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Off-grid medium-power (1–10 W) systems require either battery-or supercapacitor-based ambient energy harvesting for sustaining their operation. Supercapacitor-based harvesters are advantageous in autonomous field systems due to their extended lifetime, easy power management, and low maintenance requirement; however, they can reach only up to 10% of the energy density of rechargeable batteries. To...
For autonomous medium power (1–10 W) field systems deployed in off-grid applications without established power infrastructure, two system design criteria are crucially important: i) continuous availability of power, ii) robust and low-maintenance operation. In this paper, we provide circuit and system designs for energy harvesters that address both issues by utilizing supercapacitors as their energy...
To enable off-grid deployments of autonomous systems for extended operational durations, robust energy harvesting in the medium power range (1-10 W) is essential. Supercapacitor-based solar energy harvesters have emerged as a popular alternative due to their long lifetime under repeated charge-discharge cycles, low maintenance, environmental friendliness, and energy predictability and scalability...
Energy harvesting systems that couple solar panels with supercapacitor buffers offer an attractive option for powering computational systems deployed in field settings, where power infrastructure is inaccessible. Supercapacitors offer a particularly compelling advantage over electrochemical batteries for such settings because of their ability to survive many more charge–discharge cycles. We share...
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