Towards Smart Sensor Systems for Precision Farming: Electrode Potential Energy Harvesting from Plants' Soil

Review Chemistry, Physical

Next-Generation Cobalt-Free Cathodes - A Prospective Solution to the Battery Industry's Cobalt Problem

Nitin Muralidharan et al.

Summary: This review highlights the issue of overreliance on cobalt in lithium-ion batteries and explores the potential and challenges of cobalt-free cathodes in meeting the growing market demand.

ADVANCED ENERGY MATERIALS (2022)

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Article Plant Sciences

Variations of electric potential in the xylem of tree trunks associated with water content rhythms

Zhibin Hao et al.

Summary: Instantaneous electrical responses in plants have been widely studied, but the mechanism of spontaneous, periodic electric potential alternations in the xylem of tree trunks remains controversial. The generation of the electric potential can be explained by the electrode potential, which depends on ion concentrations near electrodes. However, several different hypotheses about its periodic variations have been proposed, including streaming potential, ion diffusion, charge transport, and oxygen turnover.

JOURNAL OF EXPERIMENTAL BOTANY (2021)

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Article Computer Science, Information Systems

IoT-Ready Energy-Autonomous Parking Sensor Device

Petar Solic et al.

Summary: The article introduces a hardware-based approach to build a self-powered and autonomous sensing node for detecting vehicle presence, using a low-power solution through the joint use of a solar-based energy harvester and Bluetooth low-energy radio. A cost-effective, power autonomous node capable of sensing car presence and transmitting parking lot status is developed.

IEEE INTERNET OF THINGS JOURNAL (2021)

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Article Energy & Fuels

Circular economy of Li Batteries: Technologies and trends

Hayder Ali et al.

Summary: The increasing demand for lithium-ion batteries in electric vehicles and portable electronics has raised concerns about supply risks and environmental issues associated with battery disposal. Current recycling processes vary and have economic implications, while there is potential for reusing spent batteries for lower-end energy storage applications. Further research and development are needed to optimize the economic and environmental benefits of recycling lithium-ion batteries.

JOURNAL OF ENERGY STORAGE (2021)

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Article Computer Science, Information Systems

Analyzing the Capabilities of Electric Field Energy Harvesting Using Natural Leaves

Oswaldo Menendez et al.

Summary: The study analyzed the performance of using natural green leaves as electrodes in Electric Field Energy Harvesters (EFEHs) and proposed a functional EFEH prototype called Leaf-EFEH that can power ultra-low-energy devices. Experimental results showed that Agapanthus Africanus electrodes performed the best, with an open-circuit voltage (VOC) of 111.88 V and a short-circuit current (ISC) of 229.09 nA.

IEEE ACCESS (2021)

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Review Materials Science, Multidisciplinary