An azo functionalized anthraquinone as organic electrode materials for efficient pseudocapacitors with excellent cycling stability

Jagdale, Sudhir D.; Rao, Chepuri R.K.; Bhosale, Sidhanath V.; Bhosale, Sheshanath V.

doi:10.1016/j.est.2023.110323

Journal of Energy Storage

2024

DOI: 10.1016/j.est.2023.110323

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An azo functionalized anthraquinone as organic electrode materials for efficient pseudocapacitors with excellent cycling stability

Sudhir D. Jagdale,

Chepuri R.K. Rao,

Sidhanath V. Bhosale

et al.

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2024

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Cited by 3 publications

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A novel benzoquinone‐azo linked polymer‐based active electrode material for high‐performance symmetric pseudocapacitors

Jagadale,

Bhosale,

Bhosale

2024

J of Applied Polymer Sci

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Pseudocapacitors (PSCs) have attracted researcher's attention due to their potential electrochemical performance as the power source for electronic devices. However, to maintain the high electrochemical properties of pseudocapacitive materials becomes critical. Therefore, the active electrode materials design and synthesis is a challenging task. To tackle these problems, herein, we rationally designed new polymer based on benzoquinone with azo linker. The polymer AZO‐BQ‐P was synthesized and tested for their energy storage applications in combination with graphite foil (GF). In three‐electrode supercapacitor (SC) device, the AZO‐BQ‐P/GF electrode exhibits excellent specific capacitance (Csp) of about 306.27 F g−1 at 0.5 A g−1 current density and higher cycling stability. The pseudocapacitive performance of SC cells result from synergistic effect of AZO‐BQ‐P and GF and due to faster electrolyte ion diffusion and increased availability at electrode/electrolyte interfaces. Furthermore, AZO‐BQ‐P/GF electrode was employed to fabricate two‐electrode AZO‐BQ‐P/GF//AZO‐BQ‐P/GF symmetric SC device. The optimal SSC device shows a Csp reaching 200 F g−1 at 0.5 A g−1, which is an impressive value. Also, it exhibits remarkable cycling stability with 86.18% Csp retention after 5000 galvanostatic charging–discharging (GCD) cycles at 3 A g−1. The SSC device applying AZO‐BQ‐P/GF electrode delivers an excellent energy density (ED) of 25.00 Wh kg−1 at 900.00 W kg−1 power density (PD). Thus, the novel polymer design offers efficient electrode materials to enhance the pseudocapacitive electrochemical performance of the SSC device. This concept can be extended for fabricating other electrochemical systems and accelerate its applications for modern electronic devices.

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A novel benzoquinone‐azo linked polymer‐based active electrode material for high‐performance symmetric pseudocapacitors

Jagadale,

Bhosale,

Bhosale

2024

J of Applied Polymer Sci

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Synthesis of natural heteroatom co-doped porous carbon by co-pyrolysis of kapok tree and peanut bran coupled with microwave activation

Zhang,

Yu,

et al. 2024

Journal of Analytical and Applied Pyrolysis

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+Emerging organic electrode materials for sustainable batteries

Hari Prasad,

Malavika,

Pillai

et al. 2024

NPG Asia Mater

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Organic electrode materials (OEMs) possess low discharge potentials and charge‒discharge rates, making them suitable for use as affordable and eco-friendly rechargeable energy storage systems without needing metals such as lithium or sodium. OEMs can provide a sustainable energy economy by their development into stable and efficient next-generation high-power batteries. Despite the presence of several classes of OEMs, such as conducting polymers, 2D and 3D metal-organic frameworks, organolithium derivatives, 2D covalent organic frameworks, aromatic heterocyclic imides, and viologen derivatives, since their introduction in the 1960s, carbonyl-based molecules have maintained low discharge potentials and stable charging/discharging properties. Nevertheless, several redox-active organic molecules, including carbonyl derivatives, show poor electrochemical stability and ionic mobility in standard battery electrolytes, hampering their commercial use. Therefore, with the increased demand for renewable energy, the synthesis and testing of carbonyl-based OEMs continue to be performed in energy research. This review summarizes recent advances in developing carbonyl-based OEMs and their performance in rechargeable batteries.

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An azo functionalized anthraquinone as organic electrode materials for efficient pseudocapacitors with excellent cycling stability

Cited by 3 publications

References 67 publications

A novel benzoquinone‐azo linked polymer‐based active electrode material for high‐performance symmetric pseudocapacitors

A novel benzoquinone‐azo linked polymer‐based active electrode material for high‐performance symmetric pseudocapacitors

Synthesis of natural heteroatom co-doped porous carbon by co-pyrolysis of kapok tree and peanut bran coupled with microwave activation

+Emerging organic electrode materials for sustainable batteries

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