Asymmetric electrical double-layer capacitor using electrochemical activated carbon
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United States of America Patent
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-
Jan 16, 2018
Issued Date -
N/A
app pub date -
Dec 29, 2015
filing date -
Dec 29, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An asymmetric supercapacitor includes a negative electrode made of a first carbon, a positive electrode made of a soft carbon, a separator and an electrolyte. The separator is disposed in between the negative and positive electrodes. The soft carbon has an activation threshold (AT) larger than 1400, and the activation threshold (AT) is obtained from the following formula: AT=La*(Aa/Ac). La is an in-plane correlation length of the soft carbon, Aa is an area of amorphous peak of the soft carbon analysed by X-ray diffraction in Gaussian distribution graph, and Ac is an area of crystalline peak of the soft carbon analysed by X-ray diffraction in Gaussian distribution graph.
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International Classification(s)
- 2015 Application Filing Year
- H02J Class
- 4445 Applications Filed
- 3538 Patents Issued To-Date
- 79.60 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- H02J Class
- 22.71 % this patent is cited more than
- 7 Age
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