Power and Electrical Engineering

This topic covers issues related to energy generation, conversion, transportation and consumption and how the industry is addressing the challenge of energy efficiency in general.

innovations-report provides in-depth and informative reports and articles on subjects ranging from wind energy, fuel cell technology, solar energy, geothermal energy, petroleum, gas, nuclear engineering, alternative energy and energy efficiency to fusion, hydrogen and superconductor technologies.

New simple method for measuring the state of lithium-ion batteries

Rechargeable batteries are at the heart of many new technologies involving, for example, the increased use of renewable energies. More specifically, they are…

Fossil fuel-free jet propulsion with air plasmas

Humans depend on fossil fuels as their primary energy source, especially in transportation. However, fossil fuels are both unsustainable and unsafe, serving as…

Energy of the future: photosynthetic hydrogen from bacteria

The transition from fossil fuels to a renewable energy supply is one of the most important global challenges of the 21st century. In order to achieve the…

Engineers demonstrate next-generation solar cells can take the heat, maintain efficiency

A problem with the current generation of silicon solar cells is their relatively low efficiency at converting solar energy into electricity, said Vikram Dalal,…

Engineers make a promising material stable enough for use in solar cells

Soft and flexible materials called halide perovskites could make solar cells more efficient at significantly less cost, but they're too unstable to use.

Researchers tackle a new opportunity to develop high-energy batteries

At the U.S. Army Combat Capabilities Development Command's Army Research Laboratory, in collaboration with the University of Maryland, scientists may have…

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