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- W1985449485 abstract "In this study, zinc oxide (ZnO) nanorods were used as efficient sacrificial template to fabricate nano-network structure (NNS) within anode catalyst layer (CL) and micro-porous layer (MPL) of a membrane electrode assembly (MEA). It resulted in a significant reduction of noble metal catalyst loading and enhancement of performance of a passive direct methanol fuel cell (DMFC). At a Pt–Ru loading of 1.0 mg cm−2, the MEA with NNS in anode CL exhibited a maximal power density of 28.4 mW cm−2 using 2 M methanol solution as fuel at 25 °C. However, for the conventional MEA with a Pt–Ru loading of 2.0 mg cm−2, the maximal power density was 29.0 mW cm−2. With the increase in Pt–Ru loading to 2.0 mg cm−2, the maximal power densities of the MEAs with NNS in anode CL and in both anode CL and MPL reached 38.6 and 40.2 mW cm−2, respectively. The improved performance of the MEAs with NNS was attributed to its property of higher catalyst utilization, higher mass transfer efficiency, and lower charge-transfer resistance compared to the conventional MEAs. However, the construction of NNS within both anode CL and MPL led to a relatively serious problem of cathode flooding, which restrained the further improvement in DMFC's performance. This study provided a perspective to fabricate novel pore structure to obtain high performance of passive DMFCs with low noble metal catalyst loading and low concentration methanol solution." @default.
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- W1985449485 date "2015-06-01" @default.
- W1985449485 modified "2023-10-04" @default.
- W1985449485 title "Fabrication of nano-network structure anode by zinc oxide nanorods template for passive direct methanol fuel cells" @default.
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- W1985449485 doi "https://doi.org/10.1016/j.ijhydene.2015.03.121" @default.
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