Performance degradation study of a direct methanol fuel cell by electrochemical impedance spectroscopy
β Scribed by Min Ku Jeon; Jung Yeon Won; Kwang Seok Oh; Ki Rak Lee; Seong Ihl Woo
- Book ID
- 108119082
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 650 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0013-4686
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The direct methanol type system consists of simple and compact equipment, and is suited for automobile use. However this system possesses low power density and its internal resistance needs to be reduced. This research investigated characteristics of power output and thermal efficiency in a proton-e
## Abstract Water and methanol flux through Nafionβ’ and polyarylβblend membranes prepared at ICVT were studied under DMFC operation. The water, methanol, and CO~2~ content in the cathode exhaust were measured by FTIR spectroscopy. Both the water and methanol flux turned out to be strongly dependent