Fabrication of a Covalent Triazine Framework Functional Interlayer for High-Performance Lithium–Sulfur Batteries

Hu, Ben; Ding, Bing; Xu, Chong; Fan, Zengjie; Luo, Derong; Dou, Hui; Zhang, Xiaogang

doi:10.3390/nano12020255

Cited by 9 publications

(3 citation statements)

References 46 publications

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“…[79] For instance, Hu et.al prepared a CTF/CNT-modified Celgard separator through vacuum filtration for high-density Lithium-sulfur batteries. [80] The thickness and loading mass of the coating layer can be adjusted by the amount of CTE, CNT, and PVDF. Similarly, Tian et al obtained a MOF separator that is ultrathin, highly-orientated, and flexible via vacuum filtration (Figure 2b) of the Cu 2 (CuTCPP) nanosheet suspension.…”

Section: Vacuum Filtrationmentioning

confidence: 99%

“…Previous studies have shown that this method is simple, convenient and scalable, which is beneficial to the synthesis of modified separators [79] . For instance, Hu et.al prepared a CTF/CNT‐modified Celgard separator through vacuum filtration for high‐density Lithium‐sulfur batteries [80] . The thickness and loading mass of the coating layer can be adjusted by the amount of CTE, CNT, and PVDF.…”

Section: Fabrication Of Mofs/cofs Based Separatorsmentioning

confidence: 99%

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Application of Metal/Covalent Organic Frameworks in Separators for Metal‐Ion Batteries

Song

Liu

2023

ChemNanoMat

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Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) are two emerging families of functional materials that have found widespread applications in various fields. With the unique features of large surface area, tunable pore structure, high porosity, and easy surface functionalization, they are considered a kind of promising separators candidates for novel separators in rechargeable batteries. Over the years, many studies on the application of MOF/COF‐based separators have been reported with excellent performance. Herein, we highlight the recent progress of MOF/COF separators for advanced batteries. Firstly, the key properties of MOF/COF separators are presented. Then, we summarize the fabrication methods of MOF/COF separators. Afterward, an overview of the applications of MOF/COF based separators in lithium‐based batteries, sodium‐based batteries, and other secondary batteries. Finally, we present a summary and future outlook of MOF/COF separators, including their potential and current challenges.

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Section: Vacuum Filtrationmentioning

confidence: 99%

Section: Fabrication Of Mofs/cofs Based Separatorsmentioning

confidence: 99%

Application of Metal/Covalent Organic Frameworks in Separators for Metal‐Ion Batteries

Song

Liu

2023

ChemNanoMat

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“…Subsequently, Zhang et al modified the general Li–S battery separator using a CTF‐type COF. [ 69 ] The CTF/CNT composite could offer a regular channel for quick Li + /electronic transport and exhibits potent PSs‐adsorption properties. Using the CTF/CNT/Celgard separator, the rate capability and cycle properties of the battery are obviously promoted.…”

Section: Application Of Cofs In S‐based Battery Separatorsmentioning

confidence: 99%

Application of Covalent Organic Frameworks in Sulfur‐Based Battery Separators

et al. 2023

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Owing to the high storage capacity and multiple‐electron‐transfer chemistry of sulfur (S), sulfur‐based (S‐based) batteries with merits of high theoretical capacity/energy density, eco‐friendliness, and abundant supply hold much potential for energy‐storage/conversion devices. The capacity of S‐based batteries is much higher than that of traditional‐metal‐oxide cathode‐based lithium‐ion batteries, which is regarded as the highest capacity of solid‐state cathode materials at the current stage. As a vital component of S‐based batteries, separators play a profound role in resolving urgent issues (e.g., shuttling effect, volume expansion, poor conductivity, and metal dendrites, etc.). So far, some pioneering works have been reported in the exploration of separators for S‐based battery. On this basis, covalent organic frameworks (COFs), as a kind of functional materials, offer much possibility for S‐based battery separators due to their advantages such as high porosity, crystalline and well‐defined structures, designable struts, and tunable functions, etc. Herein, the reported works about COFs in S‐based battery separators including their structural characteristics, preparation methods, application forms, and battery properties are summarized. Moreover, also, a brief perspective is proposed on the challenges of COFs applied in S‐based battery separators, and new insights are provided for scientists in this field.

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Covalent Organic Framework Based Lithium–Sulfur Batteries: Materials, Interfaces, and Solid‐State Electrolytes

Fan

et al. 2023

Advanced Energy Materials

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142

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Lithium–sulfur batteries are recognized as one of the most promising next‐generation energy‐storage technologies owing to their high energy density and low cost. Nevertheless, the shuttle effect of polysulfide intermediates and the formation of lithium dendrites are the principal reasons that restrict the practical adoption of current Li–S batteries. Adjustable frameworks, structural variety, and functional adaptability of covalent organic frameworks (COFs) have the potential to overcome the issues associated with Li–S battery technology. Herein, a summary is presented of emerging COF materials in addressing the challenging problems in terms of sulfur hosts, modified separators, artificial solid electrolyte interphase layers, and solid‐state electrolytes. This comprehensive overview focuses on the design and chemistry of COFs used to upgrade Li–S batteries. Furthermore, existing difficulties, prospective remedies, and prospective research directions for COFs for Li–S batteries are discussed, laying the groundwork for future advancements in this class of fascinating materials.

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Fabrication of a Covalent Triazine Framework Functional Interlayer for High-Performance Lithium–Sulfur Batteries

Cited by 9 publications

References 46 publications

Application of Metal/Covalent Organic Frameworks in Separators for Metal‐Ion Batteries

Application of Metal/Covalent Organic Frameworks in Separators for Metal‐Ion Batteries

Application of Covalent Organic Frameworks in Sulfur‐Based Battery Separators

Covalent Organic Framework Based Lithium–Sulfur Batteries: Materials, Interfaces, and Solid‐State Electrolytes

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