EVALUATION METHOD AND MANUFACTURING METHOD FOR ELECTRODE

• Main Authors: SUEHIRO SHOGO, FUKUMITSU HITOSHI, TERADA KENJI
• Format: Patent
• Language: English; Japanese
• Published: 02.03.2015
• 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 an evaluation method for an electrode, by which a void structure of an electrode can be evaluated in association with battery characteristics.SOLUTION: An evaluation method for an electrode according to the present invention includes the steps of: acquiring a three-dimensional image of an electrode; calculating a tortuosity factor by performing thinning processing after the binarization of the three-dimensional image; and evaluating the relationship between the tortuosity factor and battery characteristics. 【課題】電極の空隙構造と電池特性とを関連付けて評価することができる電極の評価方法を提供する。【解決手段】本発明に係る電極の評価方法は、電極の３次元画像を取得する工程と、上記３次元画像を２値化した後に細線化することによって、曲路率を算出する工程と、上記曲路率と電池特性との関連性を評価する工程と、を含む。【選択図】なし