001020597 001__ 1020597
001020597 005__ 20240709082056.0
001020597 037__ $$aFZJ-2024-00292
001020597 041__ $$aEnglish
001020597 1001_ $$0P:(DE-Juel1)174488$$aMontiel Guerrero, Saul Said$$b0$$ufzj
001020597 245__ $$aPerformance Enhancement and Corrosion Studies of Metal–Air Batteries$$f2019-01-01 - 2023-06-01
001020597 260__ $$c2023
001020597 300__ $$a159
001020597 3367_ $$2DataCite$$aOutput Types/Dissertation
001020597 3367_ $$2ORCID$$aDISSERTATION
001020597 3367_ $$2BibTeX$$aPHDTHESIS
001020597 3367_ $$02$$2EndNote$$aThesis
001020597 3367_ $$0PUB:(DE-HGF)11$$2PUB:(DE-HGF)$$aDissertation / PhD Thesis$$bphd$$mphd$$s1705038477_26422
001020597 3367_ $$2DRIVER$$adoctoralThesis
001020597 502__ $$aDissertation, Duisburg-Essen, 2023$$bDissertation$$cDuisburg-Essen$$d2023
001020597 520__ $$aMetal-air batteries (MABs) are an attractive and promising alternative energy storage system to existing batteries due to their high energy density, cost efficiency, and intrinsic safety. They have potential applications in both the electromobility sector and stationary energy storage. This thesis examines the possible uses of MABs, in specific silicon, aluminum, zinc and their alloys, and proposes strategies for performance improvement.One of the main focusses in this research is the potential applications of alkaline and non-aqueous Si-air batteries in low-power electronics. As a proof–of–concept, the use of a Si–air battery with an integrated circuit (IC) on the anode to power an LED is demonstrated. Additionally, the self–destructive capability of the Si–IC is also examined. The study also surveys the potential improvement of Si electrodes through alloying with Al, which show a slight increase in the anodic current densities without passivating the electrode.This work further extends the investigations from the primary Si–air battery to secondary Zn-air batteries (ZABs). ZABs have the advantage that the zinc electrodes can be cycled in several types of electrolytes, including neutral solutions. By doing so, the prejudicial high corrosion of Zn in the alkaline electrolytes is avoided. However, the potentials of zinc in neutral electrolytes are relatively low in comparison to alkaline solutions. To increase the discharge potential of Zn, alloying it with more electronegative materials is proposed, such as Zn–Al alloy. The tested Zn–10 wt.%Al electrodes require, however, an initial cathodic pulse to reveal the more negative potential, which is also limited over time.This study finds that the potential enhancement can be further improved and prolonged by the introduction of the chelating agent ethylenediaminetetraacetic acid (EDTA). Such beneficial effect is present under discharge conditions even after applying relatively high anodic current densities on Zn electrodes. The cycling of the ZABs was possible in both electrolyte formulations but could be slightly extended in presence of EDTA, which also showed higher discharge voltages in comparison to the neat 2M NaCl electrolyte.
001020597 536__ $$0G:(DE-HGF)POF4-1223$$a1223 - Batteries in Application (POF4-122)$$cPOF4-122$$fPOF IV$$x0
001020597 909CO $$ooai:juser.fz-juelich.de:1020597$$pVDB
001020597 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)174488$$aForschungszentrum Jülich$$b0$$kFZJ
001020597 9131_ $$0G:(DE-HGF)POF4-122$$1G:(DE-HGF)POF4-120$$2G:(DE-HGF)POF4-100$$3G:(DE-HGF)POF4$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF4-1223$$aDE-HGF$$bForschungsbereich Energie$$lMaterialien und Technologien für die Energiewende (MTET)$$vElektrochemische Energiespeicherung$$x0
001020597 9141_ $$y2023
001020597 920__ $$lyes
001020597 9201_ $$0I:(DE-Juel1)IEK-9-20110218$$kIEK-9$$lGrundlagen der Elektrochemie$$x0
001020597 980__ $$aphd
001020597 980__ $$aVDB
001020597 980__ $$aI:(DE-Juel1)IEK-9-20110218
001020597 980__ $$aUNRESTRICTED
001020597 981__ $$aI:(DE-Juel1)IET-1-20110218