4.7 Article

Oxygen-defect-rich 3D porous cobalt-gallium layered double hydroxide for high-performance supercapacitor application

Related references

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

Mn-O Covalency Governs the Intrinsic Activity of Co-Mn Spinel Oxides for Boosted Peroxymonosulfate Activation

Zhi-Yan Guo et al.

Summary: The covalency of TM-O bonds plays a critical role in governing the intrinsic catalytic activity of bimetallic spinel oxides, enhancing electron transfer and favoring interactions with PMS. By balancing PMS adsorption and metal reduction reactions, remarkable catalytic activities for PMS activation and pollutant degradation can be achieved, leading to the development of more active and robust metal oxide catalysts.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Chemistry, Physical

An unexpected phase-transformation of cobalt-vanadium layered double hydroxides toward high energy density hybrid supercapacitor

Su Chan Lee et al.

Summary: This study reported a cobalt-vanadium layered double hydroxide as a high energy density hybrid supercapacitor electrode, exhibiting outstanding charge storage performance and cycle stability. By controlling the molar ratio of cobalt and vanadium, the energy storage performance of the material was further enhanced.

JOURNAL OF POWER SOURCES (2021)

Article Chemistry, Physical

Engineering porous structure in Bi-component-active ZnO quantum dots anchored vanadium nitride boosts reaction kinetics for zinc storage

Youcun Bai et al.

Summary: By employing a self-sacrificial strategy for pore engineering, a bi-component-active ZnO-QDs-VN-0.5 electrode was designed to optimize ion transfer rate and achieve satisfactory electrochemical performance.

NANO ENERGY (2021)

Article Chemistry, Physical

2D gallium molybdenum selenide grown on a hollow carbon nanofibrous aerogel for high-efficiency electroreduction of nitrogen: Optimized basal plane activity via selenium vacancy modulation

Meng Zhang et al.

Summary: A novel compound with modulable Se vacancies was synthesized by incorporating two types of 2D chalcogenides, leading to enhanced catalytic activity for N-2 fixation. Additionally, a porous and conductive hollow carbon nanofibrous aerogel was synthesized for the first time, providing an ideal matrix for the growth of the compound and contributing to improved catalytic performance.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Engineering, Environmental

Oxygen vacancy-rich, binder-free copper pyrovanadate for zinc ion storage

Youcun Bai et al.

Summary: By introducing oxygen vacancies, the electrochemical performance of vanadium oxide compounds was improved, enhancing conductivity and interfacial activity, promoting reaction kinetics, and achieving superior cyclic stability and high specific capacity. Vacancy design proved to be an effective strategy for obtaining electrode materials with excellent comprehensive properties.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Multidisciplinary

Convenient synthesis of one-dimensional a-SEP@LDH via self-assembly towards simultaneously improved fire retardance, mechanical strength and thermal resistance for epoxy resin

Haijun Zhang et al.

Summary: By introducing Sepiolite nanofibers with excellent catalytic and carrier functions, a novel low-cost one-dimensional flame retardant a-SEP@LDH was successfully synthesized, significantly improving the fire resistance and mechanical properties of EP composites while reducing smoke and carbon monoxide production.

COMPOSITES PART B-ENGINEERING (2021)

Article Chemistry, Multidisciplinary

Biowaste-originated heteroatom-doped porous carbonaceous material for electrochemical energy storage application

Raji Atchudan et al.

Summary: A unique heteroatom-doped porous carbonaceous material was successfully synthesized from dwarf banana peel for supercapacitor electrodes, offering high surface area and excellent electrochemical performance, suitable for renewable energy storage applications.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2021)

Article Materials Science, Coatings & Films

Electrochemically exfoliated graphene sheets as electrode material for aqueous symmetric supercapacitors

Thomas Nesakumar Jebakumar Immanuel Edison et al.

Summary: This study demonstrates the prompt anodic electrochemical exfoliation of graphite into graphene sheets and evaluates the electrochemical performance of the synthesized graphene in KOH electrolyte. The symmetric supercapacitor based on the anodically exfoliated graphene shows promising double-layer capacitance and good energy density and power density, indicating its potential applications in energy storage devices.

SURFACE & COATINGS TECHNOLOGY (2021)

Article Chemistry, Physical

Unlocking the Potential of Oxygen-Deficient Copper-Doped Co3O4 Nanocrystals Confined in Carbon as an Advanced Electrode for Flexible Solid-State Supercapacitors

Shude Liu et al.

