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Japan STAR Precision has successfully developed a small pump for direct methanol fuel cell (DMFC) at a flow rate of 10 mL / min. It is envisaged that it will be used to circulate diluted methanol at a concentration of 30 to 40%. In the "1st International Fuel Cell Exhibition" on the reference display. Overall dimensions of 24 × 24 × 5.2mm, able to self-absorption. It is reported that the part in contact with methanol made of methanol-resistant materials. The pump is a film product. Through the original product "SDMP205", in terms of film, access, and valve improvements, increased traffic. The original product flow rate of 1.5mL / min. For the development of the pump structure, the company did not disclose specific information. However, the original product is composed of a resin plate as a base, an input and output valve designed on the base, a resin plate imitating a pump chamber in the shape of a pump, a film made of metal on one side of the pump chamber and made of metal on the other side, Thin film piezoelectric element. In addition, the company also made reference to show the 25mL flow of small air pump. However, this pump needs to increase capacity several times to several times, is still in the research stage. Dimensions of 24 × 24 × 5.2mm, and diluted methanol circulation pump the same.