Electrode
Proton Exchange Membrane Conductivity Testing Device E501P
It is primarily used for measuring the bulk ionic conductivity (perpendicular to the membrane plane) of solid electrolyte membranes such as proton-exchange membranes and ion-exchange membranes, and can also be employed for rapid measurement of the bulk resistivity or conductivity of conventional insulating or conductive thin films. The fixture is made mainly of stainless steel and PEEK, offering resistance to acids, alkalis, and high temperatures. Its electrode leads are positioned on the top of the fixture, enabling in-situ testing in electrolyte solutions (with the fixture placed inside a beaker) or under high-temperature, high-humidity conditions. During the clamping process, the metal electrodes move only vertically without rotating, thereby preventing damage to the membrane. Operation is straightforward: after cutting the membrane to size, place it into the fixture, tighten the knob to ensure proper contact—alternatively, a torque wrench can be used for precise pressure control—and then measure the membrane’s conductivity using the AC impedance spectroscopy (EIS) method.
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Battery Test Cell (Three-Electrode) E200B
Suitable for testing the cathode, anode, and separator performance of lithium, sodium, and potassium batteries; excellent sealing.
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A specialized electrolytic cell compatible with synchrotron radiation facilities, integrating a three-electrode electrochemical system and an X-ray‑transmissive window, enables simultaneous CV and potentiostatic electrolysis while concurrently acquiring XRD, XAFS (XANES/EXAFS), and SAXS data, thereby enabling real-time, in situ monitoring of the catalyst’s crystalline phase, oxidation state, and coordination environment during electrocatalytic processes.
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Corrosion Electrochemical Test Pen EC-PEN
The EC-PEN electrochemical corrosion test pen is a sensor for conducting electrochemical corrosion tests under real‑world conditions. It enables on‑site electrochemical measurements, allowing users to obtain critical information about corrosion rates. Equipped with integrated electrodes and an electrolyte, the EC-PEN is both portable and easy to use. It can be brought into contact with test specimens of any shape or size, facilitating rapid assessment of localized corrosion. The device incorporates an electrolyte reservoir that immerses an Ag/AgCl reference electrode and a Pt wire counter electrode. During measurement, the EC-PEN’s tip—fitted with a porous membrane—is positioned at the target location on the component; the electrolyte then flows out of the tip, wetting the local surface. With minimal preparation, electrochemical corrosion testing of samples can be performed quickly. Thanks to its portability, straightforward sample preparation, and lack of stringent requirements for the test specimen, the EC-PEN opens up new possibilities for in‑situ, nondestructive corrosion monitoring. The EC-PEN is maintenance‑free and typically supports approximately 200 to 500 measurements, with a tip‑contact area of 1.5 mm².
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How to judge the electrolytic cell yin and yang pole?
First of all, look at whether [anode] is an inert electrode (it will be clearly stated in the question) if it is not an inert electrode, such as copper, then copper takes part in the reaction: Cu-2e = = = Cu2 if it is an inert electrode, then only the ion anode in the solution needs to be considered as anion and the cathode as cation anode
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The reference electrode is the electrode used as a reference for comparison when measuring various electrode potentials. The electrode to be measured and the reference electrode of the accurately known electrode potential value constitute a battery, and the electromotive force value of the battery can be measured to calculate the electrode potential of the measured electrode. The electrode reaction carried out on the reference electrode must be a single reversible reaction with stable electrode potential and good reproducibility. Usually, the slightly soluble salt electrode is used as the reference electrode, and the hydrogen electrode is only an ideal but not easy to realize reference electrode.
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Basic requirements for reference electrode
The reversibility of the electrode is better and it is not easy to be polarized. This requires that the reference electrode is reversible and the exchange current density is large (10-5A/cm2). When the current flowing through the electrode is less than 10 − 7A/cm2, the electrode is not polarized. Even if a slightly larger current flows for a short time, the potential can quickly return to the original value after the power is turned off.
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In situ Raman spectroscopy electrical test cell E702
Can do lithium battery discharge test; Study the in-situ spectrum of the material to be tested in the electrochemical test;
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In situ Raman spectroscopy electrical test cell E703
1. Can do lithium battery discharge test; 2. Study the in-situ spectrum of the material to be tested in electrochemical test;
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The difference between primary battery and electrolytic cell
Primary cell and electrolytic cell are two common electrochemical devices, which have some differences in structure and working principle.
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