New Supercapacitors Enable More Effective Energy Harvesting

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Capturing and storing sufficient power for wireless sensor applications has alway been a challenge. New SuperXcap(tm) supercapacitors by OptiXtal, Inc. solve this problem.

Energy harvesting calls for collecting light energy from solar or photovoltaic cells, piezoelectric from pressure, kinetic energy from movement, or inductive energy from rotation or motion. This is what generates the low levels of current that make wireless sensors operational. Until recently, however, capturing and storing sufficient power for these wireless applications was a challenge.

New SuperXcap(tm) supercapacitors by OptiXtal, Inc. can solve this problem. By expending all acquired energy in a single power burst to facilitate information transmission or programmed process controls, OptiXtal SuperXcaps will make remote sensors a lot more functional. SuperXcaps are also far more efficient at converting energy gained from the environment than systems based on batteries which recharge slowly and lose their charging capabilities after a few hundred cycles. SuperXcaps recharge in seconds and offer 500,000 or more charge/discharge cycles before changeout is recommended. That means years of reliable functionality...often without upkeep or service visits of any kind to remote sites.

OptiXtal SuperXcaps are ultra-thin and ultra-light. The outer shell is made of a metallic membrane and the flexible bendable packets can be configured in a variety of shapes and sizes. Capacitance values can also be matched to the power requirements of the application. This enables the designer to fit them in small, tight spaces plus design changes to the sensor's circuit architecture is also likely to be unnecessary.

Most supercapacitors are manufactured in a battery-like metallic housing with an exterior hard shell. Clearly, this kind of construction does not offer the design flexibility enabled by OptiXtal ultra-thin SuperXcaps.

SuperXcap supercapacitors can be arranged in series, parallel, or any other design configuration where bridge technology makes sense. For more information on SuperXcap capacitors from OptiXtal, Inc. contact us or call 267-254-5225. One of our engineers will be glad to discuss the feasibility of including SuperXcaps in your next design. Or, visit http://www.optixtal.com.

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Dr. Sagar Venkateswaran

John Zimmermann
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