Overview
Titanium Hydride Nanoparticles (TiH2) are a specialized form of titanium hydride with nanoscale particle sizes, typically ranging from 20 to 100 nm. These particles exhibit enhanced surface area and reactivity compared to bulk titanium hydride, making them valuable in advanced applications. Due to their high hydrogen content (up to 4 wt%), TiH2 nanoparticles are extensively studied for hydrogen storage solutions. Their ability to release hydrogen at moderate temperatures makes them promising for clean energy systems. Additionally, their pyrophoric nature requires careful handling under controlled environments.
Physical and Chemical Properties
TiH2 nanoparticles are characterized by their gray to black powder appearance and a density of 3.76 g/cm³. They decompose at around 400°C, releasing hydrogen gas, which is a critical property for their use in hydrogen storage. These nanoparticles are insoluble in water and most organic solvents. Their high surface area and reactivity make them prone to oxidation, necessitating storage under inert atmospheres like argon. The pyrophoric nature of fine powders requires strict safety protocols during handling and processing.
Main Applications
The primary use of TiH2 nanoparticles is in hydrogen storage systems, where their high hydrogen capacity and moderate decomposition temperature are advantageous. They are also used as foaming agents in metallurgy, creating lightweight metal foams for aerospace and automotive industries. In pyrotechnics, TiH2 nanoparticles serve as a high-energy additive due to their rapid hydrogen release. Additionally, they are employed in powder metallurgy to improve sintering processes and in catalysis for certain chemical reactions.
Safety and Storage
TiH2 nanoparticles pose significant safety risks due to their flammability and reactivity with moisture or oxygen. Proper storage involves sealed containers under inert gas, such as argon, and away from ignition sources. Handling should be conducted in glove boxes or fume hoods with appropriate personal protective equipment (PPE), including gloves and face shields. Spills must be addressed immediately using inert materials like sand, avoiding water or conventional fire extinguishers.
B2B Procurement Guide
When procuring TiH2 nanoparticles, prioritize suppliers with certifications for nanomaterial handling and detailed safety data sheets (SDS). Key specifications include particle size distribution (e.g., 20-100 nm), hydrogen content, and purity levels (typically 95-99%). Bulk pricing often applies for orders above 1 kg, with costs ranging from $200 to $500 per kg. Ensure the supplier provides proper packaging, such as argon-filled sealed bags, to prevent oxidation during transit. Request samples for quality testing before large-scale purchases.
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