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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201805432
|2 doi
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|a pubmed24n0971.xml
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|a (DE-627)NLM291474381
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|a (NLM)30516851
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|a DE-627
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|c DE-627
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|a eng
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|a Wang, Sai
|e verfasserin
|4 aut
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|a N-Doped CZn3 B2 O6 as a Low Cost and Environmentally Friendly Anode Material for Na-Ion Batteries
|b High Performance and New Reaction Mechanism
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|c 2019
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 04.02.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Na-ion batteries (NIBs) are ideal candidates for solving the problem of large-scale energy storage, due to the worldwide sodium resource, but the efforts in exploring and synthesizing low-cost and eco-friendly anode materials with convenient technologies and low-cost raw materials are still insufficient. Herein, with the assistance of a simple calcination method and common raw materials, the environmentally friendly and nontoxic N-doped CZn3 B2 O6 composite is directly synthesized and proved to be a potential anode material for NIBs. The composite demonstrates a high reversible charge capacity of 446.2 mAh g-1 and a safe and suitable average voltage of 0.69 V, together with application potential in full cells (discharge capacity of 98.4 mAh g-1 and long cycle performance of 300 cycles at 1000 mA g-1 ). In addition, the sodium-ion storage mechanism of N-doped C@Zn3 B2 O6 is subsequently studied through air-insulated ex situ characterizations of X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Fourier-transform infrared (FT-IR) spectroscopy, and is found to be rather different from previous reports on borate anode materials for NIBs and lithium-ion batteries. The reaction mechanism is deduced and proposed as: Zn3 B2 O6 + 6Na+ + 6e- ⇋ 3Zn + B2 O3 ∙ 3Na2 O, which indicates that the generated boracic phase is electrochemically active and participates in the later discharge/charge progress
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|a Journal Article
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|a N-doped C
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|a Na-ion batteries
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|a Zn3B2O6
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|a anodes
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|a Zhang, Xin-Bo
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 5 vom: 15. Feb., Seite e1805432
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:31
|g year:2019
|g number:5
|g day:15
|g month:02
|g pages:e1805432
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|u http://dx.doi.org/10.1002/adma.201805432
|3 Volltext
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