scholarly journals Na+ diffusion mechanism and transition metal substitution in tunnel-type manganese-based oxides for Na-ion rechargeable batteries

2021 ◽  
Author(s):  
Irene Quinzeni ◽  
Kotaro Fujii ◽  
Marcella Bini ◽  
Masatomo Yashima ◽  
Cristina Tealdi
Keyword(s):  
Transition Metal ◽  
Cathode Material ◽  
Diffusion Mechanism ◽  
Rechargeable Batteries ◽  
Type Structure ◽  
Metal Substitution ◽  
Transition Metal Substitution

Na0.44MnO2 (NMO) with tunnel-type structure is a reference cathode material for rechargeable Na-ion batteries. In this work, the structural, electrochemical and computational investigations are combined to study the properties of...

scholarly journals A Fast Approach to Obtain Layered Transition-Metal Cathode Material for Rechargeable Batteries

Batteries ◽  
2022 ◽  
Vol 8 (1) ◽  
pp. 4
Author(s):  
Shofirul Sholikhatun Nisa ◽  
Mintarsih Rahmawati ◽  
Cornelius Satria Yudha ◽  
Hanida Nilasary ◽  
Hartoto Nursukatmo ◽  
...  
Keyword(s):  
Transition Metal ◽  
Cathode Material ◽  
Rechargeable Batteries ◽  
Material Behavior ◽  
Heating Process ◽  
Battery Materials ◽  
High Storage Capacity ◽  
Li Ion ◽  
Layered Transition Metal ◽  
High Storage

Li-ion batteries as a support for future transportation have the advantages of high storage capacity, a long life cycle, and the fact that they are less dangerous than current battery materials. Li-ion battery components, especially the cathode, are the intercalation places for lithium, which plays an important role in battery performance. This study aims to obtain the LiNixMnyCozO2 (NMC) cathode material using a simple flash coprecipitation method. As precipitation agents and pH regulators, oxalic acid and ammonia are widely available and inexpensive. The composition of the NMC mole ratio was varied, with values of 333, 424, 442, 523, 532, 622, and 811. As a comprehensive study of NMC, lithium transition-metal oxide (LMO, LCO, and LNO) is also provided. The crystal structure, functional groups, morphology, elemental composition and material behavior of the particles were all investigated during the heating process. The galvanostatic charge–discharge analysis was tested with cylindrical cells and using mesocarbon microbeads/graphite as the anode. Cells were tested at 2.7–4.25 V at 0.5 C. Based on the analysis results, NMC with a mole ratio of 622 showed the best characteristicd and electrochemical performance. After 100 cycles, the discharged capacity reaches 153.60 mAh/g with 70.9% capacity retention.

Transition metal substitution in Fe2P-based MnFe0.95P0.50Si0.50 magnetocaloric compounds

2018 ◽  
Vol 730 ◽  
pp. 392-398 ◽  
Author(s):  
Z.Q. Ou ◽  
N.H. Dung ◽  
L. Zhang ◽  
L. Caron ◽  
E. Torun ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Substitution ◽  
Transition Metal Substitution

Transition-Metal Substitution-Induced Lattice Strain and Electrical Polarity Reversal in Monolayer WS2

2020 ◽  
Vol 12 (16) ◽  
pp. 18650-18659 ◽  
Author(s):  
Peng Zhang ◽  
Ningyan Cheng ◽  
Mengjiao Li ◽  
Bin Zhou ◽  
Ce Bian ◽  
...  
Keyword(s):  
Transition Metal ◽  
Lattice Strain ◽  
Polarity Reversal ◽  
Metal Substitution ◽  
Electrical Polarity ◽  
Transition Metal Substitution

scholarly journals Robustness of superconducting properties to transition metal substitution and impurity phases in Fe1−xVxSe

2019 ◽  
Vol 100 (9) ◽  
Author(s):  
Franziska K. K. Kirschner ◽  
Daniel N. Woodruff ◽  
Matthew J. Bristow ◽  
Franz Lang ◽  
Peter J. Baker ◽  
...  
Keyword(s):  
Transition Metal ◽  
Superconducting Properties ◽  
Metal Substitution ◽  
Impurity Phases ◽  
Transition Metal Substitution
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