Abstract
Abstract Carbon dioxide removal from the catalyst sites is critical to ensure high power output operation of direct methanol fuel cell (DMFC). In this work, a novel anode which contains water-proof oil, dimethyl silicon oil (DMS) was prepared for preventing liquid sealing effect (LSE) to CO 2 . The novel electrode displays outstanding preventing LSE capability than a conventional PtRu/C electrode. The success of the novel anode in preventing LSE is due to DMS, in which the solubility and diffusion coefficient of CO 2 are much higher than that in methanol–water solution, supplying an unoccupied channel for CO 2 transportation.
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