A team of researchers led by chemists at the US Department of Energy’s (DOE) Brookhaven National Laboratory has shown that using an appropriate amount of lithium difluorophosphate in a common commercial electrolyte enables stable cycling of nickel-rich layered cathode materials with an ultra-high cut-off voltage of 4.8 V. A paper on.
A team of researchers led by chemists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has learned that an electrolyte additive allows stable high-voltage cycling of nickel-rich layered cathodes. Their work could lead to improvements in the energy density of lithium batteries that power electric vehicles.
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IMAGE: Brookhaven chemists Enyuan Hu (left, lead author) and Zulipiya Shadike (right, first author) are shown holding a model of 1,2-dimethoxyethane, a solvent for lithium metal battery electrolytes. view more
Credit: Brookhaven National Laboratory
UPTON, NY A team of researchers led by chemists at the U.S. Department of Energy s (DOE) Brookhaven National Laboratory has identified new details of the reaction mechanism that takes place in batteries with lithium metal anodes. The findings, published today in
Nature Nanotechnology, are a major step towards developing smaller, lighter, and less expensive batteries for electric vehicles.
Recreating lithium metal anodes
Conventional lithium-ion batteries can be found in a variety of electronics, from smartphones to electric vehicles. While lithium-ion batteries have enabled the widespread use of many technologies, they still face challenges in powering electric vehicles over long distances.