Samsung Sdi Co., Inc.

Seon-Hye Kim

Won-Il Jung

Yong-Chul Park

A rechargeable lithium battery that includes a negative electrode including a negative active material; a positive electrode including polyacrylonitrile and a positive active material which is capable of fully charging at about 4.3V or more; and a non-aqueous electrolyte.

Rechargeable lithium battery

In one aspect, a lithium secondary battery that includes a positive electrode including a high-voltage positive active material; and a separator is provided. The high voltage positive active material can have a discharge plateau voltage of greater than or equal to about 4.6V with respect to a Li counter electrode, and the separator can include a porous substrate having a porosity of about 40% to about 60%.

Growing community of inventors

Yongin-si, South Korea

Seon-Hye Kim