What Triggers the Voltage Hysteresis Variation beyond the First Cycle in Li-Rich 3d Layered Oxides with Reversible Cation Migration?

2021 ◽  
pp. 8740-8748
Author(s):  
Hui Liu ◽  
Chong Zhao ◽  
Qing Qiu ◽  
Bei Hu ◽  
Fushan Geng ◽  
...  
Keyword(s):  
Layered Oxides ◽  
Cation Migration ◽  
Voltage Hysteresis

Regulating Anion Redox and Cation Migration to Enhance the Structural Stability of Li-Rich Layered Oxides

2021 ◽  
Author(s):  
Tianshuo Wang ◽  
Chunxiao Zhang ◽  
Shuwei Li ◽  
Xi Shen ◽  
Liangjun Zhou ◽  
...  
Keyword(s):  
Structural Stability ◽  
Layered Oxides ◽  
Cation Migration

scholarly journals Uncovering the roles of oxygen vacancies in cation migration in lithium excess layered oxides

2014 ◽  
Vol 16 (28) ◽  
pp. 14665-14668 ◽  
Author(s):  
Danna Qian ◽  
Bo Xu ◽  
Miaofang Chi ◽  
Ying Shirley Meng
Keyword(s):  
Oxygen Vacancies ◽  
Layered Oxides ◽  
Cation Migration

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

scholarly journals Coupling between oxygen redox and cation migration explains unusual electrochemistry in lithium-rich layered oxides

2017 ◽  
Vol 8 (1) ◽  
Author(s):  
William E. Gent ◽  
Kipil Lim ◽  
Yufeng Liang ◽  
Qinghao Li ◽  
Taylor Barnes ◽  
...  
Keyword(s):  
Layered Oxides ◽  
Cation Migration

Structurally Regulating Cation Migration Suppresses Voltage Fade and Redox Asymmetry in Lithium-Rich Layered Oxides

2020 ◽  
Vol MA2020-02 (1) ◽  
pp. 105-105
Author(s):  
Donggun Eum ◽  
Byunghoon Kim ◽  
Sung Joo Kim ◽  
Hyeokjun Park ◽  
Kisuk Kang
Keyword(s):  
Layered Oxides ◽  
Cation Migration ◽  
Voltage Fade

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.

Li+/Na+ Ion Exchange in Layered Na2/3(Ni0.25Mn0.75)O2: A Simple and Fast Way to Synthesize O3/O2-Type Layered Oxides

2021 ◽  
Author(s):  
Weibo Hua ◽  
Suning Wang ◽  
Kai Wang ◽  
Alexander Missyul ◽  
Qiang Fu ◽  
...  
Keyword(s):  
Ion Exchange ◽  
Layered Oxides

Migration of Cations in Layered Oxides for Creating Highly Active Interface toward CO Preferential Oxidation

2021 ◽  
Author(s):  
Junfang Ding ◽  
Zhibin Geng ◽  
Liping Li ◽  
Ye Wang ◽  
Ying Zuo ◽  
...  
Keyword(s):  
Active Species ◽  
Advanced Materials ◽  
Layered Oxides ◽  
Preferential Oxidation ◽  
Interlayer Cation ◽  
Crucial Issue ◽  
Co Preferential Oxidation ◽  
Highly Active

Rationally design and integrate the collaborative active species on the interface is a crucial issue for the development of advanced materials. In this work, we present a simple interlayer cation...

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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