About 635 results
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https://drivepatents.com/patents/967473 · 12 Nov 2014
Disclosed are a method of manufacturing an electrode for secondary batteries that includes surface-treating a current collector so as to have a morphology wherein a surface roughness Rof 0.001 µm to 10 µm is formed over the entire surface thereof, wherei...
https://drivepatents.com/patents/967465 · 12 Nov 2014
Provided is a cathode including a cathode current collector, a cathode tab protruding from the cathode current collector, and an insulation layer coated with an insulating material on the cathode tab, and a secondary battery including the cathode. [0002] S...
https://drivepatents.com/patents/967756 · 5 Nov 2014
The present invention provides a method for manufacturing a separator, comprising the steps of (S1) preparing a porous planar substrate having multiple pores; (S2) coating a coating solution obtained by dissolving a binder polymer in a solvent and dispersi...
https://drivepatents.com/patents/967650 · 5 Nov 2014
Disclosed are a method of manufacturing an electrode for secondary batteries that includes surface-treating a current collector so as to have a morphology wherein a surface roughness Rof 0.001 µm to 10 µm is formed over the entire surface thereof to enha...
https://drivepatents.com/patents/967659 · 5 Nov 2014
Disclosed herein is a battery cell assembly including a plurality of battery cells stacked while being electrically connected to each other, wherein one or more of the battery cells are mounted in each cell housing member in a state in which opposite sides...
https://drivepatents.com/patents/967687 · 5 Nov 2014
The present invention provides a lithium secondary battery and the preparation thereof, more specifically a lithium secondary battery comprising an electrode assembly having a cathode, an anode, and a separator interposed between the cathode and the anode;...
https://drivepatents.com/patents/968321 · 29 Oct 2014
Disclosed herein is a battery pack having a plurality of battery cells electrically connected to each other, the battery cells being chargeable and dischargeable, wherein the battery pack includes two or more kinds of battery groups having different capaci...
https://drivepatents.com/patents/968003 · 29 Oct 2014
The present invention relates to a mixed cathode active material comprising lithium manganese oxide expressed by the following [formula 1] and a second cathode active material expressed by the following [formula 2], and to a lithium secondary battery inclu...
https://drivepatents.com/patents/968005 · 29 Oct 2014
Disclosed is an isolation resistance measuring apparatus having a fault self-diagnosing function and a fault self-diagnosing method using the same. The isolation resistance measuring apparatus having a fault self-diagnosing function detects whether a fault...
https://drivepatents.com/patents/968008 · 29 Oct 2014
Disclosed is a lithium secondary battery that includes an anode coated with an anode mixture including an anode active material, a cathode coated with a cathode mixture including a cathode active material, and a non-aqueous electrolyte, wherein the anode m...