Polymer fuel cell components modified by graphene: Electrodes, electrolytes and bipolar plates

摘要: Abstract In this review paper we summarize recent research trends for polymer fuel cells (PEMFCs) that utilize various graphene materials described in articles published since 2007. We propose to analyze the influence of PEMFCs three aspects: (i) as an electrode (anode or cathode), (ii) additive electrolyte and (iii) a filler bipolar plates along with some discussions on future directions. Section 2 review, shortly present fundamental processes important parameters such hydrogen oxidation oxygen reduction reactions, polarization losses, exchange current density, open circuit voltage efficiency cells. Additionally, curt description kinds types polymers applied PEMFCs. Moreover, discuss briefly different synthetic routes describe selected properties ( 3 ). 4 , detail possibilities its derivatives places Graphene has significant contribution increased electrical ionic conductivity, better mechanical durability corrosion resistance, higher electrochemical surface area, depending cell component is modified. For instance, taking into consideration function based highest value maximum power density 0.742 W cm −2 was found PEMFC utilized anode support. The promising results way usage prospective material application However, main difficulty fact be sufficiently separated by additional compounds prevent restacking sheets.