Deposition SnO2/Nitrogen-Doped Graphene Nanocomposites on the Separator: A New Type of Flexible Electrode for Energy Storage Devices

2013 ◽  
Vol 5 (22) ◽  
pp. 12148-12155 ◽  
Author(s):  
Junfei Liang ◽  
Zhi Cai ◽  
Yu Tian ◽  
Lidong Li ◽  
Jianxin Geng ◽  
...  
Author(s):  
Mingrui Liu ◽  
Jing Li ◽  
Bing Chi ◽  
Long Zheng ◽  
Yuexing Zhang ◽  
...  

The Li-O2 battery is recognized as one of the most promising energy storage devices for next-generation automotive batteries due to its extremely high theoretical energy density. The design and preparation...


Nanomaterials ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 372
Author(s):  
Liyang Lin ◽  
Susu Chen ◽  
Tao Deng ◽  
Wen Zeng

The metal oxides/graphene nanocomposites have great application prospects in the fields of electrochemical energy storage and gas sensing detection. However, rational synthesis of such materials with good conductivity and electrochemical activity is the topical challenge for high-performance devices. Here, SnO2/graphene nanocomposite is taken as a typical example and develops a universal synthesis method that overcome these challenges and prepares the oxygen-deficient SnO2 hollow nanospheres/graphene (r-SnO2/GN) nanocomposite with excellent performance for supercapacitors and gas sensors. The electrode r-SnO2/GN exhibits specific capacitance of 947.4 F g−1 at a current density of 2 mA cm−2 and of 640.0 F g−1 even at 20 mA cm−2, showing remarkable rate capability. For gas-sensing application, the sensor r-SnO2/GN showed good sensitivity (~13.8 under 500 ppm) and short response/recovering time toward methane gas. These performance features make r-SnO2/GN nanocomposite a promising candidate for high-performance energy storage devices and gas sensors.


RSC Advances ◽  
2020 ◽  
Vol 10 (71) ◽  
pp. 43811-43824
Author(s):  
Thanapat Autthawong ◽  
Yothin Chimupala ◽  
Mitsutaka Haruta ◽  
Hiroki Kurata ◽  
Tsutomu Kiyomura ◽  
...  

The TiO2-bronze/nitrogen-doped graphene nanocomposites have the potential for fast-charging and have high stability, showing potential as an anode material in advanced power batteries for next-generation applications.


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