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Article citations


Lee, C.H., Park, H.B., Lee, Y.M. and Lee, R.D. (2005) Importance of Proton Conductivity Measurement in Polymer Electrolyte Membrane for Fuel Cell Application. Industrial & Engineering Chemistry Research, 44, 7617-7626.

has been cited by the following article:

  • TITLE: An Analytical Model for the Electrolyser Performance Derived from Materials Parameters

    AUTHORS: Noris Gallandat, Krzysztof Romanowicz, Andreas Züttel

    KEYWORDS: Electrolysis, Hydrogen Production, Analytical Modeling, Technology Overview

    JOURNAL NAME: Journal of Power and Energy Engineering, Vol.5 No.10, October 30, 2017

    ABSTRACT: Hydrogen is seen as a key element for the transition from a fossil fuel based economy to a renewable, sustainable economy. Hydrogen can be used either directly as an energy carrier or as a feedstock for the reduction of CO2 to synthetic hydrocarbons. Hydrogen can be produced by electrolysis, decomposing water in oxygen and hydrogen. This paper presents an overview of the three major electrolysis technologies: acidic (PEM), alkaline (AEL) and solid oxide electrolysis (SOEC). An updated list of existing electrolysers and commercial providers is provided. Most interestingly, the specific prices of commercial devices are also given when available. Despite tremendous development of the PEM technology in the past decades, the largest and most efficient electrolysers are still alkaline. Thus, this technology is expected to play a key role in the transition to the hydrogen society. A detailed description of the components in an alkaline electrolyser and an analytical model of the process are provided. The analytical model allows investigating the influence of the different operating parameters on the efficiency. Specifically, the effect of temperature on the electrolyte conductivity—and thus on the efficiency—is analyzed. It is found that in the typical range of operating temperatures for alkaline electrolysers of 65°C - 220°C, the efficiency varies by up to 3.5 percentage points, increasing from 80% to 83.5% at 65°C and 220°C, respectively.