About 223 results
Showing the first 200 results.
https://drivepatents.com/patents/1001245 · 20 Jun 2012
Provided is a cylindrical battery in which an electrode assembly fabricated by rolling a cathode/separator/anode and an electrolyte are provided in a cylindrical can, wherein a cap assembly mounted on the opening top of the cylindrical can comprises: a saf...
https://drivepatents.com/patents/1001354 · 13 Jun 2012
A battery includes current collectors for electrically connecting a power generating element contained inside of a battery case to external terminals, respectively. A caulking head of a rivet for fixing the negative current collector to a cover is containe...
https://drivepatents.com/patents/1001847 · 6 Jun 2012
Provided is a battery which can reduce expansion caused by gas emission when stored at high temperature. A secondary battery (1) is constructed such that a flat wound electrode (20) as a power generating element is sandwiched between exterior members (30a,...
https://drivepatents.com/patents/1001599 · 6 Jun 2012
The present invention is directed to a rechargeable battery (100) comprising an electrode assembly (10) comprising a first electrode (11), a second electrode (12), and a separator (13) between the first electrode (11) and the second electrode (12), a case ...
https://drivepatents.com/patents/1001926 · 30 May 2012
A rechargeable battery including at least one electrode assembly that performs charging and discharging; a case receiving the electrode assembly; a cap assembly coupled to the case and including at least one terminal electrically connected to the electrode...
https://drivepatents.com/patents/1002304 · 16 May 2012
Provided is a secondary battery that improves the coupling force between a collector and a cap plate to reduce a electrolyte leakage. The secondary battery includes a case, an electrode assembly inserted in the case, an electrode terminal of a collector co...
https://drivepatents.com/patents/1003162 · 25 Apr 2012
Provided is a battery cell that allows the inner surfaces of connection strips of a current collector to be brought into contact with the outermost circumferential surface of a layered electrode portion of a power generating element while preventing the co...
https://drivepatents.com/patents/1003023 · 25 Apr 2012
A cable-type secondary battery includes an electrode assembly, which has a first polarity current collector having a long and thin shape, at least two first polarity electrode active material layers formed on the first polarity current collector to be spac...
https://drivepatents.com/patents/1003001 · 25 Apr 2012
A cable-type secondary battery includes an electrode assembly, which has a first polarity current collector having a long and thin shape, at least two first polarity electrode active material layers formed on the first polarity current collector to be spac...
https://drivepatents.com/patents/1002989 · 25 Apr 2012
A method for manufacturing a cable-type secondary battery includes: preparing a first polarity current collector having a long and thin shape; forming at least two first polarity electrode active material layers on the first polarity current collector to b...