Table 3 Calculated descriptor values of 17 well-known ionic conductors.

From: CAVD, towards better characterization of void space for ionic transport analysis

Chemical formula

Space group

RT (Ã…)

RTa (Ã…)

RTb (Ã…)

RTc (Ã…)

IND

ICSD

Dim in Ref.

Li-nitride

α-Li3N

P6/mmm

1. 347

1.347

1.347

0.7919

3D§

660252

2D29

NASICON

LiTi2(PO4)3

R-3c

0.7574

0.7574

0.7574

0.7574

3D

95979

3D29

LiGe2(PO4)3

R-3c

0.7227

0.7227

0.7227

0.7227

3D

69763

3D29

Na4Zr2(SiO4)3

R-3c

0.9645

0.9645

0.9645

0.9645

3D

38055

3D12

Garnet

Li7La3Zr2O12

I41/acd

0.5631

0.5595

0.5595

0.5631

3D

246817

3D76

LIPHOS

Li3Sc2(PO4)3

P1121/n

0.6904

0.6826

0.6826

0.6904

3D

62301

3D12

Li3Fe2(PO4)3

R-3c

1.3483

1.3483

0.6985

0.6985

3D

95973

3D12

Perovskite

LiLaTiO4

P4/nmm

0.8766

0.8766

0. 8158

0.6461

3D

81857

3D3

β-Al2O3

Na2O(Al2O3)11

P63/mmc

1.2851

1.2851

1.2851

0.3315

2D

60635

2D77

Others

LiF

Fm-3m

0.4634

0.4634

0.4634

0.4634

0D

44272

0D26

Li2CO3

C12/c1

0.6942

0.6942

0.6942

0.6390

3D§

16713

2D26

Electrodes

LiFePO4

Pnma

0.6557

0.4373

0.6557

0.4788

1D

56291

1D29

LiCoO2

R-3m

0.4439

0.4439

0.4439

0.3646

0D§

98270

2D15

Li2TiO3

C12/c1

0.8501

0.8501

0.5612

0.5526

3D

15150

3D29

LiMn2O4

Fddd

0.5861

0.5861

0.5861

0.5861

3D

54700

3D29

Na2V3O7

P31c

1.6674

1.6674

1.6674

1.1365

3D

88780

3D69

Na2CoP2O7

P42/mmm

1.0342

1.0342

1.0342

0.7863

3D§

50785

2D69

  1. §RTc ≪ RTa = RTb effectively makes the material as 2D conductor in agreement with reports in15,78,79.