scholarly journals Structure–property insights into nanostructured electrodes for Li-ion batteries from local structural and diffusional probes

2018 ◽  
Vol 6 (1) ◽  
pp. 127-137 ◽  
Author(s):  
Josefa Vidal Laveda ◽  
Beth Johnston ◽  
Gary W. Paterson ◽  
Peter J. Baker ◽  
Matthew G. Tucker ◽  
...  
Keyword(s):  
Microwave Heating ◽  
Lower Energy ◽  
Functional Materials ◽  
Li Ion Batteries ◽  
Structure Property ◽  
Synthetic Methodology ◽  
Nanostructured Electrodes ◽  
Li Ion

Microwave heating presents a faster, lower energy synthetic methodology for the realization of functional materials.

SYNTHESIS OF SPHERICAL LiFePO4 PARTICLES BY INTERMITTENT MICROWAVE HEATING ASSISTED WATER-BATH REACTION

2011 ◽  
Vol 04 (03) ◽  
pp. 209-215 ◽  
Author(s):  
PEI KANG SHEN ◽  
HONGLI ZOU ◽  
HUI MENG ◽  
MINGMEI WU
Keyword(s):  
Microwave Heating ◽  
Electric Vehicles ◽  
High Performance ◽  
Specific Capacity ◽  
Water Bath ◽  
Li Ion Batteries ◽  
Li Ion Battery ◽  
Tap Density ◽  
Mass Transfer Kinetics ◽  
Li Ion

Highly ordered spherical LiFePO4 is synthesized by an intermittent microwave heating assisted water-bath reaction and the resulted LiFePO4 shows high tap-density of 2.0 g cm-3 and volumetric specific capacity of 325 mAh cm-3 when used as cathode material in Li-ion battery. The high performance of the ordered spherical LiFePO4 is explained in terms of the high conductivity and the improved mass transfer kinetics. Such highly ordered spherical LiFePO4 with improved volumetric specific capacity will be potentially used in the high-power Li-ion batteries for electric vehicles.

Fabrication and Characterization of Nanostructured Cathodes for Li-Ion Batteries

2016 ◽  
Author(s):  
Piyush D. Jibhakate ◽  
George J. Nelson
Keyword(s):  
Process Parameters ◽  
Sol Gel ◽  
Synthesis Method ◽  
Precursor Solution ◽  
Li Ion Batteries ◽  
Substrate Selection ◽  
Spinel Limn2o4 ◽  
Nanostructured Electrodes ◽  
Li Ion ◽  
Definition Of

Li-ion batteries have emerged as a leading energy storage technology for several applications including portable electronics devices and electric vehicles. Rigorous efforts are made to develop these batteries with higher energy density, higher power density, and better cycling stability while reducing cost and environmental impact. To better understand how electrode microstructure contributes to the electrode performance, the spinel LiMn2O4 (LMO) cathode material was prepared using a template-assisted sol-gel synthesis method. This method involves soaking of polycarbonate template membranes in the precursor solution followed by drying, to remove the solvent. The dried templates containing precursor materials were etched in an oxygen plasma to remove the template, and the nanostructured electrode formed was then calcined to convert these nanostructures to spinel LiMn2O4. Simultaneously, powdered LMO was prepared using the same synthesis procedure, but without the aid of a template to control electrode morphology. A series of tests were performed to study the effect of processing conditions on the structure and morphology of the nanostructured electrodes. The resulting electrodes were characterized using X-ray diffraction (XRD) and scanning electron microscope (SEM) in support of efforts to understand the effects of process parameters on the electrochemical performance of the electrode. The template assisted synthesis approach yielded an electrode of well-defined nanotubules. Extending the template soaking time was found to provide better definition of individual tubule structures. Increasing calcination temperature was found to create a better defined spinel structure for the LMO. These observations provide insight into process parameters relevant to electrode preparation and substrate selection when producing nanostructured electrodes using template-assisted methods.

scholarly journals One-step synthesis of a silicon/hematite@carbon hybrid nanosheet/silicon sandwich-like composite as an anode material for Li-ion batteries

2016 ◽  
Vol 4 (11) ◽  
pp. 4056-4061 ◽  
Author(s):  
Lei Zhang ◽  
Haipeng Guo ◽  
Ranjusha Rajagopalan ◽  
Xianluo Hu ◽  
Yunhui Huang ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Anode Material ◽  
Anode Materials ◽  
Lithium Ion ◽  
Functional Materials ◽  
Li Ion Batteries ◽  
One Step ◽  
High Theoretical Capacity ◽  
Li Ion

Silicon and hematite, both important functional materials with high theoretical capacity, have been intensively investigated separately for application as anode materials in lithium ion batteries (LIBs).

Surface Coating of NMC811 with Four Functional Materials for Next-Generation Li-Ion Batteries

2021 ◽  
Vol MA2021-01 (4) ◽  
pp. 248-248
Author(s):  
Nichakarn Anansuksawat ◽  
Poramane Chiochan ◽  
Salatan Duangdangchote ◽  
Farkfun Duriyasart ◽  
Chonticha Jangsan ◽  
...  
Keyword(s):  
Surface Coating ◽  
Functional Materials ◽  
Li Ion Batteries ◽  
Next Generation ◽  
Li Ion

Synthesis and characterization of novel Li-stuffed garnet-like Li5+2xLa3Ta2−xGdxO12 (0 ≤ x ≤ 0.55): structure–property relationships

2017 ◽  
Vol 46 (3) ◽  
pp. 933-946 ◽  
Author(s):  
Dalia M. Abdel Basset ◽  
Suresh Mulmi ◽  
Mohammed S. El-Bana ◽  
Suzan S. Fouad ◽  
Venkataraman Thangadurai
Keyword(s):  
Solid State ◽  
Synthesis And Characterization ◽  
Li Ion Batteries ◽  
Structure Property ◽  
Structure Property Relationships ◽  
Li Ion

In this article, we report the preparation and characterization of novel Li-stuffed garnets Li5+2xLa3Ta2−xGdxO12 (0 ≤ x ≤ 0.55) for all-solid-state Li ion batteries.

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