News tagged with energy density

Improving batteries' energy storage

MIT researchers have found a way to improve the energy density of a type of battery known as lithium-air (or lithium-oxygen) batteries, producing a device that could potentially pack several times more energy per pound than ...

dateJul 25, 2011 in Energy & Green Tech
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Tiny heat engine may be world's smallest

( -- Steam engines, combustion engines, and diesel engines are all different types of heat engines, which operate by converting heat energy into mechanical work. Although heat engines have existed for a long time, ...

dateFeb 02, 2011 in General Physics feature
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