A packaged battery, an assembled battery, and a film-covered battery, which can prevent a dangerous state involving a high-pressure gas filled in the film-covered battery while ensuring a sealing reliability, are provided. The Packaged battery includes fil...

A rechargeable battery that is advantageous for being formed in a high-capacity and compact size and that improves long term reliability and structural stability is provided. The rechargeable battery includes: an electrode group including an positive elect...

A secondary battery including: an electrode assembly including a plurality of first and second electrode plates and a plurality of separators between the first and second electrode plates; a first electrode tab on each of the first electrode plates; a seco...

A packaged battery, an assembled battery, and a film-covered battery, which can prevent a dangerous state involving a high-pressure gas filled in the film-covered battery while ensuring a sealing reliability, are provided. [0002] The packaged battery inclu...

A film covered battery has a battery element, a positive and a negative lead terminal connected to the battery element, and a casing for sealing the lead terminals and the battery element together with an electrolytic solution, with portions of the lead te...

A lithium battery (1) has a battery module (2), a battery package (5) for holding the battery module (2) therein, and leads (4) extending from the battery module (2) and projecting outside from the battery package (5). The battery package (5) is formed fro...

A lithium ion battery (1) includes a lithium ion battery module (2) provided with tabs (4), and a package 5 holding the lithium ion battery module (2) therein. The package (5) has a sealed peripheral part (5a) sealed by heat-sealing. At least a part of eac...

A non-aqueous electrolyte rechargeable battery (26) is provided with a switch element (A1) in a circuit for connecting the battery to an external power source (38), the switch element being operable in response to a change in temperature of the battery, th...

An electrochemical cell having a cell package made of a metallic material to allow the cell package to be sealed by welding, even when contaminated, and a method of manufacturing the electrochemical cell. The method of fabricating the cell, includes the st...