On 23 July 2014, the report of the site Nikkei technology, engineering team from the University of Tokyo has discovered how to increase the capacity of lithium-ion batteries to 7 times With the addition of cobalt (Co) into the crystal structure of lithium oxide (Li 2 O) caused oxidation decreased during ion oxide (oxide ions) and peroxide (peroxide ions), the positive reaction to power and charge the battery fully charged simultaneously.