Study of underlying mechanism of intercalation batteries using ab-initio and theoretical evaluations
Publish place: The first national conference on lithium batteries
Publish Year: 1400
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
LBC01_034
تاریخ نمایه سازی: 6 مهر 1401
Abstract:
In the next future, rechargeable batteries will play an increasingly important role in human life. Intercalation batteries such as Li-ion and Na-ion systems are two of the most promising classes of energy storage devices. Intercalation batteries, especially lithium-ion batteries (LIBs), have ever-growing importance in our life and industry [۱]. Despite wide research attempts for synthesis and modification of cathode materials for the batteries, their behaviors and underlying relevant mechanisms need to be more understood [۲-۵]. Here, we theoretically propose bipolarization of cathode particles, as a noble governing mechanism for charge-discharge behaviors, capable to justify many phenomena including the voltage hysteresis (VH) and the first-charge cycle overvoltage, etc. The first charge cycle overvoltage is justified by the bipolarization mechanism. VH phenomenon is caused by bipolarization and subsequently neutralization of the particles.
Authors
H Yousefi Mashhour
School of Physics Iran University of Science & Technology Narmak, Tehran ۱۶۸۴۶۱۳۱۱۴ Iran.
M.M Kalantarian
Ceramic Department, Materials and Energy Research Centre, PO Box ۳۱۷۸۷-۳۱۶, Tehran, Iran.