Table 2 Ionic conductivity

From: Nanoconfinement of an ammine magnesium borohydride composite electrolyte in a mesoporous silica scaffold

Samples

Ea (eV)

σ(Mg2+) [S cm−1]

References

T = 32 °C

T = 80 °C

MI100

0.97

3.1 × 10−8

3.4 × 10−6

This work

MI200

0.69

9.1 × 10−6

2.7 × 10−4

This work

MI300

0.99

3.2 × 10−6

7.4 × 10−6

This work

Mg(BH4)2 ∙ 1.5NH3–75 wt% MgO

0.94

5.3 × 10−6

8.3 × 10−4

13

Mg(BH4)2 ∙ 1.6NH3–67 wt% Al2O3

0.56

6.7 × 10−5

1.2 × 10−3

26

  1. Magnesium ionic conductivity, σ(Mg2+) and the activation energy of the 2nd heating cycle, Ea, in the temperature range of 32 to 80 °C for the investigated samples as compared to other ammine magnesium borohydride nanocomposites13,26.
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