Ozonation for the chemical modification of carbon surfaces in fly ashGao, Y.; Külaots, IndrekFuel2001 / 5, p. 765-768 : ill Platinum-free oxygen electrocatalysts and alkaline fuel cell cathodes fabricated from peatTeppor, Patrick; Jäger, Rutha; Paalo, Maarja; Härmas, Meelis; Adamso, Anu; Volobujeva, Olga; Aruväli, Jaan; Palm, Rasmus; Lust, EnnGraduate School of Functional Materials and Technology (GSFMT) Scientific Conference : abstracts2022 / 61 l. Graduate School of Functional Materials and Technology (GSFMT) Scientific Conference 2022