JP2020095887A5 - - Google Patents

Claims (6)

A device that transfers an electrode having a current collector layer and an active material layer and a solid electrolyte layer removably supported by a conductive transfer base material to the electrodes. ,
A roller that comes into contact with the transfer substrate when the electrode and the solid electrolyte layer are pressed,
A power supply that applies a predetermined voltage between the roller and the current collector layer, and
An inspection means capable of detecting a short circuit based on the current flowing between the roller and the current collector layer, and
A short-circuit inspection device. The short-circuit inspection apparatus according to claim 1, wherein the transfer base material is made of a sheet metal material selected from aluminum foil, copper foil, or stainless steel foil. The short-circuit inspection according to claim 1 or 2, wherein the roller is divided into a plurality of compartments along the axial direction, the rollers are electrically insulated from each other, and the inspection means is provided for each of the plurality of compartments. Device. A short-circuit inspection method in which an electrode having a current collector layer and an active material layer and a solid electrolyte layer removably supported by a conductive transfer substrate are pressed to transfer the solid electrolyte layer to the electrode. There,
When the electrode and the solid electrolyte layer are pressed, a predetermined voltage is applied between the roller in contact with the transfer substrate and the current collector layer.
A short circuit inspection method for detecting a short circuit based on a current flowing between the roller and the current collector layer . The short-circuit inspection method according to claim 4, wherein a positive voltage is applied when the electrode is a negative electrode, and a negative voltage is applied when the electrode is a positive electrode. The other electrode, which is detachably supported by a conductive transfer substrate, is pressed onto the surface of the laminate of one electrode having the current collector layer and the active material layer and the solid electrolyte layer, and the other electrode is pressed. Is a short-circuit inspection method of transferring to the one electrode and the solid electrolyte layer.
When the other electrode and the laminate are pressed, a predetermined voltage is applied between the roller in contact with the transfer substrate and the laminate.
A short circuit inspection method for detecting a short circuit based on a current flowing between the roller and the laminated body.