N-doped carbon-coated TiN nanotube as a sulfur host for Li-S battery

被引：0

作者：

Ren, Haibo ^{[1
]}

Pan, Hui ^{[1
]}

Dong, Xumeng ^{[1
]}

Meng, Chunyu ^{[2
]}

Joo, Sang Woo ^{[3
]}

Huang, Jiarui ^{[2
]}

机构：

[1] Anhui Polytech Univ, Modern Technol Ctr, Sch Mat Sci & Engn, Wuhu 241000, Anhui, Peoples R China

[2] Anhui Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Mol Solids, Minist Educ, Wuhu 241002, Anhui, Peoples R China

[3] Yeungnam Univ, Sch Mech Engn, Gyeongbuk 38541, Gyeongsangbuk D, South Korea

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2023年 / 968卷

基金：

新加坡国家研究基金会;

关键词：

TiN; Nanotube; N-doped carbon; Shuttle effect; Li-S battery; PERFORMANCE; COMPOSITE; CONVERSION; NANOPARTICLES; SEPARATOR; GRAPHENE;

D O I：

10.1016/j.jallcom.2023.172188

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：

Shuttle effect and slow redox reactions in Li-S battery limit its commercial application. Herein, TiN nanotubes with N-doped carbon coating (TiN/N-C NT) were obtained via MoO3 nanorod template-assistant hydrothermal method and followed by polydopamine coating and carbonization/nitriding. When used as sulfur host, the tubular structure buffers the volume change in lithiation process and shortens Li+ transfer route. Consequently, the TiN/N-C NT cathode exhibits a high capacity of 1010.3 mAh g  1 over 100 cycles at 0.1 A g  1. It provides a low capacity decay rate of 0.057 % per cycle over 500 cycles at a high current density of 1.0 A g  1. This study provides a promising method for preparing high-performance Li-S battery.

引用

页数：11

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