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New self-purifying electrolyte for high-energy Li-ion batteries

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A research team in China has developed a new type of electrolyte for high-energy Li-ion batteries with a self-purifying feature that opens a promising approach for electrolyte engineering for next-generation high-energy Li-ion batteries. —Lu et al.

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Researchers use carbon-based anodes with “bumpy” surfaces for Li-ion batteries that last longer in extreme cold

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the key to addressing the low-temperature capacity loss lies in adjusting the surface electron configurations of the carbon anode to reinforce the coordinate interaction between the solvated Li + and adsorption sites for Li + desolvation and reduce the activation energy of the charge-transfer process. . …

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New high-voltage electrolyte additive supports high energy density and stability in LMNC Li-ion battery; 2x energy density over LiCoO2

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A team led by researchers at Chungnam National University (S. Korea) has developed a novel high-voltage electrolyte additive, di-(2,2,2 trifluoroethyl)carbonate (DFDEC), for use with the promising lithium-rich layered composite oxide high-energy cathode material xLi 2 MnO 3 ·(1-x)LiMO 2 (M = Mn, Ni, Co). O 2 (Li 1.2 O 2 (Li 1.2

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Stanford scientists identify new Li-B-S solid electrolyte materials that boost lithium-ion battery performance

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Stanford University scientists have identified a new solid-state Li-ion electrolyte predicted to exhibit simultaneously fast ionic conductivity, wide electrochemical stability, low cost, and low mass density. sulfur (Li?B?S) 1 in Li 5 B 7 S 13 and 80 (?56, 1 in Li 9 B 19 S 33. V for Li 5 B 7 S 13 , 0.16

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Amprius launches new high-capacity and high-energy-density Li-ion batteries with silicon nanowire anodes

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a developer of lithium-ion batteries using silicon nanowire anodes ( earlier post ), has launched the first generation of its high-capacity and high-energy-density Li-ion batteries. Amprius’ technology was initially developed at Professor Yi Cui’s laboratory at Stanford University ( earlier post ); Prof.

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Study shows paper-folding concepts can compact a Li-ion battery and increase its areal energy density

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Researchers at Arizona State University have shown that paper-folding concepts can be applied to Li-ion batteries in order to realize a device with higher areal energy densities. Recently, there has been much interest in the development of electronic and energy storage devices using paper and textile components.

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Researchers at Rice University develop vanadium oxide-graphene materials for high power-density Li-ion batteries with ultrafast charging and discharging

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A team from Rice University has developed vanadium oxide (VO 2 )-graphene ribbon materials that, when used as cathode materials in Li-ion batteries, enable ultrafast, “ supercapacitor-like ” charge and discharge rates with long cycle life while maintaining highly reversible capacity. Credit: ACS, Yang et al. Click to enlarge.

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