MANUFACTURING METHOD OF ELECTRODE

• Main Author: YAMAUCHI KAZUTERU
• Format: Patent
• Language: English; Japanese
• Published: 16.05.2016
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

PROBLEM TO BE SOLVED: To provide a manufacturing method of an electrode capable of preventing generation of burrs when cutting an electrode sheet including a coating part in which a metal foil is coated with an electrode active material and a non-coating part in which the metal foil is not coated with the electrode active material.SOLUTION: The manufacturing method of the electrode for cutting an electrode sheet 50 including an active material coating part in which a metal foil for electrode is coated with an active material and an active material non-coating part in which the metal foil for electrode is not coated with the active material includes; setting predetermined coating part cutting parts 74, 75, 84 and 85 in which cutting is predetermined in the active material coating part; setting predetermined non-coating part cutting parts 70-73 and 80-83 in which cutting is predetermined in the active material non-coating part; coating both sides of the metal foil for electrode with a curable resin in the predetermined non-coating part cutting parts 70-73 and 80-83; and cutting both the predetermined non-coating part cutting parts 70-73 and 80-83 and the predetermined coating part cutting parts 74, 75, 84 and 85 after curing of the curable resin.SELECTED DRAWING: Figure 4 【課題】金属箔に電極活物質が塗布された塗工部と電極活物質が塗布されていない非塗工部とを備える電極シートを切断する際、バリの発生を防止することができる電極の製造方法の提供にある。【解決手段】電極用金属箔に活物質が塗布された活物質塗工部と、電極用金属箔に前記活物質が塗布されていない活物質非塗工部とを備える電極シート５０を切断する電極の製造方法において、活物質塗工部に切断が予定される塗工部切断予定部７４、７５、８４、８５を設定するとともに、活物質非塗工部に切断が予定される非塗工部切断予定部７０〜７３、８０〜８３を設定し、硬化性樹脂を非塗工部切断予定部７０〜７３、８０〜８３に電極用金属箔の両面から塗布し、硬化性樹脂の硬化後に、非塗工部切断予定部７０〜７３、８０〜８３及び前記塗工部切断予定部７４、７５、８４、８５を共に切断する。【選択図】 図４