Summary: Incorporating Cu dopants and O vacancies into Co3O4 nanocrystals confined in a carbon matrix, termed as O-v-Cu-Co3O4@C, helps improve the specific capacity and rate performance of the material. The heterostructured architecture with multifunctional nanogeometries enables high intercomponent synergy, leading to enhanced electrical conductivity and enriched redox chemistry, ultimately resulting in a significantly improved energy density of 64.1 W h kg(-1) at 800 W kg(-1) for asymmetric supercapacitors.

ACS ENERGY LETTERS (2021)

Article Materials Science, Multidisciplinary

Unzipping chemical bonds of non-layered bulk structures to form ultrathin nanocrystals

Liangxu Lin et al.

Summary: This study reports a technique for preparing ultrathin crystals from bulk non-layered structures and characterizes their physical and optical properties. The novel 2D non-layered nanomaterials presented in this work provide significant contributions to the field and lay the foundation for more applications.

MATTER (2021)

Article Materials Science, Multidisciplinary

Oxygen-vacancy-rich cobalt-aluminium hydrotalcite structures served as high-performance supercapacitor cathode

Guorong Wang et al.

Summary: By increasing the proportion of oxygen vacancies in CoAl LDHs through NaBH4 treatment, the electrochemical energy storage performance was improved. The acquired CoAl LDHs-0.5 demonstrated excellent performance at high current densities and was utilized to fabricate an asymmetric supercapacitor with superior energy density compared to other materials.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

Article Chemistry, Multidisciplinary

Designing 3D-MoS2 Sponge as Excellent Cocatalysts in Advanced Oxidation Processes for Pollutant Control

Lingli Zhu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Analytical

Manganese-doped tremella-like nickel oxide as biomimetic sensors toward highly sensitive detection of glucose in human serum

Jiechang Gao et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2020)

Article Electrochemistry

Construction of MnO2@NH4MnF3 core-shell nanorods for asymmetric supercapacitor

Bin Li et al.

ELECTROCHIMICA ACTA (2020)

Article Chemistry, Multidisciplinary

Enhanced Electrocatalytic Activity in GaSe and InSe Nanosheets: The Role of Surface Oxides

Gianluca D'Olimpio et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Engineering, Environmental

Flexible transparent supercapacitor with core-shell Cu@Ni@NiCoS nanofibers network electrode

Bobby Singh Soram et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Article Chemistry, Physical

Revealing ion transport in supercapacitors with Sub-2 nm two-dimensional graphene channels

Zheng Bo et al.

ENERGY STORAGE MATERIALS (2020)

Article Engineering, Environmental

Ni-Al layered double hydroxide with regulated interlayer spacing as electrode for aqueous asymmetric supercapacitor

Heng Zhang et al.

CHEMICAL ENGINEERING JOURNAL (2019)

Article Chemistry, Multidisciplinary

Anion Vacancies Regulating Endows MoSSe with Fast and Stable Potassium Ion Storage

Hanna He et al.

ACS NANO (2019)

Article Chemistry, Physical

Interconnected Co0.85Se nanosheets as cathode materials for asymmetric supercapacitors

Jie Yang et al.

JOURNAL OF POWER SOURCES (2017)

Review Materials Science, Multidisciplinary

Molybdenum diselenide (MoSe2) for energy storage, catalysis, and optoelectronics

Ali Eftelthari

APPLIED MATERIALS TODAY (2017)

Article Chemistry, Multidisciplinary

Ultrathin Spinel-Structured Nanosheets Rich in Oxygen Deficiencies for Enhanced Electrocatalytic Water Oxidation

Jian Bao et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2015)

Review Chemistry, Multidisciplinary

Towards greener and more sustainable batteries for electrical energy storage

D. Larcher et al.

NATURE CHEMISTRY (2015)

Article Chemistry, Physical

Ni-Co sulfide nanowires on nickel foam with ultrahigh capacitance for asymmetric supercapacitors

Yanhong Li et al.

JOURNAL OF MATERIALS CHEMISTRY A (2014)

Review Chemistry, Multidisciplinary

Recent Advances in the Synthesis and Application of Layered Double Hydroxide (LDH) Nanosheets

Qiang Wang et al.

CHEMICAL REVIEWS (2012)