Spatial confinement of MoS2 nanoparticles in jellyfish-inspired open-mouthed spheres for high-capacity and ultrafast-rate sodium-ion capture

IF 13.3 1区 工程技术 Q1 ENGINEERING, CHEMICAL
Xinyi Gong, Qingtao Ma, Luxiang Wang, Dianzeng Jia, Nannan Guo, Xuemei Wang
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引用次数: 0

Abstract

Rational nanoscale structure engineering of electroactive nanoarchitecture is a very promising strategy for designing advanced capacitive deionization (CDI) materials. Herein, inspired by jellyfish physiological structure, open-mouthed MoS2/C hierarchical porous spheres were fabricated via direct-spray pyrolysis by adopting a strategy of coupling defective MoS2 with locally conductive network graphene quantum dots. Such a well-developed open-mouthed interconnected porous structure significantly stimulated the permeation of electrolyte ion the deep internal spaces of electrode, facilitated fast ion diffusion and provided abundant electrochemical adsorption sites, endowing the MoS2/C electrode with a remarkable desalination capacity of 118.83 mg g−1, an impressively rapid desalination rate of 51.35 mg g−1 min−1, and a good long-term cycle stability of 82 % after 50 cycles. This work inspires the design hierarchically porous composite materials with unique micro-nanostructures, offering a new viable route for the continuous and efficient production of CDI electrode materials.
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来源期刊
Chemical Engineering Journal
Chemical Engineering Journal 工程技术-工程:化工
CiteScore
21.70
自引率
9.30%
发文量
6781
审稿时长
2.4 months
期刊介绍: The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.
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