The effect of waste PET addition on PFO-based anode materials for improving the electric capacity in lithium-ion battery

Kim Kyung Soo (김경수); Hwang Jin Ung (황진웅); Im Ji Sun (임지선); Lee, Jong Dae (이종대); Kim Ji Hong (김지홍); Kim Min Il (김민일)

doi:10.1007/s42823-020-00124-2

The effect of waste PET addition on PFO-based anode materials for improving the electric capacity in lithium-ion battery

Carbon Letters
Abbr : Carbon Lett.
2020, 30(5), pp.545-553
DOI : 10.1007/s42823-020-00124-2
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : August 12, 2019
Accepted : February 17, 2020
Published : October 1, 2020

Kim Kyung Soo ¹, Hwang Jin Ung ¹, Im Ji Sun ¹, Lee, Jong Dae ², Kim Ji Hong ¹, Kim Min Il ¹

¹한국화학연구원
²충북대학교

Accredited

ABSTRACT

The carbon anode material for lithium-ion battery was prepared by pyrolysis fuel oil and waste polyethylene terephthalate (PET) additive. The pitch was synthesized as a medium material for carbon anode by heat treatment. The waste PET additive improved the softening point and thermal stability of the pitch. La and Lc of the anode material (heat-treated pitch) increased at higher treatment temperature but decreased by waste PET additive. The electric capacity was evaluated based on efects of defective cavity and developed graphite interlayer, respectively. When the La and Lc of the anode material decreased, the electric capacity by cavity increased based on defective graphite structure. Therefore, the addition of waste PET causes the improved capacity by the cavity. The anode material which has a high efciency (over 95%) and C-rate (95%, 2 C/0.1 C) was obtained by controlling the process of heat treatment and PET addition. The mechanism of lithium-ion insertion was discussed based on efects of defective cavity and developed graphite interlayer.

KEYWORDS

Lithium-ion battery · Anode materials · Pitch · PFO · Waste PET

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

Total Citation Counts(KCI+WOS) (11) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (15) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

* References for papers published after 2023 are currently being built.

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

The effect of waste PET addition on PFO-based anode materials for improving the electric capacity in lithium-ion battery

ABSTRACT

KEYWORDS

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

Total Citation Counts(KCI+WOS) (11) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (15) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

The effect of waste PET addition on PFO-based anode materials for improving the electric capacity in lithium-ion battery

ABSTRACT

KEYWORDS

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KCI Citation Counts (5)

WoS Citation Counts (6) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

Total Citation Counts(KCI+WOS) (11) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (15) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

REFERENCES (36) * References for papers published after 2023 are currently being built.

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

* References for papers published after 2023 are currently being built.