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Georgia Tech team develops melt-infiltration technique for scalable production of solid-state batteries

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A new fabrication technique could allow all-solid-state automotive lithium-ion batteries (ASSLBs) to adopt nonflammable ceramic electrolytes using the same production processes as in batteries made with conventional liquid electrolytes. —Professor Gleb Yushin, corresponding author. —Kostiantyn Turcheniuk, co-author.

Georgia 312
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Georgia Tech team develops simple, low-cost process for oxide nanowires; superior separators for Li-ion batteries

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Researchers at Georgia Tech have developed a simple technique for producing oxide nanowires directly from bulk materials under ambient conditions without the use of catalysts or any external stimuli. Fabricated separators based on aluminum oxide nanowires enhanced the safety and rate capabilities of lithium-ion batteries.

Low Cost 150
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Georgia Tech team develops conversion-type iron-fluoride Li battery cathode with solid polymer electrolyte

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Researchers at Georgia Tech have developed a promising new conversion-type cathode and electrolyte system that replaces expensive metals and traditional liquid electrolyte with lower cost transition metal fluorides and a solid polymer electrolyte. A paper on their work is published in the journal Nature Materials. —Huang et al.

Polymer 230
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ARPA-E announces $98M in funding for 40 OPEN projects; two opposed-piston engines projects receive $10M total

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Georgia Tech Research Corporation. Georgia Tech will develop a new approach to internally cool permanent magnet motors. Ecolectro is developing alkaline exchange ionomers (AEIs) to enable low-cost fuel cell and electrolyzer technologies. Lawrence Berkeley National Laboratory. Los Alamos National Laboratory.

Engine 247
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XG Sciences launches graphene-stabilized silicon anode materials for Li-ion batteries

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Two of the company’s strategic partners, POSCO and Hanwha Chemical, already manufacture electrode materials for lithium-ion batteries, noted Mike Knox, XGS CEO. XGS is also working with development partners such as Georgia Tech, several large battery manufacturers, and several of the US National Laboratories, Knox said.

Li-ion 268
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New Self-Assembled Silicon-Carbon Nanocomposite Anodes for Li-ion Batteries Offer More Than 5X The Reversible Capacity of Graphite Anodes

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Source: Georgia Tech. Researchers have developed a new high-performance anode structure for lithium-ion batteries based on silicon-carbon nanocomposite materials. This is a significant step toward commercial production of silicon-based anode materials for lithium-ion batteries. Click to enlarge. Click to enlarge.

Li-ion 186
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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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of Georgia). The critical barrier to wider deployment of electric vehicles is the high cost and low energy of today’s batteries. This ARPA-E program seeks to develop a new generation of ultra-high energy density, low-cost battery technologies for long range plug-in hybrid and all-electric vehicles. 4,025,373.

Carbon 249