Tantalum Wire Specifically Designed For The Energy Sector
Tantalum wire designed specifically for the energy industry is a high-performance material primarily used to meet the strict requirements of high conductivity, high temperature resistance, and corrosion resistance in the energy sector. Its excellent physical and chemical properties have become an important material choice for the energy industry. It exhibits excellent performance in electrical applications such as batteries, capacitors, nuclear power, and high-temperature environments. Its high melting point, good conductivity, and stable chemical properties make it an indispensable key material in energy equipment.
Description
Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. supplies high-quality rare metals, mainly including niobium hafnium alloy 103, tungsten, tantalum, niobium, hafnium, titanium, zirconium, nickel, vanadium and alloys of conventional processed profiles such as plates, strips, coils, rods, wires, pipes, as well as deep processed products such as ships, crucibles, sputtering targets, coating targets, machined parts, high-temperature furnace insulation screens, heating elements, furnace bodies (heating furnaces, annealing furnaces), corrosion-resistant equipment, etc.
As a manufacturer, supplier, and exporter of tantalum, we provide high-purity, high-temperature resistant, corrosion-resistant, aerospace, defense, military, and marine engineering specialized products with worry free quality and more favorable prices! Customer service is always online, so you have no worries.
Extreme environmental tolerance and surface passivation ability
Tantalum has good radiation resistance in nuclear radiation environments and is suitable for nuclear power generation and nuclear waste treatment equipment.
Tantalum exhibits chemical inertness in high temperature and corrosive environments, and can work stably for a long time
Tantalum is not easily oxidized at high temperatures and is suitable for component manufacturing in high-temperature environments.
Tantalum wire, as the core material of energy technology, exhibits irreplaceability in extreme environments due to its ultra-high melting point of 2996 ℃ and low resistivity of 13.5 Ω· cm. Its body centered cubic crystal structure endows the material with excellent creep resistance, and it can maintain a plastic deformation rate of less than 0.2% at high temperatures of 2000 ℃, making it the preferred material for nuclear fusion devices and hydrogen energy equipment.
The dense oxide film (Ta ₂ O ₅) formed on its surface can resist the corrosion of 98% concentrated sulfuric acid and 40% hydrofluoric acid. In the electrolytic water hydrogen production environment, its hydrogen permeability coefficient is as low as 10 ⁻¹ ² mol/(m · s · Pa), which is 6 orders of magnitude lower than 316L stainless steel. According to experimental data from ThyssenKrupp in Germany, PEM electrolysis cells using tantalum wire cathodes maintained a current efficiency of over 92% after 2000 hours of continuous operation.
In the International Thermonuclear Experimental Reactor (ITER) project, the tantalum wire woven divertor component successfully withstood a thermal load test of 10MW/m ². The tantalum tungsten composite wire (with a Ta content of 70%) used in China's CFETR device has an anti neutron irradiation performance that extends the component life to 8000 hours, which is 60% higher than graphite materials, providing a key solution for the construction of commercial fusion reactors.
The tantalum wire enhanced electrolytic cell developed by Norwegian Nel company achieves a current density of 3A/cm ² at a pressure of 2MPa, reducing energy consumption to 4.1kWh/Nm ³. In Toyota's hydrogen fuel cell stack, 0.1mm ultrafine tantalum wire is used as the gas diffusion layer support, which increases the power density of the cell to 5.0kW/L, which is 35% higher than the traditional titanium wire scheme.
The QuantumScape solid-state battery in the United States uses a 10 μ m tantalum wire current collector, and the Ta ₂ O ₅ layer generated on its surface effectively inhibits lithium dendrite growth, achieving a capacity retention rate of>85% after 1000 cycles. The tantalum wire carbon nanotube composite electrode developed by CATL in China has enabled the battery energy density to exceed 500Wh/kg, which is twice as high as traditional lithium-ion batteries.
According to the International Tantalum Niobium Research Center (TIC), the demand for tantalum wire for energy will expand at an average annual growth rate of 14% from 2025 to 2030, with the hydrogen energy sector accounting for over 40%. The Ta Hf composite wire (Hf content 8%) developed by Hitachi Metals in Japan has achieved a temperature resistance breakthrough of 2500 ℃ and is expected to be applied to fusion demonstration reactors in 2026. With the acceleration of global energy transition, tantalum wire is becoming a key link connecting clean energy technologies.
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