A stable 3 V all-solid-state sodium–ion battery based on a <i>closo</i>-borate electrolyte

Duchêne, Léo; Kühnel, Ruben‐Simon; Stilp, E.; Reyes, Eduardo Cuervo; Remhof, Arndt; Hagemann, Hans; Battaglia, Corsin

doi:10.1039/c7ee02420g

Cited by 136 publications

(165 citation statements)

References 35 publications

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“…In addition to applications in liquid electrolytes, anionic boron clusters have been discussed as building blocks for solid‐state metal‐ion batteries, especially because of the superionic conduction observed, for example, for Na 2 [ closo ‐B 12 H 12 ] and M 2 [ closo ‐1‐CB 9 H 10 ][ closo ‐1‐CB 11 H 12 ] (M=Li, Na) . The mixed salt Na 2 [ closo ‐B 12 H 12 ] 0.5 [ closo ‐B 10 H 10 ] 0.5 was used for the construction of a stable 3 V all‐solid‐state sodium‐ion battery, which exemplifies the potential of these solid electrolytes. The study of metal‐ion conductivity of salts of anionic perhalogenated closo ‐boron clusters showed the potential of such salts for battery applications …”

Section: Borate Anions and Anionic Boron Clusters As Building Blocksmentioning

confidence: 99%

Boron: Its Role in Energy‐Related Processes and Applications

et al. 2020

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Boron's unique position in the Periodic Table, that is, at the apex of the line separating metals and nonmetals, makes it highly versatile in chemical reactions and applications. Contemporary demand for renewable and clean energy as well as energy‐efficient products has seen boron playing key roles in energy‐related research, such as 1) activating and synthesizing energy‐rich small molecules, 2) storing chemical and electrical energy, and 3) converting electrical energy into light. These applications are fundamentally associated with boron's unique characteristics, such as its electron‐deficiency and the availability of an unoccupied p orbital, which allow the formation of a myriad of compounds with a wide range of chemical and physical properties. For example, boron's ability to achieve a full octet of electrons with four covalent bonds and a negative charge has led to the synthesis of a wide variety of borate anions of high chemical and electrochemical stability—in particular, weakly coordinating anions. This Review summarizes recent advances in the study of boron compounds for energy‐related processes and applications.

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Section: Borate Anions and Anionic Boron Clusters As Building Blocksmentioning

confidence: 99%

Boron: Its Role in Energy‐Related Processes and Applications

et al. 2020

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“…[9,10,[29][30][31] Recently, a stable 3 V battery prototype has been successfully assembled using, for example, the Na 2 ðB 12 H 12 Þ 0:5 ðB 10 H 10 Þ 0:5 electrolyte. [9,32] On the other, metal borohydrides have attracted considerable interest due to their potential as hydrogen storage materials. [5,6,33,34] These compounds have a high gravimetric hydrogen content [35,36] which can be used for mobile applications.…”

Section: Introductionmentioning

confidence: 99%

Quantitative Assessment of B−B−B, B−H_b−B, and B−H_t Bonds: From BH₃ to B₁₂H₁₂²⁻

et al. 2019

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We report the thermodynamic stabilities and the intrinsic strengths of three‐center‐two‐electron B−B−B and B−Hb−B bonds (Hb : bridging hydrogen), and two‐center‐two‐electron B−Ht bonds (Ht : terminal hydrogen) which can be served as a new, effective tool to determine the decisive role of the intermediates of hydrogenation/dehydrogenation reactions of borohydride. The calculated heats of formation were obtained with the G4 composite method and the intrinsic strengths of B−B−B, B−Hb−B, and B−Ht bonds were derived from local stretching force constants obtained at the B3LYP‐D2/cc‐pVTZ level of theory for 21 boron‐hydrogen compounds, including 19 intermediates. The Quantum Theory of Atoms in Molecules (QTAIM) was used to deepen the inside into the nature of B−B−B, B−Hb−B, and B−Ht bonds. We found that all of the experimentally identified intermediates hindering the reversibility of the decomposition reactions are thermodynamically stable and possess strong B−B−B, B−Hb−B, and B−Ht bonds. This proves that thermodynamic data and intrinsic B−B−B, B−Hb−B, and B−Ht bond strengths form a new, effective tool to characterize new (potential) intermediates and to predict their role for the reversibility of the hydrogenation/dehydrogenation reactions.

