The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 2026
Filed:
Jul. 08, 2022
Prime Planet Energy & Solutions, Inc., Tokyo, JP;
Kentaro Tsukamoto, Kobe, JP;
Yoshifumi Magari, Hirakata, JP;
PRIME PLANET ENERGY & SOLUTIONS, INC., Tokyo, JP;
Abstract
According to the present disclosure, it is possible to inhibit the electrically conductive foreign substance from falling off and being peeled off from the electrode plate that has been already manufactured, so as to contribute in improving the safety property of the secondary battery. The manufacturing method of the electrode plate herein disclosed includes a precursor preparing step for preparing an electrode precursorA including an active substance provided area Ain which an electrode active substance layeris provided on a surface of the electrode substrateand including a substrate exposed area Ain which the electrode active substance layeris not provided and the electrode substrateis exposed, an active substance provided area cutting step for cutting the active substance provided area Aby a pulse laser, and a substrate exposed area cutting step for cutting the substrate exposed area Aby the pulse laser. Then, the frequency of the pulse laser in the substrate exposed area cutting step is made to be larger than the frequency of the pulse laser in the active substance provided area cutting step, and the lap rate of the pulse laser in the substrate exposed area cutting step is made to be equal to or more than 90%. According to the manufacturing method of the electrode plate as described above, it is possible to inhibit the electrically conductive foreign substance from falling off and being peeled off from the electrode plate that has been already manufactured, and thus it is possible to contribute in improving the safety property of the secondary battery.