CN-122016853-A - Detection method and detection device for copper-clad particles

CN122016853ACN 122016853 ACN122016853 ACN 122016853ACN-122016853-A

Abstract

The embodiment of the application relates to the field of material detection, and provides a detection method and a detection device for copper-clad particles, wherein the method comprises the steps of placing the copper-clad particles subjected to heating treatment in an acid solution, wherein the pH value of the acid solution is 4-6; and acquiring the color of the acid solution in every other time period, if the color of the acid solution is lighter than the standard color in the preset time period, determining that the compactness of the copper-clad particles meets the standard, and if the color of the acid solution is darker than the standard color in the preset time period, determining that the copper-clad particles have the compactness defect, wherein the preset time period has a preset relation with the pH value of the acid solution, and the preset time period comprises a plurality of time periods. The detection method of the copper-clad particles provided by the embodiment of the application can at least solve the problem of longer detection period of the copper-clad metal slurry.

Inventors

YU KUN
LIU CHANGMING
ZHANG XINYU
ZHAO PENGSONG
ZHANG DETAO

Assignees

上饶晶科能源叁号智造有限公司
晶科能源(海宁)有限公司

Dates

Publication Date: 20260512
Application Date: 20260302

Claims (11)

1. A method for detecting copper-clad particles, comprising: placing the copper-clad particles subjected to the heating treatment into an acidic solution, wherein the pH value of the acidic solution is 4-6; And acquiring the color of the acid solution every other time period, if the color of the acid solution is lighter than the standard color in the preset time period, determining that the compactness of the copper-clad particles meets the standard, and if the color of the acid solution is darker than the standard color in the preset time period, determining that the copper-clad particles have the compactness defect, wherein the preset time period has a preset relation with the pH value of the acid solution, and the preset time period comprises a plurality of time periods.
2. The method according to claim 1, wherein the solute of the acidic solution comprises at least one of an organic acid and an inorganic acid.
3. The detection method according to claim 2, wherein the molar ratio of the organic acid to the inorganic acid is 1:9 to 9:1.
4. The method according to claim 2, wherein the organic acid comprises at least one of glacial acetic acid, citric acid, and tartaric acid.
5. The method according to claim 2, wherein the inorganic acid comprises at least one of hydrochloric acid, phosphoric acid, sulfuric acid and nitric acid.
6. The detection method according to claim 2, wherein the temperature of the acidic solution is 60 to 95 ℃ in the case where the acidic solution is the organic acid.
7. The detection method according to claim 4, wherein when the solute in the acidic solution is glacial acetic acid, the concentration of glacial acetic acid is 99.5-100%.
8. The method of detection according to claim 1, wherein the method of detection further comprises: and comparing the color of the solution after the copper-coated particles react with the acid solution with a standard color card, wherein the standard color card comprises at least one of a pantone color card, a Laue color card and a national standard industrial color card.
9. The detection method according to claim 1, wherein the preset time period is 2-10 min.
10. The detection method according to claim 1, wherein the heating treatment is performed at a temperature of 200 to 300 ℃ for a time of 1 to 20 minutes.
11. A copper-clad particle detection device, characterized by comprising: the placing module is used for placing the copper-clad particles subjected to the heating treatment into an acidic solution, wherein the pH value of the acidic solution is 4-6; the collection module is used for collecting the color of the acid solution every other time period, if the color of the acid solution is lighter than the standard color in the preset time period, the compactness of the copper-clad particles is determined to be in accordance with the standard, if the color of the acid solution is darker than the standard color in the preset time period, the defect that the copper-clad particles have the compactness is determined, the preset time period and the pH value of the acid solution have a preset relation, and the preset time period comprises a plurality of time periods.

Description

Detection method and detection device for copper-clad particles Technical Field The application relates to the field of material detection, in particular to a detection method of copper-clad particles and a detection device of copper-clad particles. Background The solar battery has high requirements on the coating quality of the metal powder in the metal-coated copper slurry, and the copper-coated particles are used as low-cost high-conductivity metal powder and widely applied to the low-temperature conductive slurry of the solar battery. However, the traditional method has the problems of long detection period, complex operation, high equipment dependence or harsh conditions and the like in detecting the compactness and the wrapping property of the metal powder in the metal-clad copper slurry, and is difficult to meet the quality monitoring requirements of the metal-clad copper slurry on quick, visual, low-cost and online application of a production line in the efficient battery scale production. Disclosure of Invention The embodiment of the application provides a detection method and a detection device for copper-clad particles, which are at least beneficial to solving the problem of longer detection period of copper-clad metal slurry in the prior art. According to some embodiments of the present application, an aspect of the present application provides a method for detecting copper-clad particles, including placing copper-clad particles after heat treatment in an acidic solution, where a pH value of the acidic solution is 4 to 6, collecting a color of the acidic solution every other period, determining that a compactness of the copper-clad particles meets a standard if the color of the acidic solution is lighter than a standard color in a preset period, and determining that the copper-clad particles have the compactness if the color of the acidic solution is darker than the standard color in the preset period, where the preset period has a preset relationship with the pH value of the acidic solution, and where the preset period includes a plurality of the periods. In some embodiments, the solute of the acidic solution comprises at least one of an organic acid and an inorganic acid. In some embodiments, the molar ratio of the organic acid to the inorganic acid is 1:9-9:1. In some embodiments, the organic acid comprises at least one of glacial acetic acid, citric acid, and tartaric acid. In some embodiments, the mineral acid comprises at least one of hydrochloric acid, phosphoric acid, sulfuric acid, and nitric acid. In some embodiments, when the acidic solution is the organic acid, the temperature of the acidic solution is 60 to 95 ℃. In some embodiments, when the solute in the acidic solution is glacial acetic acid, the concentration of glacial acetic acid is 99.5-100%. In some embodiments, the detection method further comprises comparing the color of the solution after the copper-clad particles and the acidic solution are reacted with a standard color chart comprising at least one of a pantone color chart, a Layer color chart and a national standard industry color chart. In some embodiments, the preset time period is 2-10 min. In some embodiments, the temperature of the heating treatment is 200-300 ℃ and the time is 1-20 min. According to some embodiments of the present application, another aspect of the embodiments provides a detection apparatus for copper-clad particles, including a placement module, configured to place copper-clad particles after heat treatment in an acidic solution, where a pH value of the acidic solution is 4 to 6, and an acquisition module, configured to acquire a color of the acidic solution every other period of time, determine that a compactness of the copper-clad particles meets a standard if the color of the acidic solution is lighter than a standard color in a preset period of time, and determine that the copper-clad particles have the compactness if the color of the acidic solution is darker than the standard color in the preset period of time, where the preset period of time has a preset relationship with a pH value of the acidic solution, and the preset period of time includes a plurality of time periods. The technical scheme provided by the embodiment of the application has at least the following advantages: According to the detection method of the copper-clad particles, firstly, the copper-clad particles are placed in the acid solution with the pH value of 4-6, the color of the acid solution is collected every other time period, if the color of the acid solution is lighter than the standard color in the preset time period, the compactness of the copper-clad particles is determined to be in accordance with the standard, and if the color of the acid solution is darker than the standard color in the preset time period, the defect that the copper-clad particles have compactness is determined. By adopting the acidic solution with the pH value of 4-6 to carry out rapid color