Abstract: Disclosed herein are highly sensitive immunoassays that utilize a capture/release mechanism to reduce non-specific binding and achieve detection with attomolar-level sensitivity. Kits that can be used for carrying out these highly sensitive immunoassays are also disclosed herein.

Abstract: The disclosure discloses a marking method and apparatus of a continuous composite strip. The method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. The method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.

Abstract: The present application provides a method, a device, an apparatus, and storage medium for deviation correction of an electrode sheet. The deviation correction method of the electrode sheet includes: determining the first deviation amount of the electrode sheet on the stacking machine in the first direction; correcting a deviation of the electrode sheet in the first direction according to the first deviation amount; determining the second deviation amount of the electrode sheet in the second direction, wherein the second deviation amount is different from the first deviation amount; and correcting a deviation of the electrode sheet in the second direction according to the second deviation amount.

Abstract: This application provides a method, apparatus, and system for corner fold detection on a cathode electrode plate of a composite material strip, an electronic device, a laminator, a computer-readable storage medium, and a computer program product. The method includes: acquiring a to-be-inspected image of a composite material strip by using an image acquisition unit, where the to-be-inspected image includes an electrode plate body zone of the cathode electrode plate; extracting the electrode plate body zone from the to-be-inspected image; and performing corner fold detection on the electrode plate body zone. In the technical solutions of embodiments of this application, corner fold detection can be performed quickly and accurately on a cathode electrode plate of a composite material strip, thereby improving the production yield of laminated cell assemblies.

Abstract: The disclosure discloses a marking method and apparatus of a continuous composite strip. The method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. The method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.

Abstract: Method, apparatus, and system for inspecting a cathode electrode plate of a composite material tape are provided. The method includes: using a camera apparatus to photograph a composite material tape being transported on a laminator to obtain an inspection image covering the composite material tape, where the inspection image includes a cathode electrode plate body region; extracting the cathode electrode plate body region from the inspection image; and inspecting the cathode electrode plate body region to determine a metal leakage defect existing in the cathode electrode plate body region. In the technical solution of the embodiments of this application, an inspection can be performed on a composite material tape being transported on a laminator, so that a metal leakage defect existing on a cathode electrode plate can be detected in real time in the production process of a laminated cell assembly.

Abstract: A method for defect detection of a cathode electrode plate of a composite material strip includes obtaining a continuous image of the composite material strip; intercepting at least one image segment from the continuous image of the composite material strip, where the image segment includes a cathode electrode plate body region; and performing detection on the cathode electrode plate body region.

Abstract: The present application discloses a method and device for controlling misalignment of electrode plates, electrode plates, an electrochemical cell, and a battery. The method includes: acquiring cut hole position information of an anode electrode plate, and calculating a first width deviation value corresponding to the anode electrode plate according to the cut hole position information and a calibration width of the anode electrode plate; acquiring tab position information of a cathode electrode plate, and calculating a second width deviation value corresponding to the cathode electrode plate according to the tab position information and a calibration width of the cathode electrode plate; and when the anode electrode plate and the cathode electrode plate are stacked, adjusting a feed position of the cathode electrode plate according to the first width deviation value, and compensating for a cut width of the cathode electrode plate according to the second width deviation value.

Abstract: Disclosed are a method and an apparatus for detecting a tab. The method includes: determining that a first tab of a first electrode plate in a plurality of electrode plates of a first electrode assembly reaches a first position in an image collection area, wherein the plurality of electrode plates move toward the image collection area along a vertical direction; and collecting image information of the first tab, wherein the image information of the first tab is used to determine a state of the first tab. The tab detection method provided is able to completely detect the size and shape of the tab while avoiding adverse effects of the detection process on the state of the tab, so that the detection efficiency can be improved while improving the detection effect.

Abstract: Provided are a method and device for correcting positions of tabs of an electrode assembly. The electrode assembly includes anode electrode plates and cathode electrode plates stacked alternately in a first direction. The method includes: determining whether there are a plurality of consecutive tabs misaligned with each other in a first electrode plate assembly; and adjusting, if there are a plurality of consecutive tabs misaligned with each other, a cutting position of the first electrode plate assembly to adjust a width of first electrode plates obtained after cutting, such that tabs of a plurality of first electrode plates obtained after cutting the first electrode plate assembly are aligned with each other, the first electrode plates being anode electrode plates or cathode electrode plates.

Abstract: A electrode plate cutting method includes: obtaining an offset distance between a detection reference and a cutting position on an electrode plate; obtaining, based on the offset distance and a distance between the detection reference and a cutting device, an actual distance between the cutting position and the cutting device; and obtaining, based on the actual distance, a cutting time point for the cutting position to be conveyed to the cutting device, so that the cutting device cuts at the cutting position. Obtaining the offset distance between the detection reference and the cutting position of the electrode plate is equivalent to obtaining a deviation from the detection reference caused during transferring of the electrode plate.

