A water dispenser including a water tank for storing water supplied from a water bottle; an electrolytic cell including an anode, a cathode, and a three-dimensional carbon electrode provided between the anode and the cathode, the electrolytic cell being provided downstream of the water tank;...http://www.google.fr/patents/US5744028?utm_source=gb-gplus-shareBrevet US5744028 - Water treating apparatus
