Samsung Sdi Co., Inc.

Hee-Sung Choi

Jong-Man Kim

Jake Kim

Jee-Hoon Han

Byong-Gon Lee

Maeng-Eun Lee

Seon-Hong Lee

Young-Woong Kwon

Ki-Soo Lee

Jee-Won Kang

A secondary battery and a method of manufacturing the same are disclosed. In one aspect, the method includes preparing an electrode assembly comprising a positive electrode plate, a negative electrode plate, and a separator interposed therebetween. The method also includes freezing the electrode assembly after the electrode assembly is filled with an electrolyte solution, dipping the frozen electrode assembly in a liquid polymer material, retrieving the dipped electrode assembly from the liquid polymer material, and curing an external surface of the electrode assembly.

Secondary battery including polymer material layer and method of manufacturing the same, having a case seamlessly formed as a single body

A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly including i) a positive electrode plate on which a positive active material is formed, ii) a negative electrode plate on which a negative active material is formed, and iii) a separator separating the positive and negative electrode plates. The battery also includes a can accommodating the electrode assembly, wherein the can has an inner surface facing the electrode assembly, an inner active material layer formed on the inner surface of the can and a securing layer covering the inner active material layer.

Secondary battery

Growing community of inventors

Yongin-si, South Korea

Hee-Sung Choi