Synthesis and electrochemical properties of multi-layered SnO/rGO composite as anode materials for sodium ion batteries

被引：8

作者：

Lee, So Yi ^{[1
,2
]}

Seong, Honggyu ^{[1
,2
]}

Kim, Geongil ^{[1
,2
]}

Jin, Youngho ^{[1
,2
]}

Ha Moon, Joon ^{[1
,2
]}

Nam, Wonbin ^{[1
,2
]}

Kim, Sung Kuk ^{[1
,2
]}

Yang, MinHo ^{[3
]}

Choi, Jaewon ^{[1
,2
]}

机构：

[1] Gyeongsang Natl Univ, Dept Chem, Jinju 52828, South Korea

[2] Gyeongsang Natl Univ, Res Inst Nat Sci, Jinju 52828, South Korea

[3] Dankook Univ, Dept Energy Engn, Cheonan 31116, South Korea

来源：

APPLIED SURFACE SCIENCE | 2023年 / 612卷

基金：

新加坡国家研究基金会;

关键词：

Anode materials; Sodium ion batteries; Ex-situ XRD; Sodium storage mechanism; SnO; Reduced Graphene Oxide; REDUCED GRAPHENE OXIDE; TIN OXIDE; CYCLING STABILITY; HIGH-CAPACITY; PERFORMANCE; SNO; LI; NANOSHEETS; NANOWIRES; SPHERES;

D O I：

10.1016/j.apsusc.2022.155859

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Metal oxide-based anodes have gained attention with their high theoretical capacity for Sodium-Ion Batteries (SIBs). However, their practical application is restricted due to huge volume expansion and low electronic conductivity caused by continuous cycling. This paper uses tin oxide/reduced graphene oxide (SnO/rGO) composites to solve the problems of low discharge capacity and poor cycling stability. The SnO/rGO nano -composite electrode exhibits improved specific capacity, superior stability, and excellent rate property (a discharge capacity of 391.9 mAh/g at 100 mA/g after 120 cycles with capacity retention of 96.2 % and 338.7 mAh/g at 500 mA/g after 500 cycles with capacity retention of 92.2 %). Also, ex-situ XRD measurements are conducted to analyze the Na+ storage process in SnO. This study aims to expand the prospects of SnO/rGO nanocomposite anode for application in SIBs.

引用

页数：9