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000857924 037__ $$aFZJ-2018-06878
000857924 1001_ $$0P:(DE-Juel1)129667$$aTietz, Frank$$b0$$eCorresponding author$$ufzj
000857924 1112_ $$a8th International Symposium on Functional Materials$$cAachen$$d2018-08-20 - 2018-08-23$$gISFM-8$$wGermany
000857924 245__ $$aFast, faster, fastest: Ionic conduction in NaSICON materials
000857924 260__ $$c2018
000857924 3367_ $$033$$2EndNote$$aConference Paper
000857924 3367_ $$2DataCite$$aOther
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000857924 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1574948880_25886$$xInvited
000857924 520__ $$aNa+ Super-Ionic CONductors (NaSICON) consist of a 3D framework of corner-shared ZrO6 octahedra and (Si,P)O4 tetrahedra, joined by inter¬connected channels providing a Na+ conduction pathway between Na(1) and Na(2) positions. The original composition Na3Zr2Si2PO12 can be modified according to the generalized formula as Na1+2w+x-y+z M2+w M3+x M5+y Zr2-w-x-y (SiO4)z (PO4)3-z. To anticipate a fast conducting NaSICON material, the composition should follow specific design parameters:1.	The size of transition metal cations (reff = 0.72 Å)2.	The Na content (3 – 3.5 moles Na/formula unit)3.	The crystal structure (monoclinic distortion affecting the structural bottleneck)So far three series of NaSICON materials were designed to verify the proposed design parameters: Na3+xScxZr2-xSi2PO12, Na3+xSc2SixP3-xO12 and Na1+2xAlxYxZr2-2xSiyP3-yO12. For the first two series the maximum conductivity was indeed obtained for x = 0.4, with the highest Na+ ion conductivity in polycrystalline NaSICON materials ever reported for Na3.4Sc0.4Zr1.6Si2PO12 (4 mS cm-1).
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000857924 9141_ $$y2019
000857924 920__ $$lyes
000857924 9201_ $$0I:(DE-Juel1)IEK-12-20141217$$kIEK-12$$lHelmholtz-Institut Münster Ionenleiter für Energiespeicher$$x0
000857924 9201_ $$0I:(DE-Juel1)IEK-1-20101013$$kIEK-1$$lWerkstoffsynthese und Herstellungsverfahren$$x1
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