Electronic Structure and Chemical Bonding of Li1.1Nb0.9O2−y as a Negative Electrode Material for Lithium Secondary Batteries

Author(s):  
Yang-Soo Kim ◽  
Chan-Seo You ◽  
Ri-Zhu Yin ◽  
Changkeun Back ◽  
Dong-yoon Lee ◽  
...  
2016 ◽  
Vol 835 ◽  
pp. 126-130 ◽  
Author(s):  
Kyoung Soo Park ◽  
Soon Ki Jeong ◽  
Yang Soo Kim

The electrochemical properties of niobium monoxide, NbO, were investigated as a negative electrode material for lithium-ion batteries. Lithium ions were inserted into and extracted from NbO material at potentials < 1.0 V versus Li/Li+, involving formation of a solid electrolyte interface (SEI) on the NbO surface in the first cycle. Its reversible capacity is ~67 mAh g–1 with the capacity retention of ~109% after 50 cycles. The magnitude of charge transfer resistance was greatly decreased by ball-milling the pristine NbO, whereas the ball-milling had no effect on the SEI resistance.


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Tomoaki Yamada ◽  
Katsuhito Takei ◽  
Tom Iwahori

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Gang Liu ◽  
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Jeremy Mallet ◽  
Jean Michel ◽  
Claude Guery ◽  
Michael Molinari ◽  
...  

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