Most existing lithium-ion batteries (LIBs) integrate graphite anodes, which have a capacity of approximately 350 milliamp hours (mAh) per gram. The capacity of silicon anodes is almost 10 times higher than that of their graphite ...
Improvements to a class of battery electrolyte first introduced in 2017—liquefied gas electrolytes—could pave the way to a high-impact and long-sought advance for rechargeable batteries: replacing the graphite anode with ...
Materials Science
Jul 1, 2019
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(Phys.org) -- Researchers at Rice University and Lockheed Martin reported this month that they've found a way to make multiple high-performance anodes from a single silicon wafer. The process uses simple silicon to replace ...
Materials Science
Jul 16, 2012
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A new high-performance anode structure based on silicon-carbon nanocomposite materials could significantly improve the performance of lithium-ion batteries used in a wide range of applications from hybrid vehicles to portable ...
Nanomaterials
Mar 15, 2010
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(PhysOrg.com) -- Part of the headache of having to constantly recharge batteries is not just how often they need to be charged, but also the time it takes to charge them. In a new study, researchers have proposed a charging ...
(PhysOrg.com) -- Researchers have found that by replacing conventional graphite electrodes with silicon nanotube electrodes, lithium-ion batteries can store 10 times more charge.
A study of Li-metal batteries by the research team led by Dr. Byung Gon Kim at Next-Generation Battery Research Center of Korea Electrotechnology Research Institute (KERI) was published as a cover paper in the international ...
Nanomaterials
Aug 29, 2022
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Lithium-ion batteries (LIBs), known for their longevity, excellent charge storage characteristics, high energy density, and high operating voltage, have become the cornerstone of portable electronics, electronic vehicles, ...
Materials Science
Feb 25, 2022
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(Phys.org) -- For more than a decade, scientists have tried to improve lithium-based batteries by replacing the graphite in one terminal with silicon, which can store 10 times more charge. But after just a few charge/discharge ...
Nanophysics
May 11, 2012
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(PhysOrg.com) -- One promising modification to next-generation rechargeable Li-ion batteries involves using Si-alloy anodes instead of graphite, which is currently the most common anode material. Many battery manufacturers ...
