Next generation miniature supercapacitor for energy storage

August 31, 2021 // By Nick Flaherty
Next generation miniature supercapacitor for energy storage
Miniature supercapacitors deliver extended lifetime, high power density, fast charging, and high reliability at 85°C for energy storage

Kemet, part of the Yageo Group, has launched a high-performance miniature supercapacitor range for IoT and industrial applications

The FMD and FU0H series deliver 1,000 hours at 85°C/85% RH-rated voltage and operational temperature ranging from -40°C to 85°C. The FMD series offers the highest lifetime with up to 4,000 hours.

These supercapacitors are qualified to an automotive testing protocol and manufactured in an ISO TS 16949 certified plant for applications that need a main power system backup during a power loss. Supercapacitors can maintain the main power system’s real-time clock or volatile memory when it is removed, such as during a power failure or when the main power system’s battery has been removed for replacement in equipment ranging from IoT devices, smart meters, medical devices, and industrial computing.

Kemet’s miniature supercapacitors use a proprietary aqueous electrolyte solution that provides high durability against liquid leakage, vibrations, and thermal shock, thus high reliability in harsh environments.

Aqueous electrolytes are highly conductive, have a low environmental impact, and are non-toxic and non-flammable. Unlike a battery, supercapacitors store and release energy quickly through physical adsorption and the ions desorption in the electrolyte between its electrodes.

With the supercapacitor’s low internal resistance, these devices can fully charge within a few seconds. In contrast, a secondary battery cell can take from ten minutes to several hours to fully charge. They also typically have a greater resistance to moisture absorption than organic compounds, resulting in a longer life with better stability.

The FMD and FU0H series supercapacitors are available immediately via KEMET distributors.

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