Versatile carbon-based materials from biomass for advanced electrochemical energy storage systems

Zhu, Ziyi; Men, Yongling; Zhang, Wenjia; Yang, Wenhao; Wang, Fei; Zhang, Yanjia; Zhang, Yiyong; Zeng, Xiaoyuan; Xiao, Jie; Tang, Cheng; Li, Xue; Zhang, Yingjie

doi:10.1016/j.esci.2024.100249

eScience

2024

DOI: 10.1016/j.esci.2024.100249

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Versatile carbon-based materials from biomass for advanced electrochemical energy storage systems

Ziyi Zhu,

Yongling Men,

Wenjia Zhang

et al.

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Cited by 24 publications

References 305 publications

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Precursor Engineering for the Electrode of Vanadium Redox Flow Batteries

Wang,

Jiang,

Feng

et al. 2024

Adv Funct Materials

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As the demand for scalable electrochemical energy storage increases, vanadium redox flow batteries (VRFBs) offer multiple advantages due to their inherent safety, environmental friendliness, and power‐to‐capacity decoupling capability. However, the intrinsic structural limitations of the electrodes, coupled with deficiencies in their surface properties, significantly impede the practical implementation of VRFBs. The systematic optimization of electrodes through precursor engineering represents a forward‐thinking approach with significant potential for advancing the field. In this paper, recent advances in VRFB electrodes are comprehensively reviewed from the perspective of precursor engineering. To begin with, the advantages based on different types of precursors and processing methods are elucidated. Next, the focus is on the additive modification and design of electrodes through various precursor engineering strategies to optimize their structural and surface properties. Lastly, this review also discusses the current dilemmas faced by the four types of precursor engineering and explores future directions. It is hoped that this review will contribute to the further innovation and production application of VRFB electrode materials.

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Precursor Engineering for the Electrode of Vanadium Redox Flow Batteries

Wang,

Jiang,

Feng

et al. 2024

Adv Funct Materials

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High‐Entropy Engineering Reinforced Surface Electronic States and Structural Defects of Hierarchical Metal Oxides@Graphene Fibers toward High‐Performance Wearable Supercapacitors

Hu,

Yang,

Chen

et al. 2024

Advanced Materials

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Construction advanced fibers with high Faradic activity and conductivity are effective to realize high energy density with sufficient redox reactions for fiber‐based electrochemical supercapacitors (FESCs), yet it is generally at the sacrifice of kinetics and structural stability. Here, a high‐entropy doping strategy is proposed to develop high‐energy‐density FESCs based on high‐entropy doped metal oxide@graphene fiber composite (HE‐MO@GF). Due to the synergistic participation of multi‐metal elements via high‐entropy doping, the HE‐MO@GF features abundant oxygen vacancies from introducing various low‐valence metal ions, lattice distortions, and optimized electronic structure. Consequently, the HE‐MO@GF maintains sufficient active sites, a low diffusion barrier, fast adsorption kinetics, improved electronic conductivity, enhanced structural stability, and Faradaic reversibility. Thereinto, HE‐MO@GF presents ultra‐large areal capacitance (3673.74 mF cm−2) and excellent rate performance (1446.78 mF cm−2 at 30 mA cm−2) in 6 M KOH electrolyte. The HE‐MO@GF‐based solid‐state FESCs also deliver high energy density (132.85 µWh cm−2), good cycle performance (81.05% of capacity retention after 10,000 cycles), and robust tolerance to sweat erosion and multiple washing, which is woven into the textile to power various wearable devices (e.g., watch, badge and luminous glasses). This high‐entropy strategy provides significant guidance for designing innovative fiber materials and highlights the development of next‐generation wearable energy devices.

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Recent Advances in Salt‐Template Assisted Synthesis of 3D Porous Carbon Materials for Electrochemical Energy Storage

Jiang,

Liu,

et al. 2024

Batteries & Supercaps

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The structure, morphology, and composition of electrode materials play a crucial role in determining the electrochemical performance of energy storage devices. Among various materials, three‐dimensional (3D) porous carbon stands out for its potential to enhance electrochemical energy storage due to its cost‐effectiveness, excellent ion and electron conductivity, abundant active sites, and customizable pore structure. The salt‐template method offers an environmentally friendly, fast, and cost‐efficient approach to synthesizing 3D porous carbon, with the added advantage of adjustable pore architecture and composition. This review provides a comprehensive overview of recent advancements in preparing 3D porous carbon and its composites using the salt‐template method, emphasizing their applications in batteries and supercapacitors. It also critically examines the existing challenges and explores potential future directions for further development in this field.

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Versatile carbon-based materials from biomass for advanced electrochemical energy storage systems

Cited by 24 publications

References 305 publications

Precursor Engineering for the Electrode of Vanadium Redox Flow Batteries

Precursor Engineering for the Electrode of Vanadium Redox Flow Batteries

High‐Entropy Engineering Reinforced Surface Electronic States and Structural Defects of Hierarchical Metal Oxides@Graphene Fibers toward High‐Performance Wearable Supercapacitors

Recent Advances in Salt‐Template Assisted Synthesis of 3D Porous Carbon Materials for Electrochemical Energy Storage

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