Ticari Bir Lityum-İyon Pilinin Batarya Dinamikleri Üzerinde Şarj Koşullarının Etkisi

Ticari bir 2032 lityum-iyon para pilinin batarya dinamikleri üzerinde şarj durumu, şarj akımı ve akım düşüş zamanının etkilerini belirlemek üzere elektrokimyasal empedans spektroskopisi ölçümleri gerçekleştirildi. Empedans cevabı Taguchi tasarımı kullanılarak sistematik bir şekilde araştırıldı ve tartışıldı. Sonuçlar şarj durumunun katı elektrolit ara fazı oluşum direnci ve katodik şarj aktarım direnci üzerinde istatistiksel olarak anlamlı bir etkiye sahip olduğunu gösterdi. Taguchi tasarımının eşdeğer devre modeli ile elde edilen batarya dinamiklerinin analiz edilmesinde önemli bir araç olduğu gösterildi. Taguchi tasarımı gerçek yaşamda lityum-iyon bataryalarının gürbüz bir tasarımı için bir olanak sağlamıştır.

Influence of Charge Conditions on Battery Dynamics of A Commercial Lithium-Ion Cell

Electrochemical impedance spectroscopy measurements were performed to determine the effect of the state-of-charge,charge current, and current-drop time on battery dynamics of a commercial 2032 lithium-ion coin cell. The impedanceresponse was systematically investigated and discussed by using the Taguchi design. The results showed that the state-ofchargehad a statistically significant effect on both the resistance for solid electrolyte interphase formation and cathodiccharge transfer resistance. It was showed that the Taguchi design is a valuable tool for analyzing battery dynamics obtainedthrough the equivalent circuit model. The Taguchi design opened the door for a robust design of lithium-ion batteries inreal life.

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