4.5 Article

Layer-by-Layer Heterostructure of MnO2@Reduced Graphene Oxide Composites as High-Performance Electrodes for Supercapacitors

Related references

Note: Only part of the references are listed.
Article Chemistry, Physical

CoAl2O4 nanoparticles modified carbon nanofibers as high-efficiency bifunctional electrocatalyst: An efficient electrochemical aqueous asymmetric supercapacitors and non-enzymatic electrochemical sensors

Sathishkumar Chinnapaiyan et al.

Summary: In this study, the electrochemical performance of bimetallic oxide CoAl2O4 was improved by decorating it on carbon nanofibers (CNFs) as battery-type electrodes. The CoAl2O4/CNFs nanocomposites exhibited high charge storage capacity, long-term stability, and were used to develop an enzyme-free electrochemical sensor for the detection of luteolin (LUT).

JOURNAL OF ALLOYS AND COMPOUNDS (2023)

Article Materials Science, Multidisciplinary

Flexible micro-supercapacitors fabricated from MnO2 nanosheet/graphene composites with black phosphorus additive

Baocheng Liu et al.

Summary: In this study, graphene/MnO2 composites were prepared by growing MnO2 nanosheets on the surface of graphene using a water bath method, and the addition of black phosphorus was found to significantly improve the capacitive performance of the material. The fabricated micro-supercapacitor demonstrated high specific capacitance and was integrated with a flexible thin-film pressure sensor for practical applications.

PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL (2022)

Article Energy & Fuels

Green Strategy for the Synthesis of K plus Pre-inserted MnO2/rGO andIts Electrochemical Conversion to Na-MnO2/rGO for High-Performance Supercapacitors

Amol S. Vedpathak et al.

Summary: A green strategy using aloe vera leaf extract was adopted to synthesize K+ion pre-inserted MnO2 and its hybrid with reduced graphene oxide, leading to improved supercapacitive performance through Na+ ion intercalation.

ENERGY & FUELS (2022)

Article Chemistry, Multidisciplinary

Wood-Derived High-Mass-Loading MnO2 Composite Carbon Electrode Enabling High Energy Density and High-Rate Supercapacitor

Lian Chen et al.

Summary: This study reports the high-mass-loading of manganese oxide (MnO2) electrode with wood-derived carbon (WC) as the current collector for high-energy-density devices. The WC@MnO2-20 electrode showed remarkable high-rate performance and high capacitance retention. The obtained symmetric supercapacitor exhibited high areal/specific capacitance and high energy densities, with good cyclic stability. This research provides a feasible strategy for the design of high-energy-density supercapacitors.

SMALL (2022)

Article Materials Science, Multidisciplinary

Reduced graphene oxide coated manganese dioxide electrode prepared by polyvinylpyrrolidone assisted electrodeposition

Yihan Shi et al.

Summary: A MnO2@rGO composite electrode is prepared using PVP-assisted electrodeposition, and it exhibits excellent performance in supercapacitors and lithium-ion batteries. The addition of PVP improves the electrochemical properties of the MnO2 electrode, and the coating of reduced graphene oxide further enhances the capacitive performance of the composite electrode.

VACUUM (2022)

Review Engineering, Environmental

0D to 3D carbon-based networks combined with pseudocapacitive electrode material for high energy density supercapacitor: A review

Sachin Kumar et al.

Summary: Supercapacitors are reliable energy storage devices, but face limitations such as low capacitance and energy density. Carbon based nanocomposites have been extensively studied for their excellent properties. Developing high energy density supercapacitor devices remains a challenge despite advancements in research.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Materials Science, Multidisciplinary

Building up nanostructured layer-by-layer films combining reduced graphene oxide-manganese dioxide nanocomposite in supercapacitor electrodes

Danilo A. Oliveira et al.

Summary: The fabrication of layer-by-layer films containing manganese dioxide nanostructures embedded into reduced graphene oxide sheets and arranged with poly(allylamine-hydrochloride) has led to high performance supercapacitors. These films exhibit high areal capacitance, capacitive retention performance, and charge-discharge time, showing promise for further exploration in energy storage nanostructured systems.

THIN SOLID FILMS (2021)

Article Chemistry, Physical

Nitrogen, sulfur co-doped hierarchical carbon encapsulated in graphene with sphere-in-layer interconnection for high-performance supercapacitor

Lihua Cao et al.

Summary: The nitrogen, sulfur co-doped pollen-derived carbon/graphene (PCG) composite with interconnected sphere-in-layer structure exhibited excellent electrochemical performance, including high specific capacitance and energy density for supercapacitor applications.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

Article Polymer Science

Synthetic melanin facilitates MnO supercapacitors with high specific capacitance and wide operation potential window

Wancai Guo et al.

Summary: In this study, high-performance MnO hybrid carbon nanoparticles were successfully synthesized using a direct one-pot polymerization method, displaying high specific capacitance values in 6 M KOH electrolyte. This work will contribute to the fabrication of the next-generation high-performance synthetic melanin-based energy storage materials and devices.

