja) | 2015-01-13 | 2016-01-12 | 電極積層体における電極板の位置ずれ検出方法およびその装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6402308B2 (ja) |
KR (1) | KR101956348B1 (ja) |
CN (1) | CN107112578B (ja) |
TW (1) | TWI660536B (ja) |
WO (1) | WO2016114257A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106091999A (zh) * | 2016-07-26 | 2016-11-09 | 东莞新能源科技有限公司 | 一种极片错位的检测方法和装置 |
CN108982534A (zh) * | 2018-08-22 | 2018-12-11 | 合肥工业大学 | 一种铝箔输送位置和状态自动检测装置及其检测方法 |
EP4113107A1 (de) | 2021-07-02 | 2023-01-04 | Volkswagen Aktiengesellschaft | Verfahren zur bestimmung einer ablagegenauigkeit einer mehrzahl von elektrodenblättern in einem stapel |
EP4215906A1 (en) * | 2022-01-25 | 2023-07-26 | Prime Planet Energy & Solutions, Inc. | Method for identifying foil position in power storage device and method for calculating inter-foil distance in power storage device |
DE102023202492B3 (de) | 2023-03-21 | 2024-03-28 | Volkswagen Aktiengesellschaft | Verfahren zur Prüfung eines Batterieelementestapels bezüglich der Lage von Batterieelementschichten |
EP4404149A1 (de) * | 2023-01-20 | 2024-07-24 | Volkswagen Ag | Verfahren zum ermitteln einer position eines eckbereichs eines elektrodenverbundstapels |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019067645A (ja) * | 2017-10-02 | 2019-04-25 | オートモーティブエナジーサプライ株式会社 | 電池の検査方法 |
JP6563469B2 (ja) * | 2017-12-15 | 2019-08-21 | 本田技研工業株式会社 | 電極接合方法及び電極接合装置 |
CN108180826B (zh) * | 2017-12-20 | 2023-12-22 | 深圳湾新科技有限公司 | 一种锂电池卷绕层边界的检测设备及检测方法 |
KR102217201B1 (ko) | 2018-03-29 | 2021-02-18 | 주식회사 엘지화학 | 전극조립체의 얼라인 검사 장치 및 그를 이용한 전극조립체의 얼라인 검사 방법 |
KR102629119B1 (ko) | 2018-05-02 | 2024-01-26 | 에스케이온 주식회사 | 전극판 정렬 상태 검사 시스템 및 방법 |
KR102236815B1 (ko) * | 2020-10-16 | 2021-04-06 | 박영호 | 이차전지 전극 탭의 누락 및 접힘 결함 검출장치 |
WO2022191510A1 (ko) * | 2021-03-08 | 2022-09-15 | 주식회사 엘지에너지솔루션 | 전극 조립체의 제조 장치 및 전극 조립체의 제조 방법 |
CN113078422B (zh) * | 2021-03-23 | 2022-11-04 | 东莞新能安科技有限公司 | 电芯及用电设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004022206A (ja) * | 2002-06-12 | 2004-01-22 | Toshiba It & Control Systems Corp | 電池検査装置 |
JP2011039014A (ja) * | 2009-08-06 | 2011-02-24 | Toshiba It & Control Systems Corp | 電池検査装置 |
JP2012164620A (ja) * | 2011-02-04 | 2012-08-30 | Toshiba It & Control Systems Corp | 電池検査装置及び電池検査方法 |
JP2014011114A (ja) * | 2012-07-02 | 2014-01-20 | Toyota Industries Corp | 蓄電装置及び電極組立体の製造方法 |
JP2015103399A (ja) * | 2013-11-25 | 2015-06-04 | 住友金属鉱山株式会社 | X線分析用非水系電解質二次電池 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005056602A (ja) * | 2003-08-05 | 2005-03-03 | Seimi Chem Co Ltd | リチウム二次電池用正極活物質粉末およびその評価方法 |
JP2008282644A (ja) * | 2007-05-10 | 2008-11-20 | Toyota Motor Corp | 燃料電池に用いられる膜電極接合体の劣化判定 |
JP4716138B2 (ja) * | 2008-01-11 | 2011-07-06 | トヨタ自動車株式会社 | 電極巻取装置、帯状電極と帯状セパレータとのずれ検知方法、当該ずれ量測定方法、当該ずれ量補正方法、および、電極巻取方法 |
JP2010096548A (ja) * | 2008-10-14 | 2010-04-30 | Nissan Motor Co Ltd | 非水電解質二次電池検査装置 |
KR20110017761A (ko) * | 2009-08-14 | 2011-02-22 | 에스비리모티브 주식회사 | 이차 전지용 전극판 및 이를 포함하는 이차 전지 |
JP5559618B2 (ja) * | 2010-06-21 | 2014-07-23 | 株式会社日立パワーソリューションズ | タブ付き電極材を内装した筒型電池のタブ検査方法、その検査方法に用いるタブ検査装置、及びタブマーキング装置 |
CN103163549A (zh) * | 2011-12-19 | 2013-06-19 | 中国科学院西安光学精密机械研究所 | 一种基于微通道板拼接的大面积x射线脉冲探测装置 |
US20130236771A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Rechargeable battery and method of manufacturing the same |
JP5502132B2 (ja) * | 2012-04-20 | 2014-05-28 | Ckd株式会社 | 検査装置 |
-
2016
- 2016-01-12 KR KR1020177022094A patent/KR101956348B1/ko active IP Right Grant
- 2016-01-12 CN CN201680005711.5A patent/CN107112578B/zh active Active
- 2016-01-12 WO PCT/JP2016/050682 patent/WO2016114257A1/ja active Application Filing
- 2016-01-12 JP JP2016569358A patent/JP6402308B2/ja active Active
