About 49 results
https://drivepatents.com/patents/971148 · 20 Aug 2014
The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode having an inner current collector and an inner electrode active material...
https://drivepatents.com/patents/971149 · 20 Aug 2014
The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode, comp...
https://drivepatents.com/patents/971929 · 30 Jul 2014
Disclosed herein is a cap assembly loaded on an open upper end of a cylindrical container of a battery configured to have a structure in which an electrode assembly (jelly roll) of a cathode/separator/anode structure is mounted in the cylindrical container...
https://drivepatents.com/patents/972237 · 23 Jul 2014
The present invention makes it easy to press a positive electrode or a negative electrode to enhance discharge efficiency (in the case of a primary battery) or charge-discharge efficiency (in the case of a secondary battery) in a cylindrical battery and in...
https://drivepatents.com/patents/972669 · 9 Jul 2014
A rechargeable battery is disclosed. The battery includes an electrode assembly having an uncoated region and an insulation plate disposed on the uncoated region of the electrode assembly. The battery also includes a gasket formed on the insulation plate, ...
https://drivepatents.com/patents/973410 · 25 Jun 2014
Disclosed is a method for manufacturing a secondary battery, which may increase a capacity of the secondary battery and effectively prevent movement of an electrode assembly. The method manufactures a secondary battery having no beading portion at a batter...
https://drivepatents.com/patents/973287 · 25 Jun 2014
A cylindrical battery including: a battery case having a cylindrical shape; an electrode group disposed in the battery case, including a positive electrode, a negative electrode, and a separator, and having a pair of flat outer side surfaces opposed to eac...
https://drivepatents.com/patents/973883 · 11 Jun 2014
A current collecting terminal is commonly used at two active material retaining portions that retain an active material to prevent variations of current collecting efficiency, and further, reduce the number of current collecting terminals, thus not only si...
https://drivepatents.com/patents/974437 · 28 May 2014
The present invention provides a battery that has strength against increase in internal pressure of the battery and does not require consideration of winding displacement in an electrode group. The battery according to the present invention also prevents m...
https://drivepatents.com/patents/974427 · 28 May 2014
This invention provides a battery including a cylindrical battery case and an electrode group that is smaller than the battery case and is accommodated in the battery case, so as to effectively utilize the configurations of the battery case and the electro...