Název:
Study Of Surface Changes Of Negative Electrode For Lead-Acid Batteries Using Operando Confocal Laser Microscopy
Autoři:
Hálová, Hana Typ dokumentu: Příspěvky z konference
Jazyk:
cze
Nakladatel: Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií
Abstrakt:
Our contribution deals with the laser microscopy observation of the negative electrodefor lead-acid batteries during their life-span. We evaluate the surface changes during both deepcycling and PSoC (Partial State of Charge) cycling. The mode leads to a gradual degradation of thenegative electrode – mostly because of irreversible sulfation. The speed of the sulfation can be influencedby additives added already during the production process. The active mass was firstlyexamined by electron microscope and X-ray diffractometer. After that, the crystal growth duringcycling was observed using confocal microscope Olympus Lext OLS4100.
Klíčová slova:
confocallaser microscopy; cycle life; lead sulfate; Negative electrode; Premature Capacity Loss; PSoC Zdrojový dokument: Proceedings I of the 27st Conference STUDENT EEICT 2021: General papers, ISBN 978-80-214-5942-7
Instituce: Vysoké učení technické v Brně
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Informace o dostupnosti dokumentu:
Plný text je dostupný v Digitální knihovně VUT. Původní záznam: http://hdl.handle.net/11012/200707