# US 10,307,746 B2 · Palladium hydride nanomaterials > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,307,746 B2 - Document ID: US10307746B2 - Status: Granted - Kind: B2 - Application number: 15/505,454 - Filed: 2015-08-21 - Published: 2017-09-28 - Granted: 2019-06-04 - Earliest claimed: 2014-08-22 - Assignees: The Regents of the University of California - Applicants: The Regents of the University of California - Inventors: Xiangfeng Duan; Yu Huang; Zipeng Zhao; Xiaoqing Huang - Web page: https://patentgrep.com/patent/US10307746B2 ## CPC - B01J 31/121: {Metal hydrides} - B01J 35/45: Nanoparticles - B01J 37/0072: {Preparation of particles, e.g. dispersion of droplets in an oil bath} - B01J 37/009: {Preparation by separation, e.g. by filtration, decantation, screening} - B01J 37/04: Mixing {(B01J37/0009, B01J37/0018 take precedence)} - B01J 37/06: Washing {(B01J37/0009, B01J37/0018 take precedence)} - B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites - C01B 3/0026: Metals or metal hydrides - C01B 3/0031: Intermetallic compounds; Metal alloys - C01B 6/02: Hydrides of transition elements; Addition complexes thereof - C01B 6/24: Hydrides containing at least two metals; Addition complexes thereof (C01B6/13 - C01B6/23 take precedence) - Y02E 60/32: Hydrogen storage - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES - C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C} - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A palladium hydride nanomaterial includes nanostructures having a chemical composition represented by the formula: My-PdxHz, where M is at least one metal different from palladium; x has a non-zero value in the range of 0 to 5; y has a value in the range of 0 to 5; and z has a non-zero value in the range of 0 to 5. ## Claims ### Claim 1 A palladium hydride nanomaterial, comprising: nanostructures having a chemical composition represented by the formula: My-PdxHz, wherein M is at least one metal different from palladium; x has a non-zero value in the range of 0 to 5; y has a value in the range of 0 to 5; and z has a non-zero value in the range of 0 to 5, wherein a sum of x and y is equal to 1, and a ratio of z to the sum of x and y is less than or equal to 0.5, wherein the nanostructures have sizes in the range of 1 nm to 500 nm. ### Claim 2 (depends on 1) The palladium hydride nanomaterial of claim 1, wherein y has a non-zero value, M is at least one transition metal different from palladium, and the nanostructures include an intermetallic alloy of M and palladium. ### Claim 3 (depends on 1) The palladium hydride nanomaterial of claim 1, wherein M is selected from nickel, cobalt, chromium, manganese, vanadium, and platinum. ### Claim 4 (depends on 1) The palladium hydride nanomaterial of claim 1, wherein x is in the range of 0.2 to 1. ### Claim 5 (depends on 1) The palladium hydride nanomaterial of claim 1, wherein y is in the range of 0 to 0.8. ### Claim 6 A palladium hydride nanomaterial, comprising: nanostructures having a chemical composition represented by the formula: My-PdxHz, wherein M is at least one metal different from palladium; x has a non-zero value in the range of 0 to 5; y has a non-zero value in the range of 0 to 5; and z has a non-zero value in the range of 0 to 5, wherein the nanostructures have sizes in the range of 1 nm to 500 nm. ### Claim 7 (depends on 6) The palladium hydride nanomaterial of claim 6, wherein the nanostructures are crystalline. ### Claim 8 (depends on 6) The palladium hydride nanomaterial of claim 6, having a specific surface area of at least 1 m2/g. ### Claim 9 (depends on 6) The palladium hydride nanomaterial of claim 6, wherein M is selected from nickel, cobalt, chromium, manganese, vanadium, and platinum. ### Claim 10 (depends on 6) The palladium hydride nanomaterial of claim 6, wherein x is in the range of 0.2 to 1, y is in the range of 0 to 0.8, and z is in the range of 0.1 to 0.9. ### Claim 11 A solution phase synthesis method to form a palladium alloy hydride nanomaterial, comprising: reacting a palladium-containing precursor and at least one other metal-containing precursor in a liquid medium to form nanostructures of a palladium alloy hydride, wherein the metal-containing precursor includes a metal different from palladium. ### Claim 12 (depends on 11) The method of claim 11, wherein the metal is a transition metal different from palladium. ### Claim 13 (depends on 11) The method of claim 11, wherein the metal is selected from nickel, cobalt, chromium, manganese, vanadium, and platinum. ### Claim 14 (depends on 11) The method of claim 11, wherein the palladium-containing precursor is a coordination complex of palladium with an organic anion. ### Claim 15 (depends on 11) The method of claim 11, wherein the metal-containing precursor is a coordination complex of the metal with an organic anion. ### Claim 16 (depends on 11) The method of claim 11, wherein a weight ratio of the metal-containing precursor and the palladium-containing precursor is in the range of 0.1 to 10. ### Claim 17 (depends on 11) The method of claim 11, wherein the liquid medium includes at least one organic solvent. ### Claim 18 (depends on 11) The method of claim 11, wherein reacting is under conditions of a temperature in the range of 50° C. to 250° C., and a time duration in the range of 0.5 h to 15 h. ### Claim 19 (depends on 11) The method of claim 11, wherein reacting is in the presence of an amine. ### Claim 20 (depends on 11) The method of claim 11, wherein the nanostructures have sizes in the range of 1 nm to 500 nm.