Nano One Materials has been granted a patent for a stabilized lithium ion cathode material. The material includes a calcined manganese oxide powder with a phosphate bonded to the surface of the cathode material. The patent claim specifies that the material does not contain crystalline MnPO4. GlobalData’s report on Nano One Materials gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Nano One Materials, Hydrogen storage alloys was a key innovation area identified from patents. Nano One Materials's grant share as of September 2023 was 32%. Grant share is based on the ratio of number of grants to total number of patents.
Stabilized lithium ion cathode material without mnpo4
A recently granted patent (Publication Number: US11735712B2) discloses a lithium-ion cathode material that includes a calcined crystalline oxide powder. The powder contains manganese and phosphate bonded to the surface manganese, but does not include crystalline MnPO4.
The cathode material may also include nickel and cobalt, and can be represented by Formula I or Formula II. In Formula I, the calcined crystalline oxide powder is Li1-a-b-c-dNiaMnbCocDdO2, where D is a first dopant and a+b+c+d=1. At least b is not zero, and d=0.1. In Formula II, the powder is LiNixMnyCozEeO4, where E is a second dopant and x+y+z=2. At least y is not zero, and e=0.1. The cathode material in Formula II can exist in a spinel crystalline form.
The patent also covers a battery that includes the lithium-ion cathode material and an anode. The cathode material in the battery has similar characteristics as described above, including the absence of crystalline MnPO4. The battery can be represented by Formula I or Formula II, with the same conditions and limitations as mentioned earlier. The cathode material in Formula II can exist in a spinel crystalline form with a specific unit cell dimension.
Overall, this patent presents a lithium-ion cathode material and a battery that utilize a calcined crystalline oxide powder with specific compositions and characteristics. The inclusion of manganese and phosphate bonded to the surface manganese, along with the absence of crystalline MnPO4, contributes to the performance and stability of the cathode material. The use of specific formulas and dopants allows for the customization and optimization of the cathode material for various battery applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
