Challenges and Approaches of Nanoelectrocatalysts for Fuel Cell

Fuel cells are one of the prioritized energy conversion technologies with highly focused research and development. For the whole fuel cell commercial realization on the market, fuel cells must be very affordable. This realization calls for critical developments in addressing the technical hindrance such as the overall fuel cell cost, electrocatalysts stability, and durability. A step towards fuel cell commercialization means well-defined architectural electrocatalysts designs that fully enhance the oxygen reduction reaction and fuel oxidation reaction. The currently pursued electrocatalyst has drawbacks. These include poisoning from methanol and ethanol cross-over, sluggish anodic and cathodic kinetics, air, fuel management, stability, and durability management. This chapter aims to elucidate how the mentioned challenges affect the electrocatalytic activity of the electrocatalysts and expound on some approaches to mitigate the challenges, enhancing adaptability as fuel cells electrocatalysts.