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Magnesium ion conducting PVB-based polymer electrolyte for solid-state magnesium batteries
Ist Teil von
Journal of materials science. Materials in electronics, 2024-02, Vol.35 (4), p.277, Article 277
Ort / Verlag
New York: Springer US
Erscheinungsjahr
2024
Link zum Volltext
Quelle
SpringerLink (Online service)
Beschreibungen/Notizen
Polymer electrolytes have attained prominence as a compelling paradigm in the realm of battery applications, heralding a new era of advanced energy storage systems. Considering the advantages and recent advancements, the primary objective of this investigation was directed towards formulating a solid-state polymer electrolyte film for magnesium-ion conducting batteries by employing solution-cast method with Polyvinyl Butyral (PVB) polymer doped with MgCl
2
6H
2
O. The incorporation of MgCl
2
6H
2
O into the PVB matrix induces discernible changes in structural characteristics, significant modification of the electronic band structure, and thermal stability in the resulting polymer electrolyte films. The optimized composition PVB:MgCl
2
6H
2
O (70:30) demonstrates a moderate ionic conductivity of 1.8983 × 10
−6
S/cm at ambient temperature, highlighting its potential for efficient ion conduction and charge transport. Electrochemical cell analysis under a constant 100 kΩ load reveals an open circuit voltage of 2.3 V and a short circuit current of 1.3 µA.