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UMD, Army Researchers design new electrolyte enabling high energy density rechargeable Mg and Ca batteries

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Rechargeable magnesium and calcium metal batteries (RMBs and RCBs) are promising alternatives to lithium-ion batteries because of the high crustal abundance and capacity of magnesium and calcium. This work provides a versatile electrolyte design strategy for divalent metal batteries. —Hou et al.

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Maryland city deploys BYD electric Class 6 refuse truck

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Hyattsville, Maryland, is deploying a BYD 6R Class 6 electric refuse truck, one of several fully-electric or hybrid vehicles in the City’s fleet, and the first commercially deployed Class 6 refuse truck in the country, according to BYD. The BYD 6R is capable of working an entire shift without recharging.

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ARPA-E awards $42M to 12 projects for advanced EV batteries; EVs4ALL program

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The US Department of Energy (DOE) will award $42 million to 12 projects to strengthen the domestic supply chain for advanced batteries that power electric vehicles (EVs). Project K is developing and commercializing a potassium-ion battery, which operates similarly to Li-ion batteries. Award amount: $3,198,085).

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U Maryland team devises new method to stabilize high-capacity Si anodes for Li-ion batteries: interfacial oxygen

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Researchers at the University of Maryland have improved the cycle life of silicon/carbon matrix-composite electrodes by 300%, even at mass loadings, solely by the chemical tailoring of the interface between the silicon and the carbon with atomic oxygen. 10 times that of graphite anodes used in lithium ion batteries. Batteries'

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Chevrolet to begin selling Spark EV in Maryland

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Chevrolet will start selling the Spark EV in Maryland this spring, the electric mini-car’s first entry into the East Coast market. Three available levels of recharging capability include the industry’s first use of the recently approved SAE combo charger for DC fast charging, which charges 80% of the battery in just 20 minutes.

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NREL-led team overcomes major technical obstacle in Mg-metal batteries by developing artificial solid-electrolyte interphase

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Magnesium offers a number of advantages over lithium for rechargeable batteries: it is safer and earth-abundant, and doubles the total charge per ion, delivering larger theoretical volumetric capacity compared with a typical lithium-ion battery. Further, in Mg batteries (MB) the anode is energy-dense Mg metal (~?3,830

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Iron triflouride could make better electric-car batteries

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Researchers at the University of Maryland, in conjunction with Brookhaven National Laboratory have developed a new battery cathode material that they say could triple the energy density of lithium-ion batteries.