Contents
Challenges and design strategies for conversion-based anode materials for lithium- and sodium-ion batteries / Hyunwoo Kim ; Dong In Kim ; Won-Sub Yoon 1
ABSTRACT 1
1. Introduction 1
2. Charge storage behaviors of conversion-based anode materials 2
2.1. Ion storage reaction mechanism 2
2.2. Microstructural changes during conversion reaction 3
3. Conversion-based metal compounds 5
3.1. Oxides 6
3.2. Other chalcogenides 7
3.3. Nitrides and phosphides 7
3.4. Polyanionic compounds 8
4. Issues related to conversion-based anode materials 8
4.1. Initial capacity loss (ICL) 8
4.2. Voltage hysteresis 9
4.3. Capacity fading 10
5. Strategies for improving the performance of conversion-based anode materials 10
5.1. Nanoscale Engineering 10
5.2. Surface coating 12
5.3. Electrolyte additives 13
5.4. Polymorph control 14
5.5. Introducing extra catalytic elements 15
5.6. Utilizing abnormal charge storage reaction 16
6. Conclusions 18
References 18