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Journals / Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2023 / Cilt: 6 Sayı: 1

Evaluation of Dissolution Conditions of Li-Ion Battery Cathode Material in Nitric Acid

Li İyon Pil Katot Nitrik Asitte Çözünme Koşullarının Belirlenmesi

Selçuk YEŞİLTEPE
Pages
900–907
Publication Date
2023-03-10
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In 2M nitric acid solution addition of H2O2 is found to increase the efficiency however a satisfying leaching efficiency could not be reached.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, recycling conditions of metallic materials and graphite from waste Li-ion cathodes are evaluated by using nitric acid solution.
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Key Findings & Data:Parameters that affect the leaching efficiency, solid-liquid ratio, leaching time, H2O2 addition are investigated by relationship with leaching efficiency.
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Conclusion & Impact:In 2M nitric acid solution addition of H2O2 is found to increase the efficiency however a satisfying leaching efficiency could not be reached.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Geri dönüşüm · Li-iyon pil · Atık pil

Abstract

In this study, recycling conditions of metallic materials and graphite from waste Li-ion cathodes are evaluated by using nitric acid solution. Li-ion cathode material is leached in nitric acid solution and leaching efficiency is studied in the present study. Parameters that affect the leaching efficiency, solid-liquid ratio, leaching time, H2O2 addition are investigated by relationship with leaching efficiency. Investigations show that optimal leaching conditions are 2 hours leaching time, 100 g/L solid-liquid ratio and 3M nitric acid solution. In 2M nitric acid solution addition of H2O2 is found to increase the efficiency however a satisfying leaching efficiency could not be reached.

Özet

Bu çalışmada atık lityum-iyon pil katot malzemesinin nitrik asit çözeltisinde çözülerek metalik malzemeler ile grafitin geri kazanım koşulları belirlenmiştir. Yapılan çalışmada atık Li-iyon katot malzemesi farklı molaritelere sahip nitrik asit çözeltisinde liç edilmiş ve metallerin çözünme verimi araştırılmıştır. Çözünme verimini etkileyen katı-sıvı oranı, çözünme süresi, H2O2 katkısı parametrelerinin çözünme verimi üzerindeki etkisi incelenmiştir. Yapılan incelemeler sonucunda en uygun çözme koşullarının 2 saat liç süresi, 100 g/L katı-sıvı oranı ve 3M nitrik asit çözeltisi olduğu tespit edilmiştir. H2O2 katkısının incelendiği 2M nitrik asit çözeltisinde H2O2 katkısının olumlu etkisinin olmasına karşılık yeterli çözünme verimine ulaşılamadığı görülmüştür.

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Cite This Article

YEŞİLTEPE, S. (2023). Evaluation of Dissolution Conditions of Li-Ion Battery Cathode Material in Nitric Acid. Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 6 Sayı: 1, 900–907. https://ajindex.com/articles/911843

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