Pressed pellets of vitreous powder electrolyte, which contained 17%B2S3 and 37%Li2S, were studied. It was found that the best results were obtained for samples which had a large grain size and which had been prepared using a pressure of 1258MPa (table 267).

M.Makyta, A.Levasseur, P.Hagenmuller, Materials Research Bulletin, 1984, 19[10], 1361-6

 

 

Table 267

Ionic Conduction Parameters for LiI-0.37Li2S-0.17B2S3

 

Grain Size (mm)

Pressure (MPa)

σ (S/cm)

Q (eV)

0.005

157

3.95 x 107

0.61

0.005

315

4.99 x 107

0.61

0.005

786

5.37 x 107

0.61

0.005

1258

3.39 x 107

0.60

0.030

157

9.33 x 105

0.43

0.030

315

7.76 x 105

0.42

0.030

786

9.91 x 105

0.42

0.030

1258

8.91 x 105

0.42

0.070

157

4.47 x 104

0.35

0.070

315

1.18 x 105

0.35

0.070

786

2.34 x 105

0.36

0.070

1258

1.78 x 105

0.35