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    <pageLast>13</pageLast>
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    <edition/>
    <issue>46</issue>
    <volume>37</volume>
    <type>article</type>
    <publisherName>Wiley</publisherName>
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    <title language="eng">FeNb                    &lt;sub&gt;2&lt;/sub&gt;                    O                    &lt;sub&gt;6&lt;/sub&gt;                    as a High‐Performance Anode for Sodium‐Ion Batteries Enabled by Structural Amorphization Coupled with NbO                    &lt;sub&gt;6&lt;/sub&gt;                    Local Ordering</title>
    <abstract language="eng">Pseudocapacitance-type transition metal oxides have been extensively investigated as anodes for lithium-ion batteries (LIBs). Currently, they are also gaining attention for sodium-ion batteries (SIBs) due to their low volume change and safety. However, their performance in sodium storage remains limited, primarily due to the larger Na+ ion radius. Here, for the first time, an iron niobate is reported with a columbite structure as a high-performance sodium storage anode. The presence of iron triggers the loss of long-range order through disorder of the FeO6 octahedra local structure, subsequently allowing reversible sodium storage in an amorphous phase. Simultaneously, the formation of short-range ordered zigzag-chain structures within the NbO6 planes creates a “skeleton” that offers abundant active sites for pseudocapacitive ion storage and enhanced ion diffusion pathways. These characteristics of FeNb2O6 make it an effective intercalation host, offering high capacity along with fast Na+ kinetics, as demonstrated through operando and ex situ characterizations. It leads to an applicable reversible capacity (&gt;300 mAh g−1) with a favorable average voltage of ≈0.6 V and excellent rate capability (180.4 mAh g−1 at a current density of 2 A g−1). This study provides insights into the development of intrinsically active transition metal oxides for Na+-ion intercalation.</abstract>
    <parentTitle language="eng">Advanced Materials</parentTitle>
    <identifier type="issn">0935-9648</identifier>
    <identifier type="doi">10.1002/adma.202504100</identifier>
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    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Yanchen Liu</author>
    <author>Ana Guilherme Buzanich</author>
    <author>Paola Alippi</author>
    <author>Luciano A. Montoro</author>
    <author>Kug‐Seung Lee</author>
    <author>Taeyeol Jeon</author>
    <author>Kilian Weißer</author>
    <author>Martin A. Karlsen</author>
    <author>Patrícia A. Russo</author>
    <author>Nicola Pinna</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>SIB</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>XAS</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Sodium-ion Batteries</value>
    </subject>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">6 Materialchemie</collection>
    <collection role="institutes" number="">6.3 Strukturanalytik</collection>
    <collection role="themenfelder" number="">Energie</collection>
    <collection role="themenfelder" number="">Elektrische Energiespeicher und -umwandlung</collection>
    <collection role="themenfelder" number="">Material</collection>
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    <collection role="themenfelder" number="">Materialdesign</collection>
    <thesisPublisher>Bundesanstalt für Materialforschung und -prüfung (BAM)</thesisPublisher>
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  <doc>
    <id>63115</id>
    <completedYear/>
    <publishedYear>2025</publishedYear>
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    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>51</pageLast>
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    <publisherName>American Chemical Society (ACS)</publisherName>
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    <title language="eng">FeNb2O6 as a high-performance anode for sodium-ion batteries enabled by structural amorphization coupled with NbO6 local ordering.</title>
    <abstract language="eng">Pseudocapacitance-type transition metal oxides have been extensively investigated as anodes materials for lithium-ion batteries. Currently, they are also emerging as promising anodes for sodium-ion batteries due to their low volume change and safety. However, the potential electrochemical performance in sodium energy storage is not fully achieved, primarily due to the larger radius of the Na+-ions. Here, we report for the first time an iron niobate with columbite structure as a high-performance sodium storage anode. The presence of iron in the structure is vital to trigger the loss of long-range order through disorder of the FeO6 octahedra local structure, subsequently allowing reversible Na storage in an amorphous phase. Simultaneously, the formation of short-range ordered zigzag-chain structures within the NbO6 planes creates a “skeleton” that offers abundant active sites for pseudocapacitive ion storage and enhanced ion diffusion pathways. These characteristics of FeNb2O6 make it an effective intercalation host, offering high capacity along with fast Na+ insertion and extraction, as demonstrated through operando and ex-situ characterizations. It leads to an applicable reversible capacity ( 300 mAh g-1) with a favorable average voltage of ca. 0.6 V and excellent rate capability (180.4 mAh g-1 at a current density of 2 A g-1). This study provides insights into the development of intrinsically active transition metal oxides for Na+-ion intercalation.</abstract>
