About 57 results
https://drivepatents.com/patents/954525 · 6 Jan 2016
[Object] Provided is a means which is capable, with respect to a non-aqueous electrolyte secondary battery, of suppressing a decrease in capacity when the battery is used for a long period of time, and improving cycle characteristics. [0002] [Solving Means...
https://drivepatents.com/patents/954523 · 6 Jan 2016
[Object] Provided is a means which is capable, with respect to a non-aqueous electrolyte secondary battery, of suppressing a decrease in capacity when the battery is used for a long period of time, and improving cycle characteristics. [Solving Means] Discl...
https://drivepatents.com/patents/958362 · 19 Aug 2015
[Problem] To provide a means that can suppress elution of transition metals, particularly manganese, in a positive electrode active substance for a nonaqueous electrolyte secondary cell. [Solution] The present invention provides a positive electrode active...
https://drivepatents.com/patents/952661 · 14 Jan 2015
[Summary] A positive electrode active material is provided to contain: a solid solution lithium-containing transition metal oxide (A) represented by Li[NiaCoMn[Li]]O(where a, b, c and d satisfy the relations of 0.1≤d≤0.4, a+b+c+d=1.5, and 1.1≤a+b+c...
https://drivepatents.com/patents/965909 · 24 Dec 2014
An object of the present invention is to provide an active material for a nonaqueous electrolyte secondary battery, which has a high discharge capacity and excellent power performance in a low SOC region. [0002] The active material for a nonaqueous electro...
https://drivepatents.com/patents/966465 · 10 Dec 2014
Disclosed are precursor particles of a lithium composite transition metal oxide for lithium secondary batteries, wherein the precursor particles of a lithium composite transition metal oxide are composite transition metal hydroxide particles including at l...
https://drivepatents.com/patents/967168 · 19 Nov 2014
Provided is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a negative active material and an electrolyte including a lithium salt and a non-aqueous organic solvent, whe...
https://drivepatents.com/patents/969689 · 24 Sep 2014
Provided is a positive active material for a lithium secondary battery or a lithium secondary battery using the positive active material, in which the positive active material includes a lithium transition metal composite oxide having an ±-NaFeO 2 -type c...
https://drivepatents.com/patents/971777 · 6 Aug 2014
The present invention provides a positive active material for a secondary lithium battery, a method of preparing the positive active material, and a secondary lithium battery including the positive active material, wherein the positive active material incl...
https://drivepatents.com/patents/973881 · 11 Jun 2014
A main object of the present invention is to provide a solid secondary battery having a high energy density and a long service life, which can suitably suppress an increase in the battery resistance when charging has been carried out to a high SOC. To atta...