About 33 results
https://drivepatents.com/patents/966210 · 17 Dec 2014
To provide a method for recovering lithium, that is capable of efficiently recovering lithium without containing impurities, such as phosphorus and fluorine, from a lithium-containing solution containing lithium hexafluorophosphate and separated from a lit...
https://drivepatents.com/patents/966515 · 10 Dec 2014
To provide a lithium recovery method which is capable of efficiently recovering lithium without containing impurities, such as phosphorus and fluorine. In the present invention, an alkali is added to a discharge liquid and/or a cleaning liquid containing l...
https://drivepatents.com/patents/968204 · 29 Oct 2014
Provided is a lithium composite oxide having a uniform and suitable particle size and high specific surface area due to a hollow structure that can be produced on an industrial scale. A nickel composite hydroxide as a raw material thereof is obtained contr...
https://drivepatents.com/patents/969176 · 8 Oct 2014
There is provided a heat-ray shielding film mainly composed of polyvinyl acetal resin and capable of exhibiting excellent heat shielding properties, and a heat-ray shielding transparent laminated base material using the heat-ray shielding film, the heat-ra...
https://drivepatents.com/patents/969462 · 1 Oct 2014
Provided is a production method for obtaining high purity nickel sulfate having low levels of impurities, particularly low levels of magnesium and chloride, by adjusting the concentration of an extractant and the pH concentration at the time of treatment i...
https://drivepatents.com/patents/970672 · 3 Sep 2014
Disclosed herein is a method for easily and efficiently removing manganese from an aqueous acidic solution of sulfuric acid containing cobalt and manganese at low cast to obtain a high-purity cobalt sulfate aqueous solution usable as a raw material for lit...
https://drivepatents.com/patents/972900 · 9 Jul 2014
Provided are a positive electrode active material for nonaqueous secondary batteries, the material having a narrow particle-size distribution and a monodisperse property and being capable of increasing a battery capacity; an industrial production method th...
https://drivepatents.com/patents/972995 · 2 Jul 2014
Provided is an efficient method for determining the completion of discharging waste batteries, the method being capable of accurately identifying the discharging states of the charge remaining in the waste batteries and appropriately determining the comple...
https://drivepatents.com/patents/972951 · 2 Jul 2014
To obtain a precursor for a positive electrode active material capable of improving cell characteristics of a nonaqueous electrolytic secondary cell. Upon producing a nickel composite hydroxide having a composition represented by NiCoMnM(OH)(where 0 ≤ x ...
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 ...