Energy & Green Tech

Lithium-ion battery fast charging: A review

Lithium-ion batteries currently power most portable electronic devices, electric vehicles and energy grid storage facilities. Researchers worldwide are working to improve the performance of these batteries.

Energy & Green Tech

Making materials for the next generation of electric car batteries

As drivers around the world switch to electric cars, new batteries that can store more energy, translating to longer driving distances before a car needs recharging, can't come soon enough. But researchers at NTNU have discovered ...

Energy & Green Tech

How X-rays can make better batteries

Over a three-month period, the average car in the U.S. produces one metric ton of carbon dioxide. Multiply that by all the gasoline-powered cars on Earth, and what does that look like? An insurmountable problem.

Energy & Green Tech

Demand for rare minerals and metals creates eco-dilemma

According to the International Energy Agency (IEA), the demand for so-called critical raw materials (CRMs) will increase sevenfold by 2050. The reason for this is that our green, renewable energy technologies require far ...

Energy & Green Tech

Prospects for more efficient solar energy conversion

Energy is an essential commodity of our existence, as such, having a sustainable, renewable and affordable energy source is vital. Of all the renewable energy sources, the sun is the most promising due to the vast amount ...

Consumer & Gadgets

Wireless electricity and safety

A wireless power system developed by researchers at the University of Tokyo and University of Michigan can power cell phones, lights and other devices by using magnetic fields to deliver electricity over the air. A recent ...

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