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| 001 | 863621 | ||
| 005 | 20240708132749.0 | ||
| 037 | _ | _ | |a FZJ-2019-03633 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Ma, Qianli |0 P:(DE-Juel1)129628 |b 0 |e Corresponding author |u fzj |
| 111 | 2 | _ | |a The 22nd International Conference on Solid State Ionics 22nd International Conference on Solid State Ionics |c PyeongChang |d 2019-06-16 - 2019-06-21 |w Korea |
| 245 | _ | _ | |a The re-discovery of NASICON materials |
| 260 | _ | _ | |c 2019 |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
| 336 | 7 | _ | |a Other |2 DataCite |
| 336 | 7 | _ | |a INPROCEEDINGS |2 BibTeX |
| 336 | 7 | _ | |a conferenceObject |2 DRIVER |
| 336 | 7 | _ | |a LECTURE_SPEECH |2 ORCID |
| 336 | 7 | _ | |a Conference Presentation |b conf |m conf |0 PUB:(DE-HGF)6 |s 1564126640_11738 |2 PUB:(DE-HGF) |x After Call |
| 520 | _ | _ | |a Despite of huge efforts, the lack of suitable candidate for electrolytes still impedes the development of all-solid-state Na batteries. Na3+xZr2Si2+xP1-xO12 (-0.2 ≤ x ≤ 0.2) are the very first composition series of NASICONs discovered 40 years ago and were reported having a total Na-ion conductivity of ~10-4 S cm-1 at room temperature. In the present study, this composition series is reconsidered and the focusing range of stoichiometry has been varied from x = 0 to x = 0.6. A solution-assisted solid-state reaction method is applied for powder preparation. Surprisingly, a total conductivity of over 5 × 10-3 S cm-1 is achieved for Na3.4Zr2Si2.4P0.6O12 (NZSP) at 25 °C, which is the best value of all reported polycrystalline Na-ion conductors. A bulk conductivity of about 1.5 × 10-2 S cm-1 is also revealed by high frequency impedance spectroscopy up to 3 GHz for NZSP at 25 °C. The parameters influencing the total conductivity are discussed in detail. Benefitted from the superior total conductivity of NZSP, symmetric cells of Na/NZSP/Na and full-ceramic cells of Na3V2P3O12 (NVP)/NZSP/NVP have been fabricated and tested at room temperature with good cycling performance. |
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| 700 | 1 | _ | |a Tsai, Chih-Long |0 P:(DE-Juel1)156244 |b 1 |u fzj |
| 700 | 1 | _ | |a Tietz, Frank |0 P:(DE-Juel1)129667 |b 2 |u fzj |
| 700 | 1 | _ | |a Guillon, Olivier |0 P:(DE-Juel1)161591 |b 3 |u fzj |
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| 914 | 1 | _ | |y 2019 |
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