Mikrobiyal Yakıt Hücresinde Grafen Kaplı Nikel-Titanyum (NiTi) Alaşımının Anot Elektrotu Olarak Kullanılması

Yıl 2019, Cilt: 31 Sayı: 2, 319 - 326, 27.09.2019

Ergin Taşkan , Selman Bulak Banu Taşkan Merivan Şaşmaz , Engin Gürtekin , Ali Bayri

https://doi.org/10.35234/fumbd.613295

Cited By: 1

Öz

Bu çalışmada, grafen kaplı nikel-titanyum (NiTi) alaşımı üretilerek mikrobiyal yakıt hücresinde (MYH) anot elektrotu olarak kullanılmıştır. Çalışmada çift bölmeli bir MYH reaktörü sürekli modda işletilmiş ve elektrik üretim performansı detaylı bir şekilde araştırılmıştır. MYH reaktörünün ürettiği maksimum güç yoğunluğu 2043 mW/m2 olarak elde edilmiştir. Sistemin toplam iç direnci 437.7 W olarak ölçülmüştür. İşletme süresi sonunda anot elektrotu yüzeyinden alınan SEM görüntülerinde biyofilm yapısında genellikle yuvarlak şekilli mikroorganizmaların mevcut olduğu tespit edilmiştir. Biyofilm numunesine uygulanan PCR-DGGE analizleri elektrot yüzeyinde Shewanella oneidensis ve Pseudomonas aeruginosa gibi elektrik üretiminde etkin mikrobiyal türlerin mevcut olduğunu göstermiştir.

Anahtar Kelimeler

Mikrobiyal yakıt hücresi (MYH), Anot elektrotu, Nikel-titanyum (NiTi) alaşımı, Grafen kaplama, Güç yoğunluğu

Kaynakça

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