rechargeable batteries tagged posts

Scientists Convert Waste Paper into Battery Parts for Smartphones and Electric Vehicles

Scientists convert waste paper into battery parts for smartphones and electric vehicles
Graphical abstract. Credit: Additive Manufacturing (2022). DOI: 10.1016/j.addma.2022.102992

Scientists from Nanyang Technological University, Singapore (NTU Singapore) have developed a technique to convert waste paper, from single-use packaging and bags, and cardboard boxes, into a crucial component of lithium-ion batteries.

Through a process called carbonization which converts paper into pure carbon, the NTU researchers turned the paper’s fibers into electrodes, which can be made into rechargeable batteries that power mobile phones, medical equipment, and electric vehicles.

To carbonize the paper, the team exposed the paper to high temperatures, which reduces it to pure carbon, water vapor and oils that can be used for biofuel...

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Sodium-based Material Yields Stable Alternative to Lithium-ion Batteries

Scientists at the University of Texas at Austin have developed a new sodium metal anode for rechargeable batteries (left) that resists the formation of dendrites, a common problem with standard sodium metal anodes (right) that can lead to shorting and fires. Images were taken with a scanning electron microscope. Credit: Yixian Wang/University of Texas at Austin.

University of Texas at Austin researchers have created a new sodium-based battery material that is highly stable, capable of recharging as quickly as a traditional lithium-ion battery and able to pave the way toward delivering more energy than current battery technologies.

For about a decade, scientists and engineers have been developing sodium batteries, which replace both lithium and cobalt used in current lithium-ion batt...

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New Batteries give Jolt to Renewables, Energy Storage

This magnified image shows aluminum deposited on carbon fibers in a battery electrode. The chemical bond makes the electrode thicker and its kinetics faster, resulting in a rechargeable battery that is safer, less expensive and more sustainable than lithium-ion batteries.

Researchers have been exploring the use of low-cost materials to create rechargeable batteries that will make energy storage more affordable. Now, they have shown that a new technique incorporating aluminum results in rechargeable batteries that offer up to 10,000 error-free cycles.

The cost of harvesting solar energy has dropped so much in recent years that it’s giving traditional energy sources a run for their money...

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Next Leap in Rechargeable Batteries

Looking for the next leap in rechargeable batteries

Lithium-sulfur battery with Mixed Conduction Membrane barrier to stop polysulfide shuttling. Credit: Sri Narayan and Derek Moy

USC researchers may have just found a solution for one of the biggest stumbling blocks to the next wave of rechargeable batteries—small enough for cellphones and powerful enough for cars. In a paper published in the January issue of the Journal of the Electrochemical Society, Sri Narayan and Derek Moy of the USC Loker Hydrocarbon Research Institute outline how they developed an alteration to the lithium-sulfur battery that could make it more than competitive with the industry standard lithium-ion battery.

The lithium-sulfur battery, long thought to be better at energy storage capacity than its more popular lithium-ion counterpart, was hampered by its short cycle ...

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