Energy & Green Tech
Researchers from Hunan University have designed a layered oxide cathode for rechargeable lithium-ion batteries that achieves fast-charging performance, long life, and high safety using only an ultra-low amount of cobalt. ...
Jul 2, 2024
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5
Energy & Green Tech
Researchers have developed a new technique to solve the problem of how to increase the capacity of sodium-ion batteries.
Jun 19, 2024
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23
Energy & Green Tech
A green industrial future for Europe may depend on an element that is part of a household staple: table salt. Dr. John Abou-Rjeily, a researcher at Tiamat Energy in France, is using sodium to develop rechargeable batteries. ...
Apr 25, 2024
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Engineering
If you've looked in your utility drawer lately, you may have noticed the various shapes, sizes and types of batteries that power your electronic devices. First, there are the round, non-rechargeable button cells for your ...
Apr 8, 2024
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23
Engineering
Rechargeable batteries are great for storing energy and powering electronics from smartphones to electric vehicles. In cold environments, however, they can be more difficult to charge and may even catch on fire.
Mar 6, 2024
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1
Energy & Green Tech
In our technologically dependent society, the mobility, dependability, and safety of our devices—including phones and laptops—are critical. Just as important is our ability to easily charge and recharge these devices ...
Feb 27, 2024
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1
Energy & Green Tech
In a newly published study in Nature Sustainability, we describe our design for a self-extinguishing rechargeable battery. It replaces the most commonly used electrolyte, which is highly combustible—a medium composed of ...
Feb 6, 2024
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54
Energy & Green Tech
In the switch to "greener" energy sources, the demand for rechargeable lithium-ion batteries is surging. However, their cathodes typically contain cobalt—a metal whose extraction has high environmental and societal costs. ...
Jan 18, 2024
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88
Energy & Green Tech
While the lithium-ion batteries in disposable electronic cigarettes are discarded after a single use, they can continue to perform at high capacity for hundreds of cycles, according to a study published December 12 in the ...
Dec 12, 2023
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18
Energy & Green Tech
The Empa research group led by Maksym Kovalenko is researching innovative materials for the batteries of tomorrow. Whether it's fast-charging electric cars or low-cost stationary storage, there's a promising material or a ...
Nov 7, 2023
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