a negative electrode in a cell or circuit
The reduction which occurs in an electrode, or the positive terminal of a battery.
This is a negative electrode. This electrode emits electrons. See Anode. Jump to top
The negatively charged pole in a battery or electrolytic cell.
in an electric discharge is the source of electrons for the conduction process. The cathode usually will be the most electron-rich region.
In an electrochemical cell, the electrode where reduction is occurring; the negative electrode in an electrolytic cell and the positive electrode in a voltaic cell.
A rectangular plate of metal, produced by electrolytic refining, which is melted into commercial shapes such as wirebars, billets, ingots, etc.
The site at which reduction occurs in an electrochemical cell.
The negative electrode of an electrophoretic system toward which cations migrate.
The electrically negative pole of a device.
The destination of the electrons flowing in a circuit. Normally denoted by O or -ve sign.
The positive electrode or terminal from which current leaves an electrolytic cell, voltaic cell, battery, etc. Referenced in: Skyhooks
electrode where electrochemical reduction reactions occur
In the EW or refining process, the electrical pole to which copper ions plate or attach. Cathodes may be made of stainless steel blanks or copper starter sheets. In the SX/EW process, the electrical pole to which copper ions plate or adhere; also the copper slab thereby produced.
The negative electrode in a battery or electrochemical reaction.
An electrode through which current leaves any non-metallic conductor. Specifically, an electrolytic cathode is an electrode at which positive ions are discharged, or negative ions are formed, or at which other reducing actions occur.
The negative electrode of a semiconductor diode.
A negatively charged electrical element providing electrons for an electrical discharge.
the positively charged terminal of a voltaic cell or storage battery that supplies current
a cap holding an electrode that seals each end of the lamp
a negative electrical pole or terminal
an electrode that attracts negatively charged ions (anions)
a surface that has a negative electrical charge
In electrolysis, the electrode at which positive ions are discharged, negative ions are formed or other reducing reactions occur.
Electrode that receives electrons (reduction reaction).
Electrode where electrons are gained (reduction) in redox reactions.
The negative electrode during electrolysis. Electricity and magnetism
The electrode in an electrochemical cell where reduction takes place. In primary batteries it is always the positive electrode.
place where reduction reactions occur in an electrochemical cell. Electrons flow towards from the cathode in a cell and the cathode becomes negatively charged.
The positive electrode to which electrons flow during discharge.
The terminal or electrode that is negatively charged and from which electrons flow.
Cathode: The electrode maintained at a negative electrical potential. In a plasma gun it is usually the rear electrode.
The positive (+) terminal of a battery or device that is delivering current.
One of two electrodes in a fuel cell or battery. The cathode, the positive post of the fuel cell, has channels etched into it that distribute the oxygen to the surface of the catalyst. It also conducts the electrons back from the external circuit to the catalyst, where they can recombine with the hydrogen ions and oxygen to form water.
The oxygen side of the membrane where reduction of the oxidant occurs. search
The electrode where electrons enter (current leaves) an operating system, such as a battery, an electrolytic cell, an X-ray tube, or a vacuum tube. Opposite of anode.
Negative pole of an electric source.
In EDM, a term to denote the workpiece, or the negative terminal of a battery.
The negative electrode of a device in an electrical circuit.
A cathode is an electrode that emits or gives off electrons - the type of electrode in a fluorescent lamp. The fluorescent lamp cathode emits or discharges electrons to the cathode (acting also as anode) at the opposite end of the lamp.
The electrode of negative polarity.
The positive portion of the battery; the electrode that receives electrons as a battery is charged.
The positive electrode in an electrochemical cell. Electrons flow back into a fuel cell through the cathode.
The negative electrode in an electrolytic cell or an electron tube.
A flat rectangular piece of metal which has been refined by electrolysis (qv) or electrowinning (qv). Copper and nickel are commonly traded and delivered in this form. Copper is always traded as whole plates. Nickel may be whole plates or cut into squares of various sizes down to 1 in.xl in.
The positive electrode of a voltaic cell. The electrode that, in effect, oxidizes the anode or absorbs the electrons.
the negative electrode in an electrochemical cell at which reduction occurs, eg where copper is plated from an acidic copper sulfate solution.
The electrode where reduction (gain of electrons) takes place. When discharging, it is the positive electrode, when charging, it becomes the negative electrode.
The electrode in an electrochemical cell where reduction takes place. During discharge, the positive electrode of the cell is the cathode. During charge, the situation reverses, and the negative electrode of the cell is the cathode.
Refers to copper which is in flat bar form and is exchange tradeable.
The positive electrode of a non-rechargeable (primary) cell at which a reduction reaction (gain of electrons) occurs. In rechargeable (secondary) cells, either electrode may become the cathode, depending upon direction of current flow.
The negative electrode or connection of an electrolytic cell or semiconductor device.
A negative electrode.It is the electrode from which current leaves an electrolytic cell.
Produces electrons in a cathode ray tube
Unmelted flat plate produced by electrolytic refining process of anode copper.
The negative electrode of an X-ray tube.
The positive electrode. The electrode at which a reduction reaction (gain of electrons) occurs.
