About 11 results
https://drivepatents.com/patents/1395624 · 11 Mar 2026
The present disclosure relates to the technical field of positive electrode materials, and provides a positive electrode material and a preparation method therefor, a positive electrode plate, and a battery. The preparation method comprises the following s...
https://drivepatents.com/patents/1400338 · 31 Dec 2025
The present invention relates to a positive electrode active material precursor, which has a composition represented by Formula 1 or Formula 2 and includes a first region formed in a center of a particle of the positive electrode active material precursor,...
https://drivepatents.com/patents/1391768 · 22 Oct 2025
Disclosed are a positive active material for a rechargeable lithium battery, and rechargeable lithium battery including the same. The positive active material for a rechargeable lithium battery includes a first positive active material including a secondar...
https://drivepatents.com/patents/1400682 · 8 Jan 2025
The present invention relates to a method of preparing a positive electrode active material which includes the steps of forming a pre-sintered product by mixing a transition metal precursor having a nickel content of 70 atm% or more and a lithium raw mater...
https://drivepatents.com/patents/976142 · 16 Apr 2014
Provided are a cathode active material having a suitable particle size and high uniformity, and a nickel composite hydroxide as a precursor of the cathode active material. When obtaining nickel composite hydroxide by a crystallization reaction, nucleation ...
https://drivepatents.com/patents/976720 · 2 Apr 2014
A positive electrode material for an alkaline storage battery includes: nickel hydroxide; and at least one of a Sr compound, a Ca compound, and a compound of at least one element selected from the group consisting of Y and lanthanide elements of atomic num...
https://drivepatents.com/patents/976721 · 2 Apr 2014
A positive electrode material for an alkaline storage battery contains nickel hydroxide. In the crystallite of the nickel hydroxide, Zn and at least one element selected from the group consisting of Al, Ga, Mn, and Mo are held in solid solution. In this po...
https://drivepatents.com/patents/1015414 · 2 Mar 2011
Nickel oxyhydroxide can be prepared by exposing a mixture of a nickel hydroxide and a hydroxide salt to ozone. The nickel oxyhydroxide is suitable for use in the cathode of a battery.
https://drivepatents.com/patents/1085081 · 11 Aug 2004
The present invention provides an alkaline battery suitable for use as a primary or secondary battery as a power source of electronic appliances. The battery is excellent in discharge characteristics under a heavy load and in cycle characteristics. The alk...
https://drivepatents.com/patents/1106439 · 27 Feb 2002
A high capacity alkaline storage battery which exhibits a maintained dischargeability and a reduced excess negative electrode capacity by decreasing the content of ³-NiOOH left in higher order positive active material. To an aqueous solution of a mixture ...