iconoclast
1 mW
For all those following lithium–air battery development, here's a good review of current achievements and remaining challenges:
The development and challenges of rechargeable non-aqueous lithium–air batteries
http://www.tandfonline.com/doi/pdf/10.1080/19475411.2012.659227
The development and challenges of rechargeable non-aqueous lithium–air batteries
http://www.tandfonline.com/doi/pdf/10.1080/19475411.2012.659227