Rechargeable lithium air batteries are a next-generation technology: Theoretically they might be much lighter and offer better performance than current lithium ion batteries. However, currently they run out of steam after only a few charging cycles. Researchers at the Technical University of Munich (TUM) and the Forschungszentrum Jülich have now investigated the processes and discovered a possible culprit: highly reactive singlet oxygen, which is released when the batteries are charged.
A trimming diet is in order: Cell phones still bulge from jacket pockets and laptop computers continue to overstrain shoulder muscles. ...
