About 24 results
https://drivepatents.com/patents/980270 · 1 Jan 2014
According to one embodiment, there is provided a nonaqueous electrolyte secondary battery comprising a positive electrode and a negative electrode. The positive electrode comprises a positive electrode current collector having a first surface and a positiv...
https://drivepatents.com/patents/980537 · 25 Dec 2013
According to an embodiment, there is provided a non-aqueous electrolyte secondary battery (1) including a positive electrode (4), a negative electrode (5) including a negative electrode active material layer (5b), and a non-aqueous electrolyte. The negativ...
https://drivepatents.com/patents/980476 · 25 Dec 2013
Provided is a composite electrode for a lithium secondary battery for improving output and a lithium secondary battery including the composite electrode, in which, in a composite electrode having two or more active materials mixed therein, an active materi...
https://drivepatents.com/patents/982592 · 30 Oct 2013
It is an object of the present invention to provide a positive electrode for nonaqueous electrolyte secondary batteries that can suppress decreases in the discharge capacity and discharge voltage even when continuous charging is performed at high temperatu...
https://drivepatents.com/patents/989116 · 3 Jul 2013
The present invention provides an electrode material for a secondary battery wherein the inside and the surface of a lithium-titanium complex oxide is composited with a fine carbon fiber as a network.
https://drivepatents.com/patents/994554 · 2 Jan 2013
An electrode mixture containing a lithium mixed metal oxide having a BET specific surface area of 2 to 30 m 2 /g, a water-soluble polymer having an acid functional group, water and an electrically conductive material. An electrode produced by applying the ...
https://drivepatents.com/patents/997832 · 26 Sep 2012
According to one embodiment, a battery active material includes a complex oxide containing Nb and Ti and an element M. In the active material, the molar ratio (M/Ti) of the element M to Ti satisfies the following formula (I): 0 < M/Ti ≤ 0.5 (I). In the c...
https://drivepatents.com/patents/1001501 · 13 Jun 2012
In accordance with the present invention, a powdery material and a positive electrode mixture for providing a nonaqueous electrolyte secondary battery capable of exhibiting a higher output under high current rate conditions are provided. The powdery materi...
https://drivepatents.com/patents/1001953 · 30 May 2012
Disclosed are a negative active material of a rechargeable lithium battery and a rechargeable lithium battery including a negative electrode, and the negative electrode includes a negative active material layer including a negative active material represen...
https://drivepatents.com/patents/1002749 · 2 May 2012
A positive active material for a lithium secondary battery comprises a core comprising a compound that can reversibly intercalate and deintercalate lithium; and a lithium ion conductive ceramic compound attached to the surface of the core and represented b...