Energy & Green Tech

Researchers develop alternative to lithium batteries

Lithium-ion batteries are currently the preferred technology to power electric vehicles, but they're too expensive for long-duration grid-scale energy storage systems, and lithium itself is becoming more challenging to access.

Energy & Green Tech

A new way to provide cooling without power

MIT researchers have devised a new way of providing cooling on a hot sunny day, using inexpensive materials and requiring no fossil fuel-generated power. The passive system, which could be used to supplement other cooling ...

Engineering

New water vapor condenser takes cues from darkling beetle

Access to clean water is a huge issue across the globe. Even in areas with water resources, a lack of infrastructure or reliable energy means purifying that water is sometimes extremely difficult.

Engineering

These energy-packed batteries work well in extreme cold and heat

Engineers at the University of California San Diego have developed lithium-ion batteries that perform well at freezing cold and scorching hot temperatures, while packing a lot of energy. The researchers accomplished this ...

Energy & Green Tech

System draws power from daily temperature swings

Thermoelectric devices, which can generate power when one side of the device is a different temperature from the other, have been the subject of much research in recent years. Now, a team at MIT has come up with a novel way ...

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