- 2016-01-13 TW TW105100894A patent/TWI660536B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004022206A (ja) * | 2002-06-12 | 2004-01-22 | Toshiba It & Control Systems Corp | 電池検査装置 |
JP2011039014A (ja) * | 2009-08-06 | 2011-02-24 | Toshiba It & Control Systems Corp | 電池検査装置 |
JP2012164620A (ja) * | 2011-02-04 | 2012-08-30 | Toshiba It & Control Systems Corp | 電池検査装置及び電池検査方法 |
JP2014011114A (ja) * | 2012-07-02 | 2014-01-20 | Toyota Industries Corp | 蓄電装置及び電極組立体の製造方法 |
JP2015103399A (ja) * | 2013-11-25 | 2015-06-04 | 住友金属鉱山株式会社 | X線分析用非水系電解質二次電池 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106091999A (zh) * | 2016-07-26 | 2016-11-09 | 东莞新能源科技有限公司 | 一种极片错位的检测方法和装置 |
CN108982534A (zh) * | 2018-08-22 | 2018-12-11 | 合肥工业大学 | 一种铝箔输送位置和状态自动检测装置及其检测方法 |
CN108982534B (zh) * | 2018-08-22 | 2020-12-04 | 合肥工业大学 | 一种铝箔输送位置和状态自动检测装置及其检测方法 |
EP4113107A1 (de) | 2021-07-02 | 2023-01-04 | Volkswagen Aktiengesellschaft | Verfahren zur bestimmung einer ablagegenauigkeit einer mehrzahl von elektrodenblättern in einem stapel |
DE102021117152A1 (de) | 2021-07-02 | 2023-01-05 | Volkswagen Aktiengesellschaft | Verfahren zur Bestimmung einer Ablagegenauigkeit einer Mehrzahl von Elektrodenblättern in einem Stapel |
EP4215906A1 (en) * | 2022-01-25 | 2023-07-26 | Prime Planet Energy & Solutions, Inc. | Method for identifying foil position in power storage device and method for calculating inter-foil distance in power storage device |
EP4404149A1 (de) * | 2023-01-20 | 2024-07-24 | Volkswagen Ag | Verfahren zum ermitteln einer position eines eckbereichs eines elektrodenverbundstapels |
DE102023202492B3 (de) | 2023-03-21 | 2024-03-28 | Volkswagen Aktiengesellschaft | Verfahren zur Prüfung eines Batterieelementestapels bezüglich der Lage von Batterieelementschichten |
Also Published As
Publication number | Publication date |
---|---|
TWI660536B (zh) | 2019-05-21 |
CN107112578B (zh) | 2019-07-05 |
TW201640729A (zh) | 2016-11-16 |
JPWO2016114257A1 (ja) | 2017-10-19 |
JP6402308B2 (ja) | 2018-10-10 |
KR20170102973A (ko) | 2017-09-12 |
KR101956348B1 (ko) | 2019-03-08 |
CN107112578A (zh) | 2017-08-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6402308B2 (ja) | 電極積層体における電極板の位置ずれ検出方法およびその装置 | |
US11307026B2 (en) | Alignment inspection apparatus for electrode assembly and alignment inspection method for electrode assembly using the same | |
JP2008243439A (ja) | 電池の異常検出装置および電池の異常検出方法 | |
JP2015176701A (ja) | 蓄電装置及び蓄電装置の製造方法 | |
JP2016178025A (ja) | 蓄電素子 | |
JP2015170402A (ja) | タブリードの検査方法及びタブリードの検査装置 | |
JP2020017483A (ja) | 蓄電装置の溶接検査方法 | |
JP6350909B2 (ja) | 電極積層体のセパレータの位置ずれ検出方法およびその装置 | |
JPWO2015022811A1 (ja) | フィルム外装電池の挿入案内装置 | |
JP2016038995A (ja) | 蓄電装置および蓄電装置の製造方法 | |
JP6471647B2 (ja) | 電極製造方法および電極製造装置 | |
JP2015065178A (ja) | フィルム外装電池の製造方法 | |
JP2019212461A (ja) | 電極製造方法、及び電極製造装置 | |
JP6248751B2 (ja) | 蓄電装置の検査方法 | |
JP2020197408A (ja) | 姿勢検査装置 | |
CN116499399A (zh) | 蓄电设备的箔位置确定方法和蓄电设备的箔间距离计算方法 | |
JP6922328B2 (ja) | 電極組立体の製造方法 | |
JP2009105193A (ja) | キャパシタユニットの検査方法 | |
KR102537425B1 (ko) | 적층 전극체, 수지 고정 적층 전극체, 및 전고체 전지 | |
JP2007035288A (ja) | 鉛蓄電池の検査方法 | |
JP6819449B2 (ja) | 蓄電装置の検査方法 | |
JP5655773B2 (ja) | 電極材料の塗布量測定方法 | |
WO2023233975A1 (ja) | 電極積層体の製造方法 | |
JP2005340689A (ja) | 電気化学デバイス、その製造方法、及び当該デバイス用いられる電極 | |
JP2018190509A (ja) | 蓄電装置の検査方法 |
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: 16737328 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016569358 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20177022094 Country of ref document: KR Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 16737328 Country of ref document: EP Kind code of ref document: A1 |