Fuel Cells and Biofuel Cells: From Past to Perspectives

Abstract This review aims at summarizing the history and state‐of‐the‐art in the areas of fuel and biofuel cells. The paper is addressed to a broad audience including experts and particularly to newcomers and students. Some parts of the review, particularly about fuel cells of different kinds, are rather general and mostly addressed to students, however, sections related to biofuel cells are more specialized and will be interesting for researchers working in this novel and challenging area. Many aspects discussed in the article represent personal opinions of the authors. The article is aimed at providing interesting and easy for reading material representing more concepts than specific experimental data. If the readers get excited about the topic, the authors’ goals will be satisfied.