Core-shell structure LiNi0.8Co0.1Mn0.1O2 cathode material with improved electrochemical performance at high voltage

Ionics ◽  
2021 ◽  
Vol 27 (3) ◽  
pp. 949-959
Author(s):  
Liubin Song ◽  
Peng Jiang ◽  
Zhongliang Xiao ◽  
Zhong Cao ◽  
Chenfeng Zhou ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Cathode Material ◽  
High Voltage ◽  
Shell Structure ◽  
Core Shell ◽  
Core Shell Structure

A novel LiCoPO4-coated core–shell structure for spinel LiNi0.5Mn1.5O4 as a high-performance cathode material for lithium-ion batteries

2017 ◽  
Vol 5 (3) ◽  
pp. 996-1004 ◽  
Author(s):  
Yang Liu ◽  
Zhongpei Lu ◽  
Chenfang Deng ◽  
Jingjing Ding ◽  
Yue Xu ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Cathode Material ◽  
Lithium Ion Batteries ◽  
Shell Structure ◽  
High Performance ◽  
Lithium Ion ◽  
Core Shell ◽  
Core Shell Structure

A novel LiNi0.5Mn1.5O4@LiCoPO4 structure can improve the electrochemical performance by inducing an appropriate amount of Mn3+.

Synthesis and Electrochemical Performance of Porous Carbon/Carbon Electrode with Core/Shell Structure

2010 ◽  
Vol 123-125 ◽  
pp. 1099-1102
Author(s):  
Ki Seok Kim ◽  
Soo Jin Park
Keyword(s):  
Electrochemical Performance ◽  
Porous Carbon ◽  
Shell Structure ◽  
Electrode Materials ◽  
In Situ Polymerization ◽  
High Surface ◽  
Hollow Structure ◽  
Core Shell ◽  
Carbon Electrode ◽  
Core Shell Structure

Recently core/shell nanostructures including nanotubes, nanowires, and nanofibers have a considerable attension because multiple or enhanced functionality can be obtained by the synergistic effect of different materials in the formation of a core/shell structure. In this work, porous carbon/carbon core/shell carbon electrode (P-C/C-CE) composed of core graphene and disordered shells were prepared to obtain a new type of carbon electrode materials. The disordered carbon shells were prepared by coating of polyaniline onto the graphene by in-situ polymerization in the presence of nano-sized silica and subsequent carbonization at 850°C. After carbonization, P-C/C-CE showed the hollow structure and crystallinity. In addition, P-C/C-CE exhibited superior electrochemical performance compared to graphene and graphene/PANI composites, which was attributed to the high surface area of P-C/C-CE and the presence of nitrogen groups formed onto carbon electrode after the carbonization of shell polyaniline.

Branched ultra-fine nickel oxide/manganese dioxide core–shell nanosheet arrays for electrochemical capacitors

RSC Advances ◽  
2015 ◽  
Vol 5 (94) ◽  
pp. 77115-77121 ◽  
Author(s):  
Yanhong Li ◽  
Huarong Peng ◽  
Chao Zhang ◽  
Mengsha Chu ◽  
Peng Xiao ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Nickel Oxide ◽  
Manganese Dioxide ◽  
Shell Structure ◽  
Electrochemical Capacitors ◽  
Core Shell ◽  
Two Dimensional ◽  
Nanosheet Arrays ◽  
Core Shell Structure ◽  
Fine Nickel

Hierarchically core–shell structure composed of two dimensional NiO and MnO2 nanosheets demonstrate good electrochemical performance in supercapacitor.

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