钠离子电池Na3Zr2Si2PO12陶瓷电解质的喷雾干燥法制备及性能优化

李榅凯, 赵宁, 毕志杰, 郭向欣

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

LI Wenkai, ZHAO Ning, BI Zhijie, GUO Xiangxin

表1 不同烧结方法NASICON型固体电解质的关键参数

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

Sintering method Composition Sintering temperature/℃ Sintering aid Time/h rrelative/% st/(S∙cm-1) Ea/eV Ref. CSP Na3.256Mg0.128Zr1.872Si2PO12 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 Na3.4Zr1.6Sc0.4Si2PO12 1100 KOHaq 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 Na3.1Zr1.9Ga0.1Si2PO12 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 Na3.3Zr1.7La0.3Si2PO12 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 Na3.4Zr1.9Zn0.1Si2.2P0.8O12 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