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Zirconia- and ceria-based electrolytes for fuel cell applications: critical advancements toward sustainable and clean energy production

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Abstract

Solid oxide fuel cells (SOFCs) are emerging as energy conversion devices for large-scale electrical power generation because of their high energy conversion efficiency, excellent ability to minimize air pollution, and high fuel flexibility. In this context, this critical review has focussed on the recent advancements in developing a suitable electrolyte for SOFCs which has been required for the commercialization of SOFC technology after emphasizing the literature from the prior studies. In particular, the significant developments in the field of solid oxide electrolytes for SOFCs, particularly zirconia- and ceria-based electrolytes, have been highlighted as important advancements toward the production of sustainable and clean energy. It has been reported that among various electrolyte materials, zirconia-based electrolytes have the potential to be utilized as the electrolyte in SOFC because of their high thermal stability, non-reducing nature, and high mechanical strength, along with acceptable oxygen ion conductivity. However, some studies have proved that the zirconia-based electrolytes are not suitable for low and intermediate-temperature working conditions because of their poor ionic conductivity to below 850 °C. On the other hand, ceria-based electrolytes are being investigated at a rapid pace as electrolytes for intermediate and low-temperature SOFCs due to their higher oxygen ion conductivity with good electrode compatibility, especially at lower temperatures than stabilized zirconia. In addition, the most emerging advancements in electrolyte materials have demonstrated that the intermediate temperature SOFCs as next-generation energy conversion technology have great potential for innumerable prospective applications.

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Fig. 1
Fig. 2

Reproduced with permission from the ref. (Ng et al. 2019), Copyright 2019 Elsevier, working principle of d oxygen ion-conducting SOFC unit, e proton-conducting SOFCs (Duan et al. 2015). Reproduced from the ref. (Duan et al. 2015)

Fig. 3

Adopted from the ref. (Anwar et al. 2016) de cubic perovskite structure of LaGaO3 (Malavasi et al. 2010). Reproduced from the ref. (Malavasi et al. 2010)

Fig. 4

Reproduced with permission from the ref. (Omar et al. 2006). Copyright 2006 Elsevier

Fig. 5

Reproduced from the ref. (Zhigachev et al. 2021)

Fig. 6

Reproduced from the ref. (Joh et al. 2017). Copyright 2017 ACS

Fig. 7

Reproduced with permission from the ref. (Cho et al. 2019). Copyright 2019 Elsevier

Fig. 8

Reproduced with permission from the ref. (Nie et al. 2021). Copyright 2021 Elsevier

Fig. 9

Reproduced from the reference (Ji et al. 2015). Copyright 2015ACS

Fig. 10

Copyright 2012 Elsevier

Fig. 11

Reproduced with permission from the ref. (Gong et al. 2016). Copyright 2016 ACS

Fig. 12

Reproduced from the reference (Gong et al. 2016). Copyright ACS 2020

Fig. 13

Copyright RSC under common creative license

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Acknowledgements

We acknowledge Mahatma Gandhi Central Library, IIT Roorkee, for providing all literature.

Funding

This work was financially supported by the Ministry of Human Resources Development, India, and IIT Roorkee, India.

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Authors

Contributions

Tushar Kanti Maiti: conceptualization, writing, reviewing, editing, visualization, data analysis. Jagannath Majhi: Editing, visualization. Subrata Kumar Maiti: conceptualization, reviewing. Jitendra Singh: conceptualization, editing. Prakhar Dixit: editing, visualization. Tushita Rohilla: reviewing, editing. Samaresh Ghosh: conceptualization, data analysis. Sakchi Bhushan: reviewing, visualization. Sujay Chattopadhyay: conceptualization, supervision.

Corresponding author

Correspondence to Sujay Chattopadhyay.

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Responsible Editor: George Z. Kyzas

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Maiti, T.K., Majhi, J., Maiti, S.K. et al. Zirconia- and ceria-based electrolytes for fuel cell applications: critical advancements toward sustainable and clean energy production. Environ Sci Pollut Res 29, 64489–64512 (2022). https://doi.org/10.1007/s11356-022-22087-9

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  • DOI: https://doi.org/10.1007/s11356-022-22087-9

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