Preparation and expansion properties of a graphite intercalation compound containing phosphorus

ZHOU Ming-shan; HUANG Yao; TAO Yong

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Article Navigation > New Carbon Mater. > 2015 > 30(5): 438-444

ZHOU Ming-shan, HUANG Yao, TAO Yong. Preparation and expansion properties of a graphite intercalation compound containing phosphorus. New Carbon Mater., 2015, 30(5): 438-444.

Citation:

ZHOU Ming-shan, HUANG Yao, TAO Yong. Preparation and expansion properties of a graphite intercalation compound containing phosphorus. New Carbon Mater., 2015, 30(5): 438-444.

ZHOU Ming-shan, HUANG Yao, TAO Yong. Preparation and expansion properties of a graphite intercalation compound containing phosphorus. New Carbon Mater., 2015, 30(5): 438-444.

Citation:

ZHOU Ming-shan, HUANG Yao, TAO Yong. Preparation and expansion properties of a graphite intercalation compound containing phosphorus. New Carbon Mater., 2015, 30(5): 438-444.

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Preparation and expansion properties of a graphite intercalation compound containing phosphorus

1.
School of Chemical Engineering, Yunnan Open University, Kunming 650023, China;
2.
2 . School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Received Date: 2015-05-16
Accepted Date: 2015-11-10
Rev Recd Date: 2015-08-10
Publish Date: 2015-10-28

Abstract

Abstract

A graphite intercalation compound (GIC) was prepared by the chemical oxidation method using natural graphite flakes, HClO₄, H₃PO₄ and CrO₃ as raw materials with mass ratios of 1:1:2:0.3. It was characterized by SEM, EDS, XPS, FT-IR, XRD and TGA. The expansion volume of the GIC was 350 mL·g^-1 at 300℃ and reached the highest value of 610 mL·g^-1 at 800℃. The expansion volume of this GIC was obviously higher than the GICs using H₂SO₄ as an intercalating agent. The intercalating agents of the GIC were PO₄^3-, ClO₄^- and Cr₂O₇^2-.
- Graphite intercalation compounds,
- Chemical oxidation,
- Expanded graphite,
- Expansion volume

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References(19)

References

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