Energy & Green Tech

Building a better battery, faster

Battery experts at PNNL and elsewhere focus on developing rechargeable lithium-metal batteries because of their high energy density. Lithium-metal batteries have the potential to double the energy of lithium-ion batteries ...

Energy & Green Tech

Record efficiency for printed solar cells

A new study reports the highest efficiency ever recorded for full roll-to-roll printed perovskite solar cells (PSCs), marking a key step on the way to cheaper and more efficient ways of generating solar energy.

Energy & Green Tech

EU's energy plan backs hydrogen, but NGOs sense 'hype'

The EU wants to put hydrogen at the centre of its ambition to achieve a carbon neutral Europe by 2050, its executive arm said Wednesday, but critics say that current extraction technology is far from green.

page 1 from 2