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Sendyne Corporation

Tadashi Okuto

Ioannis Milios

In a direct methanol fuel cell, fuel efficiency is maintained by periodically adding a higher methanol concentration mixture through a cartridge into the primary fuel container. The cartridge replenishes methanol and partial water losses due to the consumption of fuel in the power generating process. In a typical system, the fuel replenishment mechanism is controlled through an electronic apparatus that monitors the power conversion process and is capable of predicting remaining operating capacity.

Fuel supply method for direct methanol fuel cell

A temperature sensor () and a heating device () are provided to prevent moisture from freezing i a direct methanol fuel cell (). To achieve this, a secondary battery () is connected in parallel to the fuel cell. When the temperature drops to a predetermined level, the secondary battery, using electricity it as stored from the fuel cell, heats a ceramic device. This device is located near the fuel cell, the fuel container (), or both. When the fuel cell again reaches the desired temperature, it begins normal operations and also recharges the secondary battery. The heating system is prevented from working if a fuel container is not installed in a battery pack or if the battery pack is not connected to an electronic device or if that electronic device is turned off.

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New York, NY, United States of America

Tadashi Okuto