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Vanderbilt researchers find iron pyrite quantum dots boost performance of sodium-ion and Li-ion batteries

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nm, average) of iron pyrite (FeS 2 ) nanoparticles are advantageous to sustain reversible conversion reactions in sodium ion and lithium ion batteries. FeS 2 is particularly attractive for energy storage technology due to its earth abundance, low toxicity, and low raw material cost. …

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Purdue team uses pollen grains as basis for carbon architectures for Li-ion anodes

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A team at Purdue University has used pollens as the basis for carbon architectures for anodes in energy storage devices. Currently, Li-ion batteries generally use graphite as the anode material, with a theoretical capacity of 372 mAh/g and excellent capacity retention over extended cycling. —Vilas Pol.

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Leyden Energy providing Li-ion cells with imide electrolyte for electric Dream Car

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Li-ion battery manufacturer Leyden Energy provided its high energy-density, high-performance Li-ion battery cells for SSI Racing’s electric Dream Car at the annual Toyota Grand Prix of Long Beach. Li-Ion battery has 2,200 mAh capacity with a cycle life of more than 1,000 charge/discharge cycles.

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FreeWire Technologies raises $125M in Series D; battery-integrated ultrafast EV charging stations

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FreeWire Technologies, a developer of ultrafast electric vehicle (EV) charging and energy management solutions, raised $125 million in new capital. The financing consists of a Senior Convertible Note provided exclusively by funds and accounts managed by BlackRock Financial Management, Inc.

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Lishen and ZAP in strategic alliance; funding for several thousand EV conversions in US

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Z-Smart is being incorporated into these fleet vehicles to improve performance, safety and efficiency of the converted vehicles and to provide convenient mobile communication to the driver on the charge levels and recharging status.

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Researchers propose reason for capacity loss in metal-oxide battery materials

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Because of their high energy-storage density, materials such as metal oxides, sulfides, and fluorides are promising electrode materials for lithium-ion batteries in electric vehicles and other technologies. Magnetite, among other conversion-type electrode materials (i.e., However, their capacity fades very rapidly.

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MITEI study finds hydrogen-generated electricity is a cost-competitive candidate for backing up wind and solar

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In a paper published in the journal Applied Energy , they report devising a methodology to estimate the levelized cost of energy (LCOE) of meeting the seasonal nature of variable renewable energy (VRE) resources with either a hydrogen-fired gas turbine (HFGT) or lithium-ion battery system (LI). —Emre Gençer.

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