1. Schönbein, C.F.: On the Voltaic Polarization of certain Solids and Fluid Substances. In: The London and Edinburgh philosophical magazine and journal of science, Ser. 3, Vol 14, No. 86, p. 43–45, Feb. 1839
2. Grove, W.R.: On Voltaic Series and the Combination of Gases by Platinum.-; In: The London and Edinburgh philosophical magazine and journal of science, Ser. 3, Vol 14, No. 86, p. 127–130, Feb. 1839
3. Bossel, Ulf: The Birth of the Fuel Cell; European Fuel Cell Forum, 2000
4. Jacques, W.W.: Electricity direct from coal. In: Harpers New Monthly Magazine, 96, p.144–150, 1896
5. Mond, L.; Langer, C.: A new Form of Gas Battery; Proc. Roy. Soc., 46, p. 296–305, 1889