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A four-cell air-breathing micro direct methanol fuel cell (μDMFC) stack with two double-side patterned PDMS distributors was designed, fabricated, and tested in this paper. A novel n-inlet and n-outlet (NINO) smooth parallel flow field was first introduced. Based on the NINO smooth parallel flow field, the other three kinds of parallel flow field: square protrusion parallel flow field, semicircle...
To improve the low mass transfer efficiency and poor performance of micro direct methanol fuel cells (μDMFCs), a detailed study on the micro direct methanol fuel cell flow field structure is developed in this paper. Since the flow field structure plays an important role in increasing the performance of cells. Silicon-based self-breathing μDMFCs with the gird, parallel, single serpentine, double serpentine...
Design and fabrication of a silicon-based micro direct methanol fuel cell (μDMFC) are presented in this paper, and a novel encapsulating method adopting PDMS is also designed, which could easily achieve close contact of the critical cell components. Meanwhile, serpentine flow field is found to have the optimal performance by different flow field structures of μDMFC tests, and the optimized size of...
Based on CFD (computational fluid dynamics), modeling and numerical simulation of the muDMFC (micro direct methanol fuel cell) are carried out ,meanwhile the influence of the muDMFC with various flow channels design is studied using the CFDRC commercial code. The simulation results show that the performance of the muDMFC with the parallel flow field excelled the one with the dot flow field. The experimental...
The design and fabrication for a novel silicon-based micro direct methanol fuel cell (mu-DMFC) of 0.64cm2 active area on <100> silicon wafer are described in this paper. The novelty of the DMFC structure is that the anodic micro channels arranged in the asymmetric mesh have been fabricated, and the first objective of the experimental trials is to verify the feasibility of the novel structure...
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