Here is an article on BBC News regarding a simple scientific discovery that could lead to faster charging and even higher storage capacity for lithium batteries. Not sure how quick it'll get to the market (estimated 5 years), but it could mean our batteries will charge in a fraction of the time and be several fold the Mah. Thought it was worth posting. 
BBC News - Scientists boost battery strength with small holes
(Sorry if this is posted in the wrong subforum but I did at least spent 5 minutes looking for a more appropriate subforum)
BBC News - Scientists boost battery strength with small holes
(Sorry if this is posted in the wrong subforum but I did at least spent 5 minutes looking for a more appropriate subforum)