About 54 results
https://drivepatents.com/patents/1006647 · 28 Dec 2011
To provide a lithium secondary battery which has high capacity while maintaining excellent cycle characteristic. The lithium secondary battery cathode of the present invention includes a cathode collector formed of a conductive substance, and a cathode act...
https://drivepatents.com/patents/1007100 · 14 Dec 2011
Disclosed are a positive active material for a rechargeable lithium battery and a rechargeable lithium battery using the same. The positive active material is represented by the following Chemical Formula 1, and has an effective magnetic moment of about 2....
https://drivepatents.com/patents/1008346 · 26 Oct 2011
The present invention provides an electrode mixture, an electrode and a nonaqueous electrolyte secondary battery. The electrode mixture includes a lithium mixed metal oxide represented by formula (1) : Li z (Ni 1- x-yMn x M y )O 2 (1), an electrically cond...
https://drivepatents.com/patents/1009289 · 28 Sep 2011
By exposing the crystal plane (a plane other than the (003) plane: e.g., the (101) plane and (104) plane) through which lithium ions are favorably intercalated and deintercalated, more to an electrolyte, characteristics such as cell capacity is improved. T...
https://drivepatents.com/patents/1009288 · 28 Sep 2011
An object of the present invention is to provide a multi-component system (cobalt-nickel-manganese three-component system) cathode active material for a lithium secondary battery which has improved characteristic as compared with conventional lithium secon...
https://drivepatents.com/patents/1009264 · 28 Sep 2011
An object of the present invention is to provide a lithium secondary battery which has improved capacity, durability, and rate characteristic as compared with conventional lithium secondary batteries. A plate-like particle or a film for a lithium secondary...
https://drivepatents.com/patents/1009290 · 28 Sep 2011
An object of the present invention is to provide a lithium secondary battery which has improved capacity, durability, and rate characteristic as compared with conventional lithium secondary batteries. A plate-like particle or a film for a lithium secondary...
https://drivepatents.com/patents/1010421 · 10 Aug 2011
A sintered lithium complex oxide characterized in that the sintered lithium complex oxide is constituted by sintering fine particles of a lithium complex oxide, the peak pore size giving the maximum differential pore volume is 0.80-5.00 µm, the total pore...
https://drivepatents.com/patents/1010546 · 3 Aug 2011
Disclosed herein is a cathode active material including a lithium transition metal oxide based on at least one transition metal selected from a group consisting of Ni, Mn and Co. The lithium transition metal oxide contains fluorine, and most of the fluorin...
https://drivepatents.com/patents/1011902 · 15 Jun 2011
A positive electrode active material for lithium batteries includes secondary particles (12) having primary particles (11) and an amorphous material (13). A method of manufacturing the positive electrode active material includes mixing a lithium composite ...