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Researchers find tin nanoparticles promising electrode material for sodium-ion batteries

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Tin (Sn) shows promise as a robust electrode material for rechargeable sodium-ion (Na-ion) batteries, according to a new study by a team from the University of Pittsburgh and Sandia National Laboratory. Rechargeable Na-ion batteries work on the same basic principle as Li-ion batteries—i.e., for the positive electrode.

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Researchers show that layered calcium transition metal oxides can be promising cathode materials for Ca-ion batteries

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Out of several candidates that could replace Li in rechargeable batteries, calcium (Ca) stands out as a promising metal. Not only is Ca 10,000 times more abundant than Li, but it can also yield—in theory—similar battery performance. Haesun Park, Chung-Ang University, co-corresponding author. —Prof.

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ARPA-E awarding $39M to 16 projects to grow the domestic critical minerals supply chain

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The selected projects, led by universities, national laboratories, and the private sector aim to develop commercially scalable technologies that will enable greater domestic supplies of copper, nickel, lithium, cobalt, rare earth elements, and other critical elements. Feedstocks will include Li/Ni/Ca/Mg-rich igneous and sedimentary minerals.

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Faradion demonstrates proof-of-concept sodium-ion electric bike

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British battery R&D company Faradion has demonstrated a proof-of-concept electric bike powered by sodium-ion batteries at the headquarters of Williams Advanced Engineering, which collaborated in the development of the bike. Oxford University was also a partner. Sodium-ion intercalation batteries—i.e., Earlier post.)

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NETL investigating researching chemistries for large-scale battery- and supercapacitor-based grid energy storage systems

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This includes research on appropriate anodes, cathodes, and electrolytes for magnesium (Mg)-, sodium (Na)-, and lithium (Li)-based batteries and novel transition metal oxide- and nitride-based supercapacitor electrode materials. Magnesium is much more abundant in the Earth’s crust, making it less expensive than Li by a factor of 24.

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High-capacity GQD-coated VO2 nanoarray electrodes for high-performance Li- and Na-ion batteries

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Researchers from Nanyang Technical University (NTU) in Singapore have shown high-capacity, high-rate, and durable lithium- and sodium-ion battery (LIB and NIB) performance using single-crystalline long-range-ordered bilayered VO 2 nanoarray electrodes. The VO 2 nanoarrays are supported on graphene foam (GF) and coated with a thin (?2

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New direct borohydride fuel cell increases peak power density by factor of 1.7–3.7

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Researchers at Xi’an Jiaotong University in China have developed a new direct borohydride fuel cell (DBFC) that shows a peak power density of 663 mW·cm -2 at 65 °C (149 °F)—an increase in power density by a factor of 1.7 Xiaodong Yang, Yongning Liu, Sai Li, Xiaozhu Wei, Li Wang & Yuanzhen Chen (2012).

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