Self-powered sensors utilizing single-pillar thermocells with pyrolytic graphite sheet electrodes: harvesting body heat and solar thermal energy

Jiang, Lixian; Ebihara, Teruo; Mukaida, Masakazu; Akaike, Kouki; Shimamoto, Kazumasa; Horike, Shohei; Wei, Qingshuo

doi:10.1016/j.mtener.2024.101668

Materials Today Energy

2024

DOI: 10.1016/j.mtener.2024.101668

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Self-powered sensors utilizing single-pillar thermocells with pyrolytic graphite sheet electrodes: harvesting body heat and solar thermal energy

Lixian Jiang,

Teruo Ebihara,

Masakazu Mukaida

et al.

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High-voltage thermocell modules for direct device operation: eliminating the need for DC-DC converters

Jiang,

Ebihara,

Horike

et al. 2024

Mater. Res. Express

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This study explores the potential of thermocells as an efficient energy-harvesting solution that can power practical devices without the need for a DC-DC converter. We constructed thermocell devices comprising 35 legs using a modified soldering technique and electrode treatment to improve reliability. The devices achieved a peak voltage of 3.5 V at a hot-side temperature of 60°C under natural cooling conditions. These thermocells were integrated with a voltage detector integrated circuit (IC) and beacon, initiating beacon operation within 100 seconds and transmitting signals over 600 times within a 15-minute period. Our findings demonstrate the feasibility of thermocells as an alternative energy source, offering a cost-effective and streamlined approach for energy-harvesting applications without the complexity and expense of DC-DC converters.

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High-voltage thermocell modules for direct device operation: eliminating the need for DC-DC converters

Jiang,

Ebihara,

Horike

et al. 2024

Mater. Res. Express

View full text Add to dashboard Cite

show abstract

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Self-powered sensors utilizing single-pillar thermocells with pyrolytic graphite sheet electrodes: harvesting body heat and solar thermal energy

Cited by 1 publication

References 33 publications

High-voltage thermocell modules for direct device operation: eliminating the need for DC-DC converters

High-voltage thermocell modules for direct device operation: eliminating the need for DC-DC converters

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