Robert Boschgmbh

Samsung Sdi Co., Inc.

Chun-Mo Yang

Sung-Hoon Kim

Hyo-Seob Kim

Kasai Masahiro

A rechargeable battery includes an electrode assembly having a positive electrode, a negative electrode, and a separator located between the positive electrode and the negative electrode; a case housing the electrode assembly, the case having an opening; a cap assembly including a cap plate coupled to the opening of the case and a vent member on the cap plate adapted to discharge a gas from the case; and a separation member located between the electrode assembly and the cap plate to prevent the electrode assembly from significantly moving toward the cap plate.

Rechargeable battery

A positive electrode for a rechargeable lithium battery includes a first positive active material represented by LiNiCoMO, and a second positive active material represented by LiNiCoMnO. M is selected from Al, B, Cr, Fe, Mg, Sr, and V, 0.95&#x2266;a&#x2266;1.1, 0.5&#x2266;b&#x2266;0.9, 0&#x2266;c&#x2266;0.3, 0&#x2266;d&#x2266;0.1, 0.95&#x2266;e&#x2266;1.1, 0.33&#x2266;f&#x2266;0.5, 0.15&#x2266;g&#x2266;0.33, and 0.3&#x2266;h&#x2266;0.35. A rechargeable lithium battery includes the positive electrode, a negative electrode and an electrolyte.

Growing community of inventors

Yongin-si, South Korea

Chun-Mo Yang