scholarly journals Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries

Nanomaterials ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 2689
Author(s):  
UnJin Ryu ◽  
Won Ho Choi ◽  
Panpan Dong ◽  
Jeeyoung Shin ◽  
Min-Kyu Song ◽  
...  
Keyword(s):  
Metal Organic Frameworks ◽  
Specific Capacity ◽  
Coating Material ◽  
Porous Coating ◽  
Internal Space ◽  
Coating Materials ◽  
Specific Chemical ◽  
Shuttle Effect ◽  
Metal Organic ◽  
Lithium Sulfur

One of the critical issues hindering the commercialization of lithium–sulfur (Li–S) batteries is the dissolution and migration of soluble polysulfides in electrolyte, which is called the ‘shuttle effect’. To address this issue, previous studies have focused on separators featuring specific chemical affinities or physical confinement by porous coating materials. However, there have been no studies on the complex effects of the simultaneous presence of the internal and interparticle spaces of porous materials in Li–S batteries. In this report, the stable Zr-based metal–organic frameworks (MOFs), UiO-66, have been used as a separator coating material to provide interparticle space via size-controlled MOF particles and thermodynamic internal space via amine functionality. The abundant interparticle space promoted mass transport, resulting in enhanced cycling performance. However, when amine functionalized UiO-66 was employed as the separator coating material, the initial specific capacity and capacity retention of Li–S batteries were superior to those materials based on the interparticle effect. Therefore, it is concluded that the thermodynamic interaction inside internal space is more important for preventing polysulfide migration than spatial condensation of the interparticle space.

Metal–organic frameworks as separators and electrolytes for lithium–sulfur batteries

2021 ◽  
Vol 9 (12) ◽  
pp. 7301-7316
Author(s):  
Zihao Chu ◽  
Xiaochun Gao ◽  
Chengyin Wang ◽  
Tianyi Wang ◽  
Guoxiu Wang
Keyword(s):  
Metal Organic Frameworks ◽  
Design Strategies ◽  
Lithium Sulfur Batteries ◽  
Metal Organic ◽  
Lithium Sulfur

This review provides a specialized summary of metal–organic frameworks as separators and electrolytes for lithium–sulfur batteries, including design strategies and applications.

Metal-Organic Frameworks for High Charge-Discharge Rates in Lithium-Sulfur Batteries

2018 ◽  
Vol 57 (15) ◽  
pp. 3916-3921 ◽  
Author(s):  
Haoqing Jiang ◽  
Xiao-Chen Liu ◽  
Yushan Wu ◽  
Yufei Shu ◽  
Xuan Gong ◽  
...  
Keyword(s):  
Metal Organic Frameworks ◽  
High Charge ◽  
Discharge Rates ◽  
Lithium Sulfur Batteries ◽  
Metal Organic ◽  
Lithium Sulfur ◽  
Charge Discharge

Metal-Organic Frameworks for High Charge-Discharge Rates in Lithium-Sulfur Batteries

2018 ◽  
Vol 130 (15) ◽  
pp. 3980-3985 ◽  
Author(s):  
Haoqing Jiang ◽  
Xiao-Chen Liu ◽  
Yushan Wu ◽  
Yufei Shu ◽  
Xuan Gong ◽  
...  
Keyword(s):  
Metal Organic Frameworks ◽  
High Charge ◽  
Discharge Rates ◽  
Lithium Sulfur Batteries ◽  
Metal Organic ◽  
Lithium Sulfur ◽  
Charge Discharge

Novel melamine-based porous organic polymers: synthesis, characterizations, morphology modifications, and their applications in lithium-sulfur batteries

2021 ◽  
Author(s):  
Haiyang Liu ◽  
Jiaxing Wang ◽  
Miao SUN ◽  
Yu Wang ◽  
Runing Zhao ◽  
...  
Keyword(s):  
High Performance ◽  
Rational Design ◽  
Specific Capacity ◽  
High Capacity ◽  
Lithium Ion ◽  
Organic Polymer ◽  
Energy Storage Devices ◽  
Shuttle Effect ◽  
Physical Constraints ◽  
Lithium Sulfur

Abstract Lithium-sulfur (Li-S) batteries have been considered to be one of the most promising energy storage devices in the next generation. However, the insulating properties of sulfur and the shuttle effect of soluble lithium polysulfides (LiPSs) seriously hinder the practical application of Li-S batteries. In this paper, a novel porous organic polymer (HUT3) was prepared based on the polycondensation between melamine and 1,4-phenylene diisocyanate. The micro morphology of HUT3 was improved by in-situ growth on different mass fractions of rGO (5%, 10%, 15%), and the obtained HUT3-rGO composites were employed as sulfur carriers in Li-S batteries with promoted the sulfur loading ratio and lithium ion mobility. Attributed to the synergistic effect of the chemisorption of polar groups and the physical constraints of HUT3 structure, HUT3-rGO/S electrodes exhibits excellent capacity and cyclability performance. For instance, HUT3-10rGO/S electrode exhibits a high initial specific capacity of 950 mAh g-1 at 0.2 C and retains a high capacity of 707 mAh g-1 after 500 cycles at 1 C. This work emphasizes the importance of the rational design of the chemical structure and opens up a simple way for the development of cathode materials suitable for high-performance Li-S batteries.

