About 30 results
https://drivepatents.com/patents/977801 · 5 Mar 2014
A method for producing a lithium titanate precursor includes the step of grinding a lithium compound and a titanium compound in a state where these compounds coexist. More preferably, a method for producing a lithium titanate precursor includes the steps o...
https://drivepatents.com/patents/977785 · 5 Mar 2014
The invention provides a low-cost, efficient method for producing lithium titanate that is useful for applications in electric storage devices. The desired lithium titanate can be obtained by heating at least (1) titanium oxide having a BET single point sp...
https://drivepatents.com/patents/978402 · 19 Feb 2014
The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the ...
https://drivepatents.com/patents/978989 · 5 Feb 2014
The present invention provides positive electrode active substance particles which are improved in charge/discharge capacities, cycle characteristics and thermal stability. The positive electrode active substance particles according to the present inventio...
https://drivepatents.com/patents/980138 · 1 Jan 2014
The positive active material for a lithium secondary battery includes a lithium transition metal composite oxide having an ±-NaFeO 2 -type crystal structure and represented by the composition formula of Li 1+± Me 1-± O 2 (Me is a transition metal includ...
https://drivepatents.com/patents/982070 · 13 Nov 2013
The present invention relates to an anode active material with whole particle concentration gradient for a lithium secondary battery, a method for preparing same, and a lithium secondary battery having same, and more specifically, to a composite anode acti...
https://drivepatents.com/patents/986801 · 18 Sep 2013
The present invention relates to a lithium manganese composite oxide and a method for preparing the same, and more particularly, to a lithium manganese composite oxide and a method for preparing same, in which a wet-milling process and a spray-drying proce...
https://drivepatents.com/patents/996488 · 31 Oct 2012
Disclosed is a lithium titanate that, when used as a positive electrode active material in a lithium secondary battery having a metallic lithium negative electrode, provides a discharge capacity at a discharge rate of 30C that is at least 75% of the discha...
https://drivepatents.com/patents/1008895 · 5 Oct 2011
A positive electrode active material includes first and second lithium nickel complex oxides wherein said first lithium nickel complex oxide has a particle volume distribution of 3.0 µm ≤ D25 ≤ 10.0 µm, 5.0 µm ≤ D50 ≤ 20.0 µm, and 10.0 µm ≤ ...
https://drivepatents.com/patents/1014443 · 30 Mar 2011
The present invention provides a ceramic material allowing a pellet having higher density and satisfactory Li ion conduction to be obtained. The ceramic material contains Li, La, Zr, Al and O and has a garnet-type or garnet-like crystal structure, the rati...