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Materials Reported to Improve Battery Charger Connector Wear
Xtalic materials on EV connector pins show no wear-through over 10,000 mating cycles (Photo: Business Wire)
Xtalic brings nano-scale metal alloys and coatings to electric vehicle market
MARLBOROUGH, Mass.–Xtalic Corporation, a developer of nano-scale metal alloys and coatings aimed at solving customers' mission-critical materials problems, has entered the electric vehicle market with products that are reported to extend the life of connectors in electric battery chargers by up to 40 times.
"As more electric-powered vehicles take to the highways, the life expectancy of their battery charging interfaces is becoming critical," said Tom Clay, Xtalic's chief executive officer, in a press release. "Extending the lifecycle of the charger's connector contacts has become an important customer satisfaction issue for electric vehicle manufacturers."
Xtalic has applied its XTRONIC® and LUNA® nanostructured alloys to lengthen the service life of electric vehicle charger connectors. Traditional connector contacts employ a silver-over-nickel-over-copper construction that wears through after 250 charge cycles. Xtalic replaces these layers with its materials to significantly enhance the connectors' hardness, durability, and corrosion resistance. The Xtalic alloys have achieved up to 10,000 charge cycles in high normal force applications, the company said.
Xtalic products are said to operate at 150° C or higher – temperatures that may cause conventional materials to lose critical properties required for safe operation. All Xtalic materials are reported to be stable at high temperatures due to a carefully engineered crystal structure.
Xtalic said that connector companies and OEMs are currently testing and qualifying its materials, and the company expects to see them incorporated in the next generation of electric vehicles.
Xtalic is also developing XTALIUMTM, a nanostructured aluminum alloy, to help improve range and performance in the electric vehicle market. Xtalium is described as a durable, corrosion-resistant coating that enables the use of low-cost, lightweight magnesium alloy for automotive components. The magnesium parts weigh less than aluminum, and when coated with Xtalium alloy, they have substantial corrosion protection. Xtalium is also said to increase the corrosion resistance and performance of rare earth magnets.
Xtalic (www.xtalic.com), founded by the head of the Department of Material Science and Engineering at the Massachusetts Institute of Technology, said that it uses technology based on a fundamental scientific shift in material science. The company uses its proprietary toolkit to design and patent stable nanostructured materials and is reported to have "commercialized products with 30 leading electronics firms." Its Dynamic Nanostructure Control® process is said to supercharge "relatively benign and widely available materials to break through customers' most demanding requirements for hardness, strength, corrosion resistance, and durability."
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