Batteries are the weak point in many clean tech ideas. They tend to be heavy, inefficient, and not very environmentally friendly. But systems like electric cars and thousands of other products depend on them. To paraphrase an old saying, Build a better battery, and the world will beat a path to your door.

A group from Portugal has come up with some early new technology that might help with this. They use gelatin to make a jelly from an ionic liquid.

Read more here:
‘Ion jelly’ for better, cheaper batteries | Cleantech Group