A new structure of a passive direct methanol fuel cell

作者：Zheng Wukui^*; Suominen Arho; Kankaanranta Jarno; Tuominen Aulis

来源：Chemical Engineering Science, 2012, 76: 188-191.

DOI：10.1016/j.ces.2012.04.028

• Direct methanol fuel cell
• Passive fuel cell
• New structure
• Metal mesh
• Ultrasonic welding
• Low power application

In this article, a new structure of a passive, air-breathing, ambient temperature direct methanol fuel cell (DMFC), targeted towards low power applications, is proposed. The structure consists of a metal mesh directly welded onto the Polymer Electrolyte Membrane (PEM), which is then sprayed with the catalyst ink. The fuel cell operates successfully with a 2 mol L-1 methanol concentration and produces a power density of 1.52 mW cm(-2), which was reached at a current density of 9 mA cm(-2) at a voltage of 0.169 V. This new structure demonstrates average performance with a simpler structure than conventional solutions, while showing potential in application to low-power application such as sensors.

• 出版日期2012-7-9