Composition and Structure Optimized BiFeO3‐SrTiO3 Lead‐Free Ceramics with Ultrahigh Energy Storage Performance
Dielectric ceramic capacitors have attracted increasing attention as advanced pulsed power devices and modern electronic systems owing to their fast charge/discharge speed and high power density. However, it is challenging to meet the urgent needs of lead‐free ceramics with superior energy storage p...
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| Veröffentlicht in: | Small (Weinheim an der Bergstrasse, Germany) Germany), 2022-03, Vol.18 (10), p.e2106515-n/a |
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| creator | Yan, Fei Bai, Hairui Ge, Guanglong Lin, Jinfeng Shi, Cheng Zhu, Kun Shen, Bo Zhai, Jiwei Zhang, Shujun |
| description | Dielectric ceramic capacitors have attracted increasing attention as advanced pulsed power devices and modern electronic systems owing to their fast charge/discharge speed and high power density. However, it is challenging to meet the urgent needs of lead‐free ceramics with superior energy storage performance in practical applications. Herein, a strategy for the composition and structural modification is proposed to overcome the current challenge. The lead‐free ceramics composed of BiFeO3‐SrTiO3 are fabricated. A low hysteresis and high polarization can be achieved via composition optimization. The experimental results and finite element simulations indicate that the two‐step sintering method significantly influences the decrease in the grain size and improvement in the breakdown strength (EBDS). A high EBDS of ≈750 kV cm−1 accompanied by a large maximum polarization (≈40 µC cm−2) and negligible remanent polarization ( |
| doi_str_mv | 10.1002/smll.202106515 |
| format | Article |
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A composition and structure modification strategy is proposed to improve both the polarization and applied electric field. A high EBDS of ≈750 kV cm−1 accompanying with a large Pmax of ≈40 µC cm−2 and negligible Pr below 2 µC cm−2 are achieved, leading to an ultrahigh Wrec of 8.4 J cm−3 and η of ≈90%.</description><identifier>ISSN: 1613-6810</identifier><identifier>EISSN: 1613-6829</identifier><identifier>DOI: 10.1002/smll.202106515</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>BiFeO 3‐SrTiO 3 ; Ceramics ; Composition ; dielectric capacitors ; Electronic devices ; Electronic systems ; Energy storage ; Flux density ; Frequency ranges ; Frequency stability ; Grain size ; lead‐free ceramics ; Nanotechnology ; Optimization ; Polarization ; power density ; Strontium titanates</subject><ispartof>Small (Weinheim an der Bergstrasse, Germany), 2022-03, Vol.18 (10), p.e2106515-n/a</ispartof><rights>2022 Wiley‐VCH GmbH</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-5870-2799 ; 0000-0002-0020-3524</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fsmll.202106515$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fsmll.202106515$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids></links><search><creatorcontrib>Yan, Fei</creatorcontrib><creatorcontrib>Bai, Hairui</creatorcontrib><creatorcontrib>Ge, Guanglong</creatorcontrib><creatorcontrib>Lin, Jinfeng</creatorcontrib><creatorcontrib>Shi, Cheng</creatorcontrib><creatorcontrib>Zhu, Kun</creatorcontrib><creatorcontrib>Shen, Bo</creatorcontrib><creatorcontrib>Zhai, Jiwei</creatorcontrib><creatorcontrib>Zhang, Shujun</creatorcontrib><title>Composition and Structure Optimized BiFeO3‐SrTiO3 Lead‐Free Ceramics with Ultrahigh Energy Storage Performance</title><title>Small (Weinheim an der Bergstrasse, Germany)</title><description>Dielectric ceramic capacitors have attracted increasing attention as advanced pulsed power devices and modern electronic systems owing to their fast charge/discharge speed and high power density. However, it is challenging to meet the urgent needs of lead‐free ceramics with superior energy storage performance in practical applications. Herein, a strategy for the composition and structural modification is proposed to overcome the current challenge. The lead‐free ceramics composed of BiFeO3‐SrTiO3 are fabricated. A low hysteresis and high polarization can be achieved via composition optimization. The experimental results and finite element simulations indicate that the two‐step sintering method significantly influences the decrease in the grain size and improvement in the breakdown strength (EBDS). A high EBDS of ≈750 kV cm−1 accompanied by a large maximum polarization (≈40 µC cm−2) and negligible remanent polarization (<2 µC cm−2) contribute to the ultrahigh energy density and efficiency values of the order of 8.4 J cm−3 and ≈90%, respectively. Both energy density and efficiency exhibit excellent stability over the frequency range of 1–100 Hz and temperatures up to 120 °C, along with the superior power density of 280 MW cm−3, making the studied BiFeO3‐SrTiO3 ceramics potentially useful for high‐power energy storage applications.
