Modified polydopamine derivatives as high-performance organic anodes for potassium-ion batteries

Zhang, Yi; Zhang, Chenglin; Fu, Qun; Zhao, Huihui; Lei, Yong

doi:10.1039/d2se00684g

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Ping Hu1

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2023

2024

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Cited by 2 publications

(1 citation statement)

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“…The commonly reported anode materials in PIBs mainly include non-metallic materials [39][40][41] and metal-based materials. 42,43 Non-metallic materials mainly include carbonbased materials 44 and phosphorus-based materials.…”

Section: Ping Humentioning

confidence: 99%

Bimetallic-based composites for potassium-ion storage: challenges and perspectives

Dong

et al. 2023

Inorg. Chem. Front.

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Section: Ping Humentioning

confidence: 99%

Bimetallic-based composites for potassium-ion storage: challenges and perspectives

Dong

et al. 2023

Inorg. Chem. Front.

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Structure-Modified Anode Material for Regenerable Organic Potassium-Ion Batteries

Yao,

Liu,

Thanwisai

et al. 2024

ACS Sustainable Chem. Eng.

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As the mismatch between the growing demand for energy storage and the scarcity of resources for the current lithium-ion batteries (LIBs) escalates, it is urgent to seek out an alternative solution for energy storage devices. Potassium-ion batteries (PIBs), with their resource abundance and analogous electrochemical potential, are expected to be a promising contender. Herein, by structure modification, a novel organic anode material of 2,5-bis-(methoxycarbonyl)-3,6-dioxocyclohexa-1,4-dienolate (K 2 dmcdbq) is synthesized and composited with carbon nanotubes to realize the properties of high capacity, high rate, cycle retention, and regenerability. The unique cation storage and capacity degradation mechanisms of the PIBs are studied, and the electrochemical performance is thoroughly recovered by a chemical regeneration process. Combined with the perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) cathode, the environmentally friendly all-organic potassium full cells achieve a regenerable energy density of 119 Wh kg −1 and a power density of 113 W kg −1 , which provides a fresh sight of material design for electrochemically active organic materials.

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Modified polydopamine derivatives as high-performance organic anodes for potassium-ion batteries

Abstract: Polydopamine (PDA) as a carbon source and a versatile coating material has been widely studied in rechargeable battery electrodes. However, it is rare to directly utilize PDA as organic anodes...

Cited by 2 publications

References 56 publications

Bimetallic-based composites for potassium-ion storage: challenges and perspectives

Bimetallic-based composites for potassium-ion storage: challenges and perspectives

Structure-Modified Anode Material for Regenerable Organic Potassium-Ion Batteries

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