Simplified fast synthesis of strong-coupling composite supercapacitor materials by one-step bipolar pulse electrodeposition

Líu, Hao; Chen, Haochang; Zhang, Shunzhe; Wang, Kaifeng; Yang, Lei; Chen, Yujie; Liu, Hezhou; Li, Hua

doi:10.1039/d2ta03436k

J. Mater. Chem. A

2022

DOI: 10.1039/d2ta03436k

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Simplified fast synthesis of strong-coupling composite supercapacitor materials by one-step bipolar pulse electrodeposition

Hao Líu

Haochang Chen

Shunzhe Zhang

et al.

Abstract: Combining two distinct materials to create high-performance electrode materials is a viable solution, but the process is inefficient, taking at least two processes and requiring tens of hours. Here, a...

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Cited by 7 publications

References 80 publications

(121 reference statements)

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One‐Step Cooperative Growth of High Reaction Kinetics Composite Homogeneous Core–Shell Heterostructure

Liu,

Chen,

Chen

et al. 2023

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Reaction kinetics can be improved by the enhanced electrical contact between different components growing symbiotically. But so far, due to the necessity for material synthesis conditions match, the component structures of cooperative growth are similar, and the materials are of the same type. The collaborative growth of high‐reaction kinetics composite homogeneous core–shell heterostructure between various materials is innovatively proposed with different structures in one step. The NiCo‐LDH and PPy successfully symbiotically grow on activated carbon fiber fabric in one step. The open channel structure of the NiCo‐LDH nanosheets is preserved while PPy effectively wrapped around the NiCo‐LDH. The well‐defined nanostructure with abundant active sites and convenient ion diffusion paths is favorable for electrolyte entry into the entire nanoarrays. In addition, owing to the enhanced electronic interaction between different components through XPS analysis, the NiCo‐LDH@PPy electrode shows outstanding reaction kinetics and structural stability. The as‐synthesized NiCo‐LDH@PPy exhibited excellent super‐capacitive storage capabilities, robust capacitive activity, and good rate survival. Furthermore, an asymmetric supercapacitor (ASC) device made of NiCo‐LDH@PPy and activated carbon (AC) is able to maintain a long cycle life while achieving high power and energy densities.

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One‐Step Cooperative Growth of High Reaction Kinetics Composite Homogeneous Core–Shell Heterostructure

Liu,

Chen,

Chen

et al. 2023

Small

Self Cite

View full text Add to dashboard Cite

show abstract

Construction of hairbrush-like (Ni3S2/NiSe-3:1)/carboxymethylcellulose derived carbon heterostructure as high-performance electrodes for supercapacitors

Zhang

Chen

et al. 2023

Carbon

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Revealing the influence of conversion-type Co3O4 dimensionality on cyclic and rate performance for lithium storage

Chen

Zhang

Líu

et al. 2023

Journal of Colloid and Interface Science

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Simplified fast synthesis of strong-coupling composite supercapacitor materials by one-step bipolar pulse electrodeposition

Abstract: Combining two distinct materials to create high-performance electrode materials is a viable solution, but the process is inefficient, taking at least two processes and requiring tens of hours. Here, a...

Cited by 7 publications

References 80 publications

One‐Step Cooperative Growth of High Reaction Kinetics Composite Homogeneous Core–Shell Heterostructure

One‐Step Cooperative Growth of High Reaction Kinetics Composite Homogeneous Core–Shell Heterostructure

Construction of hairbrush-like (Ni3S2/NiSe-3:1)/carboxymethylcellulose derived carbon heterostructure as high-performance electrodes for supercapacitors

Revealing the influence of conversion-type Co3O4 dimensionality on cyclic and rate performance for lithium storage

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