Title

Strategy to suppress Hydrogen Evolution in Aqueous Lithium-ion Batteries with SEI forming Additives

Alternative Title

SEI 형성 첨가제를 이용한 수계 전해질에서의 수소 발생 억제 방법

DGIST Authors

Yoonseok Ko ; Hochun Lee ; Hongkyoung Lee

Advisor

이호춘

Co-Advisor(s)

Hongkyoung Lee

Issued Date

2022

Awarded Date

2022/02

Citation

Yoonseok Ko. (2022). Strategy to suppress Hydrogen Evolution in Aqueous Lithium-ion Batteries with SEI forming Additives. doi: 10.22677/thesis.200000597130

Type

Thesis

Subject

Aqueous electrolytes, Potassium persulfate, Electrochemical stability, Hydrogen evolution reaction, SEI layer

Description

Aqueous electrolytes, Potassium persulfate, Electrochemical stability, Hydrogen evolution reaction, SEI layer

Table Of Contents

Ⅰ. Introduction 1
Ⅱ. Experimental 5
2.1 Material preparation 5
2.2 Electrochemical measurements 5
2.3 Material characterization 6
Ⅲ. Results and discussion 7
3.1 Electrochemical properties 7
3.1.1 Electrochemical stability window 7
3.1.2 Cycle performance 10
3.1.3 SEI stability 12
3.2 Surface analysis 13
3.2.1 Image of SEI layers 13
3.2.2 Surface composition of LTO electrodes 16
Ⅳ. Conclusion 20
References 21

URI

http://dgist.dcollection.net/common/orgView/200000597130
http://hdl.handle.net/20.500.11750/16328

DOI

10.22677/thesis.200000597130

Degree

Master

Department

Energy Science & Engineering

Publisher

DGIST

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