Two-phase flow and its influence on mass transfer in DMFC

作者：Guo Hang^*; Jia Jie Lin; Wang Mao Hai; Liu Xuan; Ma Chong Fang

来源：Journal of Engineering Thermophysics, 2007, 28(1): 101-103.

• Direct methanol fuel cells

Visualization study of two-phase flow in anode interdigital flow bed of a liquid-fed direct methanol fuel cell (DMFC) was performed in a experimental system. A self-made DMFC consisted of a Nafion 117 membrane electrode assembly, a gold-plated stainless steel cathode polar plate and a polycarbonate anode flow field plate, which forms a transparent window for observation. The inlet and outlet manifold were horizontal in all experiments. Meanwhile, the inlet and outlet flow channels were vertical. The experimental results indicated that the typical flow pattern in outlet channels was bubbly flow and in outlet manifold was slug flow. Gas slugs and gas columns in the inlet channels lead to block of mass transfer in the anode.

• 出版日期2007
• 单位北京大学