scholarly journals Association and Diffusion of Li+in Carboxymethylcellulose Solutions for Environmentally Friendly Li-ion Batteries

ChemSusChem ◽  
2016 ◽  
Vol 9 (14) ◽  
pp. 1804-1813 ◽  
Author(s):  
Mosè Casalegno ◽  
Franca Castiglione ◽  
Marco Passarello ◽  
Andrea Mele ◽  
Stefano Passerini ◽  
...  
Keyword(s):  
Environmentally Friendly ◽  
Li Ion Batteries ◽  
Li Ion ◽  
And Diffusion

Comparative Studies on VS2 Bilayer and VS2/Graphene Heterostructure as the Anodes of Li Ion Battery

2021 ◽  
Vol 894 ◽  
pp. 61-66
Author(s):  
Rui Zhi Dong
Keyword(s):  
Binding Energy ◽  
Diffusion Barrier ◽  
First Principles ◽  
Electronic Devices ◽  
Lithium Ion ◽  
First Principles Calculations ◽  
Li Ion Batteries ◽  
Capacity Loss ◽  
Li Ion ◽  
And Diffusion

Due to the development of various mobile electronic devices, such as electric vehicles, rechargeable ion batteries are becoming more and more important. However, the current commercial lithium-ion batteries have obvious defects, including poor safety from Li dendrite and flammable electrolyte, quick capacity loss and low charging and discharging rate. It is very important to find a better two-dimensional material as the anode of the battery to recover the disadvantages. In this paper, first principles calculations are used to explore the performances of VS2 bilayer and VS2 / graphene heterostructure as the anodes of Li ion batteries. Based on the calculation of the valences, binding energy, intercalation voltage, charge transfer and diffusion barrier of Li, it is found that the latter can be used as a better anode material from the perspective of insertion voltage and binding energy. At the same time, the former one is better in terms of diffusion barrier. Our study provides a comprehensive understanding on VS2 based 2D anodes.

Environmentally friendly 5 V cathode based on Fe-doped LiMn1.5Ni0.5O4 spinel for Li-ion batteries

2020 ◽  
Author(s):  
Mohamed Aklalouch ◽  
Hajer Bouaddi ◽  
Ghita Garhi ◽  
Abdelfattah Mahmoud ◽  
Mohammed Mansori ◽  
...  
Keyword(s):  
Environmentally Friendly ◽  
Li Ion Batteries ◽  
Li Ion

Thermodynamic and kinetic studies of LiNi0.5Co0.2Mn0.3O2 as a positive electrode material for Li-ion batteries using first principles

2016 ◽  
Vol 18 (9) ◽  
pp. 6799-6812 ◽  
Author(s):  
Mudit Dixit ◽  
Monica Kosa ◽  
Onit Srur Lavi ◽  
Boris Markovsky ◽  
Doron Aurbach ◽  
...  
Keyword(s):  
First Principles ◽  
Kinetic Studies ◽  
Cation Ordering ◽  
Li Ion Batteries ◽  
Diffusion Kinetics ◽  
Multi Scale ◽  
Positive Electrode Material ◽  
Li Ion ◽  
Kinetics Of ◽  
And Diffusion

The cation ordering, thermodynamics and diffusion kinetics of LiNi0.5Co0.2Mn0.3O2 (NCM-523) are studied using multi-scale funnel approach with vdW corrections.

scholarly journals The New Anode Environmentally Friendly for Water Electrolysis Based on 430 Stainless Steel Coated with Recycled Cobalt from Spent Lithium–Ion Batteries

2018 ◽  
Author(s):  
Eric M. Garcia ◽  
Hosane A. Taroco
Keyword(s):  
Stainless Steel ◽  
Environmentally Friendly ◽  
Water Electrolysis ◽  
Density Current ◽  
Li Ion Batteries ◽  
Battery Recycling ◽  
430 Stainless Steel ◽  
Cobalt Layer ◽  
Linear Voltammetry ◽  
Li Ion

In this paper, a new anode environmentally friendly for hydrogen production was developed based on 430 stainless steel with an electrodeposited cobalt layer. The novelty of this work is the cobalt source once the electrodeposition bath was obtained from recycling of spent Li-ion batteries cathode with composition LiCoO2. The electrodeposited cobalt behaves as supercapacitor in KOH 1M. In the linear voltammetry in KOH 1M, when the overpotential reaches 370 mV, the anodic density current for 430 SS/Co is 19 mA cm−2. Thus, the anode developed in this paper achieves the double of density current with half of production cost if compared with 316SS. Moreover the anode construction described in this paper is an excellent option for Li- ion battery recycling.

scholarly journals Импедансная спектроскопия пористых кремниевых и кремний-углеродных анодов, полученных спеканием

2020 ◽  
Vol 54 (3) ◽  
pp. 310
Author(s):  
Д.А. Ложкина ◽  
А.М. Румянцев ◽  
Е.В. Астрова
Keyword(s):  
Diffusion Coefficient ◽  
Solid Phase ◽  
Effective Diffusion ◽  
Double Electric Layer ◽  
Electrochemical Process ◽  
Electrical Circuit ◽  
Li Ion Batteries ◽  
Li Ion ◽  
And Diffusion ◽  
Lithium Incorporation

Dry sintered macroporous Si electrodes for Li-ion batteries are first studied using spectral impedance measurements (EIS). The obtained EIS spectra in the lithiated and delithated state are modeled by an equivalent electrical circuit, the parameters of which make it possible to determine the main stages of the electrochemical process of lithium incorporation / extraction caused by the surface layer of solid-state electrolyte (SEI), a double electric layer, and diffusion in the solid phase of the electrode material. It was shown that the effective diffusion coefficient of Li in Si increases with rising degree of lithiation from D = 6.5·10 ^ (-12) cm2/s to D = 2.6·10^ (-10) cm2/s. The effect of carbonization by sucrose pyrolysis was studied, which led to a decrease in impedance and an increase in the diffusion coefficient of lithium to D = 2.2·10^(-10) - 1.7·10^(-9) cm2/s.

Molecular dynamics simulation of a LixMn2O4 spinel cathode material in Li-ion batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (116) ◽  
pp. 115354-115363 ◽  
Author(s):  
Ali Asadi ◽  
Seyed Foad Aghamiri ◽  
Mohammad Reza Talaie
Keyword(s):  
Molecular Dynamics ◽  
Cathode Material ◽  
Dynamics Simulation ◽  
Li Ion Batteries ◽  
Particle Level ◽  
Electrochemical Cycling ◽  
Li Ion ◽  
Spinel Cathode ◽  
Dynamics Simulations ◽  
And Diffusion

Molecular dynamics simulations and a particle-level mathematical model were used to study the state of charge dependent mechanical and diffusion properties of lithium manganese oxide as a cathode material in Li-ion batteries during electrochemical cycling.

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