AN STUDYING ON THE SYNTHESIS AND DENSIFICATION BEHAVIOR OF β”- ALUMINA ELECTROLYTE FOR SODIUM-SULFUR BATTERIES

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AHMADI MOGHADAM H.; PAYDAR M.H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF NEW MATERIALS Year:2016 | Volume:6 | Issue:2 (22) Page(s): 137-146

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Title

AN STUDYING ON THE SYNTHESIS AND DENSIFICATION BEHAVIOR OF β”- ALUMINA ELECTROLYTE FOR SODIUM-SULFUR BATTERIES

Author(s)

AHMADI MOGHADAM H. | PAYDAR M.H. | Issue Writer Certificate

Keywords

β”-ALUMINA

ZETA PROCESS

SINTERING

SYNTHESIZE

MICROSTRUCTURE

Abstract

b”-Alumina electrolyte as a sodium ion conductor is used in sodium sulfur batteries. To obtain the appropriate ionic conductivity, this electrolyte should gain high density and uniform MICROSTRUCTURE during manufacturing process. For this purpose, in the present work, b”-alumina powder was SYNTHESIZEd and the parameters influencing the densification behavior of b”-alumina ceramic have been studied. b”- alumina powder SYNTHESIZEd by the ZETA PROCESS and the raw samples were formed by uniaxial pressing and sintered at different temperatures and for different times. The phase identification of the SYNTHESIZEd powder and fabricated electrolyte was performed by X-ray diffraction (XRD), scanning electron microscopy and measuring of density were used to investigate the densification behavior. The results showed that the MICROSTRUCTURE of the b”-alumina ceramics strongly depends on the SINTERING conditions. Decreasing in the density and the duplex MICROSTRUCTURE occurred with increasing the time of the SINTERING. The optimum condition for the sinte ring of the b”- alumina electrolyte was determined to be at 1620oC for 15 min, which results in a dense sample with more than 99% of theoretical density, uniform MICROSTRUCTURE, without excessive grain growth and the lack of duplex MICROSTRUCTURE including more than 99 percent b”-Al2O3 phase.

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References

EFFECT OF CUO ON THE SINTERING BEHAVIOR, MICROSTRUCTURE AND PROTON CONDUCTIVITY OF YTTRIUM DOPED BARIUM ZIRCONATE

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APA: Copy

AHMADI MOGHADAM, H., & PAYDAR, M.H.. (2016). AN STUDYING ON THE SYNTHESIS AND DENSIFICATION BEHAVIOR OF β”- ALUMINA ELECTROLYTE FOR SODIUM-SULFUR BATTERIES. JOURNAL OF NEW MATERIALS, 6(2 (22)), 137-146. SID. https://sid.ir/paper/169729/en

Vancouver: Copy

AHMADI MOGHADAM H., PAYDAR M.H.. AN STUDYING ON THE SYNTHESIS AND DENSIFICATION BEHAVIOR OF β”- ALUMINA ELECTROLYTE FOR SODIUM-SULFUR BATTERIES. JOURNAL OF NEW MATERIALS[Internet]. 2016;6(2 (22)):137-146. Available from: https://sid.ir/paper/169729/en

IEEE: Copy

H. AHMADI MOGHADAM, and M.H. PAYDAR, “AN STUDYING ON THE SYNTHESIS AND DENSIFICATION BEHAVIOR OF β”- ALUMINA ELECTROLYTE FOR SODIUM-SULFUR BATTERIES,” JOURNAL OF NEW MATERIALS, vol. 6, no. 2 (22), pp. 137–146, 2016, [Online]. Available: https://sid.ir/paper/169729/en

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