Controllable vacancy strategy mediated by organic ligands of nickel fluoride alkoxides for high-performance aqueous energy storage

Shi, Wei; Meng, Zeshuo; Xu, Zijin; Xu, Jian; Sun, Xucong; Nan, Haoshan; Zhang, Chenxu; Yu, Shansheng; Hu, Xiaoying; Tian, Hongwei

doi:10.1039/d2ta08004d

Cited by 9 publications

(2 citation statements)

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“…20,21 In addition, the low conductivity of the M-F bond greatly reduces the strength of the reconguration reaction. 22,23 This, in turn, declines the kinetic rate of conversion from high entropy perovskite uoride to the actual active substance, greatly inhibiting the theoretical catalytic activity of HEPFs. Fortunately, high entropy perovskite uorides (HEPFs) offer favorable conditions for regulating their electronic structure due to the presence of highly electrochemically active elements at the B-site.…”

Section: Introductionmentioning

confidence: 99%

Enhancing the electrostatic potential difference of high entropy perovskite fluorides by ligand modification for promoted dynamic reconstruction

Hao,

Du,

Deng

et al. 2023

J. Mater. Chem. A

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Section: Introductionmentioning

confidence: 99%

Enhancing the electrostatic potential difference of high entropy perovskite fluorides by ligand modification for promoted dynamic reconstruction

Hao,

Du,

Deng

et al. 2023

J. Mater. Chem. A

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“…As global energy demand continues to grow, the depletion of fossil fuels and the worsening environmental pollution highlights the increasing importance of developing sustainable and renewable energy sources [1][2][3] . New energy sources such as solar power, wind energy, and tidal energy have been developed as alternatives to traditional fossil fuels.…”

Section: Introductionmentioning

confidence: 99%

Research progress on hydroxide fluoride-based electrode materials for supercapacitors

Xu,

Meng

2023

Energ. Stor. Conv.

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Supercapacitors have attracted much attention due to their high-power density and long cycle life, making them a potential substitute for traditional batteries. The research on hydroxide fluorides as electrode materials for supercapacitors has been increasing. Hydroxide fluorides exhibit higher specific capacitance due to the redox reactions between transition metal elements in different oxidation states. However, their high resistance limits their rate performance and cycling stability, which hinders their large-scale application. This article summarizes the main synthesis methods of hydroxide fluorides, and by controlling the reaction conditions, hydroxide fluorides with different morphologies and structures can be obtained to meet various application requirements. In addition, considering the limitations of hydroxide fluorides, this article systematically introduces the main approaches to improving their electrode performance and summarizes the electrochemical characteristics and latest research progress of hydroxide fluorides.

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Research advances of metal fluoride for energy conversion and storage

Zhang,

Xu,

Hao

et al. 2024

Carbon Energy

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In recent years, renewable energy sources, which aim to replace rapidly depleting fossil fuels, face challenges due to limited energy storage and conversion technologies. To enhance energy storage and conversion efficiency, extensive research has been conducted in the academic community on numerous potential materials. Among these materials, metal fluorides have attracted significant attention due to their ionic metal–fluorine bonds and tunable electronic structures, attributed to the highest electronegativity of fluorine in their chemical composition. This makes them promising candidates for future electrochemical applications in various fields. However, metal fluorides encounter various challenges in different application directions. Therefore, we comprehensively review the applications of metal fluorides in the field of energy storage and conversion, aiming to deepen our understanding of their exhibited characteristics in different electrochemical processes. In this paper, we summarize the difficulties and improvement methods encountered in different types of battery applications and several typical electrode optimization strategies in the field of supercapacitors. In the field of water electrolysis, we focus on surface reconstruction and the critical role of fluorine, demonstrating the catalytic performance of metal fluorides from the perspectives of reconstruction mechanism and process analysis. Finally, we provide a summary and outlook for this field, aiming to offer guidance for future breakthroughs in the energy storage and conversion applications of metal fluorides.

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Controllable vacancy strategy mediated by organic ligands of nickel fluoride alkoxides for high-performance aqueous energy storage

Abstract: Controllable vacancy engineering strategy plays a significant role in the rational design of electrochemical energy conversion and storage.

Cited by 9 publications

References 77 publications

Enhancing the electrostatic potential difference of high entropy perovskite fluorides by ligand modification for promoted dynamic reconstruction

Enhancing the electrostatic potential difference of high entropy perovskite fluorides by ligand modification for promoted dynamic reconstruction

Research progress on hydroxide fluoride-based electrode materials for supercapacitors

Research advances of metal fluoride for energy conversion and storage

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