MANUFACTURING METHOD FOR POWER STORAGE DEVICE AND MANUFACTURING APPARATUS FOR POWER STORAGE DEVICE

• Main Authors: KATO SATORU, OKUDA NARUAKI, KATO HAJIME, MIYASHITA KOJI
• Format: Patent
• Language: English; Japanese
• Published: 15.12.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a manufacturing method and a manufacturing apparatus for a power storage device, in which a member formed on an outer peripheral side of a battery structure including a columnar electrode, a separation film, and a counter electrode can be removed accurately.SOLUTION: A manufacturing method for a power storage device 40 is a manufacturing method for a power storage device 40 including a battery structure including a columnar electrode 15 containing an electrode active material, a separation film 16 with an insulating property and an ion conductive property formed on an outer peripheral surface of the columnar electrode 15, and a counter electrode containing a counter electrode active material and formed on an outer periphery of the separation film 16 and includes an irradiation step of performing a counter electrode removing process of removing a counter electrode by delivering laser in an energy density range for removing the counter electrode while leaving the separation film 16 with laser light having a wavelength of 480 nm or more and 580 nm or less.SELECTED DRAWING: Figure 1 【課題】柱状電極と分離膜と対極とを備えた電池構造体の外周側に形成された部材を精度よく除去することができる蓄電デバイスの製造方法および製造装置を提供する。【解決手段】蓄電デバイス４０の製造方法は、電極活物質を含む柱状電極１５と、柱状電極１５の外周面に形成され絶縁性及びイオン伝導性を有する分離膜１６と、分離膜１６の外周に形成され対極活物質を含む対極と、を有する電池構造体を用いる蓄電デバイス４０の製造方法であって、４８０ｎｍ以上５８０ｎｍ以下の波長のレーザを用い、分離膜１６を残存し対極を除去するエネルギー密度範囲でレーザを照射し対極を除去する対極除去処理を実行する照射工程、を含む。【選択図】図１