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Researchers develop MOF membrane coating to prolong lithium–sulfur battery life

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Although rechargeable lithiumsulfur (Li–S) batteries promise high energy density storage—particularly attractive for electric vehicle applications—the technology is currently limited by the shuttling polysulfides between the battery’s electrodes. —Suriyakumar et al. Shruti Suriyakumar, A.

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GM researchers demonstrate hierarchical electrode architectures for high energy lithium-chalcogen rechargeable batteries

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Lithium-chalcogen batteries—e.g., lithium-sulfur (Li-S) and lithium selenium (Li-Se) systems— are promising candidates for high energy electrical storage solution. A paper on their work is published in the journal Nano Energy. Scheme of SPC synthesis route. 2018.07.015.

Recharge 259
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OXIS Energy and Lithium Balance partner on Li-sulfur battery system for China e-scooter market; targeting spring 2018

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Li-sulfur battery developer OXIS Energy UK ( earlier post ) and Lithium Balance of Denmark are partnering to build a prototype Lithium-sulfur battery system primarily for the e-scooter market in China. This could not be achieved with an ordinary Lithium-Ion BMS. —Lars Barkler,Lithium Balance CEO.

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China team uses LiPON coating to protect Li metal anode in Li-S batteries

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A team of researchers in China has devised a simple and mass-produceable method to modify a Li metal anode to avoid the formation of an unstable solid electrolyte interphase (SEI) and the subsequent growth of Li dendrites in high-energy-density Li-S batteries. A paper on their work is published in the journal Energy Storage Materials.

China 249
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UT Dallas researchers use 2D MoS2 as protective layer for Li-metal anodes in Li-S batteries; extended cycle life

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For a Li–S full-cell configuration, using the MoS 2 -coated Li as anode and a 3D carbon nanotube–sulfur cathode, they reported obtain a specific energy density of ~589?Wh?kg This approach, they suggested, could lead to the realization of high energy density and safe Li-metal-based batteries. C for 1,200 cycles. 1 and 295 W kg ?1

Dallas 207
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RPI researchers use self-heating technique to anneal and eliminate lithium dendrites; self-healing anode

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Researchers at Rensselaer have developed a new technique using heat to enable self-healing lithium-metal anodes to eliminate dangerous dendrite buildup, paving the way for higher energy density battery technologies. The RPI researchers first demonstrated this smoothening (healing) of the dendrites in a lithium-lithium symmetrical cell.

Li-ion 210