ONE-BODY PARTICLE AND ACTIVE MATERIAL FOR SECONDARY BATTERY INCLUDING SAME

• Main Authors: HAN, Hyun Gyu, KIM, Han Ah, CHANG, Gi Hwan, JEON, Seul Gi, SON, Hwa Young, JO, Jae Joon, CHANG, Sung Kyun, KIM, Doe Hyoung
• Format: Patent
• Language: English; French; Korean
• Published: 03.08.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention provides a one-body particle and an active material for a secondary battery including same, the one-body particle including: a core that exists in the form of an unaggregated primary particle; and a coating layer formed on at least a portion of the core, wherein the coating layer is formed as multiple layers including at least one of a positive trivalent or tetravalent element. La présente invention concerne une particule monocorps et une matière active pour une batterie secondaire la comprenant, la particule monocorps comprenant : un noyau qui existe sous la forme d'une particule primaire non agrégée; et une couche de revêtement formée sur au moins une partie du noyau, la couche de revêtement étant formée sous la forme de multiples couches comprenant au moins l'un d'un élément trivalent ou tétravalent positif. 본 발명은, 미응집된 1차 입자 상태로 존재하는 코어와, 상기 코어의 적어도 일부에 형성되는 코팅층을 포함하고, 상기 코팅층은 +3가 또는 +4가 원소 중 하나 이상을 포함하는 다층으로 형성된 것을 특징으로 하는 단일체 입자와, 그것을 포함하는 이차전지용 활물질을 제공한다.