fig3

Arginine modification of hybrid cobalt/nitrogen <InlineParagraph>Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub></InlineParagraph> MXene and its application as a sulfur host for lithium-sulfur batteries

Figure 3. (A) Schematic illustration of the Ti3C2Tx modified by the amino acids. (B) XRD patterns of the Co-Ti3C2Tx-Ser, Co-Ti3C2Tx-Lys, Co-Ti3C2Tx-Arg, and Mul-Ti3C2Tx composites. (C) Raman spectra of the Co-N@Ti3C2Tx-Ser, Co-N@Ti3C2Tx-Lys, Co-N@Ti3C2Tx-Arg, and Mul-Ti3C2Tx composites from 0 to 3,250 cm-1. (D) C 1s XPS spectrum of the crumpled Co-N@Ti3C2Tx-Arg composite. (E) O 1s spectrum of the Co-N@Ti3C2Tx-Arg composite. (F) Co 2p spectrum of the Co-N@Ti3C2Tx-Arg composite. (G) N 1s spectrum of the Co-N@Ti3C2Tx-Arg composite. (H) Ti 2p spectrum of the Co-N@Ti3C2Tx-Arg composite.

Microstructures
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