Improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature
Abstract Protonic ceramic fuel cells (PCFCs) have become the most efficient, clean and cost-effective electrochemical energy conversion devices in recent years. While significant progress has been made in developing proton conducting electrolyte materials, mechanical strength and durability still ne...
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Nature Portfolio
2021
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oai:doaj.org-article:1b6af21b5df146d5b50d8691236c35482021-12-02T17:18:22ZImproved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature10.1038/s41598-021-98987-62045-2322https://doaj.org/article/1b6af21b5df146d5b50d8691236c35482021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98987-6https://doaj.org/toc/2045-2322Abstract Protonic ceramic fuel cells (PCFCs) have become the most efficient, clean and cost-effective electrochemical energy conversion devices in recent years. While significant progress has been made in developing proton conducting electrolyte materials, mechanical strength and durability still need to be improved for efficient applications. We report that adding 5 mol% Zn to the Y-doped barium cerate-zirconate perovskite electrolyte material can significantly improve the sintering properties, mechanical strength, durability and performance. Using same proton conducting material in anodes, electrolytes and cathodes to make a strong structural backbone shows clear advantages in mechanical strength over other arrangements with different materials. Rietveld analysis of the X-ray and neutron diffraction data of BaCe0.7Zr0.1Y0.15Zn0.05O3−δ (BCZYZn05) revealed a pure orthorhombic structure belonging to the Pbnm space group. Structural and electrochemical analyses indicate highly dense and high proton conductivity at intermediate temperature (400–700 °C). The anode-supported single cell, NiO-BCZYZn05|BCZYZn05|BSCF-BCZYZn05, demonstrates a peak power density of 872 mW cm−2 at 700 °C which is one of the highest power density in an all-protonic solid oxide fuel cell. This observation represents an important step towards commercially viable SOFC technology.Abul K. AzadAbdalla M. AbdallaAhmed AfifAtia AzadShammya AfrozeAzam Che IdrisJun-Young ParkMohammad SaqibNikdalila RadenahmadShahzad HossainIftakhar Bin EliusMd. Al-MamunJuliana ZainiAmer Al-HinaiMd. Sumon RezaJohn T. S. IrvineNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021) |
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Medicine R Science Q Abul K. Azad Abdalla M. Abdalla Ahmed Afif Atia Azad Shammya Afroze Azam Che Idris Jun-Young Park Mohammad Saqib Nikdalila Radenahmad Shahzad Hossain Iftakhar Bin Elius Md. Al-Mamun Juliana Zaini Amer Al-Hinai Md. Sumon Reza John T. S. Irvine Improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature |
| description |
Abstract Protonic ceramic fuel cells (PCFCs) have become the most efficient, clean and cost-effective electrochemical energy conversion devices in recent years. While significant progress has been made in developing proton conducting electrolyte materials, mechanical strength and durability still need to be improved for efficient applications. We report that adding 5 mol% Zn to the Y-doped barium cerate-zirconate perovskite electrolyte material can significantly improve the sintering properties, mechanical strength, durability and performance. Using same proton conducting material in anodes, electrolytes and cathodes to make a strong structural backbone shows clear advantages in mechanical strength over other arrangements with different materials. Rietveld analysis of the X-ray and neutron diffraction data of BaCe0.7Zr0.1Y0.15Zn0.05O3−δ (BCZYZn05) revealed a pure orthorhombic structure belonging to the Pbnm space group. Structural and electrochemical analyses indicate highly dense and high proton conductivity at intermediate temperature (400–700 °C). The anode-supported single cell, NiO-BCZYZn05|BCZYZn05|BSCF-BCZYZn05, demonstrates a peak power density of 872 mW cm−2 at 700 °C which is one of the highest power density in an all-protonic solid oxide fuel cell. This observation represents an important step towards commercially viable SOFC technology. |
| format |
article |
| author |
Abul K. Azad Abdalla M. Abdalla Ahmed Afif Atia Azad Shammya Afroze Azam Che Idris Jun-Young Park Mohammad Saqib Nikdalila Radenahmad Shahzad Hossain Iftakhar Bin Elius Md. Al-Mamun Juliana Zaini Amer Al-Hinai Md. Sumon Reza John T. S. Irvine |
| author_facet |
Abul K. Azad Abdalla M. Abdalla Ahmed Afif Atia Azad Shammya Afroze Azam Che Idris Jun-Young Park Mohammad Saqib Nikdalila Radenahmad Shahzad Hossain Iftakhar Bin Elius Md. Al-Mamun Juliana Zaini Amer Al-Hinai Md. Sumon Reza John T. S. Irvine |
| author_sort |
Abul K. Azad |
| title |
Improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature |
| title_short |
Improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature |
| title_full |
Improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature |
| title_fullStr |
Improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature |
| title_full_unstemmed |
Improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature |
| title_sort |
improved mechanical strength, proton conductivity and power density in an ‘all-protonic’ ceramic fuel cell at intermediate temperature |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/1b6af21b5df146d5b50d8691236c3548 |
| work_keys_str_mv |
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| _version_ |
1718381070065336320 |