Showing 1 - 10 of 103
A novel MEA (membrane electrode assembly) structure of passive μ-DMFC (micro-direct methanol fuel cell) controls water management and decreases methanol crossover. The CNT (carbon nanotube) paper replacing CP (carbon paper) as GDL (gas diffusion paper) enhances water back diffusion which...
Persistent link: https://www.econbiz.de/10011209547
To solve the water flooding problem of micro passive direct methanol fuel cell (DMFC), plasma electrolytic oxidation (PEO) was adopted to prepare a superhydrophilic coating on the surface of an aluminum-based cathode current collector which contacts with air. Results data show that liquid water...
Persistent link: https://www.econbiz.de/10010776579
A “4-cell” modular passive DMFC (direct methanol fuel cell) stack, which can be freely combined and applied to various electronic devices, is designed, fabricated and tested. Two PCB (printed circuit board) based accessories are designed and fabricated for electrically connecting and...
Persistent link: https://www.econbiz.de/10011209424
The objective of this paper is to investigate the performance characteristics of μDMFC (micro direct methanol fuel cell) using a novel concept of self-adaptive anode feeding pattern, which can be controlled by detecting the operating current. A comprehensive analysis, including polarization...
Persistent link: https://www.econbiz.de/10011053386
A two-dimensional, non-isothermal model is presented for a small passive direct methanol fuel cell (DMFC) in vertical operation. The effect of natural convection at the anode in the fuel reservoir is considered. The coupled heat and mass transport of the whole cell, along with the...
Persistent link: https://www.econbiz.de/10011053623
In this paper, a 6-cells direct methanol fuel cell (DMFC) stack with the volume of only 13.25 cm3 and the weight of 24.075 g is designed, fabricated and tested. First, the material characterization of the Au-coated Al current collector is investigated to exhibit superior characteristics in...
Persistent link: https://www.econbiz.de/10011053908
Persistent link: https://www.econbiz.de/10010161098
With the spread of COVID-19 around the world, the education industry faces enormous challenges. Some colleges and universities have launched online teaching. Comprehensive online teaching and student health checkups help students complete the set teaching content and return to school as soon as...
Persistent link: https://www.econbiz.de/10014372053
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