Supercapacitor Testing Kit with Electrode, Gel Electrolyte, and Cell, CSTK
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Building a complete supercapacitor testing kit requires three fundamental pillars: a high-precision test cell, high-purity electrode materials, and a compatible electrolyte. For research-grade results, using a dedicated split test cell is superior to standard coin cells as it allows for rapid electrode replacement and manual pressure adjustment.
(1) The most common platform for laboratory testing is the Split Test Cell. These are often made of high-quality stainless steel or PEEK (polyether ether ketone), or PMMA and feature a split design that allows you to easily insert and remove your carbon electrodes and separator without the need for a specialized crimping machine.
(2) The performance of your supercapacitor is primarily defined by the surface area of your electrode. For a standard testing kit, you will need a high-surface-area carbon and a separator that facilitates fast ion flow. (a) Active Material: Activated Carbon with a surface area above 1,500 m²/g is the industry standard. (b) Current Collector: Carbon Coated Aluminum Foil is highly recommended for the current collector to ensure low contact resistance. (3) Separator: Glass Fiber Filters (like the Whatman GF/A) are commonly used in research because they have excellent thermal stability and high porosity, which helps in absorbing and holding the liquid electrolyte.
(3) The electrolyte determines the voltage window and the safety profile of the testing supercapacitor device. (a) Aqueous Electrolytes: Using 6M KOH or 1M H2SO4 is common for initial testing. These are low-cost and offer high ionic conductivity, but are limited to a voltage of around 1.0 V. (2) Organic Electrolytes: For higher energy density, researchers use salts like TEABF4 dissolved in acetonitrile. This allows you to reach up to 2.7 V or higher. (3) Ionic Liquids: For cutting-edge research, ionic liquids like EMIM-TFSI provide the widest voltage window and best safety (non-flammable) but are more expensive.
| Part Number |
CSTK (C-S-TK) |
| Testing Kit Components |
(1) Self-Standing Electrode: Activated carbon electrode (5cm*5cm, 11 mg/cm2, YP50F: Carbon Black: PTFE= 85:10:5)
Other options of MnO2 and Co3O4 can be additionally purchased here: CSSSES (2) Flexible Gel Electrolytes:
(3) Current Collector: Graphite foil with welded tab
Other options of aluminum, copper, titanium, and stainless steel foils can be additionally purchased here: CSECCWT (4) Separator (W135 mm * L 1000 mm) for aqueous electrochemical supercapacitor (Optional, not included).
Note: If the above gel electrolyte was selected, the separator is not necessary. (5) Plastic Sealing Bags (120mm*80mm, 5 pcs are included). Customer can use their own heat sealer (Not Included) to seal bag with cell
(6) Testing Cell (75mm*75mm*10mm, that is suitable for any electrode width less than 40 mm). The large one (150mm*150mm*10mm) is available upon request.
(7) Other accessories (Optional, not included), such as small LED panel, cell phone charging module, and multifunctional charger. |
