Feds issue dire warning about 'horrific' online plot against kids

A network of online extremists want to destroy society, federal authorities say. Parents should know kids are at risk in ...
Electronic Design

Can EIS Measure Self-Discharge of a Lithium-Ion Battery Cell?

Self-discharge is a normally occurring phenomenon in lithium-ion battery cells. A normal cell may have a self-discharge rate of 1% state of charge (SOC) per month. The normal self-discharge rate is ...
IEEE

Admittance-Based Stability Analysis: Bode Plots, Nyquist Diagrams or Eigenvalue Analysis?

Abstract: In the literature, Bode plots and Nyquist diagrams are used extensively in stability analysis for admittance-based models. In this letter, we demonstrate that eigenvalues obtained from the ...
eeworldonline

What is the math of negative feedback and how is it used to ensure stability?

Negative feedback can create a control system where the output of a process is used to counteract any deviations from a desired set point, effectively “correcting” the system, bringing it back to ...
C&EN

Exceptional Anhydrous Proton Conduction in Covalent Organic Frameworks

The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/jacs.4c06049. Methods and characterizations, materials and synthetic ...
Frontiers

Electrochemical impedance spectroscopy applied to microbial fuel cells: A review

Electrochemical impedance spectroscopy (EIS) is an efficient and non-destructive test for analyzing the bioelectrochemical processes of microbial fuel cells (MFCs). The key factors limiting the output ...
Frontiers

New Approach for Investigating Diffusion Kinetics Within Capacitive Deionization Electrodes Using Electrochemical Impedance Spectroscopy

Capacitive deionization (CDI) has become an important research topic in terms of water purification as it is a cost- and energy efficient approach for the desalination of brackish water. Carbon- based ...