Journal
SENSORS
Volume 19, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/s19092170
Keywords
pyroelectric materials; thermal energy harvesters; flexible
Funding
- Global Frontier R&D Program on Center for Hybrid Interface Materials (HIM) - Ministry of Science, ICT and Future Planning Korea [NRF-2016M3A6B1925390]
- Yeungnam University [219A580005]
- National Research Council of Science & Technology (NST) grant by the Korea government (MSIP) [CAP-17-04-KRISS]
- Energy Technology Development Project (KETEP) - Ministry of Trade, Industry and Energy, Republic of Korea [2018201010636A]
- Inha University
- National Research Foundation of Korea [2013M3A6B1078874] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Among the various forms of natural energies, heat is the most prevalent and least harvested energy. Scavenging and detecting stray thermal energy for conversion into electrical energy can provide a cost-effective and reliable energy source for modern electrical appliances and sensor applications. Along with this, flexible devices have attracted considerable attention in scientific and industrial communities as wearable and implantable harvesters in addition to traditional thermal sensor applications. This review mainly discusses thermal energy conversion through pyroelectric phenomena in various lead-free as well as lead-based ceramics and polymers for flexible pyroelectric energy harvesting and sensor applications. The corresponding thermodynamic heat cycles and figures of merit of the pyroelectric materials for energy harvesting and heat sensing applications are also briefly discussed. Moreover, this study provides guidance on designing pyroelectric materials for flexible pyroelectric and hybrid energy harvesting.
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