Enhancing aqueous battery energy storage through electrochemically-driven reconstruction of electrode materials utilizing metal-oxygen clusters

IF 12.7 1区 材料科学 Q1 ENGINEERING, MULTIDISCIPLINARY
Jinyue Song , Jiale Lei , Hongguang Fan, Yanpeng Wang, Yusheng Luo, Yongcheng Jin, Shuang Liu, Wei Liu
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引用次数: 0

Abstract

The electrochemical reconstruction of electrode materials is a common phenomenon that occurs during electrochemical reactions, but the evolution process of materials during reconstruction is still a field rarely explored since the intricate and diverse initial electrode structures render the reconstruction process exceptionally complex. In this work, Bi6 polyhedral clusters are used as building units to alleviate the impact of initial structures, providing an opportunity to reveal the electrochemically-driven reconstruction. By fine-tuning the composition by doping metal atoms (Fe, Cu, Zn), the electrochemically-driven reconstruction of Bi6 polyhedral clusters resulted in the Cu/Zn co-doped Bi2O3/FeOOH nanosized heterostructure with distinctive structural features including competitive growth of heterogeneous grains, micro-zone stress, and diverse functionalities of metal ions. As an anode material, its assembled aqueous batteries achieve a high-level equilibrium of energy and power density with 102.2 Wh kg−1 at the power density of 27.2 kW kg−1. This study paves the way for the spontaneous construction of novel electrode materials through electrochemical reconstruction, promising accelerated advancements in high-performance electrochemical energy storage devices.
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来源期刊
Composites Part B: Engineering
Composites Part B: Engineering 工程技术-材料科学:复合
CiteScore
24.40
自引率
11.50%
发文量
784
审稿时长
21 days
期刊介绍: Composites Part B: Engineering is a journal that publishes impactful research of high quality on composite materials. This research is supported by fundamental mechanics and materials science and engineering approaches. The targeted research can cover a wide range of length scales, ranging from nano to micro and meso, and even to the full product and structure level. The journal specifically focuses on engineering applications that involve high performance composites. These applications can range from low volume and high cost to high volume and low cost composite development. The main goal of the journal is to provide a platform for the prompt publication of original and high quality research. The emphasis is on design, development, modeling, validation, and manufacturing of engineering details and concepts. The journal welcomes both basic research papers and proposals for review articles. Authors are encouraged to address challenges across various application areas. These areas include, but are not limited to, aerospace, automotive, and other surface transportation. The journal also covers energy-related applications, with a focus on renewable energy. Other application areas include infrastructure, off-shore and maritime projects, health care technology, and recreational products.
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