Mechanochemical production of graphene/amorphous carbon/Mn3O4 nanocomposites for asymmetric supercapacitor

Li, Lin; Jiang, Yulin; Guo, Chao; Han, Kun; Cui, Xun; He, Chengen; Chen, Yihuang; Yang, Yingkui

doi:10.1016/j.apsusc.2024.159388

Applied Surface Science

2024

DOI: 10.1016/j.apsusc.2024.159388

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Mechanochemical production of graphene/amorphous carbon/Mn3O4 nanocomposites for asymmetric supercapacitor

Lin Li,

Yulin Jiang,

Chao Guo

et al.

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2024

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Cited by 7 publications

References 66 publications

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Modelling Approaches of the Dispersion Process for Conductive Slurries in Chemical Process Industries

Shariq,

Nemec

2024

Adv Eng Mater

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In this article, the review on different modeling approaches used for the dispersion of conductive slurries is presented. It comprises three parts: state‐of‐the‐art dispersion process, physiochemical properties, and different modelling approaches. The first part explains the physical mechanism involved in the mixing process and gives an in‐depth understanding of the applicability of the current techniques available commercially with respect to lab‐scale, pilot plant, and industrially upscaled production of these conductive slurries. The main challenges in slurry formulation prevent the formation of agglomerates and breaking down the preexisting agglomerates. It can be understood by studying the role of process parameters such as mixing time and stirring speed involved in the dispersion process. The second part focusses on the important physiochemical properties such as solid content, particle size distribution, and rheology that influences the electrode performance. The third part focusses on the available modelling approaches based on computational‐fluid‐dynamics‐ and coarse‐grained‐molecular‐dynamics‐based on the need as well as the complexity involved. The important aspects such as accuracy, computational cost, advantages, and limitations for both these approaches are discussed that will help the readers to select an appropriate technique in the modelling paradigm to reduce the energy consumption in the dispersion process.

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Modelling Approaches of the Dispersion Process for Conductive Slurries in Chemical Process Industries

Shariq,

Nemec

2024

Adv Eng Mater

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A novel design for conversion and storage of solar thermal energy into electrical energy using a solar thermoelectric device‐coupled supercapacitor

Ma,

Wang,

Zhang

et al. 2024

Carbon Neutralization

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The conversion of solar‐thermal (ST) power into electrical power along with its efficient storage represents a crucial and effective approach to address the energy crisis. The thermoelectric (TE) generator can absorb ST power and transform it into electrical energy, making it a highly viable technology to achieve photo‐thermal conversion (PTC). However, the practical application of the pristine TE generator devices on a larger scale is still facing several challenges. On the one hand, the pristine TE generator device has low inherent PTC efficiency, thereby leading to low power conversion. On the other hand, such solar‐thermoelectric (STE) conversion does not provide the functionality of electric energy storage. Herein, an effective strategy has been proposed that employs a CoAl2O4 PTC coating to decorate the pristine TE generator for developing the STE generator device with the remarkable STE performance and then coupling this device with a supercapacitor (SC) for effective storage power. In comparison to the pristine TE generator, the developed STE device exhibited considerable enhancement in both the open‐circuit voltage (Voc) and its maximum power density, displaying more than a 4‐ and 15‐fold improvement, respectively. In addition, the feasibility of coupling this solar‐driven STE generator device in series with a SC for ST conversion and storage was verified, and the working mechanism has been elucidated. This work presents a promising approach to effectively convert and store clean solar power into electrical energy, enabling practical applications of STE generator devices in conjunction with other electrochemical energy storage devices.

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O-N-S self-doped porous fusiform carbon particles derived from hair for high-performance supercapacitors

Qiang,

Song,

Wei

et al. 2024

Ionics

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Mechanochemical production of graphene/amorphous carbon/Mn3O4 nanocomposites for asymmetric supercapacitor

Cited by 7 publications

References 66 publications

Modelling Approaches of the Dispersion Process for Conductive Slurries in Chemical Process Industries

Modelling Approaches of the Dispersion Process for Conductive Slurries in Chemical Process Industries

A novel design for conversion and storage of solar thermal energy into electrical energy using a solar thermoelectric device‐coupled supercapacitor

O-N-S self-doped porous fusiform carbon particles derived from hair for high-performance supercapacitors

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