About 223 results
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https://drivepatents.com/patents/972364 · 16 Jul 2014
An electric storage device includes: a rolled electrode assembly 10 formed by winding a positive electrode, a negative electrode, and a separator so as to have curved portions and linear portions; current collectors 7; and an electrolyte solution 3. A posi...
https://drivepatents.com/patents/972685 · 9 Jul 2014
Disclosed are an improved electrode assembly which may allow an electrode plate to be more easily impregnated with an electrolyte and also ensure gas to be easily discharged, and a secondary battery having the electrode assembly. The electrode assembly inc...
https://drivepatents.com/patents/972675 · 9 Jul 2014
There are provided an electrode assembly, a battery cell including the electrode assembly, and a device including the electrode assembly. The electrode assembly includes a combination of two or more electrode units having the same width and different lengt...
https://drivepatents.com/patents/974312 · 28 May 2014
The invention is directed to an electrode assembly (10,400) and a rechargeable battery (101) comprising the same. In order to improve energy density, the invention provides that an electrode (11, 410, 12, 420) comprises an inner uncoated region (1 2c, 410c...
https://drivepatents.com/patents/975415 · 7 May 2014
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulator mounted on the top of the jelly-roll includes a perforated inlet...
https://drivepatents.com/patents/976061 · 16 Apr 2014
A secondary battery includes a battery case having a first surface; and a cover that covers at least one portion of the first surface. In the secondary battery, the cover includes at least one extension portion that covers at least one portion of a second ...
https://drivepatents.com/patents/979289 · 29 Jan 2014
A jelly-roll type electrode assembly is disclosed. The jelly-roll type electrode assembly includes an anode, a cathode, and separators interposed between the anode and the cathode and having a greater length than width. Each of the separators is longer tha...
https://drivepatents.com/patents/979200 · 29 Jan 2014
The invention relates to a cylindrical battery including an electrode that can be easily expanded and contracted in outer diameter upon insertion into a case. The cylindrical battery includes a cylindrical battery case (2), and a cylindrical electrode asse...
https://drivepatents.com/patents/979197 · 29 Jan 2014
An object of the present invention is to provide a battery that can be readily fabricated, and further, can suppress movement of an electricity-generating element. A battery 100 is provided with an electricity-generating element 2 that is formed by winding...
https://drivepatents.com/patents/979566 · 15 Jan 2014
An object is to provide an electrode assembly in which the adhesiveness of a mixture agent layer onto a current collector can be accurately improved, and an electric storage device including the electrode assembly. Provided are an electrode assembly includ...