Patent · US Expired

Direct secondary alcohol fuel cells

US7049014B1 · kind B1 · utility

0Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2002
Grant dateMay 23, 2006
Priority date
Expiry dateFeb 1, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A fuel cell using a secondary alcohol such as 2-propanol as fuel is disclosed. The fuel is oxidized directly at the anode without any reforming. Such a direct secondary alcohol fuel cell (D2AFC) possesses a much higher performance than a direct methanol fuel cell, especially at current densities less than 200 mA/cm2. In addition, fuel loss due to crossover in a direct 2-propanol fuel cell (D2PFC) is less than one-sixth of that in a direct methanol fuel cell (DMFC).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.