Encapsulating Sulfides into Tridymite/Carbon Reactors Enables Stable Sodium Ion Conversion/Alloying Anode with High Initial Coulombic Efficiency Over 89%

2021 ◽  
pp. 2009598
Author(s):  
Yani Liu ◽  
Linpo Li ◽  
Renming Zhan ◽  
Maowen Xu ◽  
Jian Jiang ◽  
...  
Keyword(s):  
Coulombic Efficiency ◽  
Sodium Ion ◽  
Initial Coulombic Efficiency

Engineering of a TiO2 anode toward a record high Initial coulombic efficiency enabling high-performance low-temperature Na-ion hybrid capacitors

2018 ◽  
Vol 6 (45) ◽  
pp. 22840-22850 ◽  
Author(s):  
Meiling Kang ◽  
Yingying Wu ◽  
Xin Huang ◽  
Kaiqiang Zhou ◽  
Zhigao Huang ◽  
...  
Keyword(s):  
Low Temperature ◽  
High Performance ◽  
Coulombic Efficiency ◽  
Sodium Ion ◽  
Hybrid Capacitors ◽  
Initial Coulombic Efficiency ◽  
Tio2 Anode

A high-performance hybrid sodium-ion capacitor was developed through the engineering of a TiO2 anode to achieve record high initial coulombic efficiency.

scholarly journals Unveiling the role of hydrothermal carbon dots as anodes in sodium-ion batteries with ultrahigh initial coulombic efficiency

2019 ◽  
Vol 7 (48) ◽  
pp. 27567-27575 ◽  
Author(s):  
Fei Xie ◽  
Zhen Xu ◽  
Anders C. S. Jensen ◽  
Feixiang Ding ◽  
Heather Au ◽  
...  
Keyword(s):  
Carbon Dots ◽  
Coulombic Efficiency ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Initial Coulombic Efficiency

We report the discovery of usually ignored hydrothermal carbon dots as anodes for sodium-ion batteries with ultrahigh initial coulombic efficiency.

Ultrahigh rate sodium ion storage with nitrogen-doped expanded graphite oxide in ether-based electrolyte

2018 ◽  
Vol 6 (4) ◽  
pp. 1582-1589 ◽  
Author(s):  
Mingxiang Hu ◽  
Hongjiang Zhou ◽  
Xin Gan ◽  
Le Yang ◽  
Zheng-Hong Huang ◽  
...  
Keyword(s):  
Anode Material ◽  
Graphite Oxide ◽  
Coulombic Efficiency ◽  
Expanded Graphite ◽  
Sodium Ion ◽  
Nitrogen Doped ◽  
Ion Storage ◽  
Sodium Ion Storage ◽  
Initial Coulombic Efficiency

Nitrogen-doped graphite oxide can serve as anode material for Na-ion battery with high initial coulombic efficiency and excellent rate properties.

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