A simple microbial electrochemical cell model and dynamic analysis towards control design

2019 ◽  
Vol 207 (4) ◽  
pp. 493-505 ◽  
Author(s):  
R. A. Flores-Estrella ◽  
G. Rodríguez-Valenzuela ◽  
J. R. Ramírez-Landeros ◽  
V. Alcaraz-González ◽  
V. González-Álvarez
2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Mingzi Sun ◽  
Qiuyang Lu ◽  
Zhong Lin Wang ◽  
Bolong Huang

AbstractThe charge transfer phenomenon of contact electrification even exists in the liquid–solid interface by a tiny droplet on the solid surface. In this work, we have investigated the contact electrification mechanism at the liquid–solid interface from the electronic structures at the atomic level. The electronic structures display stronger modulations by the outmost shell charge transfer via surface electrostatic charge perturbation than the inter-bonding-orbital charge transfer at the liquid–solid interface, supporting more factors being involved in charge transfer via contact electrification. Meanwhile, we introduce the electrochemical cell model to quantify the charge transfer based on the pinning factor to linearly correlate the charge transfer and the electronic structures. The pinning factor exhibits a more direct visualization of the charge transfer at the liquid–solid interface. This work supplies critical guidance for describing, quantifying, and modulating the contact electrification induced charge transfer systems in triboelectric nanogenerators in future works.


2017 ◽  
Vol 5 (43) ◽  
pp. 22683-22696 ◽  
Author(s):  
Franky E. Bedoya-Lora ◽  
Anna Hankin ◽  
Geoff H. Kelsall

A photo-electrochemical cell model was developed accounting for photon flux, electron–hole recombination rates, gas desorption, bubble formation and cross-over losses.


2009 ◽  
Vol 3 ◽  
pp. BBI.S2116 ◽  
Author(s):  
Chun-Liang Lin ◽  
Yuan-Wei Liu ◽  
Chia-Hua Chuang

Signal transduction networks of biological systems are highly complex. How to mathematically describe a signal transduction network by systematic approaches to further develop an appropriate and effective control strategy is attractive to control engineers. In this paper, the synergism and saturation system (S-systems) representations are used to describe signal transduction networks and a control design idea is presented. For constructing mathematical models, a cascaded analysis model is first proposed. Dynamic analysis and controller design are simulated and verified.


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