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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Energy & Green Tech
Researchers in Sweden unveiled a new concept for producing hydrogen energy more efficiently, splitting water into oxygen and hydrogen without the dangerous risk of mixing the two gases.
Mar 6, 2024
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231
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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Engineering
University of Waterloo engineers have invented a powerful antenna small enough to fit in a ring and capable of transmitting critical medical data to health care workers and individual patients.
Mar 4, 2024
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7
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
A multi-institutional team of Chinese engineers has developed a proof-of-concept calcium-based battery that withstands 700 charge cycles at room temperature. In their paper published in the journal Nature, the group describes ...
Energy & Green Tech
One of the grand challenges for materials science is the design and discovery of new materials that address global priorities such as Net Zero.
Feb 15, 2024
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111
Energy & Green Tech
Lithium-metal batteries, which contain anodes based on metallic lithium, are promising rechargeable batteries that could help to meet the growing demands of the electronics industry. These batteries have various advantages, ...
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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