Nano Science and Technology Institute
Nanotech 2012 Vol. 3
Nanotech 2012 Vol. 3
Nanotechnology 2012: Bio Sensors, Instruments, Medical, Environment and Energy (Volume 3)
Chapter 8: Energy Storage, Novel Generation & Nano Materials

An Electron-Relay Prototype Supercapacitor Mimics Electrophorus Electricus’s Reversible Membrane Potential for Multiple-organ Discharge

Authors:E.T. Chen, C. Ngatchou
Affilation:Advanced Biomimetic Sensors, Inc., US
Pages:630 - 632
Keywords:electron-relay supercapacitor, reversible membrane potential, nano-biomimetic electrophorus electricus device, multiple-organ discharge, asymmetric design
Abstract:Electrophorus Electricus (EE) is known to discharge electric voltage through multiple organs based on Reversible Membrane Potential (RMP). We report a new type of supercapacitor for mimicking the EE’s RMP based on an electron-relay nano-biomimetic membrane electrode assembling (ERNBIMMEA) and an asymmetric membrane design with features of free from ion channeling effect and negligible double layer potential. The results obtained by a double step chronopotentiometry (GDSCPO) method shown the Biomimetic EE device has the reversible membrane potential in both sizes of 0.2 and 0.4 cm3. It can firing high electric spikes at either end of anode and cathode with a firing rate of 2-fold higher compared with the EE’s 3.75V/s. The power and energy density for a single 0.2 cm3 cell are several magnitudes higher than the EE’s single electrocyte of 0.03 W/kg and 0.03Whr/kg. The capacitance of the 0.2cm3 biomimetic EE increased linearly from 0.25 to 13,240 µF/cm2 over 0.015 to 1000 Hz range. This study was built upon our group’s previous work (the 44th Proceedings of Power Sources Conference, 333-336, 2010. Clean Technology 204-207, 2011). The advantages of the lighter weight and the biomimetic reversible membrane potential technology may provide means for higher energy storage.
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