POLYMER (2021)

Review Nanoscience & Nanotechnology

Recent Developments of Transition Metal Compounds-Carbon Hybrid Electrodes for High Energy/Power Supercapacitors

Kang Ren et al.

Summary: The development of transition metal compounds-carbon hybrid electrodes for high energy/power supercapacitors is reviewed, with a focus on the conductive carbon skeleton, interface engineering, and electronic structure. Future perspectives and challenges in this area are also highlighted for further research and development.

NANO-MICRO LETTERS (2021)

Article Electrochemistry

Biomimetic design of Ni Co LDH composites linked by carbon nanotubes with plant conduction tissues characteristic for hybrid supercapacitors

Mohan Huang et al.

Summary: In this study, a unique hierarchical structure of Ni Co layered double hydroxide linked by carbon nanotubes was designed and synthesized for the first time, inspired by the bionic concept of plant conduction tissue, to improve the application of metal-organic frameworks in supercapacitors. The composite material showed high specific capacitance, enhanced rate capability, competitive energy density, and remarkable cyclic stability, indicating the potential for optimizing electrochemical performance.

ELECTROCHIMICA ACTA (2021)

Article Chemistry, Multidisciplinary

The effects of Fe-doping on MnO2: phase transitions, defect structures and its influence on electrical properties

E. Hastuti et al.

Summary: Mn1-xFexO2 was synthesized by a hydrothermal method and its properties were analyzed. Doping Fe into MnO2 significantly affected its crystal structure and electrical properties, including phase transformation and changes in conductivity.

RSC ADVANCES (2021)

Article Chemistry, Analytical

One-step hydrothermal synthesis of MnO2/graphene composite for electrochemical energy storage

Qian Zhang et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2019)

Article Chemistry, Physical

Compounding δ-MnO2 with modified graphene nanosheets for highly stable asymmetric supercapacitors

Xiaoshuang Wang et al.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2019)

Review Chemistry, Multidisciplinary

Metal oxide-based supercapacitors: progress and prospectives

Cuihua An et al.

NANOSCALE ADVANCES (2019)

Article Nanoscience & Nanotechnology

Realizing an Asymmetric Supercapacitor Employing Carbon Nanotubes Anchored to Mn3O4 Cathode and Fe3O4 Anode

Ankit Kumar et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

Article Chemistry, Physical

Redox electrode materials for supercapatteries

Linpo Yu et al.

JOURNAL OF POWER SOURCES (2016)

Review Chemistry, Physical

Graphene in Supercapacitor Applications

Wen Yang et al.

CURRENT OPINION IN COLLOID & INTERFACE SCIENCE (2015)

Article Materials Science, Multidisciplinary

Microwave-assisted rapid synthesis of birnessite-type MnO2 nanoparticles for high performance supercapacitor applications

Xiong Zhang et al.

MATERIALS RESEARCH BULLETIN (2015)

Review Chemistry, Physical

Binary metal oxide: advanced energy storage materials in supercapacitors

Yufei Zhang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2015)

Article Chemistry, Multidisciplinary

Ultrahigh Energy Density Realized by a Single-Layer β-Co(OH)2 All-Solid-State Asymmetric Supercapacitor

Shan Gao et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2014)

Article Chemistry, Physical

MnO2-modified hierarchical graphene fiber electrochemical supercapacitor

Qing Chen et al.

JOURNAL OF POWER SOURCES (2014)

Article Chemistry, Multidisciplinary

Polyaniline and Polypyrrole Pseudocapacitor Electrodes with Excellent Cycling Stability

Tianyu Liu et al.

NANO LETTERS (2014)

Article Multidisciplinary Sciences

Holey graphene frameworks for highly efficient capacitive energy storage

Yuxi Xu et al.

NATURE COMMUNICATIONS (2014)

Article Materials Science, Multidisciplinary

Carbon nanomaterials for high-performance supercapacitors

Tao Chen et al.

MATERIALS TODAY (2013)

Review Chemistry, Physical

Conducting-polymer-based supercapacitor devices and electrodes

Graeme A. Snook et al.

JOURNAL OF POWER SOURCES (2011)

Article Nanoscience & Nanotechnology

Nanoporous metal/oxide hybrid electrodes for electrochemical supercapacitors

Xingyou Lang et al.

NATURE NANOTECHNOLOGY (2011)

Article Chemistry, Multidisciplinary

Hierarchical nickel sulfide hollow spheres for high performance supercapacitors

Ting Zhu et al.

RSC ADVANCES (2011)

Review Chemistry, Multidisciplinary

Honeycomb Carbon: A Review of Graphene

Matthew J. Allen et al.

CHEMICAL REVIEWS (2010)

Article Chemistry, Multidisciplinary

Room-Temperature Synthesis of Manganese Oxide Monosheets

Kazuya Kai et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2008)

Editorial Material Multidisciplinary Sciences

Materials science - Electrochemical capacitors for energy management

John R. Miller et al.

SCIENCE (2008)

Article Chemistry, Physical

Charge storage mechanism of MnO2 electrode used in aqueous electrochemical capacitor

M Toupin et al.

CHEMISTRY OF MATERIALS (2004)