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Journals / Düzce Üniversitesi Bilim ve Teknoloji Dergisi / 2022 / Cilt: 10 - Sayı: 1

Ultrasound Assisted Synthesis of 2,3-di(thiophene-3-yl)piperazine Monomers, Preparation of Their Conducting Polymers and Investigation of Their Supercapacitor Behaviors

2,3-Di(tiyofen-3-il)piperazin Monomerlerinin Ultrases Destekli Sentezi, İletken Polimerlerinin Hazırlanması ve Süperkapasitör Davranışlarının İncelenmesi

Deniz YİĞİT
Pages
398–415
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

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

The results of capacitive performance tests reveal that PTTP and PTTQ electrode materials are promising redox-active materials for high-performance practical supercapacitor applications.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the electrochemical charge storage properties of poly(2,3-di(thiophene-3-yl)piperazine)-based conducting polymer derivatives were investigated for supercapacitor applications.
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Key Findings & Data:For this purpose, novel 2,3-di(thiophene-3-yl)piperazine electroactive monomers were sonochemically synthesized and they were electrochemically polymerized on stainless steel substrates to prepare poly(2,3-di(thiophene-3-yl)piperazine (PTTP) and poly(2,3-di(thiophene-3-yl)decahydroquinoxaline (PTTQ)-based redox-active electrode materials.
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Conclusion & Impact:The results of capacitive performance tests reveal that PTTP and PTTQ electrode materials are promising redox-active materials for high-performance practical supercapacitor applications.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Ultrases destekli sentez · 3-di(tiyofen-3-il)piperazin türevleri · İletken polimerler

Abstract

In this study, the electrochemical charge storage properties of poly(2,3-di(thiophene-3-yl)piperazine)-based conducting polymer derivatives were investigated for supercapacitor applications. For this purpose, novel 2,3-di(thiophene-3-yl)piperazine electroactive monomers were sonochemically synthesized and they were electrochemically polymerized on stainless steel substrates to prepare poly(2,3-di(thiophene-3-yl)piperazine (PTTP) and poly(2,3-di(thiophene-3-yl)decahydroquinoxaline (PTTQ)-based redox-active electrode materials. The capacitive performances of PTTP and PTTQ were investigated by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopy (EIS) techniques. PTTP and PTTQ redox-active electrode materials achieved the specific capacitances of 175 Fg-1 and 198 Fg-1 at a constant current density of 2.5 mAcm-2. PTTP and PTTQ electrodes also delivered the energy densities of 70,2 Whkg-1 and 87,1 Whkg-1 and the power densities of 7 kWkg-1 and 6,2 kWkg-1. Besides, PTTP and PTTQ exhibited high long-term cycling stabilities (80% and 87,5% capacitance retentions). The results of capacitive performance tests reveal that PTTP and PTTQ electrode materials are promising redox-active materials for high-performance practical supercapacitor applications.

Özet

Bu çalışmada, 2,3-di(tiyofen-3-il)piperazin esaslı iletken polimer türevlerinin elektrokimyasal yük depolama özellikleri incelenmiştir. Bu amaçla, ilk önce, ultrases destekli bir yöntem kullanılarak 2,3-di(tiyofen-3-il)piperazin halka sistemine sahip yeni elektroaktif monomerlerin sentezi gerçekleştirilmiştir. 2,3-Di(tiyofen-3-il)piperazin monomerleri elektrokimyasal olarak paslanmaz çelik substrat yüzeylerinde polimerleştirilmiş ve poli(2,3-di(tiyofen-3-il)piperazin (PTTP) ve poli(2,3-di(tiyofen-3-il)dekahidrokinoksalin (PTTQ) esaslı redoks aktif elektrot malzemeleri hazırlanmıştır. PTTP ve PTTQ redoks aktif malzemelerinin kapasitif performansları dönüşümlü voltametri (CV), galvanostatik şarj-deşarj (GCD) ve elektrokimyasal impedans spektroskopi (EIS) teknikleri kullanılarak araştırılmıştır. PTTP ve PTTQ esaslı elektrot malzemeleri 2,5 mAcm-2 sabit akım yoğunluğunda 175 Fg-1 ve 198 Fg-1 spesifik kapasitans değerlerine ulaşmıştır. Ayrıca, PTTP ve PTTQ, sırasıyla, 70,2 Whkg-1 ve 87,1 Whkg-1 enerji yoğunluğu değerleri ile 7 kWkg-1 ve 6,2 kWkg-1 güç yoğunluğu değerleri sergilemiştir. Bunun yanı sıra, PTTP ve PTTQ elektrot malzemeleri 10 000 şarj-deşarj döngüsü sonunda %80 ve %87,5 gibi oldukça yüksek uzun döngü ömrü kararlılıkları göstermiştir. Kapasitif performans test sonuçları PTTP ve PTTQ redoks aktif elektrot malzemelerinin yüksek performanslı pratik süperkapasitör uygulamalarında kullanılabilecek potansiyele sahip ümit vaat eden elektrot malzemeleri olduğunu ortaya koymuştur.

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Cite This Article

YİĞİT, D. (2022). Ultrasound Assisted Synthesis of 2,3-di(thiophene-3-yl)piperazine Monomers, Preparation of Their Conducting Polymers and Investigation of Their Supercapacitor Behaviors. Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Cilt: 10 - Sayı: 1, 398–415. https://ajindex.com/articles/493809

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