Highly crystalline antimony oxide octahedron: an efficient anode for sodium-ion batteries

被引：5

作者：

Kalubarme, Ramchandra S. ^{[1
,2
,3
]}

Park, Chan-Jin ^{[4
]}

Kale, Bharat B. ^{[3
]}

Gosavi, Suresh W. ^{[2
]}

机构：

[1] Ctr Mat Elect Technol, PO Mulangunnathukavu, Trichur 680581, India

[2] Savitribai Phule Pune Univ, Ctr Adv Studies Mat Sci & Solid State Phys, Dept Phys, Ganeshkhind, Pune 411007, Maharashtra, India

[3] Ctr Mat Elect Technol, Opp Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India

[4] Chonnam Natl Univ, Dept Mat Sci & Engn, 77 Yongbong Ro, Gwangju 61186, South Korea

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2021年 / 32卷 / 03期

关键词：

LONG CYCLE LIFE; LITHIUM-ION; ELECTROCHEMICAL RECONSTRUCTION; HIGH-CAPACITY; BULK SB; PERFORMANCE; STORAGE; HYBRID; SB2O3; COMPOSITES;

D O I：

10.1007/s10854-020-05125-5

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Sodium-ion batteries are being explored as an alternative to the Li-ion batteries, due to the abundance of Na and similar electrochemistry with that of Li. In this study, we report the electrochemical activity of octahedron-like antimony trioxide nanostructures for Na-ion batteries, prepared with the simple hydrothermal oxidation of antimony precursor in alkaline condition. The microstructure reveals the formation of octahedron-like microcrystals with cubic antimony trioxide phase. In Na-ion cells, the antimony trioxide electrode exhibits a reversible specific capacity of 623 mAh g(-1) on the first charge and long cycle stability of 200 cycles losing only 9% capacity. The exceptional electrochemical performance achieved by antimony trioxide is owing to the conversion and alloying reactions mechanism, which accelerates the kinetics of the reactions by stabilizing the structure of anode material.

引用

页码：3809 / 3818

页数：10

共 37 条

[1] Challenges for Na-ion Negative Electrodes [J].