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Dergiler / Politeknik Dergisi / 2026 / Cilt: 29 Sayı: 4

Lityum İyon Piller için Alüminyum ve Zirkonyum Çift Katkılı Nikel-Kobalt-Çinko Oksit Katot Malzemesi

Aluminum and Zirconium Dual-Doped Nickel-Cobalt-Zinc Oxide Cathode Material for Lithium-Ion Batteries

Duygu Candemir(HITIT UNIVERSITY, FACULTY OF ENGINEERING, DEPARTMENT OF METALLURGICAL AND MATERIALS ENGINEERING, METALLURGICAL AND MATERIALS ENGINEERING PR.)0000-0002-6186-0122
Öncü Akyıldız(HITIT UNIVERSITY, FACULTY OF ENGINEERING, DEPARTMENT OF METALLURGICAL AND MATERIALS ENGINEERING, METALLURGICAL AND MATERIALS ENGINEERING PR.)0000-0002-0081-1642
Hakan Ateş(GAZI UNIVERSITY, FACULTY OF TECHNOLOGY, DEPARTMENT OF METALLURGICAL AND MATERIALS ENGINEERING, METALLURGICAL AND MATERIALS ENGINEERING PR.)0000-0002-5132-4107
Sayfa
1–7
Yayın Tarihi
2026-04-21
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Yapay Zeka Hızlı Bakış & Çıkarımlar

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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Alüminyum (Al) ve zirkonyum (Zr) katkılamasının, katot malzemelerinin yapısal ve termal kararlılığını ayrıca elektrokimyasal performansını geliştirdiği ve potansiyel olarak lityum iyon pil uygulamaları için uygunluklarını geliştirdiği tespit edilmiştir.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Alüminyum (Al) ve zirkonyum (Zr) katkılamasının, katot malzemelerinin yapısal ve termal kararlılığını ayrıca elektrokimyasal performansını geliştirdiği ve potansiyel olarak lityum iyon pil uygulamaları için uygunluklarını geliştirdiği tespit edilmiştir.
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Temel Bulgular & Veri:Bu nedenle, bu çalışmada Al ve Zr, sol-jel destekli katı hal katkılama sentezi yoluyla nikel-kobalt-çinko hidroksit malzemeye (NiCoZn(OH)2) birlikte katkılanarak çift katkılı Li1.05Ni0.8[Co0.054Zn0.046]Al0.08Zr0.02O2 (NCZ-AZ) katot malzemesi üretilmiştir.
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Sonuç & Katkı:NCZ-AZ'deki Al ve Zr doping işleminin sistematik bir şekilde incelenmesi, gelişmiş kararlılık ve performansa sahip yeni nesil katot malzemelerinin tasarlanmasında değerli bilgiler sağlayabilir.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Lityum iyon pil · katot malzemesi · enerji depolama

Özet

Alüminyum (Al) ve zirkonyum (Zr) katkılamasının, katot malzemelerinin yapısal ve termal kararlılığını ayrıca elektrokimyasal performansını geliştirdiği ve potansiyel olarak lityum iyon pil uygulamaları için uygunluklarını geliştirdiği tespit edilmiştir. Bu nedenle, bu çalışmada Al ve Zr, sol-jel destekli katı hal katkılama sentezi yoluyla nikel-kobalt-çinko hidroksit malzemeye (NiCoZn(OH)2) birlikte katkılanarak çift katkılı Li1.05Ni0.8[Co0.054Zn0.046]Al0.08Zr0.02O2 (NCZ-AZ) katot malzemesi üretilmiştir. Karakterizasyon işlemleri, SEM-EDS, XRD ve Rietveld analizleri kullanılarak gerçekleştirilmiştir. 800 derecede 20 saat süren kalsinasyon işlemi sonucunda I(003)/I(104) XRD pikleri oranı 1,2 ve c/a değeri 4,955 olarak bulunmuştur. Bu yapısal parametreler, malzemenin elektrokimyasal kararlılığı ve şarj/deşarj döngüsü performansının kritik göstergeleridir. Ayrıca çevrimsel voltametri testi ile katot malzemesinin tersinebilirliği kanıtlanmıştır. Sonuç olarak, sentezlenen çift katkılı NCZ-AZ katot malzemesi, gelişmiş lityum iyon pil uygulamaları için ümit verici özellikler göstermektedir. NCZ-AZ'deki Al ve Zr doping işleminin sistematik bir şekilde incelenmesi, gelişmiş kararlılık ve performansa sahip yeni nesil katot malzemelerinin tasarlanmasında değerli bilgiler sağlayabilir.

Abstract

Aluminum (Al) and zirconium (Zr) doping have been found to enhance the structural and thermal stability, as well as the electrochemical performance of cathode materials, potentially improving their suitability for lithium-ion battery applications. Therefore, in this study, Al and Zr were incorporated into nickel-cobalt-zinc hydroxide material (NiCoZn(OH)2) via sol-gel assisted solid-state doping synthesis to produce dual-doped Li1.05Ni0.8[Co0.054Zn0.046]Al0.08Zr0.02O2 (NCZ-AZ) cathode material. The synthesized powders were characterized using SEM-EDS, XRD, and Rietveld refinement analysis. As a result of the calcination process lasting 20 hours at 800 degrees, the XRD peak intensity ratio I(003)/I(104) was 1.2, and the c/a value was 4.955. These structural parameters are critical to the material's electrochemical stability and charge/discharge cycling performance. Additionally, the cyclic voltammetry test proved the redox reversibility of the cathode material. In conclusion, this study's dual-doped NCZ-AZ cathode material demonstrates promising characteristics for advanced lithium-ion battery applications. A systematic survey of Al and Zr doping in NCZ-AZ can provide valuable information for designing next-generation cathode materials with improved stability and performance.

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Bu Makaleye Atıf Yap

Candemir, D., Akyıldız, Ö., Ateş, H. (2026). Lityum İyon Piller için Alüminyum ve Zirkonyum Çift Katkılı Nikel-Kobalt-Çinko Oksit Katot Malzemesi. Politeknik Dergisi, Cilt: 29 Sayı: 4, 1–7. https://doi.org/10.2339/politeknik.1632150

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