Recent advancements in metal–organic frameworks for green applications

Duan, Chongxiong; Yu, Yi; Xiao, Jing; Li, Yuanyuan; Yang, Pengfei; Hu, Fei; Xi, Hongxia

doi:10.1016/j.gee.2020.04.006

Cited by 123 publications

(46 citation statements)

References 167 publications

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“…For example, when packing HKUST-1 powder into an adsorption column for capturing CH 4 , the mass transfer resistance increases with increasing column time because of the obvious decrease in pressure [15]. Furthermore, the MOF powder as a catalyst exhibits disadvantages, such as difficulty in separation and recycling [16,17]. Although bulk architecture can be obtained via the simple padding of the MOF powder, the large amount of void space between the individual discrete crystallites in powders reduces the packing density [18,19].…”

Section: Introductionmentioning

confidence: 99%

Recent advances in the synthesis of monolithic metal-organic frameworks

Duan

et al. 2021

Sci. China Mater.

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Although considerable achievements have been realized in recent years with respect to the syntheses of metalorganic frameworks (MOFs), majority of the developed MOFs are in the form of polydisperse microcrystalline powders, which cause dustiness, abrasion, and clogging and decrease pressure when used in industrial applications. Monolithic MOFs overcome these drawbacks and exhibit various promising characteristics. In this review, we present the recent advances associated with monolithic MOFs based on metal centers and a brief outline of the most prominent examples. Furthermore, the challenges and prospects associated with monolithic MOFs in terms of large-scale production and engineering applicability are analyzed based on our knowledge to conclude this review.

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Section: Introductionmentioning

confidence: 99%

Recent advances in the synthesis of monolithic metal-organic frameworks

Duan

et al. 2021

Sci. China Mater.

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“…As a subclass of metal organic frameworks (MOFs), ZIFs possess both high specific surface area and ultrahigh porosity and have excellent chemical and thermal stability [2,3]. Owing to these fascinating physicochemical characteristics, ZIFs can be applied for various applications such as gas storage [4], adsorption/separation [5], sensors [6], biomedicine [7], supercapacitors [8,9], and catalysis [10,11]. To date, a large number of ZIFs, such as ZIF-8, ZIF-67, and ZIF-90, have been synthesized; among these, ZIF-90 is recognized as an attractive material for preparing gas separation membranes owing to its special pore structure [12].…”

Section: Introductionmentioning

confidence: 99%

Facile fabrication of nanoscale hierarchical porous zeolitic imidazolate frameworks for enhanced toluene adsorption capacity

et al. 2020

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The development of a simple and facile synthesis route is a highly desirable but challenging process in the fabrication of nanoscale hierarchical porous zeolitic imidazolate frameworks (ZIFs). Herein we describe a facile method for rapidly synthesizing hierarchically porous ZIF-90 nanocrystals (particle sizes of * 300 nm) using hydroxyl double salts as intermediates at room temperature. The as-synthesized ZIF-90 contained hierarchical porous structures developed using a crystalline interior and a random stack of multiple nanoparticles. Both the morphology and particle size of ZIF-90 nanocrystals could be tuned by controlling the molar ratio of ICA/Zn 2? . Note that the as-synthesized hierarchically porous ZIF-90 nanocrystals exhibited higher thermal stability compared with the conventional ZIF-90. Because of the introduction of hierarchical porous structures, the resultant hierarchically porous ZIF-90 nanocrystals showed enhanced toluene adsorption capacity than those of conventional metal organic frameworks and zeolites.

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“…In recent years, with the increasingly serious energy crisis and environmental pollution problems, ecological environment [1][2][3][4][5][6][7][8] and energy have become the focus of human concern. New energy sources, such as solar, geothermal, wind, and oceanic energy, are being exploited more and more widely.…”

Section: Introductionmentioning

confidence: 99%

State of Charge Estimation of Composite Energy Storage Systems with Supercapacitors and Lithium Batteries

Wang

Liu

Sun³

et al. 2021

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This paper studies the state of charge (SOC) estimation of supercapacitors and lithium batteries in the hybrid energy storage system of electric vehicles. According to the energy storage principle of the electric vehicle composite energy storage system, the circuit models of supercapacitors and lithium batteries were established, respectively, and the model parameters were identified online using the recursive least square (RLS) method and Kalman filtering (KF) algorithm. Then, the online estimation of SOC was completed based on the Kalman filtering algorithm and unscented Kalman filtering algorithm. Finally, the experimental platform for SOC estimation was built and Matlab was used for calculation and analysis. The experimental results showed that the SOC estimation results reached a high accuracy, and the variation range of estimation error was [−0.94%, 0.34%]. For lithium batteries, the recursive least square method is combined with the 2RC model to obtain the optimal result, and the estimation error is within the range of [−1.16%, 0.85%] in the case of comprehensive weighing accuracy and calculation amount. Moreover, the system has excellent robustness and high reliability.

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Recent advancements in metal–organic frameworks for green applications

Cited by 123 publications

References 167 publications

Recent advances in the synthesis of monolithic metal-organic frameworks

Recent advances in the synthesis of monolithic metal-organic frameworks

Facile fabrication of nanoscale hierarchical porous zeolitic imidazolate frameworks for enhanced toluene adsorption capacity

State of Charge Estimation of Composite Energy Storage Systems with Supercapacitors and Lithium Batteries

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