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

Green Car Congress

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. Electrochemical performance of Li||NMC811 half-cells using different electrolytes. (a)

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

Green Car Congress

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. . … —Lu et al.

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Researchers achieve super-safe, ultrafast Li-ion battery charging

Electrek

In a significant advancement for EV technology, researchers at Chung-Ang University in South Korea have made a breakthrough in lithium-ion (Li-ion) battery charging times and safety.

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Direct electro-oxidation method for lithium leaching from spent ternary Li-ion batteries

Green Car Congress

Researchers from Nanchang Hangkong University in China have developed a direct electro-oxidation method for lithium leaching from spent ternary lithium-ion batteries (T-LIBs) (Li 0.8 In a paper in the ACS journal Environmental Science & Technology they report that 95.02% of Li in the spent T-LIBs was leached under 2.5

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Researchers convert spent asphalt to mesoporous carbon anode material for Li/Na/K-ion batteries

Green Car Congress

Researchers at Changsha University of Science & Technology in China have used spent asphalt to produce a high-performance universal Li/Na/K-ion anode material. As an anode material for Li-ion batteries, the mesoporous carbon exhibits a reversible capability of 674.2 —Xie et al. 2021.230593.

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Argonne researchers identify another reason why fast-charging degrades the performance of Li-ion batteries

Green Car Congress

A new study by researchers from Argonne National Laboratory and the University of Illinois Urbana-Champaign seeking to identify the reasons that cause the performance of fast-charged lithium-ion batteries to degrade in EVs has found interesting chemical behavior of the anode as the battery is charged and discharged.

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WPI-led team develops dry-print process to make better, cheaper electrodes for Li-ion batteries

Green Car Congress

A team led by Worcester Polytechnic Institute (WPI) researcher Yan Wang has developed a solvent-free process to manufacture lithium-ion battery electrodes that are greener, cheaper, and charge faster than electrodes currently on the market. WPI has filed a patent application on the manufacturing technology developed by Wang’s team.

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