正せい極きょく材ざいじ字FuriganaMeanings1nounpositive electrode materialelectronics›Technical term used in electronics and battery technology.リチウムイオン電でん池ちの正せい極きょく材ざいにはコバルト酸さんリチウムが使つかわれることが多おおい。Lithium cobalt oxide is often used as the positive electrode material in lithium-ion batteries.