Tek Aşamalı Ortak Sinterleme Yapılarak Çeşitli Kalınlıklarda Üretilen Tek Odacıklı Anot Destekli Katı Oksit Yakıt Pillerinin Performansı

Year 2023, Volume: 15 Issue: 1, 195 - 211, 31.01.2023

Yunus Sayan , Jung-sik Kim , Houzheng Wu

Abstract

Bu çalışmada, tek aşamalı ortak sinterleme yöntemiyle yapılan anot destekli, düzlemsel tek odacıklı katı oksit yakıt pilinin performansı test edilmiştir. Ek olarak, azaltılmış elektrolit kalınlığının ve arttırılan anot kalınlığının (sinterleme sırasında düşük eğrilik elde edilmesinde faydalı olduğu kanıtlandığından dolayı) pil performansı üzerindeki etkileri araştırılmıştır. Tüm piller katot, elektrolit ve anot olarak: gadolinyum katkılı seryum-lantan stronsiyum kobaltit ferrit CGO-LSCF, gadolinyum katkılı seryum (CGO) ve nikel oksit- gadolinyum katkılı seryumdan (NiO-CGO) oluşmuştur. Her bir pil farklı kalınlıkta ve farklı kalınlık oranlarında gözenekli ve çok katmanlı yapılar halinde yapılmıştır. Bu pillerin performansları 600˚C sıcaklıkta tek haznede metan-oksijen karışımlarında test edilmiştir. Bu çalışma kapsamında anot kalınlığı 800 µm, elektrolit kalınlığı 20 µm ve katot kalınlığı 40 µm olan nihai düzlemsel pilin maksimum güç yoğunluğu ve açık devre voltajı, metan-oksijen oranı (R)’nın 1 olduğu ortamda sırasıyla 30.69 mW cm-2 ve 0.71 V olarak elde edilmiştir.

Keywords

Katı oksit yakıt pili, Tek odacıklı, Ortak sinterleme, Pil imalatı, Pil performansı

Supporting Institution

Çalışma; TC Milli Eğitim Bakanlığı, EPSRC'nin Hindistan-İngiltere İşbirliğine Dayalı Araştırma Girişiminin “ Katı Oksit Yakıt Pillerinin Hızlandırılmış Yaşlanma ve Bozulmasının Modellenmesi” Projesi (EP/I037059/1) ve EPSRC'nin İngiltere-Kore Ortak Araştırma Etkinliğinin “KOYP Yığınlarının İzlenmesi ve Kontrolü İçin Yeni Tanılama Araçları ve Teknikleri” Pprojesi (EP/M02346X/1) tarafından desteklenmiştir

Performance of Anode Supported Single Chamber Solid Oxide Fuel Cells Produced in Various Thicknesses by Single-step Co-sintering

Abstract

In this study, the performance of an anode supported planar single-chamber solid oxide fuel cell prepared by single-step co-sintering method is tested. Additionally, the effects of reduced electrolyte thickness and increased anode thickness (proven beneficial in achieving low curvature during sintering) on cell performance were investigated. All cells are composed of gadolinium-doped cerium-lanthanum strontium cobaltite ferrite (CGO-LSCF), gadolinium-doped cerium (CGO) and nickel oxide-gadolinium-doped cerium (NiO-CGO) as cathode, electrolyte and anode. Each cell is made of porous multi-layer structures with different thickness and thickness ratios. The performances of these cells were tested in methane-oxygen mixtures in a single chamber at 600˚C. The maximum power density and open circuit voltage of the final planar cell with a thickness of 800:20:40 µm, anode: electrolyte: cathode, were obtained as 30.69 mW cm-2 and 0.71 V respectively, in an environment with a methane-oxygen ratio (R) of 1.

Keywords

Solid oxide fuel cell, Single chamber, Co-sintering, Cell manufacturing, Cell performance

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