A secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator, an inner case including an upper opening of which a first surface is open, a lower opening of which a second surface facing the first surfa...

A battery includes a case including a bottom portion, a sidewall portion connected to the bottom portion, and an upper opening opposite to the bottom portion, an electrode assembly accommodated in the case and including a first electrode tab and a second e...

A battery includes an electrode assembly, a case including a bottom portion, a sidewall portion connected to the bottom portion and including a seating portion at one end thereof, and an upper opening opposite to the bottom portion, the case accommodating ...

Batteries with a safety mechanism adapted to protect against tissue damage and/or electrolysis when the battery is exposed to an aqueous solution or a wet tissue.

An electrochemical cell of improved anti-leak property is provided. A silver oxide battery includes: a positive electrode canister (11) having a form of a cylinder with a bottom portion (11a); a negative electrode canister (12) having a form of a cylinder ...