Na3Zr2Si2PO12 Ceramic Electrolytes for Na-ion Battery: Preparation Using Spray-drying Method and Its Property

Wenkai LI; Ning ZHAO; Zhijie BI; Xiangxin GUO

doi:10.15541/jim20210486

Journals >Journal of Inorganic Materials >Volume 37 >Issue 2 >Page 189 > Article

Journal of Inorganic Materials
Vol. 37, Issue 2, 189 (2022)

Na₃Zr₂Si₂PO₁₂ Ceramic Electrolytes for Na-ion Battery: Preparation Using Spray-drying Method and Its Property

Wenkai LI, Ning ZHAO, Zhijie BI, and Xiangxin GUO

Author Affiliations

College of Physical Sciences, Qingdao University, Qingdao 266071, China

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DOI: 10.15541/jim20210486 Cite this Article

Wenkai LI, Ning ZHAO, Zhijie BI, Xiangxin GUO. Na₃Zr₂Si₂PO₁₂ Ceramic Electrolytes for Na-ion Battery: Preparation Using Spray-drying Method and Its Property [J]. Journal of Inorganic Materials, 2022, 37(2): 189 Copy Citation Text

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XRD patterns of Na3Zr2Si2PO12 powder sintered at different temperatures

1. XRD patterns of Na₃Zr₂Si₂PO₁₂ powder sintered at different temperatures

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SEM images of Na3Zr2Si2PO12 particle after conventional mixing (a) and spray drying (b-c), and TEM image (d) of Na3Zr2Si2PO12 particle surface after spray drying

2. SEM images of Na₃Zr₂Si₂PO₁₂ particle after conventional mixing (a) and spray drying (b-c), and TEM image (d) of Na₃Zr₂Si₂PO₁₂ particle surface after spray drying

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3. Na₃Zr₂Si₂PO₁₂particle size profiles of conventional mixing (NZSP) and spraying drying (SD-NZSP) measured by laser particle analyzer

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4. SEM images of slice sections for CS-NZSP (a) and SD-CS-NZSP (b), corresponding photographs (c) and elemental mapping images (d-g) of SD-CS-NZSP

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5. (a) EIS spectra at room temperature and (b) Arrhenius plots of CS-NZSP and SD-CS-NZSP; (c) DC potentiostatic polarization current and (d) electrochemical window for SD-CS-NZSP

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Sintering method	Composition	Sintering temperature/℃	Sintering aid	Time/h	r_relative/%	s_t/(S∙cm^-1)	E_a/eV	Ref.
CSP	Na_3.256Mg_0.128Zr_1.872Si₂PO₁₂	140	None	1	82.9	0.41´10^-4	-	[19]
FH-CSP	Na₃Zr₂Si₂PO₁₂	375	NaOH	3	93	2.2´10^-4	0.32	[24]
LPS	Na₃Zr₂Si₂PO₁₂	1150	NaF	24	-	1.7´10^-3	0.28	[25]
LPS	Na₃Zr₂Si₂PO₁₂	900	Na₃BO₃	10	93	1.4´10^-3	-	[26]
LPS	Na₃Zr₂Si₂PO₁₂	1175	Na₃SiO₃	10	93	1.45´10^-3	-	[27]
SPS	Na_3.4Zr_1.6Sc_0.4Si₂PO₁₂	1100	KOH_aq	0.1	95	9.3´10^-4	-	[28]
SPS	Na₃Zr₂Si₂PO₁₂	1210	None	0.5	97.0	1.7´10^-3	0.28	[29]
MWS	Na₃Zr₂Si₂PO₁₂	850	None	0.5	96	2.5´10^-4	0.31	[23]
CS	Na₃Zr₂Si₂PO₁₂	1250	None	16	71.4	1.7´10^-4	0.36	[20]
CS	Na_3.1Zr_1.9Ga_0.1Si₂PO₁₂	1250	None	16	86.5	1.06´10^-3	0.29	[20]
CS	Na₃Zr₂Si₂PO₁₂	1200	None	24	87.6	6.7´10^-4	0.353	[21]
CS	Na_3.3Zr_1.7La_0.3Si₂PO₁₂	1200	None	24	99.6	3.4´10^-3	0.291	[21]
CS	Na₃Zr₂Si₂PO₁₂	1250	None	-	84.02	2.17´10^-4	0.407	[18]
O₂-CS	Na_3.4Zr_1.9Zn_0.1Si_2.2P_0.8O₁₂	1250	None	-	99.46	5.27´10^-3	0.285	[18]
CS	Na₃Zr₂Si₂PO₁₂	1250	None	6	88.1	4.94´10^-4	0.34	This work
SD-CS	Na₃Zr₂Si₂PO₁₂	1250	None	6	97.5	6.96´10^-4	0.32	This work

Table 1. Key parameters of NASICON-type materials for different sintering method

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Sample	Process temp./℃	Time/h	m/g	r_ethanol/(g·cm^-3)	m_submerged/g	r_real/(g·cm^-3)	r_theoretical/(g·cm^-3)	r_relative/%
GB	-	-	0.2902	0.785	0.2056	2.693	3.244	83.01
SD-GB	-	-	0.2880	0.785	0.2098	2.891	3.244	89.12
CS-NZSP	1250	6	0.2672	0.785	0.1938	2.858	3.244	88.10
SD-CS-NZSP	1250	6	0.2644	0.785	0.1988	3.164	3.244	97.53

Table 2. Sintering parameters and density measurement parameters and measurement results of Na₃Zr₂Si₂PO₁₂solid electrolyte green bodies and ceramic sheet

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