Engineering

Packaging-free design quadruples microbatteries' energy density

With wireless-enabled electronics becoming smaller and more ubiquitous, their designers must constantly find ways for batteries to store more power in less space. And because these devices are also increasingly mobile—in ...

Energy & Green Tech

Green diesel for the road ahead

Diesel engines far outpace gasoline engines when it comes to miles-per-gallon for freight-hauling heavy-duty trucks. And thanks to advances in technology, today's diesel engines emit far lower levels of pollutants, including ...

Engineering

Innovative batteries put flying cars on the horizon

Jet packs, robot maids and flying cars were all promises for the 21st century. We got mechanized, autonomous vacuum cleaners instead. Now a team of Penn State researchers are exploring the requirements for electric vertical ...

Electronics & Semiconductors

Making batteries live longer with ultrathin lithium

Our lives today are governed by electronics in all shapes and forms. Electronics, in turn, are governed by their batteries. However, the traditional lithium-ion batteries (LIBs), that are widely used in electronic devices, ...

Energy & Green Tech

Hybrid redox-flow battery with a long cycle life

Redox‑flow batteries store electrical energy in chemical compounds that are dissolved in an electrolyte. They are a particularly promising alternative to lithium‑ion batteries as stationary energy storage. A team headed ...

Energy & Green Tech

Ionophobic electrode boosts energy storage performance

Using renewable energy to replace fossil energy is now considered the best solution for greenhouse gas emission and air pollution problems. As a result, the demand for new and better energy storage technology is strong.

Engineering

World first concept for rechargeable cement-based batteries

Imagine an entire 20-storey concrete building that can store energy like a giant battery. Thanks to unique research from Chalmers University of Technology, Sweden, this vision could someday be a reality. Researchers from ...

Engineering

A long-lasting, stable solid-state lithium battery

Long-lasting, quick-charging batteries are essential to the expansion of the electric vehicle market, but today's lithium-ion batteries fall short of what's needed—they're too heavy, too expensive and take too long to charge.

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