A new lithium diffusion model in layered oxides based on asymmetric but reversible transition metal migration

2020 ◽  
Vol 13 (4) ◽  
pp. 1269-1278 ◽  
Author(s):  
Kyojin Ku ◽  
Byunghoon Kim ◽  
Sung-Kyun Jung ◽  
Yue Gong ◽  
Donggun Eum ◽  
...  
Keyword(s):  
Transition Metal ◽  
Diffusion Model ◽  
Layered Oxides ◽  
Layered Oxide ◽  
Reversible Transition ◽  
Lithium Diffusion ◽  
Metal Migration

We propose a new lithium diffusion model involving coupled lithium and transition metal migration, peculiarly occurring in a lithium-rich layered oxide.

On the dynamics of transition metal migration and its impact on the performance of layered oxides for sodium-ion batteries: NaFeO2 as a case study

2018 ◽  
Vol 6 (31) ◽  
pp. 15132-15146 ◽  
Author(s):  
Begoña Silván ◽  
Elena Gonzalo ◽  
Lisa Djuandhi ◽  
Neeraj Sharma ◽  
François Fauth ◽  
...  
Keyword(s):  
Transition Metal ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Layered Oxides ◽  
Metal Migration

Reversibility of transition metal migration in layered oxides as cathodes for sodium ion batteries at the expense of polarization increase.

Quantitative Analysis of Transition-Metal Migration Induced Electrochemically in Lithium-Rich Layered Oxide Cathode and Its Contribution to Properties at High and Low Temperatures

2016 ◽  
Vol 120 (48) ◽  
pp. 27109-27116 ◽  
Author(s):  
Ikuma Takahashi ◽  
Katsutoshi Fukuda ◽  
Tomoya Kawaguchi ◽  
Hideyuki Komatsu ◽  
Masatsugu Oishi ◽  
...  
Keyword(s):  
Quantitative Analysis ◽  
Transition Metal ◽  
Low Temperatures ◽  
Layered Oxide ◽  
Oxide Cathode ◽  
Metal Migration ◽  
High And Low Temperatures

scholarly journals Eliminating Transition Metal Migration and Anionic Redox to Understand Voltage Hysteresis of Lithium‐Rich Layered Oxides

2020 ◽  
Vol 10 (8) ◽  
pp. 1903634 ◽  
Author(s):  
Miao Han ◽  
Junyu Jiao ◽  
Zepeng Liu ◽  
Xi Shen ◽  
Qinghua Zhang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Layered Oxides ◽  
Voltage Hysteresis ◽  
Metal Migration

Enhanced cycling stability of boron-doped lithium-rich layered oxide cathode materials by suppressing transition metal migration

2019 ◽  
Vol 7 (7) ◽  
pp. 3375-3383 ◽  
Author(s):  
Zhenhe Sun ◽  
Lingqun Xu ◽  
Caiqiao Dong ◽  
Hongtao Zhang ◽  
Mingtao Zhang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Cathode Materials ◽  
Cycling Stability ◽  
Capacitive Performance ◽  
Layered Oxide ◽  
Boron Doped ◽  
Oxide Cathode ◽  
Attractive Candidate ◽  
Metal Migration

Lithium-rich layered oxide (LLO) has been considered as an attractive candidate due to its high capacitive performance.

Unlocking veiled oxygen redox in Na-based earth-abundant binary layered oxide

2021 ◽  
Author(s):  
Myungkyu Kim ◽  
Hyungjun Kim ◽  
Maenghyo Cho ◽  
Duho Kim
Keyword(s):  
Energy Density ◽  
Transition Metal ◽  
Redox Reactions ◽  
Low Energy ◽  
Layered Oxides ◽  
Layered Oxide ◽  
Earth Abundant

Oxygen-redox reactions (ORRs) in Na-based transition metal (TM) layered oxides have attracted a great deal of attention as a means of overcoming the intrinsic low energy density of the cathodes...

Boosting Cycling Stability of Ni-rich Layered Oxide Cathode by Dry Coating of Ultrastable Li3V2(PO4)3 Nanoparticles

Nanoscale ◽  
2021 ◽  
Author(s):  
Dongdong Wang ◽  
Qizhang Yan ◽  
Mingqian Li ◽  
Hongpeng Gao ◽  
Jianhua Tian ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Lithium Ion ◽  
High Energy ◽  
Cycling Stability ◽  
Next Generation ◽  
Layered Oxides ◽  
Dry Coating ◽  
Layered Oxide ◽  
Oxide Cathode

Nickel (Ni)-rich layered oxides such as LiNi0.6Co0.2Mn0.2O2 (NCM622) represent one of the most promising candidates for the next-generation high-energy lithium-ion batteries (LIBs). However, the pristine Ni-rich cathode materials usually suffer...

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