Positively charged electrode on the oxygen side of the fuel cell. This is where the electrons react with the oxygen and hydrogen ions to form water.
The fundamental negatively-charged electrode (positive pole) in a radio valve or radio tube; opposite to anode. Sometimes referred to as a ‘ filament', especially in a diode.
the electron-emitting area of an electron tube; see anode
The electrode at which reduction (a gain of electrons) occurs. For fuel cells and other galvanic cells, the cathode is the positive terminal; for electrolytic cells (where electrolysis occurs), the cathode is the negative terminal.
The negative electrode in electrolysis
The electrode in an electrochemical cell that accepts electrons from an external circuit and where a by-product is produced during corrosion. Cathodic reaction. The reduction reaction occurring at the cathode in an electrochemical cell.
In a primary or secondary cell, the electrode that, in effect, oxidizes the anode or absorbs the electrons.
A rectangular metal plate with a negative charge used in electrolytic refining. The deposited metal recovered onto this plate is called cathode metal and is melted into commercial shapes such as bars or ingots.
the electrode of an electrochemical cell at which reduction occurs: a : the negative terminal of an electrolytic cell b : the positive terminal of a galvanic cell.
The positive electrode of a battery (or other device).
The cathode is a PVD term, often referring to the source or target. More strictly speaking, it is the negative electrode to which the target material to be evaporated is fixed.
n. The negative pole or electrode of a galvanic battery.
in a galvanic cell, the electrode at which reduction occurs.
The electrode at which reduction occurs. Cations migrate to the cathode
Negatively charge electrode. Electrode of an electrolytic cell at which reduction is the principle reaction. (Electrons flow towards the cathode in the external circuit.)
One of two electrodes in a fuel cell or battery. In a fuel cell, it is where oxygen (usually taken from the air) "reduction" occurs.
The negative electrode at which reduction processes take place in a liquid solution, i.e. where cations (positively charged ions) are precipitated (gain in electrons). In secondary cells, each of the electrodes can become cathodes depending on the direction of the current. The positive electrode is the cathode when discharging
The cathode is defined as the electrode at which chemical reduction takes place. In electrodeposition (E-Coating), the cathode is indicated on diagrams by the negative (-) marking.
The negatively doped electrode of a polarized component such as a diode.
The electrode in a cell/battery where reduction takes place. During discharge, the positive electrode of the cell/battery is the cathode. During charge in a rechargeable battery, the negative electrode is the cathode.
electrode which accepts electrons during corrosion. The half reaction at the cathode is called reduction and the metal is said to be reduced. The cathode is not destroyed during corrosion.
The electrode of an electrolytic cell at which reduction is the principal reaction. (Electrons How toward the cathode in the external circuit.) Typical cathodic processes are cation' taking up electrons and being discharged, oxygen being reduced. and the reduction of an element or group of elements from a high Cl a lower valence state. Contrast with anode.
The negative terminal of an electrolytic cell, which, in the corrosion process, is protected and not attacked.
The "negative" terminal of a diode.
The negative electrode in an electron device. A cathode is the most negative electrode in an ion pump, which can discharge electrons and accumulate positive ions.
1. The primary source of electrons in an electron tube. In directly heated tubes the filament is the cathode. In indirectly heated tubes a coated metal cathode surrounds a heater. Other types of cathodes emit electrons under the influence of light or high voltage. 2. The negative electrode of a two terminal semiconductor device.
The negative electrode of a capacitor.
The cathode is the electrode in a cell where reduction occurs.
A cathode has a positive electrical charge; all negative ions move towards the cathode.
The electrode at which reduction occurs. See also: Reduction
In corrosion processes, usually the metal that is not corroded. (2) See also under Copper.
the negative terminal of an electrolytic cell. See also, anode.
in electron tubes, the electrode from which an emission of electrons take place. In photocells and some camera tubes, the electrode from which electrons are released when light is present.
Is an electrode that, in effect, oxidizes the anode or absorbs the electrons. During discharge, the positive electrode of a voltaic cell is the cathode. When charging, that reverses and the negative electrode of the cell is the cathode.
In a diode, the electrode that must be negative with respect to the anode (plate) to allow the diode to conduct.
Compare with anode. The electrode at which reduction occurs.
Electrode that is reduced. It is the positive electrode in primary batteries. For rechargeable batteries this is true only during discharging, as mentioned above.
Material that current flows to inside a battery.
Negative electrode in electrolytic cells used in the smelting process.
A negative pole of an electrolytic system; an electrode where reduction occurs.
An electrode carrying a negative charge.
Negative pole or electrode of an electrolytic system.
The electrically negative terminal of a battery, or the electron source of a vacuum tube.
A cathode is the opposite of an anode. A cathode in a television is essentially a filament coated in a substance that gives off negative electrons when heated. In many ways, the filament is like the filament on a light bulb.
The negative pole on an electric source.
The electrode at which reduction occurs and from which electrons are repelled.
A negatively charged terminal in an electrical cell.
A negatively charged electrode.
A cathode is an electrode through which electric current flows out of a polarised electrical device.