Metadata
Author: patents-wipo
Data
English[en]
The present invention relates to a negative electrode active material for an electrode composition, and to an electrochemical cell comprising the negative electrode active material, wherein the negative electrode active material comprises an amorphous carbon material and a doping element, and exhibits, in the temperature range of 450°C to 950°C, at least two peaks of mass reduction variation calculated by thermogravimetric analysis, and exhibits a maximum heat peak output of 20 mW to 60 mW calculated by differential scanning calorimetry.
French[fr]
Le matériau actif d'électrode négative comprend un matériau carboné amorphe et un élément dopant et, sur la plage de température de 450°C à 950°C, il présente au moins deux pics de variation de la réduction de masse, calculés par une analyse thermogravimétrique, et il possède un pic de sortie de chaleur maximale de 20 mW à 60 mW, calculé par calorimétrie différentielle à balayage.
Korean[ko]
비정질 탄소재료 및 도핑원소를 포함하고, 열 중량 측정분석에 의한 질량감소변화량 피크가 450°C 내지 950°C 사이의 온도에서 적어도 2개 나타나며, 시차주사 열량계에 의한 최대발열 피크출력이 20 mW 내지 60 mW 사이인 전극 합제용 음극활물질 및 이러한 음극활물질을 포함하는 전기화학 셀이 제공된다.