Effect of heat pre-treatment conditions on the electrochemical properties of mangrove wood-derived hard carbon as an effective anode material for lithium-ion batteries

Yu Jin Han, Dabin Chung, Koji Nakabayashi, Jin Do Chung, Jin Miyawaki, Seong Ho Yoon

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Anodic hard carbon for lithium-ion batteries with high discharge capacity was successfully developed using mangrove green tree as a cheap raw material. To obtain commercial-level first-cycle Coulombic efficiency, the effects of heat pre-treatment in the low temperature range of 450–600 °C at various pressures, to produce optimized char precursor before carbonization, were closely investigated, focusing on synthetic yield, structural and physical properties, first-cycle Coulombic efficiency, and discharge capacity of the resulting hard carbon. The hard carbon with heat pre-treatment involving optimum fabrication conditions of 500 °C in inner gas at 0.7 MPa for 39 days exhibited higher synthetic yield of 30.0 wt% and better first-cycle Coulombic efficiency of 81% and discharge capacity of 424 mAh/g than that prepared through direct one-step carbonization, due to low H/C and Odiff/C ratios and a pore structure promoting lithium-ion insertion/desertion.

Original languageEnglish
Pages (from-to)432-438
Number of pages7
JournalElectrochimica Acta
Volume213
DOIs
Publication statusPublished - Sep 20 2016

Fingerprint

Electrochemical properties
Wood
Anodes
Carbon
Carbonization
Pore structure
Lithium
Structural properties
Raw materials
Physical properties
Gases
Ions
Fabrication
Hot Temperature
Lithium-ion batteries
Temperature

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

Cite this

@article{715afce69c2740ce9ae6976928ca83b1,
title = "Effect of heat pre-treatment conditions on the electrochemical properties of mangrove wood-derived hard carbon as an effective anode material for lithium-ion batteries",
abstract = "Anodic hard carbon for lithium-ion batteries with high discharge capacity was successfully developed using mangrove green tree as a cheap raw material. To obtain commercial-level first-cycle Coulombic efficiency, the effects of heat pre-treatment in the low temperature range of 450–600 °C at various pressures, to produce optimized char precursor before carbonization, were closely investigated, focusing on synthetic yield, structural and physical properties, first-cycle Coulombic efficiency, and discharge capacity of the resulting hard carbon. The hard carbon with heat pre-treatment involving optimum fabrication conditions of 500 °C in inner gas at 0.7 MPa for 39 days exhibited higher synthetic yield of 30.0 wt{\%} and better first-cycle Coulombic efficiency of 81{\%} and discharge capacity of 424 mAh/g than that prepared through direct one-step carbonization, due to low H/C and Odiff/C ratios and a pore structure promoting lithium-ion insertion/desertion.",
author = "Han, {Yu Jin} and Dabin Chung and Koji Nakabayashi and Chung, {Jin Do} and Jin Miyawaki and Yoon, {Seong Ho}",
year = "2016",
month = "9",
day = "20",
doi = "10.1016/j.electacta.2016.07.138",
language = "English",
volume = "213",
pages = "432--438",
journal = "Electrochimica Acta",
issn = "0013-4686",
publisher = "Elsevier Limited",

}

TY - JOUR

T1 - Effect of heat pre-treatment conditions on the electrochemical properties of mangrove wood-derived hard carbon as an effective anode material for lithium-ion batteries

AU - Han, Yu Jin

AU - Chung, Dabin

AU - Nakabayashi, Koji

AU - Chung, Jin Do

AU - Miyawaki, Jin

AU - Yoon, Seong Ho

PY - 2016/9/20

Y1 - 2016/9/20

N2 - Anodic hard carbon for lithium-ion batteries with high discharge capacity was successfully developed using mangrove green tree as a cheap raw material. To obtain commercial-level first-cycle Coulombic efficiency, the effects of heat pre-treatment in the low temperature range of 450–600 °C at various pressures, to produce optimized char precursor before carbonization, were closely investigated, focusing on synthetic yield, structural and physical properties, first-cycle Coulombic efficiency, and discharge capacity of the resulting hard carbon. The hard carbon with heat pre-treatment involving optimum fabrication conditions of 500 °C in inner gas at 0.7 MPa for 39 days exhibited higher synthetic yield of 30.0 wt% and better first-cycle Coulombic efficiency of 81% and discharge capacity of 424 mAh/g than that prepared through direct one-step carbonization, due to low H/C and Odiff/C ratios and a pore structure promoting lithium-ion insertion/desertion.

AB - Anodic hard carbon for lithium-ion batteries with high discharge capacity was successfully developed using mangrove green tree as a cheap raw material. To obtain commercial-level first-cycle Coulombic efficiency, the effects of heat pre-treatment in the low temperature range of 450–600 °C at various pressures, to produce optimized char precursor before carbonization, were closely investigated, focusing on synthetic yield, structural and physical properties, first-cycle Coulombic efficiency, and discharge capacity of the resulting hard carbon. The hard carbon with heat pre-treatment involving optimum fabrication conditions of 500 °C in inner gas at 0.7 MPa for 39 days exhibited higher synthetic yield of 30.0 wt% and better first-cycle Coulombic efficiency of 81% and discharge capacity of 424 mAh/g than that prepared through direct one-step carbonization, due to low H/C and Odiff/C ratios and a pore structure promoting lithium-ion insertion/desertion.

UR - http://www.scopus.com/inward/record.url?scp=84979763311&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84979763311&partnerID=8YFLogxK

U2 - 10.1016/j.electacta.2016.07.138

DO - 10.1016/j.electacta.2016.07.138

M3 - Article

AN - SCOPUS:84979763311

VL - 213

SP - 432

EP - 438

JO - Electrochimica Acta

JF - Electrochimica Acta

SN - 0013-4686

ER -