Energy & Green Tech
It doesn't come on fast. It may take weeks to notice. You have the newly recharged lithium-ion AA batteries in the wireless kitty water fountain, and they last two days. They once lasted a week or more. Another round of charging, ...
Apr 28, 2022
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192
Consumer & Gadgets
Apple is eyeing a better way to charge your devices.
Engineering
Lithium cobalt oxide is a layered metal oxide that has attracted great attention to develop rechargeable batteries. Sodium-ion batteries can store grid-scale energy due to the natural abundance of sodium. The composition ...
Energy & Green Tech
From cell phones, to solar power, to electric cars, humanity is increasingly dependent on batteries. As demand for safe, efficient, and powerful energy storage continues to rise, so too does the call for promising alternatives ...
Mar 2, 2020
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8003
Energy & Green Tech
People don't ask too much from batteries: Deliver energy when it's needed and for as long as it is wanted, recharge quickly and don't burst into flames.
Mar 18, 2019
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174
Energy & Green Tech
Imagine not having to charge your phone or laptop for weeks. That is the dream of researchers looking into alternative batteries that go beyond the current lithium-ion versions popular today. Now, in a new study appearing ...
Dec 6, 2018
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993
Energy & Green Tech
Metal-air batteries are one of the lightest and most compact types of batteries available, but they can have a major limitation: When not in use, they degrade quickly, as corrosion eats away at their metal electrodes. Now, ...
Nov 8, 2018
1
112
Energy & Green Tech
Researchers from RMIT University in Melbourne, Australia have demonstrated for the first time a working rechargeable "proton battery" that could re-wire how we power our homes, vehicles and devices.
Mar 7, 2018
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5656
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
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 ...
