Graphene Improved Lead Acid Battery
Lead Acid Battery
(Sprache: Englisch)
Technological demands in HEVs, large scale storage and portable power stations has furthered more research interests in Lead Acid Batteries (LAB), in addition to the advantage of power rating per cost. The LAB positive active materials (PAM), due to low...
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Technological demands in HEVs, large scale storage and portable power stations has furthered more research interests in Lead Acid Batteries (LAB), in addition to the advantage of power rating per cost. The LAB positive active materials (PAM), due to low utilization and life cycle, severely limits the competitiveness of the traditional battery. The combination of cathode materials with tailored graphene based additives: Graphene Oxide (GO-PAM), chemically converted graphene (CCG-PAM) and pristine graphene (GX-PAM) resulted in improved discharge capacity and cycle life. PAM-GO had the best performance with the highest utilization of 41.8%, followed by CCG-PAM (37.7%), control-PAM (29.7%), and GX-PAM (28.7%) at 2.5C rate. CCG-PAM had better charging performance such as lower internal resistance, but poorer cycle life compared to GO-PAM. Cycled at 2.5C rate, all samples but the control, had increasing capacity till after ~50 cycles. Electrochemical interaction of the graphene sheets which changed the of PbO2 crystals in the gel zone. Ion transfer model was developed showing the optimization of gel zone ion transfer induced by the electrochemical activity of graphene additives.
Autoren-Porträt von Oluwaseun John Dada
Dada, Oluwaseun JohnProf. Dr. Oluwaseun John Dada is Professorial Chair of Signature EcoSystems Technologies. He has worked over over the past 8 years on NanoScale materials, advanced materials manufacturing and applications, and over 10 years in Metallurgy and Aluminium Manufacturing. He is Chief\Editor for 3 materials science journal papers.
Bibliographische Angaben
- Autor: Oluwaseun John Dada
- 2020, 68 Seiten, Maße: 22 cm, Kartoniert (TB), Englisch
- Verlag: LAP Lambert Academic Publishing
- ISBN-10: 6202527757
- ISBN-13: 9786202527750
Sprache:
Englisch
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