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CNT Battery Detailed Description
By | April 14, 2009
DETAIL DESCRIPTION
The present Active Carbon Nanofiber-based (CNT-Carbon Nanotube) electrical high performance battery comprises a cell trough filled with electrolyte, a spring coil locking onto said cell trough, an anode/cathode substrate plate installed within said cell trough with its separation membrane, and positive and negative terminals installed outside the cell cap connecting to said anode/cathode substrate plate respectively. The anode substrate plate is composed of an aluminum plate and an active Carbon Nanofiber layer spray-coated on the aluminum plate surface. The Cathode substrate plate is composed of copper plate and an active Carbon Nanofiber layer spray-coated on the copper plate surface.
Active Carbon Nanofiber itself contains quantum sizing effect, micro sizing effect, surface effect, and Macroscopic Quantum Tunneling. It has a very large relative surface area, very high activity and density rate, high heat dissipation rate, and large dispersion rate. Even passing through a high current it only results in very small current concentration. As the result anode/cathode substrate plates made from said Carbon Nanofiber can pass through very large recharging and discharging electrical current without causing joule heat, nor accompanying heat effects. Therefore, it greatly reduces recharging time. This present invention well mingles speedy electrical recharging by high-physical electrical current flow, with slow electrical discharging by chemical long period low voltage low current flow.
The individual tube diameter of the Carbon Nanofiber is 20-80 nm, with the length of 200-300 nm. The actively characteristics and its relatively large surface area of said tube is most fitted into the manufacture of the anode/cathode substrate plate.
There exists a gap between each set of the substrate plate and its separation membrane, forming a capacitor-like functionality. The separation membrane is made by high-molecule, high- insulation cloth, with the size of the battery inner trough. Since this combination equals to a parallel connection between said capacitor and the battery, and this combination has both characteristics of an uf-class capacitor and a high-capacity battery, the equivalent circuit of this combination can be resembled to a parallel connection of one uf-class capacitor and one high-capacity battery.
To further analyze the equivalent circuit:
When discharging starts, the capacitor discharges first, which would fit with the high current discharging process. During extra long discharging time, the battery may discharge slowly, which would have the characteristic of long time discharging process. The total discharging current amount will equal to the sum current from the capacitor and the battery. When charging starts, the capacitor charges first, that would prevent the possible explosion from the overloaded current. The total charging current will equal to the charged current sum of the capacitor and the battery. This combination is similar to the outer circuit parallelly connected with several capacitors.
Battery has the same working voltage V as capacitors, barring interactions between the two elements. If the battery current was said to be I, the output would be E=IV. If the capacity of the capacitor was said to be C, the output would be W=½ CV2. As the result, output power sum is P=E+W. Power sum is in fact way larger than battery or one single capacitor. While the weight of the device decreased, the power ratio dramatically increased.
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