To surely manufacture a fine fuel cell electrode in accordance with a designed value by preventing reverse flight caused by reversed polarity of electrode material powder on the electrolyte membrane when the fuel cell electrode is manufactured by transfer printing of the electrode material powder on the electrolyte membrane by utilizing electrostatic force.
A photoconductor drum 20 developing charged electrode material powder 5 in an electrode shape is put on the position apart from the electrolyte membrane 10 and a transfer printing roller 14, the transfer printing roller 14 is coated with resin 14a having high resistance value, or the photoconductor drum 20 is connected to a transfer printing high voltage power source 17 through resistance 18 having high resistance value to convert it to a high resistance member. A transfer printing electric field is formed by applying high voltage only for time when an electrode image on the photoconductor drum 20 is present in the upper part of the electrolyte membrane 10, and soon after transfer printing, by eliminating the transfer printing electric field of the transfer printing part by setting the transfer printing high voltage power source to 0V, reverse flight can be prevented.
COPYRIGHT: (C)2006,JPO&NCIPI
Tatsuya Kawahara
Keiichi Watanabe
Tatsuya Hatanaka
Tomo Morimoto
Toyota Central R & D Labs.
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