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Stanford team develops new approach to overcoming capacity fading in Lithium-sulfur batteries

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Electrochemical performance of the modified hollow carbon nanofiber cathode. (a) a) Specific capacities of the PVP modified sulfur cathode at C/5, C/2 and 1C cycling rates. (b) Lithium sulfur batteries are of great interest due to their high specific energy and relatively low cost (e.g., Credit: ACS, Zheng et al.

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Progress with Lithium-sulfur battery technology

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Researchers from Hanyang University in Korea and the University of Rome Sapienza (Italy) have developed a lithium-sulfur battery employing a high-performance mesoporous hard carbon spherules-sulfur cathode and a stable, highly conducting electrolyte. 2012), An Advanced Lithium-Sulfur Battery.

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MIT: hybrid cathodes could boost energy capacity of lithium-sulfur batteries

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The relationship between cathode porosity and predicted cathode-specific volumetric energy density e v (a) and gravimetric energy density e g (b) of the hybrid Mo 6 S 8 /S 8 cathode with all carbon included (HMSC) and C/S 8 cathode with different C/S 8 and Mo 6 S 8 /S 8 ratios. The net effect of using the new material is substantial.

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Cornell spin-off lithium-sulfur battery company NOHMs to locate in Lexington, KY

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Kentucky Governor Steve Beshear announced that start-up lithium-sulfur battery company NOHMs (Nano Organic Hybrid Materials) Technologies Inc. has selected to locate its research, manufacturing and product development facility for military, cell phone and electric vehicle lithium-ion batteries in Lexington.

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ORNL team demonstrates high-performance lithium-sulfur battery with nitrogen-doped carbon/sulfur cathode and ionic liquid electrolyte

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Researchers at Oak Ridge National Laboratory have developed a high-performance lithium-sulfur battery using. nitrogen-doped mesoporous carbon (NC) and sulfur to prepare a composite cathode and an ionic-liquid electrolyte of 0.5?m Their study is published in the journal ChemSusChem. —Sun et al. and Dai, S.

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Silica-based cathode enables long-life Li-S batteries

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Scientists from the Daegu Gyeongbuk Institute of Science and Technology, Korea, have developed a novel silica-based cathode for lithiumsulfur batteries, thereby enabling the realization of batteries that can last for more than 2,000 charge/discharge cycles. However, using sulfur in batteries is tricky for two reasons.

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HZB team devises new Ti4O7 cathode material for Lithium-sulfur batteries

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Researchers at the Helmholtz-Zentrum Berlin für Materialien und Energie (HZB), with colleagues from Humboldt-Universität zu Berlin and University of Potsdam, have fabricated a nanomaterial made from nanoparticles of a titanium oxide compound (Ti 4 O 7 ) for use as a cathode material in lithium-sulfur batteries. Credit: HZB.