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作者:

Saddique, Jaffer (Saddique, Jaffer.) | Shen, Honglie (Shen, Honglie.) | Ge, Jiawei (Ge, Jiawei.) | Huo, Xiaomin (Huo, Xiaomin.) | Rahman, Nasir (Rahman, Nasir.) | Mushtaq, Muhammad (Mushtaq, Muhammad.) | Althubeiti, Khaled (Althubeiti, Khaled.) | Al-Shehri, Hamza (Al-Shehri, Hamza.)

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EI Scopus SCIE

摘要:

Tin oxide (SnO2) and tin-based composites along with carbon have attracted significant interest as negative electrodes for lithium-ion batteries (LIBs). However, tin-based composite electrodes have some critical drawbacks, such as high volume expansion, low capacity at high current density due to low ionic conductivity, and poor cycle stability. Moreover, complex preparation methods and high-cost carbon coating procedures are considered main challenges in the commercialization of tin-based electrodes for LIBs. In this study, we prepared a Sn/SnO2/C nano-composite structure by employing a low-cost hydrothermal method, where Sn nanoparticles were oxidized in glucose and carboxymethyl cellulose CMC was introduced into the solution. Scanning electron microscope (SEM) and transmission electron microscope revealed the irregular structure of Sn nanoparticles and SnO2 phases in the conductive carbon matrix. The as-prepared Sn/SnO2/C nano-composite showed high first-cycle reversible discharge capacity (2248 mAhg(-1)) at 100 mAg(-1) with a first coulombic efficiency of 70%, and also displayed 474.64 mAhg(-1) at the relatively high current density of about 500 mAg(-1) after 100 cycles. A low-cost Sn/SnO2/C nano-composite with significant electrochemical performance could be the next generation of high-performance negative electrodes for LIBs.

关键词:

SnO2 energy storage C composite anode material synthesis lithium-ion battery (LIBs) electrochemical performance Sn

作者机构:

  • [ 1 ] [Saddique, Jaffer]Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Jiangsu Key Lab Mat & Technol Energy Convers, Nanjing 210016, Peoples R China
  • [ 2 ] [Shen, Honglie]Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Jiangsu Key Lab Mat & Technol Energy Convers, Nanjing 210016, Peoples R China
  • [ 3 ] [Ge, Jiawei]Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Jiangsu Key Lab Mat & Technol Energy Convers, Nanjing 210016, Peoples R China
  • [ 4 ] [Huo, Xiaomin]Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Jiangsu Key Lab Mat & Technol Energy Convers, Nanjing 210016, Peoples R China
  • [ 5 ] [Rahman, Nasir]Univ Lakki Marwat, Dept Phys, Lakki Marwat 28420, Khyber Pakhtunk, Pakistan
  • [ 6 ] [Mushtaq, Muhammad]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Educ Minist China, Beijing 100124, Peoples R China
  • [ 7 ] [Althubeiti, Khaled]Taif Univ, Dept Chem, Coll Sci, POB 11099, At Taif 21944, Saudi Arabia
  • [ 8 ] [Al-Shehri, Hamza]King Khaled Mil Acad, Div Chem, SANG, Riyadh 11495, Saudi Arabia

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来源 :

MATERIALS

年份: 2022

期: 7

卷: 15

3 . 4

JCR@2022

3 . 4 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:66

JCR分区:2

中科院分区:3

被引次数:

WoS核心集被引频次: 5

SCOPUS被引频次: 7

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

近30日浏览量: 2

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