CONDUCTIVE MATERIAL PRE-DISPERSED SLURRY FOR ELECTRODE OF SECONDARY BATTERY METHOD OF MANUFACTURING THE SAME ELECTRODE MANUFACTURED BY APPLYING CONDUCTIVE MATERIAL PRE-DISPERSED SLURRY AND SECONDARY BATTERY INCLUDING THE ELECTRODE

• Main Authors: LEE JOO CHEOL, HAN JU KYUNG, YANG HWI CHAN, KIM HYEONG CHEOL, HUH CHUL, AN WOO HYUN
• Format: Patent
• Language: English; Korean
• Published: 29.06.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

이차전지 전극용 도전재 선분산 슬러리와 그 제조방법 및 도전재 선분산 슬러리를 적용하여 제조된 전극과 상기 전극을 구비한 이차전지에 관해 개시되어 있다. 개시된 이차전지 전극용 도전재 선분산 슬러리는 도전재; 상기 도전재를 분산시키기 위한 분산제; 및 상기 도전재 및 분산제와 혼합되는 용매를 포함하고, 상기 분산제는 셀룰로오스계 화합물 및 비닐계 또는 아크릴계 화합물을 포함하며, 상기 분산제에서 상기 셀룰로오스계 화합물와 상기 비닐계 또는 아크릴계 화합물의 중량비는 25:1 내지 1:25 정도이다. Provided are a conductive material pre-dispersed slurry for a secondary battery electrode, which has improved dispersibility of the conductive material, a preparation method thereof, an electrode manufactured by applying the conductive material pre-dispersed slurry, and a secondary battery having the electrode. The disclosed conductive material pre-dispersed slurry for a secondary battery electrode includes: a conductive material; a dispersant for dispersing the conductive material; and a solvent mixed with the conductive material and the dispersant, wherein the dispersant includes a cellulose-based compound and a vinyl-based or acrylic compound, and the cellulose-based compound and the vinyl-based or acrylic compound in the dispersant have a weight ratio of about 25:1 to 1:25.