Surface stress measurement of solid electrode.

Measurement of twitch transdiaphragmatic pressure: surface versus needle electrode stimulation.

The transdiaphragmatic pressure (Pdi) generated during bilateral supramaximal phrenic nerve stimulation at 1 Hz from surface stimulating electrodes was compared with pressures obtained from needle electrodes inserted under local anaesthesia. Surface electrodes were used to obtain diaphragmatic electromyograms and magnetometers to monitor rib cage and abdominal configuration. Twitch Pdi was reco...

Direct measurement of crystal surface stress.

Real-time measurement of electrode impedance during intracochlear electrode insertion.

OBJECTIVES/HYPOTHESIS This pilot study details the use of a software tool that uses continuous impedance measurement during electrode insertion, with the eventual potential to assess and optimize electrode position and reduce insertional trauma. STUDY DESIGN Software development and experimental study with human cadaveric cochleae and two live surgeries. METHODS A prototype program to measu...

The Dynamic Electrode Surface

Faraday Discussion 121, organised by the Royal Society of Chemistry, Faraday Division, was held at the Fritz-Haber-Institut der Max-PlanckGesellschaft, Berlin, Germany, from 15th to 17th April 2002. This event attracted 107 prominent electrochemists or surface scientists from research centres or universities from 17 countries. Less than five representatives from industry attended. Faraday Discu...

Estimation of the Stress Intensity Factors for Surface Cracks in Spherical Electrode Particles Subject to Phase Separation

Experiments have frequently shown that phase separation in lithium-ion battery electrodes could lead to the formation of mechanical defects, hence causing capacity fading. The purpose of the present work has been to examine stress intensity factors for pre-existing surface cracks in spherical electrode particles during electrochemical deintercalation cycling using both analytical and numerical ...