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High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors
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Zeitschriftentitel: | Angewandte Chemie International Edition |
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Personen und Körperschaften: | , , , |
In: | Angewandte Chemie International Edition, 53, 2014, 5, S. 1324-1328 |
Medientyp: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Wiley
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Schlagwörter: |
author_facet |
Maruyama, Hitoshi Nakano, Hideyuki Nakamoto, Masaaki Sekiguchi, Akira Maruyama, Hitoshi Nakano, Hideyuki Nakamoto, Masaaki Sekiguchi, Akira |
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author |
Maruyama, Hitoshi Nakano, Hideyuki Nakamoto, Masaaki Sekiguchi, Akira |
spellingShingle |
Maruyama, Hitoshi Nakano, Hideyuki Nakamoto, Masaaki Sekiguchi, Akira Angewandte Chemie International Edition High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors General Chemistry Catalysis |
author_sort |
maruyama, hitoshi |
spelling |
Maruyama, Hitoshi Nakano, Hideyuki Nakamoto, Masaaki Sekiguchi, Akira 1433-7851 1521-3773 Wiley General Chemistry Catalysis http://dx.doi.org/10.1002/anie.201308302 <jats:title>Abstract</jats:title><jats:p>The development of electrical energy storage devices that can operate at high charge and discharge rates is fundamentally important, however although electrochemical capacitors (ECs) can charge and discharge at high rates, their electrochemical storage capacity remains an order of magnitude lower than that of conventional lithium‐ion batteries. Novel pseudocapasitors are developed, based on the stable persilyl‐susbtituted free radicals of the heavy group 14 elements, (<jats:italic>t</jats:italic>Bu<jats:sub>2</jats:sub>MeSi)<jats:sub>3</jats:sub>E<jats:sup>.</jats:sup> [E=Si (<jats:bold>1</jats:bold>), Ge (<jats:bold>2</jats:bold>), and Sn (<jats:bold>3</jats:bold>)], as anode materials for energy storage system. Such systems showed a remarkable cycle stability without significant loss of power density, in comparison with similar characteristics of the known organic radical batteries, the dual carbon cell, and the electrochemical capacitor. Particularly important is that these novel electrochemical energy storage systems employing stable heavy group 14 element radicals are lithium‐free. The electrochemical properties and structures of the reduced and oxidized species were studied by the cyclic voltammetry (CV), electron paramagnetic resonance (EPR) spectroscopy, and X‐ray diffraction (XRD).</jats:p> High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors Angewandte Chemie International Edition |
doi_str_mv |
10.1002/anie.201308302 |
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Online |
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Chemie und Pharmazie |
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Wiley, 2014 |
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1433-7851 1521-3773 |
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2014 |
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Wiley |
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ai |
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Angewandte Chemie International Edition |
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title |
High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_unstemmed |
High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_full |
High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_fullStr |
High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_full_unstemmed |
High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_short |
High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_sort |
high‐power electrochemical energy storage system employing stable radical pseudocapacitors |
topic |
General Chemistry Catalysis |
url |
http://dx.doi.org/10.1002/anie.201308302 |
publishDate |
2014 |
physical |
1324-1328 |
description |
<jats:title>Abstract</jats:title><jats:p>The development of electrical energy storage devices that can operate at high charge and discharge rates is fundamentally important, however although electrochemical capacitors (ECs) can charge and discharge at high rates, their electrochemical storage capacity remains an order of magnitude lower than that of conventional lithium‐ion batteries. Novel pseudocapasitors are developed, based on the stable persilyl‐susbtituted free radicals of the heavy group 14 elements, (<jats:italic>t</jats:italic>Bu<jats:sub>2</jats:sub>MeSi)<jats:sub>3</jats:sub>E<jats:sup>.</jats:sup> [E=Si (<jats:bold>1</jats:bold>), Ge (<jats:bold>2</jats:bold>), and Sn (<jats:bold>3</jats:bold>)], as anode materials for energy storage system. Such systems showed a remarkable cycle stability without significant loss of power density, in comparison with similar characteristics of the known organic radical batteries, the dual carbon cell, and the electrochemical capacitor. Particularly important is that these novel electrochemical energy storage systems employing stable heavy group 14 element radicals are lithium‐free. The electrochemical properties and structures of the reduced and oxidized species were studied by the cyclic voltammetry (CV), electron paramagnetic resonance (EPR) spectroscopy, and X‐ray diffraction (XRD).</jats:p> |
