Abstract
The growth trend of publications in the field of Proton Exchange Membrane Fuel Cell (PEMFC) was analyzed using bibliometric techniques to the identification of the areas with significant development and the orientations that have guided the research on energy cells. This study extracted the data from Scopus and Web of Science (WoS) databases to compare the bibliometric indicators of the published productions. In spite of bibliometric analysis advantages to knowing about the trends in a study area, this research requires methods to support the investigation process through the selection of a relevant bibliographic portfolio. This study applied the Methodi Ordinatio that provides a new approach to achieve it. A proposed list of the articles ranked by InOrdinatio is presented to compose the final portfolio. The obtained results in the research sub-theme of the Mass Transport in Gas Diffusion Layer (GDL) confirm the complexity in the study area by presenting erratic patterns of exponential growth. United States, China, and Japan are the leading countries on PEMFC publications. These countries have in common a strong spending by the business sector for R&D, and their gross domestic product is greater than 2%.
Highlights
The use of fossil fuels for energy generation damage the environment due to the high emission of pollutants such as CO2, NO2 and SO2 [1,2]
There are worldwide efforts to develop alternative energy sources to reduce the greenhouse effect and other problems derived from air pollution [3,4,5,6]
Alternative technologies have been developed in the generation of electricity using hydrogen like the so-called Proton Exchange Membrane Fuel Cells (PEMFC) [7,8]
Summary
The use of fossil fuels for energy generation damage the environment due to the high emission of pollutants such as CO2, NO2 and SO2 [1,2]. Hydrogen is a zero-emissions potential vector of energy that has been studied over the last 30 years. In this sense, alternative technologies have been developed in the generation of electricity using hydrogen like the so-called Proton Exchange Membrane Fuel Cells (PEMFC) [7,8]. Fuel cells are devices that produce electricity through the electrochemical reaction of oxidation, where the used fuel is hydrogen, and the oxidant is pure oxygen or air. Protons pass over the electrolyte membrane, and electrons are transported to the cathode through an external circuit. Research on the issue of cells have become popular because they have demonstrated characteristics of scalability, reliability, low or zero pollutants emission and high efficiency concerning internal combustion engines [12,13,14]
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