Abstract: The present application discloses a method and device for controlling misalignment of electrode plates, electrode plates, an electrochemical cell, and a battery. The method includes: acquiring cut hole position information of an anode electrode plate, and calculating a first width deviation value corresponding to the anode electrode plate according to the cut hole position information and a calibration width of the anode electrode plate; acquiring tab position information of a cathode electrode plate, and calculating a second width deviation value corresponding to the cathode electrode plate according to the tab position information and a calibration width of the cathode electrode plate; and when the anode electrode plate and the cathode electrode plate are stacked, adjusting a feed position of the cathode electrode plate according to the first width deviation value, and compensating for a cut width of the cathode electrode plate according to the second width deviation value.

Abstract: The disclosure discloses a marking method and apparatus of a continuous composite strip. The method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. The method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.

Abstract: A dimension detection apparatus configured to detect a composite electrode plate. The composite electrode plate includes a plurality of continuous first electrode plates, a plurality of second electrode plates, and two insulators. The first electrode plates are of an opposite polarity to the second electrode plates. The plurality of first electrode plates are sandwiched between the two insulators and arranged in parallel along an extension direction of the insulators. The plurality of second electrode plates are arranged alternately on outer sides of the two insulators along the extension direction of the insulators, and correspond one-to-one to the plurality of first electrode plates. The dimension detection apparatus includes: two shooting assemblies, disposed on two sides of the composite electrode plate respectively along a thickness direction, and configured to photograph two adjacent second electrode plates respectively.

Abstract: This application provides a detection method for electrode plate, a detection apparatus for electrode plate, a stacking system, a detection device, and a computer-readable storage medium, where the electrode plate includes a coated portion and an uncoated portion located on at least one side of the coated portion in a longitudinal direction. The detection method includes: step S1000: obtaining dimensional parameters D1 . . . DN at different detection positions P1 . . . PN of the uncoated portion in a transverse direction perpendicular to the longitudinal direction; and step S2000: comparing the dimensional parameters D1 . . . DN with a dimensional detection standard S to determine whether the uncoated portion is folded, where N is a positive integer, and N is greater than or equal to 2.

Abstract: A dimension detection method for a battery composite surface includes: acquiring image information of a cathode sheet, the image information including an image of a first surface of the cathode sheet and an image of a second surface opposite to the first surface; acquiring image information of a composite sheet which includes a non-composite surface and a composite surface, the non-composite surface being formed by compounding the first surface of the cathode sheet, an anode, and a separator, the composite surface being formed by compounding the second surface of the cathode sheet, the anode, and the separator, and the image information of the composite sheet including image information of the non-composite surface; and calculating dimension information of the composite surface by an image processing algorithm, according to the image information of the cathode sheet and the image information of the composite sheet.

Abstract: A material strip feeding detection method for a stacking machine and a material strip feeding detection apparatus for the stacking machine are provided. The material strip comprises a plurality of first electrode plates distributed continuously in a feeding direction. The method comprises: shooting with at least one set of camera apparatuses to obtain at least one material strip image; determining whether the material strip image comprises a first marker and a second marker; acquiring a target deviation of the first marker relative to a preset position based on the material strip image in response to determining that the material strip image comprises the first marker; controlling the material strip feeding detection apparatus to perform feeding deviation rectification of the material strip conveyed on a conveying mechanism based on the target deviation, and controlling a cutting mechanism to cut the material strip on the conveying mechanism after the feeding deviation rectification.

Abstract: An electrode plate stacking method includes: determining, based on a first electrode plate, a conveying order of a plurality of second electrode plates, the first electrode plate being a continuous electrode plate, the plurality of second electrode plates including at least one upper electrode plate and at least one lower electrode plate, the plurality of second electrode plates being discontinuous electrode plates, and the conveying order being used for conveying the at least one upper electrode plate and the at least one lower electrode plate alternately; generating an identifier sequence for the plurality of second electrode plates based on the conveying order; and collecting first image data of each of the plurality of second electrode plates based on the identifier sequence in a process of conveying the plurality of second electrode plates in the conveying order.

Abstract: An electrode plate deviation correction method includes collecting, by sensors, deviation data of an edge of an electrode plate relative to a preset boundary, determining a deviation correction displacement of the electrode plate according to the deviation data, controlling, according to the deviation correction displacement, an unwinding apparatus for the electrode plate to adjust a position of the electrode plate so that the deviation data of the electrode plate relative to the preset boundary is within a target range.

Abstract: A diaphragm detection method includes acquiring a target image of an electrode plate to be detected. The electrode plate to be detected includes an anode electrode plate and diaphragms respectively stacked on two sides of the anode electrode plate. The method further includes performing image processing on the target image to determine a target image region in the target image, and performing diaphragm misalignment detection on the electrode plate to be detected based on the target image region.