A novel hierarchical precursor of densely integrated hydroxide nanoflakes on oxide microspheres toward high-performance layered Ni-rich cathode for lithium ion batteries

2018 ◽  
Vol 2 (10) ◽  
pp. 1822-1828 ◽  
Author(s):  
Yan Li ◽  
Xinhai Li ◽  
Zhixing Wang ◽  
Huajun Guo ◽  
Tao Li ◽  
...  

LiNi0.8Co0.1Mn0.1O2 cathode derived from a novel [email protected](OH)2 hierarchical precursor exhibits improved tap density and initial coulombic efficiency, as well as excellent cycling stability and superior rate capability.

RSC Advances ◽  
2015 ◽  
Vol 5 (77) ◽  
pp. 63012-63016 ◽  
Author(s):  
Yourong Wang ◽  
Wei Zhou ◽  
Liping Zhang ◽  
Guangsen Song ◽  
Siqing Cheng

A SiO2@NiO core–shell electrode exhibits almost 100% coulombic efficiency, excellent cycling stability and rate capability after the first few cycles.


2015 ◽  
Vol 3 (7) ◽  
pp. 3962-3967 ◽  
Author(s):  
Xiaolei Wang ◽  
Ge Li ◽  
Fathy M. Hassan ◽  
Matthew Li ◽  
Kun Feng ◽  
...  

High-performance robust CNT–graphene–Si composites are designed as anode materials with enhanced rate capability and excellent cycling stability for lithium-ion batteries. Such an improvement is mainly attributed to the robust sponge-like architecture, which holds great promise in future practical applications.


2015 ◽  
Vol 3 (6) ◽  
pp. 2634-2641 ◽  
Author(s):  
Hui Liu ◽  
Cheng Chen ◽  
Chunyu Du ◽  
Xiaoshu He ◽  
Geping Yin ◽  
...  

A lithium-rich Li1.2Ni0.13Co0.13Mn0.54O2 material coated by fast Li+ and electron conductors exhibits outstanding rate capability, cyclability and initial coulombic efficiency.


2016 ◽  
Vol 4 (23) ◽  
pp. 9177-9183 ◽  
Author(s):  
Dongming Cui ◽  
Di Tian ◽  
Shasha Chen ◽  
Liangjie Yuan

Graphene wrapped 3,4,9,10-perylenetetracarboxylic dianhydride shows a high reversible capacity, an excellent cycling stability and a superior rate capability for Li-ion batteries.


Author(s):  
Wenqiang Tu ◽  
Xian-Shu Wang ◽  
Wenying Tian ◽  
Yunan Zhou ◽  
Chuan Li ◽  
...  

Lithium and manganese rich oxides (LMROs) are promising candidates for the next-generation high-energy lithium-ion batteries. However, intrinsic problems associated with low initial Coulombic efficiency and inferior rate capability impede the...


2013 ◽  
Vol 1540 ◽  
Author(s):  
Chia-Yi Lin ◽  
Chien-Te Hsieh ◽  
Ruey-Shin Juang

ABSTRACTAn efficient microwave-assisted polyol (MP) approach is report to prepare SnO2/graphene hybrid as an anode material for lithium ion batteries. The key factor to this MP method is to start with uniform graphene oxide (GO) suspension, in which a large amount of surface oxygenate groups ensures homogeneous distribution of the SnO2 nanoparticles onto the GO sheets under the microwave irradiation. The period for the microwave heating only takes 10 min. The obtained SnO2/graphene hybrid anode possesses a reversible capacity of 967 mAh g-1 at 0.1 C and a high Coulombic efficiency of 80.5% at the first cycle. The cycling performance and the rate capability of the hybrid anode are enhanced in comparison with that of the bare graphene anode. This improvement of electrochemical performance can be attributed to the formation of a 3-dimensional framework. Accordingly, this study provides an economical MP route for the fabrication of SnO2/graphene hybrid as an anode material for high-performance Li-ion batteries.


2019 ◽  
Vol 3 (9) ◽  
pp. 2361-2365 ◽  
Author(s):  
Xiaoyong Dou ◽  
Ming Chen ◽  
Jiantao Zai ◽  
Zhen De ◽  
Boxu Dong ◽  
...  

Silicon (Si) has been regarded as a promising next-generation anode material to replace carbon-based materials for lithium ion batteries (LIBs).


Nanoscale ◽  
2014 ◽  
Vol 6 (15) ◽  
pp. 8884-8890 ◽  
Author(s):  
Ye Wang ◽  
Guozhong Xing ◽  
Zhao Jun Han ◽  
Yumeng Shi ◽  
Jen It Wong ◽  
...  

Pre-lithiation of a MoS2/OLC nano-urchin hybrid structure shows great potential in developing good performance lithium ion batteries with ultra-high initial coulombic efficiency.


Sign in / Sign up

Export Citation Format

Share Document