Cell unit having fuel cell, electronic apparatus having fuel cell, and controlling method of operation of fuel cell in multi-step manner for efficient operation

摘要

An electronic apparatus has a fuel cell for generating electric power with a reaction portion and an auxiliary mechanism for fuel supply to the reaction portion, an electronic device being operable with the electric power provided from said fuel cell, and a control unit coupled to the auxiliary mechanism. The control unit controls an amount of fuel supply by the auxiliary mechanism in a multi-step manner.