Stein, McEwen & Bui, LLP
Lithium ion secondary battery
A lithium ion secondary battery in which a safety vent as a safety device for a swelling phenomenon functions under a low pressure. A notch is formed in an inner surface of a large-area wall of the secondary battery, and an auxiliary notch is formed in an outer surface to correspond to the notch formed in the inner surface.
Samsung SDI Co., Ltd.
Y H Y H H H H
Y02P H01M Y02E H01M H01M H01M H01M
additional inventional additional additional inventional inventional additional
Jun Ho
Kim