Enhanced energy storage properties of KNbO3 modified (Bi0.5Na0.5)TiO3–BaTiO3 based lead-free relaxor ferroelectric ceramics
Dielectric capacitors are widely used in pulse devices because of their fast charge/discharge speed. However, the low energy storage density limits their application. In this work, (1 − x)(Bi0.5Na0.5)0.94Ba0.06Ti0.99(Y0.5Nb0.5)0.01O3-xKNbO3 (BNBTYN-100xKN) lead-free relaxor ferroelectric ceramics we...
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| Veröffentlicht in: | New journal of chemistry 2022-11, Vol.46 (43), p.20965-20971 |
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| container_issue | 43 |
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| container_title | New journal of chemistry |
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| creator | Yang, Fan Li, Qiang Hou, Dingwei Jia, Yuxin Wang, Weijia Fan, Huiqing |
| description | Dielectric capacitors are widely used in pulse devices because of their fast charge/discharge speed. However, the low energy storage density limits their application. In this work, (1 − x)(Bi0.5Na0.5)0.94Ba0.06Ti0.99(Y0.5Nb0.5)0.01O3-xKNbO3 (BNBTYN-100xKN) lead-free relaxor ferroelectric ceramics were fabricated via a solid-state sintering technique. K+ and Nb5+ were completely diffused into the BNBTYN lattice and formed solid solutions. The incorporation of KNbO3 reduced the symmetry of BNBTYN-100xKN ceramics and destroyed the long-range ordered ferroelectric domains, leading to thinning of hysteresis loops. The relaxor degree increased with the KN content, resulting in the improvement of efficiency. Therefore, using BNBTYN-5KN ceramics an energy storage density of 1.246 J cm−3 and an efficiency of 78.7% at 104 kV cm−1 were obtained. In addition, the BNBTYN-5KN ceramics exhibited this energy storage density with outstanding temperature stability (in the range of 20–120 °C) and excellent fatigue resistance. These results reveal that BNBTYN-5KN ceramics is a promising material for energy storage. |
| doi_str_mv | 10.1039/d2nj04126j |
| format | Article |
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However, the low energy storage density limits their application. In this work, (1 − x)(Bi0.5Na0.5)0.94Ba0.06Ti0.99(Y0.5Nb0.5)0.01O3-xKNbO3 (BNBTYN-100xKN) lead-free relaxor ferroelectric ceramics were fabricated via a solid-state sintering technique. K+ and Nb5+ were completely diffused into the BNBTYN lattice and formed solid solutions. The incorporation of KNbO3 reduced the symmetry of BNBTYN-100xKN ceramics and destroyed the long-range ordered ferroelectric domains, leading to thinning of hysteresis loops. The relaxor degree increased with the KN content, resulting in the improvement of efficiency. Therefore, using BNBTYN-5KN ceramics an energy storage density of 1.246 J cm−3 and an efficiency of 78.7% at 104 kV cm−1 were obtained. In addition, the BNBTYN-5KN ceramics exhibited this energy storage density with outstanding temperature stability (in the range of 20–120 °C) and excellent fatigue resistance. These results reveal that BNBTYN-5KN ceramics is a promising material for energy storage.</description><identifier>ISSN: 1144-0546</identifier><identifier>EISSN: 1369-9261</identifier><identifier>DOI: 10.1039/d2nj04126j</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Barium titanates ; Ceramics ; Density ; Energy storage ; Fatigue strength ; Ferroelectric domains ; Ferroelectric materials ; Ferroelectricity ; Hysteresis loops ; Lead free ; Potassium niobates ; Relaxors ; Solid solutions</subject><ispartof>New journal of chemistry, 2022-11, Vol.46 (43), p.20965-20971</ispartof><rights>Copyright Royal Society of Chemistry 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Yang, Fan</creatorcontrib><creatorcontrib>Li, Qiang</creatorcontrib><creatorcontrib>Hou, Dingwei</creatorcontrib><creatorcontrib>Jia, Yuxin</creatorcontrib><creatorcontrib>Wang, Weijia</creatorcontrib><creatorcontrib>Fan, Huiqing</creatorcontrib><title>Enhanced energy storage properties of KNbO3 modified (Bi0.5Na0.5)TiO3–BaTiO3 based lead-free relaxor ferroelectric ceramics</title><title>New journal of chemistry</title><description>Dielectric capacitors are widely used in pulse devices because of their fast charge/discharge speed. However, the low energy storage density limits their application. In this work, (1 − x)(Bi0.5Na0.5)0.94Ba0.06Ti0.99(Y0.5Nb0.5)0.01O3-xKNbO3 (BNBTYN-100xKN) lead-free relaxor ferroelectric ceramics were fabricated via a solid-state sintering technique. K+ and Nb5+ were completely diffused into the BNBTYN lattice and formed solid solutions. The incorporation of KNbO3 reduced the symmetry of BNBTYN-100xKN ceramics and destroyed the long-range ordered ferroelectric domains, leading to thinning of hysteresis loops. The relaxor degree increased with the KN content, resulting in the improvement of efficiency. Therefore, using BNBTYN-5KN ceramics an energy storage density of 1.246 J cm−3 and an efficiency of 78.7% at 104 kV cm−1 were obtained. In addition, the BNBTYN-5KN ceramics exhibited this energy storage density with outstanding temperature stability (in the range of 20–120 °C) and excellent fatigue resistance. These results reveal that BNBTYN-5KN ceramics is a promising material for energy storage.