Electrode Active Material Foreign Matter Collection Kit

Abstract

The disclosed invention provides a foreign matter collection kit for an electrode active material, including: a hollow main body portion having a first hollow channel, both ends of the first hollow channel being respectively opened on the upper surface and the lower surface of the hollow main body portion to form a first inlet and a first outlet, an upper kit portion; a lower kit portion having a hollow main body portion with a second hollow channel, both ends of the second hollow channel being respectively opened on the upper surface and the lower surface of the hollow main body portion to form a second inlet and a second outlet; and a foreign matter collection filter fixed between the upper kit portion and the lower kit portion by connecting the upper kit portion and the lower kit portion so that the first hollow channel and the second hollow channel are concentrically arranged, the foreign matter collection filter having a predetermined pore size.

Claims

1. A foreign matter collection kit for collecting foreign matter from a suspension in which an electrode active material is dispersed, It has a hollow body portion with a first hollow channel, and both ends of the first hollow channel are upper kit portions that are open to the upper and lower surfaces of the hollow body portion, respectively, forming a first inlet and a first outlet. It has a hollow body portion with a second hollow channel, and both ends of the second hollow channel are open to the upper and lower surfaces of the hollow body portion, respectively, forming a lower kit portion which is a second inlet and a second outlet, A foreign matter collection filter fixed between the upper kit portion and the lower kit portion by joining the upper kit portion and the lower kit portion so that the first hollow channel and the second hollow channel are arranged concentrically, includes a foreign matter collection filter having a predetermined pore size, A groove for housing the foreign matter collection filter is provided on either the upper surface of the lower kit section or the lower surface of the upper kit section. A foreign object collection kit, wherein the upper surface of the lower kit section and the other of the lower surface of the upper kit section are provided with a protruding cover portion that is inserted into the receiving groove and covers a foreign object collection filter.

2. The foreign matter collection kit according to claim 1, wherein the first inlet, first hollow channel and first outlet and the second inlet, second hollow channel and second outlet are arranged concentrically.

3. The foreign matter collection kit according to claim 2, wherein the diameter of the first inlet, first hollow channel and first outlet is the same as the diameter of the second inlet, second hollow channel and second outlet.

4. The foreign object collection kit according to claim 1, wherein one of the opposing surfaces of the upper kit portion and the lower kit portion is provided with a fitting projection, and the other surface is provided with an insertion groove, and the upper kit portion and the lower kit portion are joined together by the fitting projection being coupled to the insertion groove.

5. The foreign object collection kit according to claim 1, wherein the opposing surfaces of the upper kit portion and the lower kit portion are provided with screw threads of a shape that interlocks with each other, and the upper kit portion and the lower kit portion are screw-connected.

6. The foreign matter collection kit according to claim 1, wherein the foreign matter collection area of ​​the foreign matter collection filter is set to an area in which an X-ray scan can be completed within a predetermined time under set resolution and set scan speed conditions of a foreign matter analyzer that analyzes foreign matter by scanning with X-rays.

7. The foreign matter collection filter is installed concentrically between the first outlet and the second inlet so as to cover the entire first outlet and the second inlet. The foreign matter collection kit according to claim 6, wherein the area of ​​the foreign matter collection region of the foreign matter collection filter is the same as the area of ​​the first outlet and the second inlet.

8. The invention further includes a filter adhesion sheet that surrounds the foreign matter collection filter and is bonded to the foreign matter collection filter, The foreign matter collection kit according to claim 6, wherein the filter attachment sheet is fixedly installed between the upper kit section and the lower kit section.

9. The foreign matter collection kit according to claim 1, wherein the foreign matter collection filter is a polymer filter.

10. The foreign matter collection kit according to claim 1, wherein the upper surface of the upper kit section is provided with an injection tube that communicates with the first hollow channel and extends upward.

11. A foreign object collection kit according to any one of claims 1, 2, and 4 to 10, wherein a tapered channel portion is provided at the bottom of at least one of the first hollow channel and the second hollow channel, the channel cross-sectional area of ​​which increases toward the exit of the hollow channel.

12. A first lower step is provided on the outer side of the lower surface of the upper kit section. A first upper step portion is provided on the outer side of the upper surface of the lower kit portion, having a shape that engages with the first lower step portion. The foreign object collection kit according to claim 1, wherein the opposing vertical surfaces of the first lower stepped portion and the first upper stepped portion are screw-connected to each other.

13. A second lower step portion is provided on the inner side of the lower surface of the upper kit portion, which is a continuation of the first lower step portion. The upper surface of the lower kit section is provided with a second upper step portion that follows the first upper step portion and has a shape that engages with the second lower step portion. The foreign matter collection kit according to claim 12, wherein the foreign matter collection filter is installed between the opposing horizontal surfaces of the second upper stepped portion and the second lower stepped portion.

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