Table 1 Loading, surface area to volume ratio and backbone percentage of the sulphur phase over all investigated cycling steps.

From: Degradation of Li/S Battery Electrodes On 3D Current Collectors Studied Using X-ray Phase Contrast Tomography

Sulphur Parameters

Loading / voxels*μm − 2

Loading / mg*cm − 2

Surface Area:Volume / 10 5 m −1

Backbone / %

Uncycled

24.8 ± 5.0

3.4 ± 0.7

2.7

81

After 1 cycle

3.9 ± 1.9

0.5 ± 0.2

3.0

63

After 2 cycles

4.5 ± 1.7

0.6 ± 0.2

3.2

14

After 10 cycles

3.8 ± 0.8

0.5 ± 0.1

3.7

9

  1. The backbone percentage is the phase fraction of the largest connected cluster and is an indicator for percolation. The error was calculated by dividing the 3D structures into four compartments and average parameters of these compartments and therefore represents local distribution homogeneity.
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