Lithium-Ion-Based Electrochemical Energy Storage in a Layered Vanadium Formate Coordination Polymer
© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim..
A vanadium formate (VF) coordination polymer and its composite with partially reduced graphene oxide (prGO), namely VF-prGO, can be applied as anode materials for Li-ion based electrochemical energy storage (EcES) systems in the potential range of 0-3 V (vs Li+ /Li). This study shows that a reversible capacity of 329 mAh g-1 at a current density of 50 mA g-1 after 50 cycles can be realized for VF along with a high rate capability. The composite exhibits even a higher capacity of 504 mAh g-1 at 50 mA g-1 . A good capacity retention is observed even after 140 cycles for both VF and the composite. An ex-situ X-ray photoelectron spectroscopy study indicates the involvement of V3+ /V4+ redox couple in the charge storage mechanism. A significant contribution of this reversible capacity is attributed to the pseudocapacitive behavior of the system.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:85 |
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| Enthalten in: |
ChemPlusChem - 85(2020), 6 vom: 06. Juni, Seite 1137-1144 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Anjana, P K [VerfasserIn] |
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| Links: |
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| Themen: |
Anode materials |
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| Anmerkungen: |
Date Revised 04.06.2020 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/cplu.202000283 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM310708060 |
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| 520 | |a © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. | ||
| 520 | |a A vanadium formate (VF) coordination polymer and its composite with partially reduced graphene oxide (prGO), namely VF-prGO, can be applied as anode materials for Li-ion based electrochemical energy storage (EcES) systems in the potential range of 0-3 V (vs Li+ /Li). This study shows that a reversible capacity of 329 mAh g-1 at a current density of 50 mA g-1 after 50 cycles can be realized for VF along with a high rate capability. The composite exhibits even a higher capacity of 504 mAh g-1 at 50 mA g-1 . A good capacity retention is observed even after 140 cycles for both VF and the composite. An ex-situ X-ray photoelectron spectroscopy study indicates the involvement of V3+ /V4+ redox couple in the charge storage mechanism. A significant contribution of this reversible capacity is attributed to the pseudocapacitive behavior of the system | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Li-ion batteries | |
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| 650 | 4 | |a graphene | |
| 650 | 4 | |a vanadium | |
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| 700 | 1 | |a Shaijumon, M M |e verfasserin |4 aut | |
| 700 | 1 | |a Thirumurugan, A |e verfasserin |4 aut | |
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