Exploring Route for Pyrophosphate‐based Electrode Materials: Interplay between Synthesis and Structure
New sodium vanadium(III) hydrogenphosphate hydrate NaV(HPO4)2(H2O)0.5 and sodium vanadium(III) hydrogenphosphate β‐NaV(HPO4)2 were prepared in mild hydrothermal conditions. The crystal structures of NaV(HPO4)2(H2O)0.5 [space group Cc, Z = 4, a = 8.46174(19) Å, b = 9.52583(19) Å, c = 8.69376(15) Å, β...
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| Veröffentlicht in: | Zeitschrift für anorganische und allgemeine Chemie (1950) 2020-07, Vol.646 (14), p.1260-1266 |
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| container_title | Zeitschrift für anorganische und allgemeine Chemie (1950) |
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| creator | Alekseeva, Anastasia M. Tertov, Ilya V. Mironov, Andrey V. Mikheev, Ivan V. Drozhzhin, Oleg A. Zharikova, Emiliya V. Rozova, Marina G. Antipov, Evgeny V. |
| description | New sodium vanadium(III) hydrogenphosphate hydrate NaV(HPO4)2(H2O)0.5 and sodium vanadium(III) hydrogenphosphate β‐NaV(HPO4)2 were prepared in mild hydrothermal conditions. The crystal structures of NaV(HPO4)2(H2O)0.5 [space group Cc, Z = 4, a = 8.46174(19) Å, b = 9.52583(19) Å, c = 8.69376(15) Å, β = 110.9553(11) °, V = 654.41(2) Å3] and β‐NaV(HPO4)2 [space group C2/c, Z = 4, a = 7.8681(3) Å, b = 9.8451(3) Å, c = 8.5180(2) Å, β = 107.626(2) °, V = 628.85(3) Å3] were solved and refined from X‐ray powder diffraction data. Both compounds were used as precursors in a new route for the preparation of attractive cathode material β‐NaVP2O7. The formation of the structure motive providing fast sodium ion diffusion at the first synthesis stage and its further conservation upon stepwise dehydration was revealed. The oversized Na+‐embedding channels are stabilized by site‐coordinated water in NaV(HPO4)2(H2O)0.5 structure. The topology resemblance and difference in known sodium vanadium(III) complex phosphates are discussed. |
| doi_str_mv | 10.1002/zaac.202000066 |
| format | Article |
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The crystal structures of NaV(HPO4)2(H2O)0.5 [space group Cc, Z = 4, a = 8.46174(19) Å, b = 9.52583(19) Å, c = 8.69376(15) Å, β = 110.9553(11) °, V = 654.41(2) Å3] and β‐NaV(HPO4)2 [space group C2/c, Z = 4, a = 7.8681(3) Å, b = 9.8451(3) Å, c = 8.5180(2) Å, β = 107.626(2) °, V = 628.85(3) Å3] were solved and refined from X‐ray powder diffraction data. Both compounds were used as precursors in a new route for the preparation of attractive cathode material β‐NaVP2O7. The formation of the structure motive providing fast sodium ion diffusion at the first synthesis stage and its further conservation upon stepwise dehydration was revealed. The oversized Na+‐embedding channels are stabilized by site‐coordinated water in NaV(HPO4)2(H2O)0.5 structure. The topology resemblance and difference in known sodium vanadium(III) complex phosphates are discussed.</description><identifier>ISSN: 0044-2313</identifier><identifier>EISSN: 1521-3749</identifier><identifier>DOI: 10.1002/zaac.202000066</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Cathode material; Hydrothermal synthesis ; Crystal structure ; Dehydration ; Diffusion rate ; Electrode materials ; Ion diffusion ; Phosphates ; Sodium ; Sodium diffusion ; Sodium vanadium(III) monohydrogenphosphate ; Sodium vanadium(III) monohydrogenphosphate hydrate ; Sodium vanadium(III) pyrosphosphate ; Topology ; Vanadium</subject><ispartof>Zeitschrift für anorganische und allgemeine Chemie (1950), 2020-07, Vol.646 (14), p.1260-1266</ispartof><rights>2020 WILEY‐VCH Verlag GmbH & Co. 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The crystal structures of NaV(HPO4)2(H2O)0.5 [space group Cc, Z = 4, a = 8.46174(19) Å, b = 9.52583(19) Å, c = 8.69376(15) Å, β = 110.9553(11) °, V = 654.41(2) Å3] and β‐NaV(HPO4)2 [space group C2/c, Z = 4, a = 7.8681(3) Å, b = 9.8451(3) Å, c = 8.5180(2) Å, β = 107.626(2) °, V = 628.85(3) Å3] were solved and refined from X‐ray powder diffraction data. Both compounds were used as precursors in a new route for the preparation of attractive cathode material β‐NaVP2O7. The formation of the structure motive providing fast sodium ion diffusion at the first synthesis stage and its further conservation upon stepwise dehydration was revealed. The oversized Na+‐embedding channels are stabilized by site‐coordinated water in NaV(HPO4)2(H2O)0.5 structure. The topology resemblance and difference in known sodium vanadium(III) complex phosphates are discussed.