Hydrothermal synthesis of LiFePO4 micro-particles for fabrication of cathode materials based on LiFePO4/carbon nanotubes nanocomposites for Li-ion batteries

Kanagaraj Amarsingh Bhabu; Al Shibli Hamda; Alkindi Tawaddod Saif; Susantyoko Rahmat Agung; An Boo Hyun; AlMheiri Saif; AlDahmani Sultan; Fadaq Hamed; Choi Daniel S.

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Hydrothermal synthesis of LiFePO4 micro-particles for fabrication of cathode materials based on LiFePO4/carbon nanotubes nanocomposites for Li-ion batteries

机译：LiFepo4微粒的水热合成用于基于Li-离子电池的LiFePO4 /碳纳米管纳米复合材料制备用于制备阴极材料

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Lithium iron phosphate (LiFePO4) micro-particles (MPs) were synthesized under hydrothermal condition for fabrication of cathode materials based on LiFePO4 MPs/multi-walled carbon nanotube (MWCNT) nanocomposites. Influence of reaction time for the hydrothermal process on structural, morphological, and electrochemical behavior was investigated. Crystal quality was confirmed by X-ray diffraction (XRD) together with Raman analysis. Micrometer-scale seeds and capsule-shaped morphology were observed. Such nanocomposite cathodes based on LiFePO4 MPs/MWCNT were prepared by surface-engineered tape casting technique. The well-crystallized material composed of densely aggregated MPs and interconnected with MWCNTs led to excellent volumetric Li storage properties at a current rate of 0.1mVs(-1) between 2.5 to 4.3V. However, the half-cell analysis does not show reasonable capacity values, which may be due to the larger particle size and morphology of synthesized LiFePO4, resulting in limiting ionic transportation and electronic conduction path.

机译：磷酸铁锂（LiFePO4）微粒（MPS）在水热条件下合成，用于基于LiFePO4 MPS /多壁碳纳米管（MWCNT）纳米复合材料的阴极材料制备。研究了对水热过程对结构，形态学和电化学行为的影响。 X射线衍射（XRD）与拉曼分析一起证实了晶体质量。观察千分尺寸的种子和胶囊形态。通过表面设计的胶带铸造技术制备基于LiFePO4 MPS / MWCNT的这种纳米复合材料。由密集聚集的MPS组成并与MWCNT互连的良结晶材料导致优异的体积LI储存性能，其电流速率为0.1mV（-1）之间的2.5至4.3V。然而，半电池分析不显示合理的容量值，这可能是由于合成的LiFepo4的较大粒度和形态，导致离子运输和电子传导路径限制。

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来源
《Ionics》 |2018年第11期|共6页
作者
Kanagaraj Amarsingh Bhabu; Al Shibli Hamda; Alkindi Tawaddod Saif; Susantyoko Rahmat Agung; An Boo Hyun; AlMheiri Saif; AlDahmani Sultan; Fadaq Hamed; Choi Daniel S.;
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作者单位

Khalifa Univ Sci &

Technol Masdar Inst Sci &

Technol Mech &

Mat Engn POB 54224 Abu Dhabi U Arab Emirates;

Khalifa Univ Sci &

Technol Masdar Inst Sci &

Technol Mech &

Mat Engn POB 54224 Abu Dhabi U Arab Emirates;

Khalifa Univ Sci &

Technol Masdar Inst Sci &

Technol Mech &

Mat Engn POB 54224 Abu Dhabi U Arab Emirates;

Khalifa Univ Sci &

Technol Masdar Inst Sci &

Technol Mech &

Mat Engn POB 54224 Abu Dhabi U Arab Emirates;

Khalifa Univ Sci &

Technol Masdar Inst Sci &

Technol Mech &

Mat Engn POB 54224 Abu Dhabi U Arab Emirates;

Khalifa Univ Sci &

Technol Masdar Inst Sci &

Technol Mech &

Mat Engn POB 54224 Abu Dhabi U Arab Emirates;

United Arab Emirates Space Agcy Space Missions Sci &

Technol Directorate POB 7133 Abu Dhabi U Arab Emirates;

United Arab Emirates Space Agcy Space Missions Sci &

Technol Directorate POB 7133 Abu Dhabi U Arab Emirates;

Khalifa Univ Sci &

Technol Masdar Inst Sci &

Technol Mech &

Mat Engn POB 54224 Abu Dhabi U Arab Emirates;

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原文格式 PDF
正文语种 eng
中图分类等离子体物理学;
关键词
LiFePO4; Hydrothermal; Micro seeds; Charge-discharge;

机译：LiFepo4;水热;微粒;充电 - 放电;

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专利

1. Hydrothermal synthesis of LiFePO4 micro-particles for fabrication of cathode materials based on LiFePO4/carbon nanotubes nanocomposites for Li-ion batteries [J] . Kanagaraj Amarsingh Bhabu, Al Shibli Hamda, Alkindi Tawaddod Saif, Ionics . 2018,第11期

机译：LiFepo4微粒的水热合成用于基于Li-离子电池的LiFePO4 /碳纳米管纳米复合材料制备用于制备阴极材料
2. Synthesis and characterization of LiFePO4/3-dimeEsional carbon nanostructure composites as possible cathode materials for Li-ion batteries [J] . Lucangelo Dimesso, Christina Spanheimer, Susanne Jacke Ionics . 2011,第5期

机译：LiFePO4 / 3-dimeEsional碳纳米结构复合材料的合成与表征，可作为锂离子电池的正极材料
3. Controllable synthesis of high loading LiFePO4/C nanocomposites using bimodal mesoporous carbon as support for high power Li-ion battery cathodes [J] . Fei Cheng, Duo Li, Anhui Lu, 天然气化学（英文版） . 2013,第006期

机译：使用双峰介孔碳作为高功率锂离子电池阴极的载体，可控制合成高负载LiFePO4 / C纳米复合材料
4. The Effects of Carbon Nanotubes on the Electrochemical Performance of LiFePO4 Composite Cathode Materials for Li-ion Batteries [C] . Haiyan Zhang, Qiyan Ran, Yuting Chen, 2013 International conference on materials for renewable energy amp; environment . 2013

机译：碳纳米管对锂离子电池用LiFePO4复合正极材料电化学性能的影响
5. A Study of LiFePO4 Cathode Material with Carbon Nanomaterial Additives for Li-Ion Batteries [D] . ?Adepoju, Adewale A. 2019

机译：锂离子电池碳纳米材料添加剂的LiFepo4阴极材料研究
6. Facile One-Step Dynamic Hydrothermal Synthesis of Spinel LiMn2O4/Carbon Nanotubes Composite as Cathode Material for Lithium-Ion Batteries [O] . Chaoqi Shen, Hui Xu, Liu Liu, 2019

机译：锂离子电池正极材料尖晶石LiMn2O4 /碳纳米管的快速一步动态水热合成
7. Controllable synthesis of high loading LiFePO4/C nanocomposites using bimodal mesoporous carbon as support for high power Li-ion battery cathodes [O] . Fei Cheng, Duo Li, Anhui Lu, 2013

机译：使用双峰介孔碳的高负荷LiFePO4 / C纳米复合材料的可控合成作为高功率锂离子电池阴极的支撑

Hydrothermal synthesis of LiFePO4 micro-particles for fabrication of cathode materials based on LiFePO4/carbon nanotubes nanocomposites for Li-ion batteries

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