    <parentTitle language="eng">ChemRxiv - Materials Chemistry</parentTitle>
    <identifier type="doi">10.26434/chemrxiv-2025-2gn7z</identifier>
    <identifier type="urn">urn:nbn:de:kobv:b43-631159</identifier>
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    <licence>Creative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International</licence>
    <author>Yanchen Liu</author>
    <author>Ana de Oliveira Guilherme Buzanich</author>
    <author>Paola Alippi</author>
    <author>Kug-Seung Lee</author>
    <author>Taeyeol Jeon</author>
    <author>Kilian Weißer</author>
    <author>Martin A. Karlsen</author>
    <author>Patrícia A. Russo</author>
    <author>Nicola Pinna</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>XAS</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Sodium-Ion-Batteries</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>In-situ</value>
    </subject>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">6 Materialchemie</collection>
    <collection role="institutes" number="">6.3 Strukturanalytik</collection>
    <collection role="themenfelder" number="">Energie</collection>
    <collection role="themenfelder" number="">Elektrische Energiespeicher und -umwandlung</collection>
    <collection role="themenfelder" number="">Material</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
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    <collection role="themenfelder" number="">Materialdesign</collection>
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  <doc>
    <id>42783</id>
    <completedYear/>
    <publishedYear>2017</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>Article 1703158, 1</pageFirst>
    <pageLast>11</pageLast>
    <pageNumber/>
    <edition/>
    <issue>40</issue>
    <volume>27</volume>
    <type>article</type>
    <publisherName>WILEY-VCH Verlag</publisherName>
    <publisherPlace>Weinheim</publisherPlace>
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    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
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    <title language="eng">Hybrid organic–inorganic transition-metal phosphonates as precursors for water oxidation electrocatalysts</title>
    <abstract language="eng">Efficient water oxidation catalysts are required for the development of water splitting technologies. Herein, the synthesis of layered hybrid NiFephenylphosphonate compounds from metal acetylacetonate precursors and phenylphosphonic acid in benzyl alcohol, and their Oxygen evolution reaction performance in alkaline medium, are reported. The hybrid particles are formed by inorganic layers of NiO6 and FeO6 distorted octahedra separated by bilayers of the organic group, and template the Formation in situ of NiFe hydroxide nanosheets of sizes between 5 and 25 nm and thicknesses between 3 and 10 nm. X-ray absorption spectroscopy measurements suggest that the hybrid also acts as a template for the local structure of the metal sites in the active catalyst, which remain distorted after the transformation. Optimum electrocatalytic activity is achieved with the hybrid compound with a Fe content of 16%. The combination of the synergistic effect between Ni and Fe with the structural properties of the hybrid results in an efficient catalyst that generates a current density of 10 mA cm−2 at an overpotential of 240 mV, and also in a stable catalyst that operates continuously at low overpotentials for 160 h.</abstract>
    <parentTitle language="eng">Advanced Functional Materials</parentTitle>
    <identifier type="issn">1616-301X</identifier>
    <identifier type="issn">1616-3028</identifier>
    <identifier type="doi">10.1002/adfm.201703158</identifier>
    <enrichment key="date_peer_review">09.11.2017</enrichment>
    <author>Rui Zhang</author>
    <author>Patrícia A. Russo</author>
    <author>Ana de Oliveira Guilherme Buzanich</author>
    <author>Taeyeol Jeon</author>
    <author>Nicola Pinna</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Water oxydation catalysis</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>EXAFS</value>
    </subject>
    <collection role="ddc" number="543">Analytische Chemie</collection>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
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