About 75 results
https://drivepatents.com/patents/1011338 · 6 Jul 2011
The present invention relates to a lithium transition metal based compound powder for a lithium secondary battery positive electrode material, characterized by comprising a lithium transition metal based compound, which has a function of enabling insertion...
https://drivepatents.com/patents/1011598 · 29 Jun 2011
The present invention provides a nonaqueous electrolytic solution which can give excellent cycle characteristics when used in a nonaqueous electrolyte secondary cell. The nonaqueous electrolytic solution contains a linear carbonate represented by the formu...
https://drivepatents.com/patents/1011876 · 22 Jun 2011
A lithium transition metal based compound powder for a lithium secondary battery positive electrode material, characterized by comprising a lithium transition metal based compound, which has a function of enabling insertion and elimination of lithium ions,...
https://drivepatents.com/patents/1014254 · 6 Apr 2011
To provide a nonaqueous secondary battery exhibiting a sufficiently small charge/discharge irreversible capacity in the initial cycle, exhibiting an excellent charge acceptance and excellent cycle characteristics, even when the negative electrode material-...
https://drivepatents.com/patents/1016313 · 26 Jan 2011
A non-aqueous liquid electrolyte secondary battery comprising a anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and a non-aqueous liquid electrolyte, having high charging capacity, capable of maintaining ...
https://drivepatents.com/patents/1066698 · 7 Jun 2006
An excellent positive electrode material for a lithium secondary battery is provided that can increase low-temperature load characteristics of the battery as well as improving coatability. When measured by mercury intrusion porosimetry, the material meets ...
https://drivepatents.com/patents/1066900 · 7 Jun 2006
An object of this invention is to improve battery performance such as a rate capability of a nonaqueous electrolyte solution secondary battery using a separator constituting a thermoplastic resin-based porous film containing a filler. This invention provid...
https://drivepatents.com/patents/1070223 · 8 Feb 2006
A layered lithium-nickel-based compound oxide powder for a positive electrode material for a high density lithium secondary cell, capable of providing a lithium secondary cell having a high capacity and excellent in the rate characteristics also, is provid...
https://drivepatents.com/patents/1071884 · 14 Dec 2005
A subject for the invention is to provide a lithium secondary battery which can be improved in high-output/high-input characteristics based on a reduction in the thickness of an active material layer, has a long life, and is highly safe. [0002] The inventi...
https://drivepatents.com/patents/1072324 · 23 Nov 2005
An object of the invention is to provide such a battery that has a high capacity, is excellent in storage characteristics, cycle characteristics and continuous charging characteristics, and is small in gas generation amount, whereby size reduction and impr...