Abstract：
:Polymer electrolyte membranes (PEM) and Pt-based catalysts are two crucial components which determine the properties and price of fuel cells. Even though, PEM faces problem of fuel crossover in liquid fuel cells such as direct methanol fuel cell (DMFC) and direct borohydride fuel cell (DBFC), which lowers power output greatly. Here, we report a DBFC in which a polymer fiber membrane (PFM) was used, and metal oxides, such as LaNiO₃ and MnO₂, were used as cathode catalysts, meanwhile CoO was used as anode catalyst. Peak power density of 663 mW·cm⁻² has been achieved at 65°C, which increases by a factor of 1.7-3.7 compared with classic DBFCs. This fuel cell structure can also be extended to other liquid fuel cells, such as DMFC.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Yang X,Liu Y,Li S,Wei X,Wang L,Chen Ydoi
10.1038/srep00567subject
Has Abstractpub_date
2012-01-01 00:00:00pages
567issn
2045-2322journal_volume
2pub_type
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