A novel free-standing metal organic frameworks-derived cobalt sulfide polyhedron array for shuttle effect suppressive lithium-sulfur batteries

2021 ◽  
Author(s):  
Tianli Han ◽  
Xirong Lin ◽  
Junfei Cai ◽  
Jinjin Li ◽  
Yajun Zhu ◽  
...  
Keyword(s):  
Density Functional ◽  
Three Dimensional ◽  
Temperature Tolerance ◽  
Cobalt Sulfide ◽  
Carbon Cloth ◽  
Free Standing ◽  
Functional Theory ◽  
Shuttle Effect ◽  
Metal Organic ◽  
Lithium Sulfur

Abstract Metal-organic-foams (MOFs)-derived nanostructures have received broad attention for secondary batteries. However, common strategies are focusing on the preparation of dispersive materials, which need complicated steps and some additives for making electrodes of batteries. Here, we develop a novel free-standing Co9S8 polyhedron array derived from ZIF-67, which grows on a three-dimensional carbon cloth for lithium-sulfur (Li-S) battery. The polar Co9S8 provides strong chemical binding to immobilize polysulfides, which enables efficiently suppressing of the shuttle effect. The free-standing S@Co9S8 polyhedron array-based cathode exhibits ultrahigh capacity of 1079 mAh g-1 after cycling 100 times at 0.1C, and long cycling life of 500 cycles at 1C, recoverable rate-performance and good temperature tolerance. Furthermore, the adsorption energies towards polysulfides are investigated by using density functional theory (DFT) calculations, which display a strong binding with polysulfides.

scholarly journals MnO2/rGO/CNTs Framework as a Sulfur Host for High-Performance Li-S Batteries

Molecules ◽  
2020 ◽  
Vol 25 (8) ◽  
pp. 1989 ◽  
Author(s):  
Wei Dong ◽  
Lingqiang Meng ◽  
Xiaodong Hong ◽  
Sizhe Liu ◽  
Ding Shen ◽  
...  
Keyword(s):  
High Performance ◽  
Physical Adsorption ◽  
Rapid Development ◽  
Electronic Conductivity ◽  
Specific Capacity ◽  
Framework Structure ◽  
Shuttle Effect ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur ◽  
Initial Capacity

Lithium-sulfur batteries are very promising next-generation energy storage batteries due to their high theoretical specific capacity. However, the shuttle effect of lithium-sulfur batteries is one of the important bottlenecks that limits its rapid development. Herein, physical and chemical dual adsorption of lithium polysulfides are achieved by designing a novel framework structure consisting of MnO2, reduced graphene oxide (rGO), and carbon nanotubes (CNTs). The framework-structure composite of MnO2/rGO/CNTs is prepared by a simple hydrothermal method. The framework exhibits a uniform and abundant mesoporous structure (concentrating in ~12 nm). MnO2 is an α phase structure and the α-MnO2 also has a significant effect on the adsorption of lithium polysulfides. The rGO and CNTs provide a good physical adsorption interaction and good electronic conductivity for the dissolved polysulfides. As a result, the MnO2/rGO/CNTs/S cathode delivered a high initial capacity of 1201 mAh g−1 at 0.2 C. The average capacities were 916 mAh g−1, 736 mAh g−1, and 547 mAh g−1 at the current densities of 0.5 C, 1 C, and 2 C, respectively. In addition, when tested at 0.5 C, the MnO2/rGO/CNTs/S exhibited a high initial capacity of 1010 mAh g−1 and achieved 780 mAh g−1 after 200 cycles, with a low capacity decay rate of 0.11% per cycle. This framework-structure composite provides a simple way to improve the electrochemical performance of Li-S batteries.

scholarly journals The application of metal-organic frameworks in electrode materials for lithium–ion and lithium–sulfur batteries

2019 ◽  
Vol 6 (7) ◽  
pp. 190634 ◽  
Author(s):  
Ji Ping Zhu ◽  
Xiu Hao Wang ◽  
Xiu Xiu Zuo
Keyword(s):  
Electrode Materials ◽  
Gas Adsorption ◽  
Metal Organic Frameworks ◽  
Lithium Ion ◽  
Drug Carriers ◽  
Large Specific Surface Area ◽  
Lithium Sulfur Batteries ◽  
Battery Electrode ◽  
Metal Organic ◽  
Lithium Sulfur

Metal-organic frameworks (MOFs) have gained increased attention due to their unique features, including tunable pore sizes, controllable structures and a large specific surface area. In addition to their application in gas adsorption and separation, hydrogen storage, optics, magnetism and organic drug carriers, MOFs also can be used in batteries and supercapacitors which have attracted the researcher's attention. Based on recent studies, this review describes the latest developments about MOFs as battery electrode materials which are used in lithium–ion and lithium–sulfur batteries.

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