Palladium Nanocomposite for Catalysis Research
Official patent title
Palladium/palladium oxide/calcium silicate/graphitic carbon nitride nanocomposite material
Arabic title: مادة نانو مركبة من البلاديوم/أكسيد البلاديوم/سيليكات الكالسيوم/نتريد الكربون الغرافيتي
Invention
Invention
Problem
Carbon nanomaterials provide conductivity and surface area but can lack electrochemical or catalytic functionality, while multicomponent materials require controlled particle dispersion, pore structure, and phase integration.
Why it matters
A defined palladium-containing quaternary material could support application screening, but no application-specific performance is established. Catalytic activity, electrochemical behavior, palladium loading and recovery, durability, safety, scale-up, and economics require independent verification.
Approach
The disclosure disperses Pd@PdO and CaSiO3 spherical particles on g-C3N4 nanosheets and supplies a multistep autoclave, calcination, and microwave method for forming the composite.
Who may benefit
Potential beneficiaries include catalyst researchers, energy-materials laboratories, sensor and environmental-materials teams, palladium-recovery specialists, nanocomposite manufacturers, and university technology-transfer groups.
Potential value
The publication offers a defined Pd@PdO/CaSiO3/g-C3N4 architecture, particle and pore characteristics, phase-ratio ranges, and a detailed reproducible preparation sequence for later functional testing.
Background
Background
Carbon-based nanomaterials offer high surface area, conductivity, mechanical strength, and chemical stability, but they may lack the redox activity or chemical functions needed for catalysis and ion exchange. Adding metal, metal-oxide, and silicate phases can introduce complementary functionality and improve particle dispersion. Such broad potential does not establish the performance of a particular composition. The publication therefore focuses on a palladium/palladium-oxide, calcium-silicate, and graphitic-carbon-nitride architecture and a controlled method for assembling it.
Technology overview
Technology overview
The claimed material contains spherical Pd@PdO and CaSiO3 particles dispersed on g-C3N4 nanosheets. Average particle diameter is 25 to 250 nm, and BET surface area is at least 45 m2·g−1. Dependent claims define higher surface areas, pore volumes, a 16.39 nm average pore diameter, narrower particle sizes, and phase-ratio ranges. The preparation separately forms CaSiO3, C3N4, and Pd@PdO, disperses them in ethylene glycol monomethyl ether, applies microwave heating at controlled temperature and pressure, then washes and dries the product.
Potential applications
Potential applications
- Application-specific catalyst screening in controlled research.
- Electrochemical and energy-material characterization studies.
- Environmental-material and sensor research subject to functional testing.
- Studies of palladium recovery from multicomponent nanocomposites.
Evidence-supported advantages
Evidence-supported advantages
- Combines palladium, palladium oxide, calcium silicate, and g-C3N4.
- Defines particle diameter, surface area, pore volume, and pore size.
- Disperses spherical inorganic particles on a nanosheet matrix.
- Provides a detailed multistage preparation and microwave-integration route.
Development stage
Development stage
The patent publication specifies a material and fabrication protocol; application-specific performance and commercialization were not established, and development stage was not independently verified.
Commercial opportunity
Commercial opportunity
The near-term opportunity is materials licensing or sponsored application screening. A product case requires a selected use and validated functional performance, palladium utilization and recovery, catalyst or electrode durability, particle release, batch repeatability, microwave-process scale-up, reagent recovery, safety, lifecycle impacts, and economics relative to lower-cost alternatives.
Patent classifications
Patent classifications
WIPO IPC
- B01J23/44Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J23/02Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
CPC
- B01J23/02Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J23/44Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J27/24Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/40Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/45Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/51Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/613Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/615Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/617Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/618Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/635Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/638Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/647Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/031Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/04Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/08Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/342Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/343Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
Inventors
Inventors
- First inventorBabiker Yagoub Elhadi Abdulkhair
- InventorMohamed Khairy Abdel Fattah Omran
Keywords
Keywords
- palladium
- PdO
- CaSiO3
- g-C3N4
- nanocomposite
- microwave synthesis
- porous material
- catalyst research
Patent document and drawings
Patent document and drawings
The patent publication is mapped to this record. Patent drawings remain within that publication; no separately cleared public media package has been supplied.