.Boosting lithium storage in covalent triazine framework for symmetric all-organic lithium-ion batteries by regulating the degree of spatial distortion
Copyright © 2024 Elsevier Inc. All rights reserved..
Covalent triazine frameworks (CTFs) with tunable structure, fine molecular design and low cost have been regarded as a class of ideal electrode materials for lithium-ion batteries (LIBs). However, the tightly layered structure possessed by the CTFs leads to partial hiding of the redox active site, resulting in their unsatisfactory electrochemical performance. Herein, two CTFs (BDMI-CTF and TCNQ-CTF) with higher degree of structural distortion, more active sites exposed, and large lattice pores were prepared by dynamic trimerization reaction of cyano. As a result, BDMI-CTF as a cathode material for LIBs exhibits high initial capacity of 186.5 mAh/g at 50 mA g-1 and superior cycling stability without capacity loss after 2000 cycles at 1000 mA g-1 compared with TCNQ-CTF counterparts. Furthermore, based on their bipolar functionality, BDMI-CTF can be used as both cathode and anode materials for symmetric all-organic batteries (SAOBs), and this work will open a new window for the rational design of high performance CTF-based LIBs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:660 |
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| Enthalten in: |
Journal of colloid and interface science - 660(2024) vom: 15. Feb., Seite 1039-1047 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ren, Liqiu [VerfasserIn] |
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| Links: |
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| Themen: |
Bipolar feature |
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| Anmerkungen: |
Date Revised 10.02.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.jcis.2024.01.033 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM366904833 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2024 Elsevier Inc. All rights reserved. | ||
| 520 | |a Covalent triazine frameworks (CTFs) with tunable structure, fine molecular design and low cost have been regarded as a class of ideal electrode materials for lithium-ion batteries (LIBs). However, the tightly layered structure possessed by the CTFs leads to partial hiding of the redox active site, resulting in their unsatisfactory electrochemical performance. Herein, two CTFs (BDMI-CTF and TCNQ-CTF) with higher degree of structural distortion, more active sites exposed, and large lattice pores were prepared by dynamic trimerization reaction of cyano. As a result, BDMI-CTF as a cathode material for LIBs exhibits high initial capacity of 186.5 mAh/g at 50 mA g-1 and superior cycling stability without capacity loss after 2000 cycles at 1000 mA g-1 compared with TCNQ-CTF counterparts. Furthermore, based on their bipolar functionality, BDMI-CTF can be used as both cathode and anode materials for symmetric all-organic batteries (SAOBs), and this work will open a new window for the rational design of high performance CTF-based LIBs | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bipolar feature | |
| 650 | 4 | |a Covalent triazine frameworks | |
| 650 | 4 | |a Lithium-ion batteries | |
| 650 | 4 | |a Structural distortion | |
| 650 | 4 | |a Symmetric all-organic batteries | |
| 700 | 1 | |a Lian, Liang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xupeng |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yuying |e verfasserin |4 aut | |
| 700 | 1 | |a Han, Donglai |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Shuo |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Heng-Guo |e verfasserin |4 aut | |
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