Mitigating the capacity and voltage decay of lithium-rich layered oxide cathodes by fabricating Ni/Mn graded surface

2017 ◽  
Vol 5 (47) ◽  
pp. 24758-24766 ◽  
Author(s):  
Feng Li ◽  
Yangyang Wang ◽  
Shilun Gao ◽  
Peiyu Hou ◽  
Lianqi Zhang
Keyword(s):  
Phase Transformations ◽  
High Energy ◽  
Side Reactions ◽  
Layered Oxide ◽  
Voltage Decay ◽  
Oxide Cathodes ◽  
Layered Oxide Cathodes

A Ni/Mn-graded surface is proposed to suppress the unwanted phase transformations and side-reactions of high-energy lithium-rich layered oxide cathodes, and thus to mitigate their capacity and voltage decay.

Improving rate capability and decelerating voltage decay of Li-rich layered oxide cathodes by chromium doping

2018 ◽  
Vol 43 (24) ◽  
pp. 11109-11119 ◽  
Author(s):  
Huimian Li ◽  
Huajun Guo ◽  
Zhixing Wang ◽  
Jiexi Wang ◽  
Xinhai Li ◽  
...  
Keyword(s):  
Rate Capability ◽  
Layered Oxide ◽  
Chromium Doping ◽  
Voltage Decay ◽  
Oxide Cathodes ◽  
Layered Oxide Cathodes

High-Energy Layered Oxide Cathodes with Thin Shells for Improved Surface Stability

2014 ◽  
Vol 26 (20) ◽  
pp. 5973-5979 ◽  
Author(s):  
Hyung-Joo Noh ◽  
Seung-Taek Myung ◽  
Yun Jung Lee ◽  
Yang-Kook Sun
Keyword(s):  
High Energy ◽  
Thin Shells ◽  
Surface Stability ◽  
Layered Oxide ◽  
Oxide Cathodes ◽  
Layered Oxide Cathodes

scholarly journals Editors' Choice—Practical Assessment of Anionic Redox in Li-Rich Layered Oxide Cathodes: A Mixed Blessing for High Energy Li-Ion Batteries

2016 ◽  
Vol 163 (14) ◽  
pp. A2965-A2976 ◽  
Author(s):  
Gaurav Assat ◽  
Charles Delacourt ◽  
Daniel Alves Dalla Corte ◽  
Jean-Marie Tarascon
Keyword(s):  
High Energy ◽  
Li Ion Batteries ◽  
Layered Oxide ◽  
Oxide Cathodes ◽  
Li Ion ◽  
Mixed Blessing ◽  
Layered Oxide Cathodes

Effect of nickel oxidation state on the structural and electrochemical characteristics of lithium-rich layered oxide cathodes

2015 ◽  
Vol 3 (44) ◽  
pp. 22199-22207 ◽  
Author(s):  
James C. Knight ◽  
Arumugam Manthiram
Keyword(s):  
Oxidation State ◽  
Electrochemical Characteristics ◽  
Layered Oxides ◽  
Layered Oxide ◽  
Nickel Oxidation ◽  
Voltage Decay ◽  
Ni Oxidation ◽  
Oxide Cathodes ◽  
Layered Oxide Cathodes

Increasing the Ni oxidation state in Li-rich layered oxides enhances the cyclability and reduces the voltage decay due to a decreased degree of Mn4+ reduction and layered-to-spinel transformation.

scholarly journals Surface/Interfacial Structure and Chemistry of High-Energy Nickel-Rich Layered Oxide Cathodes: Advances and Perspectives

Small ◽  
2017 ◽  
Vol 13 (45) ◽  
pp. 1701802 ◽  
Author(s):  
Peiyu Hou ◽  
Jiangmei Yin ◽  
Meng Ding ◽  
Jinzhao Huang ◽  
Xijin Xu
Keyword(s):  
High Energy ◽  
Interfacial Structure ◽  
Layered Oxide ◽  
Oxide Cathodes ◽  
Layered Oxide Cathodes

Improving rate capability and decelerating voltage decay of Li-rich layered oxide cathodes via selenium doping to stabilize oxygen

2016 ◽  
Vol 331 ◽  
pp. 112-121 ◽  
Author(s):  
Quanxin Ma ◽  
Ruhong Li ◽  
Rujuan Zheng ◽  
Yuanlong Liu ◽  
Hua Huo ◽  
...  
Keyword(s):  
Rate Capability ◽  
Layered Oxide ◽  
Voltage Decay ◽  
Oxide Cathodes ◽  
Layered Oxide Cathodes
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