</description><subject>Cathode material; Hydrothermal synthesis</subject><subject>Crystal structure</subject><subject>Dehydration</subject><subject>Diffusion rate</subject><subject>Electrode materials</subject><subject>Ion diffusion</subject><subject>Phosphates</subject><subject>Sodium</subject><subject>Sodium diffusion</subject><subject>Sodium vanadium(III) monohydrogenphosphate</subject><subject>Sodium vanadium(III) monohydrogenphosphate hydrate</subject><subject>Sodium vanadium(III) pyrosphosphate</subject><subject>Topology</subject><subject>Vanadium</subject><issn>0044-2313</issn><issn>1521-3749</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkL9OwzAQhy0EEqWwMltiTvGf2EnYqqpApSIQhYUlcpwLSRXiYCcqYeIReEaeBFdFMOLlrNP33el-CJ1SMqGEsPN3pfSEEUb8k3IPjahgNOBRmOyjESFhGDBO-SE6cm7tEUqEGKFy_tbWxlbNM743fQe4MBbfDda0pXFtqTr4-vjMlIMcz2vQnTU54BvftpWq3QVeNP7b1mrAGXQbgAavhqYrwVUOqybHq872uustHKODwhtw8lPH6PFy_jC7Dpa3V4vZdBloTiMZMElUVERMJAUvCkpZLJSKMqJklCkIZZ7TUNJEKFAy3t5AiIg01zoGwXPgfIzOdnNba157cF26Nr1t_MqUhSxOeBwz5qnJjtLWOGehSFtbvSg7pJSk2zTTbZrpb5peSHbCpqph-IdOn6bT2Z_7DWIaexk</recordid><startdate>20200731</startdate><enddate>20200731</enddate><creator>Alekseeva, Anastasia M.</creator><creator>Tertov, Ilya V.</creator><creator>Mironov, Andrey V.</creator><creator>Mikheev, Ivan V.</creator><creator>Drozhzhin, Oleg A.</creator><creator>Zharikova, Emiliya V.</creator><creator>Rozova, Marina G.</creator><creator>Antipov, Evgeny V.</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200731</creationdate><title>Exploring Route for Pyrophosphate‐based Electrode Materials: Interplay between Synthesis and Structure</title><author>Alekseeva, Anastasia M. ; Tertov, Ilya V. ; Mironov, Andrey V. ; Mikheev, Ivan V. ; Drozhzhin, Oleg A. ; Zharikova, Emiliya V. ; Rozova, Marina G. ; Antipov, Evgeny V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3176-260a7f7259f3ff11285aa7b0a67bae46dd146195aea6801050057c3cc8e53de33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Cathode material; Hydrothermal synthesis</topic><topic>Crystal structure</topic><topic>Dehydration</topic><topic>Diffusion rate</topic><topic>Electrode materials</topic><topic>Ion diffusion</topic><topic>Phosphates</topic><topic>Sodium</topic><topic>Sodium diffusion</topic><topic>Sodium vanadium(III) monohydrogenphosphate</topic><topic>Sodium vanadium(III) monohydrogenphosphate hydrate</topic><topic>Sodium vanadium(III) pyrosphosphate</topic><topic>Topology</topic><topic>Vanadium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alekseeva, Anastasia M.</creatorcontrib><creatorcontrib>Tertov, Ilya V.</creatorcontrib><creatorcontrib>Mironov, Andrey V.</creatorcontrib><creatorcontrib>Mikheev, Ivan V.</creatorcontrib><creatorcontrib>Drozhzhin, Oleg A.</creatorcontrib><creatorcontrib>Zharikova, Emiliya V.</creatorcontrib><creatorcontrib>Rozova, Marina G.</creatorcontrib><creatorcontrib>Antipov, Evgeny V.</creatorcontrib><collection>CrossRef</collection><jtitle>Zeitschrift für anorganische und allgemeine Chemie (1950)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Alekseeva, Anastasia M.</au><au>Tertov, Ilya V.</au><au>Mironov, Andrey V.</au><au>Mikheev, Ivan V.</au><au>Drozhzhin, Oleg A.</au><au>Zharikova, Emiliya V.</au><au>Rozova, Marina G.</au><au>Antipov, Evgeny V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Exploring Route for Pyrophosphate‐based Electrode Materials: Interplay between Synthesis and Structure</atitle><jtitle>Zeitschrift für anorganische und allgemeine Chemie (1950)</jtitle><date>2020-07-31</date><risdate>2020</risdate><volume>646</volume><issue>14</issue><spage>1260</spage><epage>1266</epage><pages>1260-1266</pages><issn>0044-2313</issn><eissn>1521-3749</eissn><abstract>New sodium vanadium(III) hydrogenphosphate hydrate NaV(HPO4)2(H2O)0.5 and sodium vanadium(III) hydrogenphosphate β‐NaV(HPO4)2 were prepared in mild hydrothermal conditions. The crystal structures of NaV(HPO4)2(H2O)0.5 [space group Cc, Z = 4, a = 8.46174(19) Å, b = 9.52583(19) Å, c = 8.69376(15) Å, β = 110.9553(11) °, V = 654.41(2) Å3] and β‐NaV(HPO4)2 [space group C2/c, Z = 4, a = 7.8681(3) Å, b = 9.8451(3) Å, c = 8.5180(2) Å, β = 107.626(2) °, V = 628.85(3) Å3] were solved and refined from X‐ray powder diffraction data. Both compounds were used as precursors in a new route for the preparation of attractive cathode material β‐NaVP2O7. The formation of the structure motive providing fast sodium ion diffusion at the first synthesis stage and its further conservation upon stepwise dehydration was revealed. The oversized Na+‐embedding channels are stabilized by site‐coordinated water in NaV(HPO4)2(H2O)0.5 structure. The topology resemblance and difference in known sodium vanadium(III) complex phosphates are discussed.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/zaac.202000066</doi><tpages>7</tpages></addata></record> |
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| subjects | Cathode material Hydrothermal synthesis Crystal structure Dehydration Diffusion rate Electrode materials Ion diffusion Phosphates Sodium Sodium diffusion Sodium vanadium(III) monohydrogenphosphate Sodium vanadium(III) monohydrogenphosphate hydrate Sodium vanadium(III) pyrosphosphate Topology Vanadium |
| title | Exploring Route for Pyrophosphate‐based Electrode Materials: Interplay between Synthesis and Structure |
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