About 223 results
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https://drivepatents.com/patents/998946 · 29 Aug 2012
The present invention provides a method for producing a lithium secondary battery in which peeling of an active substance can be prevented and the generation of metal powder canbe prevented when a power collection foil is processed at an electrode producti...
https://drivepatents.com/patents/999280 · 15 Aug 2012
An electrode assembly includes first and second electrode plates respectively comprising first and second active material portions on which first and second active materials are coated and first and second non-coating portions on which the first and second...
https://drivepatents.com/patents/999699 · 8 Aug 2012
A method for producing an assembled battery, comprising the following steps: (a) producing a plurality of unit cells; (b) arranging the plurality of unit cells in a nested manner such that one unit cell is disposed within another unit cell; and (c) electri...
https://drivepatents.com/patents/999863 · 1 Aug 2012
Provided is a cylindrical battery, comprising a cylindrical battery electrode assembly which is formed by coiling a positive plate and a negative plate separated by a diaphragm and is coiled on a core bar. The cylindrical battery is characterized in that a...
https://drivepatents.com/patents/999796 · 1 Aug 2012
A secondary battery includes an electrode assembly, a collector plate electrically connected to the electrode assembly and having a bottom surface support portion facing a bottom surface of the electrode assembly, and a case surrounding the electrode assem...
https://drivepatents.com/patents/999962 · 25 Jul 2012
The present invention refers to a secondary battery including an electrode assembly wound about an axis extending in a first direction and including a coating portion having an active material thereon, and a non-coating portion at a first end of the electr...
https://drivepatents.com/patents/1000209 · 18 Jul 2012
A secondary battery includes an electrode assembly including a first electrode plate including a first electrode non-coating portion on which an active material of the first electrode plate is not coated, a second electrode plate including a second electro...
https://drivepatents.com/patents/1000208 · 18 Jul 2012
A secondary battery comprises a wound electrode assembly that comprises a positive electrode, a negative electrode and a separator wound together around a winding axis, a case for accommodating the electrode assembly and an electrolyte and first and second...
https://drivepatents.com/patents/1000454 · 11 Jul 2012
A battery includes an electrode assembly having a first electrode plate and a second electrode plate each having an uncoated portion, and a separator located between the first electrode plate and the second electrode plate; a case accommodating the electro...
https://drivepatents.com/patents/1000641 · 4 Jul 2012
A cylindrical Ni-Zn battery includes a battery shell, an electrode assembly and a liquid electrolyte which are sealed within the shell. The electrode assembly, whose upper part is connected to a cap, includes a nickel cathode, zinc anode, and a composite m...