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US DOE releases 2023 Critical Materials Assessment to evaluate supply chain security for clean energy technologies

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While cobalt (Co) was found to be critical in this and previous reports, lithium (Li) becomes critical in the medium term due to its broader use in various battery chemistries and the rampant growth of the EV industry. Natural graphite is a new addition in this assessment and is also found to be critical.

Clean 370
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Stanford researchers develop new electrolysis system to split seawater into hydrogen and oxygen

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A Stanford-led team has developed a new electrolysis system to split seawater in hydrogen and oxygen. Hongjie Dai and his research lab at Stanford University have developed a prototype that can generate hydrogen fuel from seawater. Electrolysis of water to generate hydrogen fuel is an attractive renewable energy storage technology.

Hydrogen 249
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GWU team demonstrates relatively efficient electrochemical process for low-GHG production of ammonia

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A team at George Washington University led by Stuart Licht has developed a relatively efficient electrochemical process for the production of ammonia from water and nitrogen, without the need for an independent hydrogenation step (and thus the associated carbon-intensive steam reforming of methane as the hydrogen source).

Ni-Li 218
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Researchers synthesize diesel- and jet-range cycloalkanes from lignocellulosic platform compounds

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C 15 branched alkanes and cycloalkanes with relatively higher density from 2-Methylfuran (2-MF) and cyclopentanone (CPO)—selective hydrogenation products of furfural, which can be produced in industrial scale with lignocellulose. —Li et al.

Diesel 218
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RIKEN team develops high-performance lithium-iodine battery system with higher energy density than conventional Li-ion

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The working concept of I3 – /I – redox reaction in the aqueous Li-I 2 battery. A team from Japan’s RIKEN, led by Hye Ryung Byon, has developed a lithium-iodine (Li-I 2 ) battery system with a significantly higher energy density than conventional lithium-ion batteries. Schematic illustration of the aqueous Li-I 2 battery.

Li-ion 255
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GWU team demonstrates one-pot process for optimized synthesis of controlled CNTs from CO2; coupling cement and C2CNT

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Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes). Molten carbonate electrosynthesized boron-doped CNTs exhibit high electrical conductivity. —Ren et al. Licht (2017).

CO2 150
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Researchers develop non-flammable fluorinated electrolyte for Li-metal anodes with aggressive cathode chemistries; toward a 500 Wh/kg goal

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Researchers at the University of Maryland (UMD), the US Army Research Laboratory (ARL), and Argonne National Laboratory (ANL) have developed a non-flammable fluorinated electrolyte that supports the most aggressive and high-voltage cathodes in a Li-metal battery. Li metal offers one of the highest specific capacities (3,860 mAh g ?1

Ni-Li 186