A pure methanol feed mode passive since respiratory direct methanol fuel cell, recently the Changchun Institute of applied chemistry, successful invention.
The battery includes pure methanol storage chamber, methanol buffer and battery unit of work. In a pure methanol storage chamber and methanol permeability membrane between the buffer to control the delivery of methanol, pure methanol feed to meet long-term methanol fuel cell.The battery can successful realization of pure methanol feed, can greatly improve fuel cell work time, providing higher energy density.
By controlling the film area to control the speed of delivery, methanol can be added in the different current battery work consumption volume of methanol, not peristaltic pump needs plus and methanol sensor to control the fuel supplement. Buffer in methanol, methyl alcohol fuel to steam or liquid form to adsorption on the surface, because of its relatively small volume, battery can quickly put towards more than one direction, while the traditional passive fuel cells as the inlet and outlet are located on the fuel Chamber, the battery can only be placed in one direction, otherwise will result in leakage of liquid fuel directly.New design of battery and traditional battery discharge capacity (100mA)
The battery Assembly simple, reliable performance, greatly increases the battery's working time, has a certain value.
The invention of the battery and the traditional passive battery in the same condition of discharge capacity (100mA), the present invention battery operating time approx. 45 hours to far exceeds traditional passive battery discharge time approx. 7 hours. In the same cell size and operating conditions, the present invention battery can provide longer working hours, higher energy density.
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