About 33 results
https://drivepatents.com/patents/1392174 · 29 Apr 2026
Provided is a method for obtaining a solution having a high concentration of nickel and/or cobalt from an alloy that contains copper as well as nickel and/or cobalt, in a waste lithium-ion battery or the like. A method for treating an alloy according to th...
https://drivepatents.com/patents/1386772 · 11 Mar 2026
A positive electrode active material that can achieve high thermal stability at low cost is provided. [0002] Provided is, for example, a positive electrode active material for a lithium ion secondary battery, the positive electrode active material comprisi...
https://drivepatents.com/patents/1393846 · 12 Nov 2025
Provided is a method that is for producing, from a raw material containing an oxide including nickel and cobalt, a valuable metal containing said nickel and cobalt, and that enables the degree of reduction of an alloy obtained through a melting process to ...
https://drivepatents.com/patents/1398255 · 5 Nov 2025
There is provided a positive electrode active material with which a lithium ion secondary battery with both high battery capacity and high thermal stability achieved at a high level is obtainable. [0002] A positive electrode active material for a lithium i...
https://drivepatents.com/patents/1400066 · 11 Jun 2025
The present invention provides a method which is capable of more strictly controlling the oxygen partial pressure required during the melting of a starting material, thereby being capable of recovering a valuable metal more efficiently.A method for recover...
https://drivepatents.com/patents/1400068 · 21 May 2025
The present invention provides a method which is capable of more strictly controlling the oxygen partial pressure required during the melting of a starting material, thereby being capable of recovering a valuable metal more efficiently.A method for recover...
https://drivepatents.com/patents/942483 · 1 Jun 2016
Provided is a cathode active material for a non-aqueous electrolyte secondary battery, with which it is possible to improve the output characteristics during use in extremely low-temperature environments. A lithium compound is mixed with nickel cobalt mang...
https://drivepatents.com/patents/965687 · 31 Dec 2014
The present invention provides nickel-cobalt-manganese composite hydroxide and a method for manufacturing same, the nickel-cobalt-manganese composite hydroxide as a precursor allowing a positive electrode active material having excellent battery characteri...
https://drivepatents.com/patents/965632 · 31 Dec 2014
Provided is a cathode active material for a non-aqueous electrolyte secondary battery that has a uniform particle size and high packing density, and that is capable of increased battery capacity and improved coulomb efficiency. When producing a nickel comp...
https://drivepatents.com/patents/965620 · 31 Dec 2014
Provided is a positive-electrode material for nonaqueous-electrolyte secondary batteries, the positive-electrode material being capable of achieving both high capacity and high output when used for a positive electrode for nonaqueous-electrolyte secondary ...