fig6

Figure 6. XPS spectra of HC electrodes after three cycles in different electrolytes (A) O 1s and (B) C 1S. Reproduced from ref[65], Copyright 2017 Elsevier. HC: Hard carbon; XPS: X-ray photoelectron spectroscopy.
Figure 6. XPS spectra of HC electrodes after three cycles in different electrolytes (A) O 1s and (B) C 1S. Reproduced from ref[65], Copyright 2017 Elsevier. HC: Hard carbon; XPS: X-ray photoelectron spectroscopy.
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