Optimization of Non-Uniform Deformation on Piezoelectric Circular Diaphragm Energy Harvester with a Ring-Shaped Ceramic Disk
Piezoelectric energy harvesting technology using the piezoelectric circular diaphragm (PCD) has drawn much attention because it has great application potential in replacing chemical batteries to power microelectronic devices. In this article, we have found a non-uniform strain distribution inside th...
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| creator | Xu, Chaoqun Li, Yuanbo Yang, Tongqing |
| description | Piezoelectric energy harvesting technology using the piezoelectric circular diaphragm (PCD) has drawn much attention because it has great application potential in replacing chemical batteries to power microelectronic devices. In this article, we have found a non-uniform strain distribution inside the PCD energy harvester. From the edge to the center of the ceramic disk, its output voltage first increases and then decreases. This uneven output voltage reduces the output power of the PCD energy harvester. Based on this phenomenon, we reduce the ceramic disk diameter and dig a hole in the center, analyzing the effect of removing the ceramic disk's low output voltage part on the PCD energy harvester. The experimental results show that removing the ceramic disk's low output voltage part can improve the output power, reduce the resonance frequency, and increase the optimal impedance of the PCD energy harvester. Under the conditions of 10 g proof mass, 9.8 m/s(2) acceleration, the PCD energy harvester with a 19-mm diameter and a 6-mm hole can reach a maximum output power of 8.34 mW. |
| doi_str_mv | 10.3390/mi11110963 |
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In this article, we have found a non-uniform strain distribution inside the PCD energy harvester. From the edge to the center of the ceramic disk, its output voltage first increases and then decreases. This uneven output voltage reduces the output power of the PCD energy harvester. Based on this phenomenon, we reduce the ceramic disk diameter and dig a hole in the center, analyzing the effect of removing the ceramic disk's low output voltage part on the PCD energy harvester. The experimental results show that removing the ceramic disk's low output voltage part can improve the output power, reduce the resonance frequency, and increase the optimal impedance of the PCD energy harvester. Under the conditions of 10 g proof mass, 9.8 m/s(2) acceleration, the PCD energy harvester with a 19-mm diameter and a 6-mm hole can reach a maximum output power of 8.34 mW.</description><identifier>ISSN: 2072-666X</identifier><identifier>EISSN: 2072-666X</identifier><identifier>DOI: 10.3390/mi11110963</identifier><identifier>PMID: 33126540</identifier><language>eng</language><publisher>BASEL: Mdpi</publisher><subject>Chemistry ; Chemistry, Analytical ; Instruments & Instrumentation ; Nanoscience & Nanotechnology ; non-uniform strain distribution ; Physical Sciences ; Physics ; Physics, Applied ; piezoelectric circular diaphragm (PCD) ; piezoelectric energy harvesting ; Science & Technology ; Science & Technology - Other Topics ; Technology</subject><ispartof>Micromachines (Basel), 2020-10, Vol.11 (11), p.963, Article 963</ispartof><rights>2020 by the authors. 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>5</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000593156900001</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c421t-3c96ada182583d40450a6a58df793f1a9ac808dfc4453b8e81bff8df663a7de93</citedby><cites>FETCH-LOGICAL-c421t-3c96ada182583d40450a6a58df793f1a9ac808dfc4453b8e81bff8df663a7de93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7692083/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7692083/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2114,27924,27925,53791,53793</link.rule.ids></links><search><creatorcontrib>Xu, Chaoqun</creatorcontrib><creatorcontrib>Li, Yuanbo</creatorcontrib><creatorcontrib>Yang, Tongqing</creatorcontrib><title>Optimization of Non-Uniform Deformation on Piezoelectric Circular Diaphragm Energy Harvester with a Ring-Shaped Ceramic Disk</title><title>Micromachines (Basel)</title><addtitle>MICROMACHINES-BASEL</addtitle><description>Piezoelectric energy harvesting technology using the piezoelectric circular diaphragm (PCD) has drawn much attention because it has great application potential in replacing chemical batteries to power microelectronic devices. In this article, we have found a non-uniform strain distribution inside the PCD energy harvester. From the edge to the center of the ceramic disk, its output voltage first increases and then decreases. This uneven output voltage reduces the output power of the PCD energy harvester. Based on this phenomenon, we reduce the ceramic disk diameter and dig a hole in the center, analyzing the effect of removing the ceramic disk's low output voltage part on the PCD energy harvester. The experimental results show that removing the ceramic disk's low output voltage part can improve the output power, reduce the resonance frequency, and increase the optimal impedance of the PCD energy harvester. Under the conditions of 10 g proof mass, 9.8 m/s(2) acceleration, the PCD energy harvester with a 19-mm diameter and a 6-mm hole can reach a maximum output power of 8.34 mW.