Szczegóły publikacji
Opis bibliograficzny
Platinum group metal-free Fe−N−C catalysts for PEM fuel cells derived from nitrogen and sulfur doped synthetic polymers / Wojciech Kiciński, Sławomir Dyjak, Mateusz Gratzke, Wojciech Tokarz, Artur BŁACHOWSKI // Fuel : the science and technology of fuel and energy ; ISSN 0016-2361. — 2022 — vol. 328 art. no. 125323, s. 1-13. — Bibliogr. s. 12-13, Abstr. — Publikacja dostępna online od: 2022-08-03
Autorzy (5)
- Kiciński Wojciech
- Dyjak Sławomir
- Gratzke Mateusz
- Tokarz Wojciech
- AGHBłachowski Artur
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 141977 |
|---|---|
| Data dodania do BaDAP | 2022-09-09 |
| Tekst źródłowy | URL |
| DOI | 10.1016/j.fuel.2022.125323 |
| Rok publikacji | 2022 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | Fuel |
Abstract
Fe−N−C electrocatalysts were obtained via pyrolysis of N- or N/S co-doped synthetic polymers impregnated with FeCl3. The influence of the presence/absence of sulfur co-doping, the initial FeCl3 content and phenanthroline addition on the Fe−N−C–based cathode catalyst layers (CCLs) performance in H2-air PEM fuel cells was studied. To this end the Fe−N−C materials were first characterized concerning their chemical composition, surface chemistry, porosity and morphology. Sulfur and phenanthroline additions strongly affect these characteristics of Fe−N−C materials. This in turn determines (to various extents) the electrochemical properties as measured with a rotating ring-disk electrode and upon infusion in the cathode catalyst layer in H2-air PEM fuel cells. While simultaneous sulfur and phenanthroline addition yields Fe−N−C catalysts with high N-content and specific surface area, this does not translate into good electrochemical performance. We discuss the multitude of factors determining the catalysts’ and the final CCLs’ performances and conclude that the specific micro-colloidal morphology of the carbon gel-based materials dominates other Fe−N−C characteristics and determines overall FC performance. The best performing CCL provided peak power density of ∼0.15 W⋅cm−2 in a H2-air PEMFC.
