The average of the measurement results of a certain factor in the kth level and the average of total HDE for 2D and 3D electrodes.

Electrodegradation process	Level
2D	Level 1	54.944	31.322	47.584	37.396	45.741
	Level 2	56	43.224	47.487	41.586
	Level 3	39.404	52.108	45.346	47.127
	Level 4	32.621	56.314	42.551	56.859
3D	Level 1	75.651	51.942	68.317	58.254	66.435
	Level 2	76.759	63.969	68.19	62.419
	Level 3	60.085	72.862	66.07	67.747
	Level 4	53.244	76.965	63.158	77.319