</description><subject>Chemistry</subject><subject>Chemistry, Analytical</subject><subject>Instruments & Instrumentation</subject><subject>Nanoscience & Nanotechnology</subject><subject>non-uniform strain distribution</subject><subject>Physical Sciences</subject><subject>Physics</subject><subject>Physics, Applied</subject><subject>piezoelectric circular diaphragm (PCD)</subject><subject>piezoelectric energy harvesting</subject><subject>Science & Technology</subject><subject>Science & Technology - Other Topics</subject><subject>Technology</subject><issn>2072-666X</issn><issn>2072-666X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><sourceid>DOA</sourceid><recordid>eNqNksFu1DAQhiMEolXphSfwEYECduw49gUJZQutVFEEVOJmTZzxrktiL062VSseHm93VeiNOXhmPP98ljxTFC8Zfcu5pu9Gz7JRLfmT4rCiTVVKKX88_Sc-KI6n6Ypmaxqdj-fFAeeskrWgh8Xvi_XsR38Hs4-BREc-x1BeBu9iGskCt25fCuSLx7uIA9o5eUtan-xmgEQWHtarBMuRnARMy1tyCukapxkTufHzigD56sOy_LaCNfakxQRjbl_46eeL4pmDYcLjvT8qLj-efG9Py_OLT2fth_PSiorNJbdaQg9MVbXivaCipiChVr1rNHcMNFhFc2aFqHmnULHOuZxLyaHpUfOj4mzH7SNcmXXyI6RbE8Gb-4uYlgbS7O2ARlSWO-2wEbYTXOmuZ4LzuqOdQ4tKZdb7HWu96UbsLYY5wfAI-rgS_Mos47VppK6o4hnwag9I8dcm_5MZ_WRxGCBg3EymErUUjHMus_T1TmpTnKaE7uEZRs12-ubv9LP4zU58g110k_UYLD405OnXmrNa6u0isKxW_69u_Xy_BG3chJn_AUfCw9Q</recordid><startdate>20201028</startdate><enddate>20201028</enddate><creator>Xu, Chaoqun</creator><creator>Li, Yuanbo</creator><creator>Yang, Tongqing</creator><general>Mdpi</general><general>MDPI</general><general>MDPI AG</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20201028</creationdate><title>Optimization of Non-Uniform Deformation on Piezoelectric Circular Diaphragm Energy Harvester with a Ring-Shaped Ceramic Disk</title><author>Xu, Chaoqun ; Li, Yuanbo ; Yang, Tongqing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c421t-3c96ada182583d40450a6a58df793f1a9ac808dfc4453b8e81bff8df663a7de93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Chemistry</topic><topic>Chemistry, Analytical</topic><topic>Instruments & Instrumentation</topic><topic>Nanoscience & Nanotechnology</topic><topic>non-uniform strain distribution</topic><topic>Physical Sciences</topic><topic>Physics</topic><topic>Physics, Applied</topic><topic>piezoelectric circular diaphragm (PCD)</topic><topic>piezoelectric energy harvesting</topic><topic>Science & Technology</topic><topic>Science & Technology - Other Topics</topic><topic>Technology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Chaoqun</creatorcontrib><creatorcontrib>Li, Yuanbo</creatorcontrib><creatorcontrib>Yang, Tongqing</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Micromachines (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Chaoqun</au><au>Li, Yuanbo</au><au>Yang, Tongqing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimization of Non-Uniform Deformation on Piezoelectric Circular Diaphragm Energy Harvester with a Ring-Shaped Ceramic Disk</atitle><jtitle>Micromachines (Basel)</jtitle><stitle>MICROMACHINES-BASEL</stitle><date>2020-10-28</date><risdate>2020</risdate><volume>11</volume><issue>11</issue><spage>963</spage><pages>963-</pages><artnum>963</artnum><issn>2072-666X</issn><eissn>2072-666X</eissn><abstract>Piezoelectric energy harvesting technology using the piezoelectric circular diaphragm (PCD) has drawn much attention because it has great application potential in replacing chemical batteries to power microelectronic devices. In this article, we have found a non-uniform strain distribution inside the PCD energy harvester. From the edge to the center of the ceramic disk, its output voltage first increases and then decreases. This uneven output voltage reduces the output power of the PCD energy harvester. Based on this phenomenon, we reduce the ceramic disk diameter and dig a hole in the center, analyzing the effect of removing the ceramic disk's low output voltage part on the PCD energy harvester. The experimental results show that removing the ceramic disk's low output voltage part can improve the output power, reduce the resonance frequency, and increase the optimal impedance of the PCD energy harvester. 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| subjects | Chemistry Chemistry, Analytical Instruments & Instrumentation Nanoscience & Nanotechnology non-uniform strain distribution Physical Sciences Physics Physics, Applied piezoelectric circular diaphragm (PCD) piezoelectric energy harvesting Science & Technology Science & Technology - Other Topics Technology |
| title | Optimization of Non-Uniform Deformation on Piezoelectric Circular Diaphragm Energy Harvester with a Ring-Shaped Ceramic Disk |
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