Electric vehicles (EV) seem to be the way of the future. They are climate friendly, and they are cheaper overall than gas-powered vehicles. One thing that concerns some prospective and current owners, ...
Scientists at MIT have made an efficient battery out of cement, one that could form the foundation of your house and be used to charge your electric car. They took the existing cement battery and made ...
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Building a rechargeable lead-acid battery and primitive generator to recreate early electrical power
This experiment explores how early electrical technology can be rebuilt from scratch by creating a rechargeable lead-acid ...
Lithium-ion batteries revolutionized the world when Sony brought them to the mass market in 1991. Compared to previous rechargeable battery technology, they were lighter, more energy-dense, last ...
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‘Blood cobalt’ is disappearing from batteries – and cheaper, cleaner batteries are arriving
You might have heard the common claim that electric cars aren’t really green – that their lithium-ion batteries rely on “blood” minerals such as cobalt, mined in terrible conditions. The critique had ...
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