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“…Einige anionische Borcluster wie Na 2 [ closo ‐B 12 H 12 ] und M 2 [ closo ‐1‐CB 9 H 10 ][ closo ‐1‐CB 11 H 12 ] (M=Li, Na) zeigen das Phänomen der Superionenleitung, weshalb diese auch sehr gut für den Einsatz als Feststoffelektrolyt in Metallionenbatterien geeignet sind . So wurde beispielsweise das gemischte Salz Na 2 [ closo ‐B 12 H 12 ] 0.5 [ closo ‐B 10 H 10 ] 0.5 erfolgreich für die Konstruktion einer stabilen 3 V Feststoff‐Natriumbatterie eingesetzt . Auch die Salze perhalogenierter anionischer Borcluster weisen interessante Metallionenleitfähigkeiten auf, was diese Verbindungsklasse potentiell relevant für Batterieanwendungen macht …”

Section: Boratanionen Und Anionische Borcluster Als Bausteine Für Eneunclassified

Bor in energiebezogenen Prozessen und Anwendungen

et al. 2020

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Direkt an der Grenze zwischen Metallen und Nichtmetallen angesiedelt, nimmt das Element Bor eine einzigartige Position im Periodensystem ein. Diese besondere Stellung ermöglicht eine enorme Vielfalt an chemischen Reaktionen und Anwendungen. Auch in Hinblick auf die stetig steigende Nachfrage an erneuerbaren und sauberen Energien bzw. energieeffizienten Prozessen ist das Element Bor mehr und mehr in den Fokus der energiebezogenen Forschung gerückt und umfasst mittlerweile Bereiche wie 1) die Aktivierung und Synthese kleiner energiereicher Moleküle, 2) die Speicherung von chemischer und elektrischer Energie und 3) die Umwandlung von elektrischer Energie zu Licht. Diese Anwendungen basieren hierbei auf den besonderen Eigenschaften des Elements Bor, d. h. vor allem auf dessen Elektronenmangel in Verbindung mit der Gegenwart eines unbesetzten p‐Orbitals, was die Ausbildung unzähliger Verbindungen mit gezielt beeinflussbaren chemischen und physikalischen Eigenschaften ermöglicht. So erreicht Bor beispielsweise mit vier kovalenten Bindungen und einer negativen Ladung relativ einfach ein Elektronenoktett, wodurch die Verbindungsklasse der Boratanionen zugänglich wird, welche eine außergewöhnlich hohe chemische und elektrochemische Stabilität aufweisen. Besonders hervorzuheben ist in diesem Zusammenhang die synthetisch wertvolle Klasse der schwach‐koordinierenden Anionen. Dieser Aufsatz soll die Bedeutung von Borverbindungen für energiebezogene Prozesse und Anwendungen verdeutlichen und fasst die Fortschritte der letzten Jahre auf diesem Gebiet zusammen.

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A stable 3 V all-solid-state sodium–ion battery based on a closo-borate electrolyte

Abstract: We report on a particularly stable 3 V all-solid-state sodium–ion battery built using a closo-borate based electrolyte, namely Na2(B12H12)0.5(B10H10)0.5.

Cited by 136 publications

References 35 publications

Boron: Its Role in Energy‐Related Processes and Applications

Boron: Its Role in Energy‐Related Processes and Applications

Quantitative Assessment of B−B−B, B−H_b−B, and B−H_t Bonds: From BH₃ to B₁₂H₁₂²⁻

Bor in energiebezogenen Prozessen und Anwendungen

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A stable 3 V all-solid-state sodium–ion battery based on a closo-borate electrolyte

Abstract: We report on a particularly stable 3 V all-solid-state sodium–ion battery built using a closo-borate based electrolyte, namely Na2(B12H12)0.5(B10H10)0.5.

Cited by 136 publications

References 35 publications

Boron: Its Role in Energy‐Related Processes and Applications

Boron: Its Role in Energy‐Related Processes and Applications

Quantitative Assessment of B−B−B, B−Hb−B, and B−Ht Bonds: From BH3 to B12H122−

Bor in energiebezogenen Prozessen und Anwendungen

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Quantitative Assessment of B−B−B, B−H_b−B, and B−H_t Bonds: From BH₃ to B₁₂H₁₂²⁻