A composition and structure modification strategy is proposed to improve both the polarization and applied electric field. A high EBDS of ≈750 kV cm−1 accompanying with a large Pmax of ≈40 µC cm−2 and negligible Pr below 2 µC cm−2 are achieved, leading to an ultrahigh Wrec of 8.4 J cm−3 and η of ≈90%.</description><subject>BiFeO 3‐SrTiO 3</subject><subject>Ceramics</subject><subject>Composition</subject><subject>dielectric capacitors</subject><subject>Electronic devices</subject><subject>Electronic systems</subject><subject>Energy storage</subject><subject>Flux density</subject><subject>Frequency ranges</subject><subject>Frequency stability</subject><subject>Grain size</subject><subject>lead‐free ceramics</subject><subject>Nanotechnology</subject><subject>Optimization</subject><subject>Polarization</subject><subject>power density</subject><subject>Strontium titanates</subject><issn>1613-6810</issn><issn>1613-6829</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpdkM1Kw0AUhYMoWKtb1wNu3KTOT2eSLDW0KkQitF2HycxNOyV_ziSUuvIRfEafxJRKF67uOfBxuHyed0vwhGBMH1xVlhOKKcGCE37mjYggzBchjc5PmeBL78q5LcaM0Gkw8mzcVG3jTGeaGslao0Vne9X1FlDadqYyn6DRk5lDyn6-vhd2aVKGEpB6aHMLgGKwsjLKoZ3pNmhVdlZuzHqDZjXY9X6Ya6xcA3oHWzS2krWCa--ikKWDm7879lbz2TJ-8ZP0-TV-TPyWCsF9JnQeUQkkYpRpSRRhOdWyUJHIOQ-wkBhLwaJc0anmvAiBiYBEWiolFMeajb37425rm48eXJdVxikoS1lD07uMCopxGExpOKB3_9Bt09t6-G6gWMBxSDkZqOhI7UwJ-6y1ppJ2nxGcHfxnB__ZyX-2eEuSU2O_YLN-Gw</recordid><startdate>20220301</startdate><enddate>20220301</enddate><creator>Yan, Fei</creator><creator>Bai, Hairui</creator><creator>Ge, Guanglong</creator><creator>Lin, Jinfeng</creator><creator>Shi, Cheng</creator><creator>Zhu, Kun</creator><creator>Shen, Bo</creator><creator>Zhai, Jiwei</creator><creator>Zhang, Shujun</creator><general>Wiley Subscription Services, Inc</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-5870-2799</orcidid><orcidid>https://orcid.org/0000-0002-0020-3524</orcidid></search><sort><creationdate>20220301</creationdate><title>Composition and Structure Optimized BiFeO3‐SrTiO3 Lead‐Free Ceramics with Ultrahigh Energy Storage Performance</title><author>Yan, Fei ; Bai, Hairui ; Ge, Guanglong ; Lin, Jinfeng ; Shi, Cheng ; Zhu, Kun ; Shen, Bo ; Zhai, Jiwei ; Zhang, Shujun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p2665-36db92ae19323da1c13b2dafc96b55706a00a639bc24d55f8e36719dacc6c50d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>BiFeO 3‐SrTiO 3</topic><topic>Ceramics</topic><topic>Composition</topic><topic>dielectric capacitors</topic><topic>Electronic devices</topic><topic>Electronic systems</topic><topic>Energy storage</topic><topic>Flux density</topic><topic>Frequency ranges</topic><topic>Frequency stability</topic><topic>Grain size</topic><topic>lead‐free ceramics</topic><topic>Nanotechnology</topic><topic>Optimization</topic><topic>Polarization</topic><topic>power density</topic><topic>Strontium titanates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yan, Fei</creatorcontrib><creatorcontrib>Bai, Hairui</creatorcontrib><creatorcontrib>Ge, Guanglong</creatorcontrib><creatorcontrib>Lin, Jinfeng</creatorcontrib><creatorcontrib>Shi, Cheng</creatorcontrib><creatorcontrib>Zhu, Kun</creatorcontrib><creatorcontrib>Shen, Bo</creatorcontrib><creatorcontrib>Zhai, Jiwei</creatorcontrib><creatorcontrib>Zhang, Shujun</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Small (Weinheim an der Bergstrasse, Germany)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yan, Fei</au><au>Bai, Hairui</au><au>Ge, Guanglong</au><au>Lin, Jinfeng</au><au>Shi, Cheng</au><au>Zhu, Kun</au><au>Shen, Bo</au><au>Zhai, Jiwei</au><au>Zhang, Shujun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Composition and Structure Optimized BiFeO3‐SrTiO3 Lead‐Free Ceramics with Ultrahigh Energy Storage Performance</atitle><jtitle>Small (Weinheim an der Bergstrasse, Germany)</jtitle><date>2022-03-01</date><risdate>2022</risdate><volume>18</volume><issue>10</issue><spage>e2106515</spage><epage>n/a</epage><pages>e2106515-n/a</pages><issn>1613-6810</issn><eissn>1613-6829</eissn><abstract>Dielectric ceramic capacitors have attracted increasing attention as advanced pulsed power devices and modern electronic systems owing to their fast charge/discharge speed and high power density. However, it is challenging to meet the urgent needs of lead‐free ceramics with superior energy storage performance in practical applications. Herein, a strategy for the composition and structural modification is proposed to overcome the current challenge. The lead‐free ceramics composed of BiFeO3‐SrTiO3 are fabricated. A low hysteresis and high polarization can be achieved via composition optimization. The experimental results and finite element simulations indicate that the two‐step sintering method significantly influences the decrease in the grain size and improvement in the breakdown strength (EBDS). A high EBDS of ≈750 kV cm−1 accompanied by a large maximum polarization (≈40 µC cm−2) and negligible remanent polarization (<2 µC cm−2) contribute to the ultrahigh energy density and efficiency values of the order of 8.4 J cm−3 and ≈90%, respectively. Both energy density and efficiency exhibit excellent stability over the frequency range of 1–100 Hz and temperatures up to 120 °C, along with the superior power density of 280 MW cm−3, making the studied BiFeO3‐SrTiO3 ceramics potentially useful for high‐power energy storage applications.
A composition and structure modification strategy is proposed to improve both the polarization and applied electric field. A high EBDS of ≈750 kV cm−1 accompanying with a large Pmax of ≈40 µC cm−2 and negligible Pr below 2 µC cm−2 are achieved, leading to an ultrahigh Wrec of 8.4 J cm−3 and η of ≈90%.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/smll.202106515</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-5870-2799</orcidid><orcidid>https://orcid.org/0000-0002-0020-3524</orcidid></addata></record> |
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| subjects | BiFeO 3‐SrTiO 3 Ceramics Composition dielectric capacitors Electronic devices Electronic systems Energy storage Flux density Frequency ranges Frequency stability Grain size lead‐free ceramics Nanotechnology Optimization Polarization power density Strontium titanates |
| title | Composition and Structure Optimized BiFeO3‐SrTiO3 Lead‐Free Ceramics with Ultrahigh Energy Storage Performance |
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