# US 11,998,923 B2 · Lithium containing nano powders, mechanical alloys, or combinations thereof; methods, and systems for manufacturing the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,998,923 B2 - Document ID: US11998923B2 - Status: Granted - Kind: B2 - Application number: 17/664,044 - Filed: 2022-05-18 - Published: 2022-11-24 - Granted: 2024-06-04 - Earliest claimed: 2021-05-19 - Assignees: ABM Nano LLC - Applicants: ABM Nano LLC - Inventors: Zhuo Chen; Shizhu Chen; Hui Li; Pufang Xiao - Web page: https://patentgrep.com/patent/US11998923B2 ## CPC - B02C 17/1815: {Cooling or heating devices} - B02C 17/18: Details - H01M 4/485: of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M4/505, H01M4/525 take precedence) - H01M 10/052: Li-accumulators - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - B02C 17/14: Mills in which the charge to be ground is turned over by movements of the container other than by rotating, e.g. by swinging, vibrating, tilting {(mills provided with vibrators in general B02C19/16)} - H01M 10/0562: Solid materials - Y02E 60/10: Energy storage using batteries - B02C: CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN ({household tools and machines for pulverising foodstuffs, e.g. coffee and spice mills A47J42/00; pharmaceutical mortars A61J3/02; mechanical processing of refuse and garbage B03B9/06; dressing mould materials by grinding B22C5/04}; obtaining metallic powder by crushing, grinding or milling B22F9/04; {recovery of plastics by disintegrating B29B17/00; crushing raw materials in starch making C08B30/02; beaters for papermaking D21D1/02; crushing devices specially for transport in mines E21F13/002; slag crushing devices F23J1/00; fuel milling devices in combustion apparatus F23K1/00; household devices for crushing coal F24B15/02; ice disintegrating devices F25C5/02}) - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract One general aspect of the present disclosure is directed to a method of manufacturing a lithium containing nano powder. An additional general aspect of the present disclosure relates to a system for manufacturing the lithium containing nano powder. A further general aspect of the present disclosure pertains to the lithium containing nano powder. A further general aspect of the present disclosure relates to converting a plurality of metals, a plurality of metal oxides, or a combination thereof into a mechanical alloy using the manufacturing method and system of the present disclosure. The mechanical alloy may be a powder, e.g., a nano powder, and may or may not include the lithium containing nano powder. ## Claims ### Claim 1 A method comprising: milling microscopic lithium lanthanum zirconium oxide (LLZO) powder with a milling device while the milling device is in a first position; turning the milling device, so that the milling device is in a second position; agitating the microscopic LLZO powder while the milling device is in the second position; cooling the microscopic LLZO powder while the milling device is in the second position; returning the milling device to the first position; and repeating the milling, turning, agitating, cooling, and returning steps until the microscopic LLZO powder is converted into LLZO nano powder. ### Claim 2 (depends on 1) The method of claim 1, where the milling device is a ball mill comprising: a milling chamber; and a plurality of milling balls. ### Claim 3 (depends on 1) The method of claim 1, where the microscopic LLZO powder has an average particle size of 1 to 1000 microns. ### Claim 4 (depends on 1) The method of claim 1, further comprising synthesizing the microscopic LLZO powder within the milling device using a plurality of metals, a plurality of metal oxides, or a combination thereof. ### Claim 5 (depends on 1) The method of claim 1, where milling the microscopic LLZO powder comprises rotating the milling device about an axis of the milling device at a rotational speed of 100 rpm to 3000 rpm. ### Claim 6 (depends on 1) The method of claim 1, where the first position is a vertical position. ### Claim 7 (depends on 1) The method of claim 1, where the second position is a horizontal position. ### Claim 8 (depends on 1) The method of claim 1, where turning the milling device to the second position comprises turning the milling device 90°. ### Claim 9 (depends on 1) The method of claim 1, where returning the milling device to the first position comprises turning the milling device 90° in an opposite direction. ### Claim 10 (depends on 1) The method of claim 1, where the LLZO nano powder has an average particle size of 1 nm to 500 nm. ### Claim 11 (depends on 1) The method of claim 1, where a temperature inside the milling device ranges from 20° C. to 180° C. ### Claim 12 (depends on 1) The method of claim 1, where agitating the microscopic LLZO powder inside the milling device comprises striking the milling device with an impact rod. ### Claim 13 (depends on 1) The method of claim 1, where agitating the microscopic LLZO powder comprises rotating the milling device about an axis of the milling device at a rotational speed of 5 rpm to 500 rpm. ### Claim 14 (depends on 1) The method of claim 1, where cooling the microscopic LLZO powder comprises directly contacting the milling device with a cooling medium by dispersing a cooling medium to an area surrounding the milling device using a nozzle. ### Claim 15 (depends on 1) The method of claim 1, where cooling the microscopic LLZO powder comprises indirectly contacting the milling device with a cooling medium by running the cooling medium through a cooling jacket that surrounds the milling device. ### Claim 16 (depends on 1) The method of claim 1, where the method does not comprise contacting the microscopic LLZO powder with a liquid. ### Claim 17 (depends on 1) The method of claim 1, where the method does not comprise contacting the microscopic LLZO powder with a solvent. ### Claim 18 (depends on 1) The method of claim 1, where the method results in a production yield, of the LLZO nano powder, of 98% to 100%. ### Claim 19 (depends on 1) The method of claim 1 where the LLZO nano powder has an average particle size of 1 nanometers to 500 nanometers. ### Claim 20 (depends on 1) The method of claim 1 where the LLZO powder has the lithium containing nano powder has a particle density of 0.1 g/cm3 to 5 g/cm3.