Series asymmetric supercapacitors based on free-standing inner-connection electrodes for high energy density and high output voltage

Nanoscale ◽  
2014 ◽  
Vol 6 (24) ◽  
pp. 15073-15079 ◽  
Author(s):  
Jiayou Tao ◽  
Nishuang Liu ◽  
Jiangyu Rao ◽  
Longwei Ding ◽  
Majid Raissan AL Bahrani ◽  
...  
Keyword(s):  
Energy Density ◽  
Output Voltage ◽  
High Energy ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
Free Standing ◽  
Asymmetric Supercapacitors ◽  
In Series ◽  
High Output Voltage ◽  
High Output

A series-wound asymmetric supercapacitor with an inner-connection structure has a high output voltage of 4.0 V and can power two LEDs connected in series.

A three-dimensional graphene framework-enabled high-performance stretchable asymmetric supercapacitor

2018 ◽  
Vol 6 (4) ◽  
pp. 1802-1808 ◽  
Author(s):  
Ke Li ◽  
Yanshan Huang ◽  
Jingjing Liu ◽  
Mansoor Sarfraz ◽  
Phillips O. Agboola ◽  
...  
Keyword(s):  
Energy Density ◽  
High Performance ◽  
Three Dimensional ◽  
High Energy ◽  
Cycling Stability ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors ◽  
Superior Cycling Stability

Three-dimensional graphene frameworks enable the development of stretchable asymmetric supercapacitors with a record high energy density of 77.8 W h kg−1, and also excellent stretchability and superior cycling stability.

High energy density and enhanced stability of asymmetric supercapacitors with mesoporous MnO2@CNT and nanodot MoO3@CNT free-standing films

2018 ◽  
Vol 12 ◽  
pp. 223-231 ◽  
Author(s):  
Tae Hoon Lee ◽  
Duy Tho Pham ◽  
Ramkrishna Sahoo ◽  
Jinbong Seok ◽  
Thi Hoai Thuong Luu ◽  
...  
Keyword(s):  
Energy Density ◽  
High Energy ◽  
High Energy Density ◽  
Free Standing ◽  
Asymmetric Supercapacitors ◽  
Enhanced Stability

Hierarchical three-dimensional mesoporous MnO2 nanostructures for high performance aqueous asymmetric supercapacitors

2016 ◽  
Vol 4 (2) ◽  
pp. 587-595 ◽  
Author(s):  
Sourav Bag ◽  
C. Retna Raj
Keyword(s):  
Energy Density ◽  
High Performance ◽  
Three Dimensional ◽  
High Energy ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors

Nanocrystalline mesoporous α-MnO2 is synthesized for the fabrication of a high energy density aqueous asymmetric supercapacitor device.

Freestanding and flexible graphene wrapped MnO2/MoO3 nanoparticle based asymmetric supercapacitors for high energy density and output voltage

RSC Advances ◽  
2015 ◽  
Vol 5 (56) ◽  
pp. 45129-45135 ◽  
Author(s):  
Congxing Yang ◽  
Yuling Shi ◽  
Nishuang Liu ◽  
Jiayou Tao ◽  
Siliang Wang ◽  
...  
Keyword(s):  
Energy Density ◽  
Output Voltage ◽  
High Energy ◽  
Cycling Stability ◽  
High Energy Density ◽  
Asymmetric Supercapacitors ◽  
Good Cycling Stability

Freestanding and flexible asymmetric supercapacitors with good cycling stability.

Hollow NiCo2S4 nanotube arrays grown on carbon textile as a self-supported electrode for asymmetric supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (12) ◽  
pp. 9950-9957 ◽  
Author(s):  
Liang Hao ◽  
Laifa Shen ◽  
Jie Wang ◽  
Yunling Xu ◽  
Xiaogang Zhang
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Power ◽  
High Energy ◽  
High Energy Density ◽  
Nanotube Arrays ◽  
Asymmetric Supercapacitor ◽  
High Power Density ◽  
Asymmetric Supercapacitors

We developed an asymmetric supercapacitor using NiCo2S4 nanotube arrays grown on carbon textile, achieving a high energy density (∼40.1 W h kg−1 at 451 W kg−1), a high power density (∼4725 W kg−1 at 21 W h kg−1) and excellent cyclability.

Two-dimensional heterostructures of V2O5 and reduced graphene oxide as electrodes for high energy density asymmetric supercapacitors

2014 ◽  
Vol 2 (40) ◽  
pp. 17146-17152 ◽  
Author(s):  
D. H. Nagaraju ◽  
Qingxiao Wang ◽  
P. Beaujuge ◽  
H. N. Alshareef
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Reduced Graphene Oxide ◽  
High Energy ◽  
High Conductivity ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
Two Dimensional ◽  
Asymmetric Supercapacitors ◽  
Reduced Graphene

The 2D layered heterostructures of V2O5 nanosheets and reduced graphene oxide show high conductivity and superior asymmetric supercapacitor properties.

Hydrothermal synthesis of CuCo2O4/CuO nanowire arrays and RGO/Fe2O3 composites for high-performance aqueous asymmetric supercapacitors

2016 ◽  
Vol 4 (25) ◽  
pp. 9977-9985 ◽  
Author(s):  
Yidan Wang ◽  
Cheng Shen ◽  
Lengyuan Niu ◽  
Rongzhen Li ◽  
Huatong Guo ◽  
...  
Keyword(s):  
Hydrothermal Synthesis ◽  
Energy Density ◽  
High Performance ◽  
High Energy ◽  
Nanowire Arrays ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors ◽  
Cuo Nanowire

A CuCo2O4/CuO//RGO/Fe2O3 asymmetric supercapacitor was fabricated and it delivered a high energy density of 33.0 W h kg−1.

In situ growth of NiCo2S4@Ni3V2O8 on Ni foam as a binder-free electrode for asymmetric supercapacitors

2016 ◽  
Vol 4 (15) ◽  
pp. 5669-5677 ◽  
Author(s):  
Lengyuan Niu ◽  
Yidan Wang ◽  
Fengping Ruan ◽  
Cheng Shen ◽  
Shen Shan ◽  
...  
Keyword(s):  
Energy Density ◽  
High Energy ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
High Power Density ◽  
In Situ Growth ◽  
Ni Foam ◽  
Asymmetric Supercapacitors ◽  
Binder Free

A NiCo2S4@Ni3V2O8//AC asymmetric supercapacitor was successfully fabricated and it can deliver both high energy density and high power density.

In situ grown nickel selenide on graphene nanohybrid electrodes for high energy density asymmetric supercapacitors

Nanoscale ◽  
2018 ◽  
Vol 10 (43) ◽  
pp. 20414-20425 ◽  
Author(s):  
Balakrishnan Kirubasankar ◽  
Vignesh Murugadoss ◽  
Jing Lin ◽  
Tao Ding ◽  
Mengyao Dong ◽  
...  
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Energy ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors

A NiSe–G∥AC asymmetric supercapacitor with both pseudocapacitance and EDLC mechanisms provides an energy density of 50.1 W h kg−1 and a power density of 816 W kg−1.

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