About 28 results
https://drivepatents.com/patents/995243 · 12 Dec 2012
The present invention provides a positive electrode active material for a lithium ion battery with excellent battery characteristics can be provided. The positive electrode active material for a lithium ion battery is represented by the following compositi...
https://drivepatents.com/patents/995199 · 12 Dec 2012
The present invention provides a positive electrode active material for a lithium ion battery with excellent battery characteristics can be provided. The positive electrode active material for a lithium ion battery is represented by the following compositi...
https://drivepatents.com/patents/995548 · 5 Dec 2012
Provided is a copper foil for a negative electrode current collector of secondary battery, wherein: roughening treatment is performed to both front and rear surfaces of a rolled copper alloy foil; an average surface roughness Ra of both the front and rear ...
https://drivepatents.com/patents/996511 · 31 Oct 2012
The present invention provides a positive electrode active material for lithium ion batteries, which realizes a lithium ion battery that is, while satisfying fundamental characteristics of a battery (capacity, efficiency, load characteristics), low in the ...
https://drivepatents.com/patents/996848 · 24 Oct 2012
The present invention provides a positive electrode for lithium ion battery reducing a contact resistance of a battery and achieving an excellent output property. The positive electrode for lithium ion battery comprising a mixed layer comprising: metal for...
https://drivepatents.com/patents/1005433 · 8 Feb 2012
Disclosed is a positive electrode active material that provides an improved capacity density. Specifically disclosed is a positive electrode active material for a lithium ion battery with a layered structure represented by Li x Ni y M 1-y )O z (wherein M r...
https://drivepatents.com/patents/1009566 · 14 Sep 2011
Provided is a positive electrode active material for a lithium ion battery, wherein the oil absorption of NMP (N-methylpyrrolidone) measured with a method that is compliant with JIS K5101-13-1 is 30 mL or more and 50 mL or less per 100 g of powder, and whe...
https://drivepatents.com/patents/1015890 · 9 Feb 2011
Preparation of lithium carbonate, as part of a lithium-ion battery recovering process, comprising: a first step of cleaning an organic phase containing nickel and lithium, prepared by a solvent extraction, by use of a sulfuric acid solution containing nick...