It features two thin sheets of lithium alloys which
act as electrodes sandwiched around a layer of porous polymer soaked in a liquid electrolyte.
These act as electrodes and additionally are coated with catalysts.
The tandem device also requires a window layer on top, which
acts as an electrode, but limits the amount of light passing through.
Now, researchers at DOE's Pacific Northwest National Laboratory and the University of Chicago obtained the first 3 - D view of the atomic structure at the interface of water and the mineral hematite while the hematite is
acting as an electrode.
Not exact matches
«The open - pore
electrode is also free of binding agents that
act as insulators and diminish performance.»
The resulting cluster of nanotubes, fused to two palladium
electrodes,
acted as a transistor (Nano Letters, DOI: 10.1021 / nl050405n).
Team members sprayed carbon nanotubes onto a plastic film — two such films
act as both the device's
electrodes and charge collectors.
The patented method involves placing the
electrode of the device close to the skin, with the skin itself
acting as the second
electrode.
One group had tDCS during the training sessions, while the other group
acted as a control: they were fitted with
electrodes but did not receive tDCS.
The resulting cluster of nanotubes, fused to two palladium
electrodes,
acted as a transistor.
The liquefied salt
acts as a source of lithium ions that conduct through the electrolyte to the
electrodes.
In a semi-transparent solar cell module
as shown in the photograph,
electrodes with two variants of the polymer PEDOT: PSS (commonly used in organic electronics) are used, where one
acts as the anode and the other is modified to become the cathode.
When the
electrodes and the active layer are printed
as thin films on top of each other, defects in one layer will
act as points of attack for the next layer to be printed.
The device developed at UCLA has a third
electrode that
acts as both a supercapacitor, which stores energy, and
as a device for splitting water into hydrogen and oxygen, a process called water electrolysis.
When those metals come into contact with sweat, saline or even fluid discharges from wounds, silver
acts as the positive
electrode and zinc serves
as the negative
electrode — and electricity flows between them.
Creating a voltage between them allowed current to flow between the two perpendicular
electrodes — separated from each other by just 20 nanometres, through the single phosphorus atom, which
acted as a transistor.
They patterned the indium arsenide wires over other even smaller metal wires that
act as gate
electrodes, which control the energy levels in the dots.
This complex layer quickly forms from the decomposition products in the battery's electrolyte, the substance in batteries that
acts as a medium to conduct lithium ions between
electrodes.
A heart - on - a-chip being developed in the lab of Gordana Vunjak - Novakovic, professor of biomedical engineering at Columbia University, incorporates
electrodes that
act like mini pacemakers to «shock» the cells into beating, just
as they would in a real heart.
To make these batteries more stable, researchers have traditionally worked to develop protective coatings for their
electrodes, and to develop new polymer binders that
act as the glue holding battery components together.
The coating is a nickel oxide film that prevents rusts building - up on the semiconductor
electrodes (silicon or gallium arsenide), while also
acting as a highly reactive catalysis.
In most cases, what you get for your money is a box with three or four 9 volt batteries connected in series with a switch to turn it on, a light bulb in the circuit which will light up if the terminals are accidentally touched together (it
acts as a fuse which won't blow in case of a short circuit), a couple of leads with clips and two silver
electrodes which in most cases are small gauge silver wires.
Micron also
acts as a distributor of metal snap fasteners (snaps), another component used in the manufacture of disposable
electrodes.