Optimizing Aromaticity for Graphitization

Akshay Gharpure

doi:10.1021/acsomega.4c02607

2024-09-04

Akshay Gharpure *

Randy L. Vander Wal

DOI：10.1021/acsomega.4c02607

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摘要

En 中文

The increasing graphite demand for energy storage confronts a significant hurdle: a dwindling supply of high-quality precursors. This study introduces a simple additive upgradation strategy, exploring the potential of waste plastics and lower-quality aliphatic pitches to improve scant high-aromaticity pitch precursors by providing donatable hydrogen. The results indicate not only that high-quality aromatic pitches can accommodate waste plastics and lower-quality aliphatic pitches but also that their synergistic composition leads to improved graphitic quality and a uniform crystalline phase in the heat-treated products. Optimal aromaticity values have been investigated through a graphitization study of diverse pitch samples. Additionally, the effectiveness of quinoline insoluble removal as a subtractive strategy on crystallite sizes after graphitization was investigated, and remarkable improvements were observed in the crystallite sizes of the graphitized product.

Keyword:

HYDROGEN DONOR

COAL

HYDROCARBONS

PITCH

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期刊

ACS Omega

IF:

4.3

论文数:

3.4W

被引数:

9.8W

机构

pennsylvania commonwealth system of higher education (pcshe)

学者数:

12.9W

论文数: 11.7W

被引数: 177

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