Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system
US6824899B2 · kind B2 · utility
12Cited by
17References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | May 6, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Apparatus and methods for regulating methanol concentration in a direct methanol fuel cell system without the need for a methanol concentration sensor. One or more operating characteristics of the fuel cell, such as the potential across the load, open circuit potential, potential at the anode proximate to the end of the fuel flow path or short circuit current of the fuel cell, are used to actively control the methanol concentration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.