Electrode Systems, Devices and Methods
An electrode system include a flowable and cohesive surface contact element comprising a hydrophilic polymer swollen with an electrolyte fluid, the contact element having a Q' ratio (A) of at least 5 as defined by the equation wherein WG is the dry weight of the hydrophilic polymer and WW is weight of water in the sample after absorption of the electrolyte fluid comprising water and an electrolyte salt. The surface contact element can consist essentially of the hydrophilic polymer swollen by the electrolyte fluid. Another electrode system includes a contact element including a cross linked hydrophilic polymer matrix. The contact element has a Q' ratio (A) of at least 5 as defined by the equation. The contact elements can also have a Q' ratio (A) of at least 6, at least 7, at least 10 or even at least 11.
CUI XINYAN [US]; ALBA NICOLAS ALEXANDER [US]; SUN MINGUI [US]
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