So you want to charge your phone with water? Not so soon but Japanese firm, DoCoMo is working on it jointly with Aquafairy to develop a charger which uses polymer electrolyte fuel cell (PEFC). The charger is a combination of DoCoMo’s recharger technology and Aquafairy’s thin film unit technology to act as a catalyst to produce hydrogen from water. This has made the charger compact and the charging time is also at par with the AC adapters.