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Tunning tin-based p...
Tunning tin-based perovskite as an electrolyte for semiconductor protonic fuel cells
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- Akbar, Nabeela (författare)
- China Univ Geosci, Fac Mat Sci & Chem, Engn Res Ctr Nanogeo Mat, Minist Educ, 388 Lumo Rd, Wuhan 430074, Peoples R China.
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- Paydar, Sara (författare)
- China Univ Geosci, Fac Mat Sci & Chem, Engn Res Ctr Nanogeo Mat, Minist Educ, 388 Lumo Rd, Wuhan 430074, Peoples R China.
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- Afzal, Muhammad (författare)
- KTH,Kraft- och värmeteknologi,Southeast Univ, Sch Energy & Environm, Energy Storage Joint Res Ctr, Jiangsu Prov Key Lab Solar Energy Sci & Technol, 2 Si Pai Lou, Nanjing 210096, Peoples R China
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- Akbar, Muhammad (författare)
- Hubei Univ, Fac Phys & Elect Sci, Hubei Key Lab Ferro & Piezoelect Mat & Devices, Wuhan 430062, Hubei, Peoples R China.
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- Shah, Muhammad Ali Kamran Yousaf (författare)
- Southeast Univ, Sch Energy & Environm, Energy Storage Joint Res Ctr, Jiangsu Prov Key Lab Solar Energy Sci & Technol, 2 Si Pai Lou, Nanjing 210096, Peoples R China.
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- Ge, Wen (författare)
- China Univ Geosci, Fac Mat Sci & Chem, Engn Res Ctr Nanogeo Mat, Minist Educ, 388 Lumo Rd, Wuhan 430074, Peoples R China.
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- Zhu, Bin (författare)
- China Univ Geosci, Fac Mat Sci & Chem, Engn Res Ctr Nanogeo Mat, Minist Educ, 388 Lumo Rd, Wuhan 430074, Peoples R China.;Southeast Univ, Sch Energy & Environm, Energy Storage Joint Res Ctr, Jiangsu Prov Key Lab Solar Energy Sci & Technol, 2 Si Pai Lou, Nanjing 210096, Peoples R China.
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China Univ Geosci, Fac Mat Sci & Chem, Engn Res Ctr Nanogeo Mat, Minist Educ, 388 Lumo Rd, Wuhan 430074, Peoples R China Kraft- och värmeteknologi (creator_code:org_t)
- Elsevier BV, 2022
- 2022
- Engelska.
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Ingår i: International journal of hydrogen energy. - : Elsevier BV. - 0360-3199 .- 1879-3487. ; 47:8, s. 5531-5540
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The use of ceramic semiconductors to serve as an efficient proton conductor is an evolving approach in the novel emerging field of semiconductor protonic fuel cells (SPFCs). One of the most critical challenges in SPFCs is to design a sufficient proton-conductivity of 0.1 S cm(-1) below <600 degrees C. Here we report to tune the perovskite BaSnO3 (BSO), a semi-conductor single-phase material, to be applied as a proton-conducting electrolyte for SPFC. It was found that the oxygen vacancies play a vital role to promote proton transport while the electronic short-circuiting issue of BSO semiconductor has been justified by the Schottky junction mechanism at the anode/electrolyte interface. We have demonstrated a SPFC device to deliver a maximum power density of 843 mW cm(-2) with an ionic conductivity of 0.23 S cm(-1) for BSO at 550 degrees C. The oxygen vacancy formation by increasing the annealing temperature helps to understand the proton transport mechanism in BSO and such novel low-temperature SPFC (LT-SPFC).
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- BaSnO3
- Perovskite oxide
- Semiconductor protonic fuel cell
- Oxygen vacancy
- Proton transport
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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