Yangping Sheng
Oak Ridge National Laboratory
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Publication
Featured researches published by Yangping Sheng.
Journal of The Electrochemical Society | 2016
Seong Jin An; Jianlin Li; Yangping Sheng; Claus Daniel; David L. Wood
Effects of ultraviolet (UV) light on dried graphite anodes were investigated in terms of the cycle life of lithium ion batteries. The time variations for the UV treatment were 0 (no treatment), 20, 40, and 60 minutes. UV-light-treated graphite anodes were assembled for cycle life tests in pouch cells with pristine Li1.02Ni0.50Mn0.29Co0.19O2 (NMC 532) cathodes. UV treatment for 40 minutes resulted in the highest capacity retention and the lowest resistance after the cycle life testing. X-ray photoelectron spectroscopy (XPS) and contact angle measurements on the graphite anodes showed changes in surface chemistry and wetting after the UV treatment. XPS also showed increases in solvent products and decreases in salt products on the SEI surface when UV-treated anodes were used. In conclusion, the thickness of the surface films and their compositions on the anodes and cathodes were also estimated using survey scans and snapshots from XPS depth profiles.
JOM | 2017
Jianlin Li; Zhijia Du; Rose E. Ruther; Seong Jin An; Lamuel David; Kevin A. Hays; Marissa Wood; Nathan D. Phillip; Yangping Sheng; Chengyu Mao; Sergiy Kalnaus; Claus Daniel; David L. Wood
Journal of Power Sources | 2017
Zhijia Du; K.M. Rollag; Jianlin Li; Seong Jin An; Marissa Wood; Yangping Sheng; Partha P. Mukherjee; Claus Daniel; David L. Wood
Journal of Power Sources | 2018
Javier Bareño; Nancy L. Dietz Rago; Fulya Dogan; Donald G. Graczyk; Yifen Tsai; Seema R. Naik; Sang-Don Han; Eungje Lee; Zhijia Du; Yangping Sheng; Jianlin Li; David L. Wood; Leigh Anna Marie Steele; Joshua Lamb; Scott Wilmer Spangler; Christopher Grosso; Kyle R. Fenton; Ira Bloom
Journal of The Electrochemical Society | 2018
Chengyu Mao; Marissa Wood; Lamuel David; Seong Jin An; Yangping Sheng; Zhijia Du; Harry M. Meyer; Rose E. Ruther; David L. Wood
Journal of Power Sources | 2018
Ira Bloom; Javier Bareño; Nancy L. Dietz Rago; Fulya Dogan; Donald G. Graczyk; Yifen Tsai; Seema R. Naik; Sang-Don Han; Eungje Lee; Zhijia Du; Yangping Sheng; Jianlin Li; David L. Wood; Leigh Anna Marie Steele; Joshua Lamb; Scott Wilmer Spangler; Christopher Grosso; Kyle R. Fenton
Journal of Power Sources | 2018
Przemyslaw Rupnowski; Michael Ulsh; Bhushan Sopori; Brian G. Green; David L Wood; Jianlin Li; Yangping Sheng
Applied Energy | 2018
Lamuel David; Rose E. Ruther; Debasish Mohanty; Harry M. Meyer; Yangping Sheng; Sergiy Kalnaus; Claus Daniel; David L. Wood
232nd ECS Meeting (October 1-5, 2017), | 2017
Zhijia Du; Marissa Wood; Yangping Sheng; Seong Jin An; Jianlin Li; Claus Daniel; David L Wood
232nd ECS Meeting (October 1-5, 2017), | 2017
Jianlin Li; P. Smyrek; Marissa Wood; Yijing Zheng; Yangping Sheng; Jan-Hendric Rakebrandt; Zhijia Du; Wilhelm Pfleging; David L Wood
