Synthesis of Li3V2(PO4)3/C for use as the cathode material in lithium ion batteries using polyvinylidene fluoride as the source of carbon

2015 ◽  
Vol 39 (4) ◽  
pp. 2627-2632 ◽  
Author(s):  
Lingfang Li ◽  
Changling Fan ◽  
Xiang Zhang ◽  
Taotao Zeng ◽  
Weihua Zhang ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Cathode Material ◽  
Lithium Ion Batteries ◽  
Polyvinylidene Fluoride ◽  
Carbon Film ◽  
Lithium Ion ◽  
Thin Carbon ◽  
Thin Carbon Film

The Li3V2(PO4)3/C cathode, prepared using PVDF as the source of carbon, is covered by a thin carbon film and has an excellent conductivity and electrochemical performance.

scholarly journals The Synthesis and Electrochemical Performance of Si Composite with Hollow Carbon Microtubes by the Carbonization of Milkweed from Nature as Anode Template for Lithium Ion Batteries

Energies ◽  
2020 ◽  
Vol 13 (19) ◽  
pp. 5124
Author(s):  
Eun Hyuk Chung ◽  
Jong Pil Kim ◽  
Hyun Gyu Kim ◽  
Jae-Min Chung ◽  
Sei-Jin Lee ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Electrical Conductivity ◽  
Electrochemical Performance ◽  
Pore Size ◽  
Lithium Ion Batteries ◽  
Polyvinylidene Fluoride ◽  
Lithium Ion ◽  
Size Analysis ◽  
Pore Size Analysis ◽  
Hollow Carbon

It has been reported that improving electrical conductivity and maintaining stable structure during discharge/charge process are challenge for Si to be used as an anode for lithium ion batteries (LIB). To address this problem, milkweed (MW) was carbonized to prepare hollow carbon microtubes (HCMT) derived from biomass as an anode template for LIB. In order to improve electrical conductivity, various materials such as chitosan (CTS), agarose, and polyvinylidene fluoride (PVDF) are used as carbon source (C1, C2, and C3) by carbonization. Carbon coated HCMT@Si composits, HCMT@Si@C1, HCMT@Si@C1@C2, and HCMT@Si@C1@C3, have been successfully synthesized. Changes in structure and crystallinity of HCMT@Si composites were characterized by using X-ray diffraction (XRD). Specific surface area for samples was calculated by using BET (Brunauer–Emmett–Teller). Also, pore size and particle size were obtained by particle and pore size analysis system. The surface morphology was evaluated using high resolution scanning electron microscopy (HR-SEM), Field Emission transmission electron microscopy (TEM). The thermal properties of HCMT@Si composites were analyzed by thermogravimetric analysis (TGA). Our research was performed to study the synthesis and electrochemical performance of Si composite with HCMT by the carbonization of natural micro hollow milkweed to form an inner space. After carbonization at 900 °C for 2 h in N2 flow, inner diameter of HCMT obtained was about 10 μm. The electrochemical tests indicate that HCMT@Si@C1@C3 exhibits discharge capacity of 932.18 mAh/g at 0.5 A/g after 100 cycles.

Facile synthesis and characterization of a SnO2-modified LiNi0.5Mn1.5O4 high-voltage cathode material with superior electrochemical performance for lithium ion batteries

2017 ◽  
Vol 19 (15) ◽  
pp. 9983-9991 ◽  
Author(s):  
Feng Ma ◽  
Fushan Geng ◽  
Anbao Yuan ◽  
Jiaqiang Xu
Keyword(s):  
Electrochemical Performance ◽  
Cathode Material ◽  
Lithium Ion Batteries ◽  
High Voltage ◽  
Lithium Ion ◽  
Synthesis And Characterization ◽  
Synthetic Method ◽  
Facile Synthesis ◽  
Li Ion

The SnO2-modified LiNi0.5Mn1.5O4 high-voltage Li-ion cathode material exhibits superior electrochemical performance, and the synthetic method has the advantage of being facile.

Cathode material LiNi0.8Co0.1Mn0.1O2/LaPO4 with high electrochemical performance for lithium-ion batteries

2018 ◽  
Vol 764 ◽  
pp. 44-50 ◽  
Author(s):  
Hui Tong ◽  
Pengyuan Dong ◽  
Jiafeng Zhang ◽  
Junchao Zheng ◽  
Wanjing Yu ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Cathode Material ◽  
Lithium Ion Batteries ◽  
Lithium Ion
Sign in / Sign up

Export Citation Format

Share Document