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 ◽  
...  

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

2021 ◽  
Vol 894 ◽  
pp. 61-66
Author(s):  
Rui Zhi Dong

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.


2020 ◽  
pp. 1-16
Author(s):  
Jochen C. Eser ◽  
Birthe Deichmann ◽  
Tobias Wirsching ◽  
Lisa Merklein ◽  
Marcus Müller ◽  
...  

2020 ◽  
Vol 8 (17) ◽  
pp. 8540-8547 ◽  
Author(s):  
Chaoyu Hong ◽  
Qianyi Leng ◽  
Jianping Zhu ◽  
Shiyao Zheng ◽  
Huajin He ◽  
...  

Slow lithium diffusion kinetics of H1 phase during discharge determines the initial irreversible capacity loss of NCM-based materials. By controlling lithium diffusion rate in the discharge process, extra capacity is obtained in the materials.


2022 ◽  
Vol 429 ◽  
pp. 132395
Author(s):  
Seongjoon So ◽  
Jaewook Ko ◽  
Yong Nam Ahn ◽  
Il Tae Kim ◽  
Jaehyun Hur

RSC Advances ◽  
2017 ◽  
Vol 7 (32) ◽  
pp. 20049-20056 ◽  
Author(s):  
Young-Kyu Han ◽  
Jaeik Yoo ◽  
Taeeun Yim

We presented a computational screening protocol for the efficient development of cathode-electrolyte interphase (CEI)-forming additive materialsviathe first-principles calculations.


Nanoscale ◽  
2018 ◽  
Vol 10 (26) ◽  
pp. 12612-12624 ◽  
Author(s):  
Dipak Dutta ◽  
Andita Nataria Fitri Ganda ◽  
Jui-Kung Chih ◽  
Cheng-Chun Huang ◽  
Chung-Jen Tseng ◽  
...  

The interfacial chemistry and diffusion kinetics of a polymer–graphene nanocomposite anticorrosion coating were studied to minimize galvanic corrosion facilitated by the formation of an interconnected graphene percolation network.


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