A structured CoWO4 synthesized by microwave-assisted hydrothermal process as electrode for hybrid supercapacitor

Article Engineering, Environmental

Microwave-assisted in-situ isomorphism via introduction of Mn into CoCo2O4 for battery-supercapacitor hybrid electrode material

Yin Sun et al.

Summary: Introducing Mn cations through microwave-assisted isomorphism doping into porous CoCo2O4 nanowires enhances electrochemical storage capacity and widens the operating voltage window, while effectively suppressing water-splitting.

CHEMICAL ENGINEERING JOURNAL (2022)

Add to Collection

Article Materials Science, Ceramics

Enhanced sunlight-driven photocatalytic, supercapacitor and antibacterial applications based on graphene oxide and magnetite-graphene oxide nanocomposites

Ahmad Umar et al.

Summary: This study reports enhanced sunlight-driven photocatalytic, supercapacitor, and antibacterial applications based on graphene oxide (GO) and magnetite-graphene oxide (Fe3O4-GO) nanocomposites. The synthesized nanocomposites demonstrated efficient degradation of methylene blue dye, high specific capacitance for supercapacitor applications, and antibacterial activities against both Gram-positive and Gram-negative bacterial strains.

CERAMICS INTERNATIONAL (2022)

Add to Collection

Article Chemistry, Physical

New nickel-rich ternary carbonate hydroxide two-dimensional porous sheets for high-performance aqueous asymmetric supercapattery

Lei Mao et al.

Summary: Transition metal carbonate hydroxides are promising candidates for electrode materials in supercapattery. Tailoring the chemical compositions and nanostructures can lead to high-performance electrode materials that meet the demand for electrical energy storage devices.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

Add to Collection

Article Chemistry, Physical

Zeolitic imidazolate framework-L-assisted synthesis of inorganic and organic anion-intercalated hetero-trimetallic layered double hydroxide sheets as advanced electrode materials for aqueous asymmetric super-capacitor battery

Yang Li et al.

Summary: Fine-tuning the interlayer space and composition of layered double hydroxide (LDH) is a promising strategy for obtaining high-performance electrode materials for supercapacitor batteries. This study synthesized two-dimensional porous hetero-trimetallic Zinc-Nickel-Cobalt LDH sheets with different Zn/Ni ratios, and further tuned the interlayer space to achieve high specific capacity and energy density.

JOURNAL OF POWER SOURCES (2022)

Add to Collection

Article Materials Science, Multidisciplinary

Electrospun Co3O4 nanofibers as potential material for enhanced supercapacitors and chemo-sensor applications

Ahmad Umar et al.

Summary: This paper reports the preparation of highly dense and defined Co3O4 nanofibers via electrospinning and controlled oxidation methods. The fabricated Co3O4 nanofibers were characterized and found to possess well-defined fibrous morphology and crystalline cubic phase. These nanofibers were used as electro-active electrodes in supercapacitors and chemical sensing, and exhibited excellent cycle stability, high specific capacitance, and reasonable sensitivity.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2022)

Add to Collection

Article Chemistry, Analytical

Poly(1-Napthylamine) Nanoparticles as Potential Scaffold for Supercapacitor and Photocatalytic Applications

Ahmad Umar et al.

Summary: In this study, the supercapacitor and photocatalytic applications of poly(1-naphthylamine) (PNA) nanoparticles were explored. The PNA nanoparticles were synthesized and characterized, revealing their crystalline structure and excellent stability. The prepared PNA nanoparticles exhibited promising supercapacitor properties and efficient photocatalytic degradation of dyes.

MICROMACHINES (2022)

Add to Collection

Article Engineering, Manufacturing

MXene@nitrogen-doped carbon films for supercapacitor and piezoresistive sensing applications

Anli Chen et al.

Summary: A simple strategy is proposed to fabricate MXene@nitrogen-doped carbon (MC) composite film with porous networks. Nitrogen doping improves the electrochemical performance of MC, while the porous network increases ion transport rate and strain sensitivity. The assembled device and sensor based on MC exhibit high energy density and sensitivity.

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING (2022)

Add to Collection

Article Chemistry, Inorganic & Nuclear

Two-dimensional porous CeO2@Co3O4 sheet-like heterostructures for high-performance aqueous hybrid supercapacitors

Guiyuan Yang et al.

Summary: In this study, 2D porous CeO2@Co3O4 sheet-like heterostructures assembled by 3D nanoflake array were synthesized using a simple hydrothermal method. These composite sheets exhibited unique structures, high surface area, and superior electrochemical performance in supercapacitors.

DALTON TRANSACTIONS (2022)

Add to Collection

Article Electrochemistry

Perforated Co3O4 nanosheets as high-performing supercapacitor material

Ahmad Umar et al.

Summary: The study prepared perforated cobalt oxide nanosheets using hydrothermal synthesis method, which showed excellent performance as electrode materials for supercapacitors. The nanosheets exhibited high specific capacitance, chemical stability, and industrial potential, making them promising for energy storage applications.

ELECTROCHIMICA ACTA (2021)

Add to Collection

Review Engineering, Environmental