Patent ID: 7122260
Filing Date: 2006-10-17
Classification: H01M,Y02B,Y02E

Abstract:
1. A method of improving operating efficiency of a fuel cell for use in a portable electronic device, the fuel cell comprising: a cell compartment for containing a liquid fuel component; and a fuel activation unit disposed adjacent to the cell compartment for activating the liquid fuel component in order to generate electricity for use at least in the portable electronic device, wherein the fuel cell is operatively connected to a fuel replenishing unit via a connecting conduit, said method comprising: extracting heat from a part of the portable electronic device; heating at least part of the liquid fuel component in the connecting conduit using the extracted heat for providing a heated fuel part; and causing the heated fuel part to engage with the fuel activation unit in the cell compartment for activation so as to enhance efficiency of the activation in the fuel activation unit.