</description><subject>Barium titanates</subject><subject>Ceramics</subject><subject>Density</subject><subject>Energy storage</subject><subject>Fatigue strength</subject><subject>Ferroelectric domains</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Hysteresis loops</subject><subject>Lead free</subject><subject>Potassium niobates</subject><subject>Relaxors</subject><subject>Solid solutions</subject><issn>1144-0546</issn><issn>1369-9261</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNotT81KAzEYDKJgrV58goAXPWzNl2SzzdGW-oOlvdRzySZf6i7b3ZpswR4E38E39EmM6GVmYIYZhpBLYCNgQt863tZMAlf1ERmAUDrTXMFx0iBlxnKpTslZjDVjAIWCAfmYta-mtegothg2Bxr7LpgN0l3odhj6CiPtPH1elEtBt52rfJWy15OKjfKFSXCzqpbi-_NrYn4FLU1MfoPGZT4g0oCNee8C9RhChw3aPlSWWgxmW9l4Tk68aSJe_POQvNzPVtPHbL58eJrezbMdjEWfOcdNYa0Z85JZ7tFzKTUW2ghdoM9LcNxLHGuvygJAg9OlAia5KvJEpRFDcvXXm1697TH267rbhzZNrnkheM6UllL8AOpkX_g</recordid><startdate>20221107</startdate><enddate>20221107</enddate><creator>Yang, Fan</creator><creator>Li, Qiang</creator><creator>Hou, Dingwei</creator><creator>Jia, Yuxin</creator><creator>Wang, Weijia</creator><creator>Fan, Huiqing</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H9R</scope><scope>JG9</scope><scope>KA0</scope></search><sort><creationdate>20221107</creationdate><title>Enhanced energy storage properties of KNbO3 modified (Bi0.5Na0.5)TiO3–BaTiO3 based lead-free relaxor ferroelectric ceramics</title><author>Yang, Fan ; Li, Qiang ; Hou, Dingwei ; Jia, Yuxin ; Wang, Weijia ; Fan, Huiqing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p183t-dd2a7cca82b0c2fef2449e79a397ef5b1d2f4e89f6b71191d9b61042675104ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Barium titanates</topic><topic>Ceramics</topic><topic>Density</topic><topic>Energy storage</topic><topic>Fatigue strength</topic><topic>Ferroelectric domains</topic><topic>Ferroelectric materials</topic><topic>Ferroelectricity</topic><topic>Hysteresis loops</topic><topic>Lead free</topic><topic>Potassium niobates</topic><topic>Relaxors</topic><topic>Solid solutions</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Fan</creatorcontrib><creatorcontrib>Li, Qiang</creatorcontrib><creatorcontrib>Hou, Dingwei</creatorcontrib><creatorcontrib>Jia, Yuxin</creatorcontrib><creatorcontrib>Wang, Weijia</creatorcontrib><creatorcontrib>Fan, Huiqing</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Illustrata: Natural Sciences</collection><collection>Materials Research Database</collection><collection>ProQuest Illustrata: Technology Collection</collection><jtitle>New journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Fan</au><au>Li, Qiang</au><au>Hou, Dingwei</au><au>Jia, Yuxin</au><au>Wang, Weijia</au><au>Fan, Huiqing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhanced energy storage properties of KNbO3 modified (Bi0.5Na0.5)TiO3–BaTiO3 based lead-free relaxor ferroelectric ceramics</atitle><jtitle>New journal of chemistry</jtitle><date>2022-11-07</date><risdate>2022</risdate><volume>46</volume><issue>43</issue><spage>20965</spage><epage>20971</epage><pages>20965-20971</pages><issn>1144-0546</issn><eissn>1369-9261</eissn><abstract>Dielectric capacitors are widely used in pulse devices because of their fast charge/discharge speed. However, the low energy storage density limits their application. In this work, (1 − x)(Bi0.5Na0.5)0.94Ba0.06Ti0.99(Y0.5Nb0.5)0.01O3-xKNbO3 (BNBTYN-100xKN) lead-free relaxor ferroelectric ceramics were fabricated via a solid-state sintering technique. K+ and Nb5+ were completely diffused into the BNBTYN lattice and formed solid solutions. The incorporation of KNbO3 reduced the symmetry of BNBTYN-100xKN ceramics and destroyed the long-range ordered ferroelectric domains, leading to thinning of hysteresis loops. The relaxor degree increased with the KN content, resulting in the improvement of efficiency. Therefore, using BNBTYN-5KN ceramics an energy storage density of 1.246 J cm−3 and an efficiency of 78.7% at 104 kV cm−1 were obtained. In addition, the BNBTYN-5KN ceramics exhibited this energy storage density with outstanding temperature stability (in the range of 20–120 °C) and excellent fatigue resistance. These results reveal that BNBTYN-5KN ceramics is a promising material for energy storage.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d2nj04126j</doi><tpages>7</tpages></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Barium titanates Ceramics Density Energy storage Fatigue strength Ferroelectric domains Ferroelectric materials Ferroelectricity Hysteresis loops Lead free Potassium niobates Relaxors Solid solutions |
| title | Enhanced energy storage properties of KNbO3 modified (Bi0.5Na0.5)TiO3–BaTiO3 based lead-free relaxor ferroelectric ceramics |
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