Study on Prelithiation Technology of Hard Carbon Electrode Using Stable Metal Lithium Powder

Yan Xian Sun; Hong Min Guan; Zhao Hua Jiang; Zhen Bo Wang

doi:10.1115/1.4041980

Study on Prelithiation Technology of Hard Carbon Electrode Using Stable Metal Lithium Powder

Yan Xian Sun^*
, Hong Min Guan
, Zhao Hua Jiang
, Zhen Bo Wang

^*Corresponding author for this work

School of Chemistry and Chemical Engineering, Harbin Institute of Technology
Zhejiang Cactus Science and Technology Co., Ltd.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

The prelithiation of hard carbon electrode using stable metal lithium powder to compensate the lithium loss during the first lithium insertion is studied in this work. The results show that when the pressure on lithium powder surface is 6 MPa, the Li₂CO₃ protective layer on the surface of stable metal lithium powder is completely squeezed, which is conducive due to the full contact between the metal lithium and the hard carbon. The prelithiation of hard carbon has little effect on the initial charge capacity and cycle life. Both the pre-lithium capacity and the utilization efficiency of lithium powder increase with the increasing of the lithium powder content, and when the amount of lithium powder is 3g m^-2, the utilization efficiency of lithium powder is 56%.

Original language	English
Article number	021007
Journal	Journal of Electrochemical Energy Conversion and Storage
Volume	16
Issue number	2
DOIs	https://doi.org/10.1115/1.4041980
State	Published - 1 May 2019
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

hard carbon
prelithiation
pressure
stable lithium metal powder

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10.1115/1.4041980

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title = "Study on Prelithiation Technology of Hard Carbon Electrode Using Stable Metal Lithium Powder",

abstract = "The prelithiation of hard carbon electrode using stable metal lithium powder to compensate the lithium loss during the first lithium insertion is studied in this work. The results show that when the pressure on lithium powder surface is 6 MPa, the Li2CO3 protective layer on the surface of stable metal lithium powder is completely squeezed, which is conducive due to the full contact between the metal lithium and the hard carbon. The prelithiation of hard carbon has little effect on the initial charge capacity and cycle life. Both the pre-lithium capacity and the utilization efficiency of lithium powder increase with the increasing of the lithium powder content, and when the amount of lithium powder is 3g m-2, the utilization efficiency of lithium powder is 56\%.",

keywords = "hard carbon, prelithiation, pressure, stable lithium metal powder",

author = "Sun, \{Yan Xian\} and Guan, \{Hong Min\} and Jiang, \{Zhao Hua\} and Wang, \{Zhen Bo\}",

note = "Publisher Copyright: Copyright {\textcopyright} 2019 by ASME.",

year = "2019",

month = may,

day = "1",

doi = "10.1115/1.4041980",

language = "英语",

volume = "16",

journal = "Journal of Electrochemical Energy Conversion and Storage",

issn = "2381-6872",

publisher = "American Society of Mechanical Engineers (ASME)",

number = "2",

}

TY - JOUR

T1 - Study on Prelithiation Technology of Hard Carbon Electrode Using Stable Metal Lithium Powder

AU - Sun, Yan Xian

AU - Guan, Hong Min

AU - Jiang, Zhao Hua

AU - Wang, Zhen Bo

PY - 2019/5/1

Y1 - 2019/5/1

N2 - The prelithiation of hard carbon electrode using stable metal lithium powder to compensate the lithium loss during the first lithium insertion is studied in this work. The results show that when the pressure on lithium powder surface is 6 MPa, the Li2CO3 protective layer on the surface of stable metal lithium powder is completely squeezed, which is conducive due to the full contact between the metal lithium and the hard carbon. The prelithiation of hard carbon has little effect on the initial charge capacity and cycle life. Both the pre-lithium capacity and the utilization efficiency of lithium powder increase with the increasing of the lithium powder content, and when the amount of lithium powder is 3g m-2, the utilization efficiency of lithium powder is 56%.

AB - The prelithiation of hard carbon electrode using stable metal lithium powder to compensate the lithium loss during the first lithium insertion is studied in this work. The results show that when the pressure on lithium powder surface is 6 MPa, the Li2CO3 protective layer on the surface of stable metal lithium powder is completely squeezed, which is conducive due to the full contact between the metal lithium and the hard carbon. The prelithiation of hard carbon has little effect on the initial charge capacity and cycle life. Both the pre-lithium capacity and the utilization efficiency of lithium powder increase with the increasing of the lithium powder content, and when the amount of lithium powder is 3g m-2, the utilization efficiency of lithium powder is 56%.

KW - hard carbon

KW - prelithiation

KW - pressure

KW - stable lithium metal powder

UR - https://www.scopus.com/pages/publications/85058229922

U2 - 10.1115/1.4041980

DO - 10.1115/1.4041980

M3 - 文章

AN - SCOPUS:85058229922

SN - 2381-6872

VL - 16

JO - Journal of Electrochemical Energy Conversion and Storage

JF - Journal of Electrochemical Energy Conversion and Storage

IS - 2

M1 - 021007

ER -

Study on Prelithiation Technology of Hard Carbon Electrode Using Stable Metal Lithium Powder

Abstract

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Keywords

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