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author | Maruyama, Hitoshi, Nakano, Hideyuki, Nakamoto, Masaaki, Sekiguchi, Akira |
author_facet | Maruyama, Hitoshi, Nakano, Hideyuki, Nakamoto, Masaaki, Sekiguchi, Akira, Maruyama, Hitoshi, Nakano, Hideyuki, Nakamoto, Masaaki, Sekiguchi, Akira |
author_sort | maruyama, hitoshi |
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container_start_page | 1324 |
container_title | Angewandte Chemie International Edition |
container_volume | 53 |
description | <jats:title>Abstract</jats:title><jats:p>The development of electrical energy storage devices that can operate at high charge and discharge rates is fundamentally important, however although electrochemical capacitors (ECs) can charge and discharge at high rates, their electrochemical storage capacity remains an order of magnitude lower than that of conventional lithium‐ion batteries. Novel pseudocapasitors are developed, based on the stable persilyl‐susbtituted free radicals of the heavy group 14 elements, (<jats:italic>t</jats:italic>Bu<jats:sub>2</jats:sub>MeSi)<jats:sub>3</jats:sub>E<jats:sup>.</jats:sup> [E=Si (<jats:bold>1</jats:bold>), Ge (<jats:bold>2</jats:bold>), and Sn (<jats:bold>3</jats:bold>)], as anode materials for energy storage system. Such systems showed a remarkable cycle stability without significant loss of power density, in comparison with similar characteristics of the known organic radical batteries, the dual carbon cell, and the electrochemical capacitor. Particularly important is that these novel electrochemical energy storage systems employing stable heavy group 14 element radicals are lithium‐free. The electrochemical properties and structures of the reduced and oxidized species were studied by the cyclic voltammetry (CV), electron paramagnetic resonance (EPR) spectroscopy, and X‐ray diffraction (XRD).</jats:p> |
doi_str_mv | 10.1002/anie.201308302 |
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id | ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAwMi9hbmllLjIwMTMwODMwMg |
imprint | Wiley, 2014 |
imprint_str_mv | Wiley, 2014 |
institution | DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275 |
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physical | 1324-1328 |
publishDate | 2014 |
publishDateSort | 2014 |
publisher | Wiley |
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series | Angewandte Chemie International Edition |
source_id | 49 |
spelling | Maruyama, Hitoshi Nakano, Hideyuki Nakamoto, Masaaki Sekiguchi, Akira 1433-7851 1521-3773 Wiley General Chemistry Catalysis http://dx.doi.org/10.1002/anie.201308302 <jats:title>Abstract</jats:title><jats:p>The development of electrical energy storage devices that can operate at high charge and discharge rates is fundamentally important, however although electrochemical capacitors (ECs) can charge and discharge at high rates, their electrochemical storage capacity remains an order of magnitude lower than that of conventional lithium‐ion batteries. Novel pseudocapasitors are developed, based on the stable persilyl‐susbtituted free radicals of the heavy group 14 elements, (<jats:italic>t</jats:italic>Bu<jats:sub>2</jats:sub>MeSi)<jats:sub>3</jats:sub>E<jats:sup>.</jats:sup> [E=Si (<jats:bold>1</jats:bold>), Ge (<jats:bold>2</jats:bold>), and Sn (<jats:bold>3</jats:bold>)], as anode materials for energy storage system. Such systems showed a remarkable cycle stability without significant loss of power density, in comparison with similar characteristics of the known organic radical batteries, the dual carbon cell, and the electrochemical capacitor. Particularly important is that these novel electrochemical energy storage systems employing stable heavy group 14 element radicals are lithium‐free. The electrochemical properties and structures of the reduced and oxidized species were studied by the cyclic voltammetry (CV), electron paramagnetic resonance (EPR) spectroscopy, and X‐ray diffraction (XRD).</jats:p> High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors Angewandte Chemie International Edition |
spellingShingle | Maruyama, Hitoshi, Nakano, Hideyuki, Nakamoto, Masaaki, Sekiguchi, Akira, Angewandte Chemie International Edition, High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors, General Chemistry, Catalysis |
title | High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_full | High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_fullStr | High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_full_unstemmed | High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_short | High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
title_sort | high‐power electrochemical energy storage system employing stable radical pseudocapacitors |
title_unstemmed | High‐Power Electrochemical Energy Storage System Employing Stable Radical Pseudocapacitors |
topic | General Chemistry, Catalysis |
url | http://dx.doi.org/10.1002/anie.201308302 |