Table 1 The primary constituents of the black powder sample.

From: Ultrasound enhances the recycling process and mechanism of lithium from spent LiFePO4 batteries by Acidithiobacillus ferrooxidans

Constituent

Li

Fe

P

Cu

Al

C

Mass fraction (%)

3.56

36.79

14.38

1.72

0.16

43.39