Related references
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Review
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(2023)
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Summary: In this review, the progress of lignin-derived materials for supercapacitor applications is summarized. The concept, classification strategy, and basic chemistry of lignin are briefly introduced. The up-to-date developments of the synthesis strategies of carbon electrodes from lignin for supercapacitors are reviewed in detail. Finally, the work is summarized and the major challenges of lignin-based supercapacitors are discussed.
JOURNAL OF MATERIALS CHEMISTRY A
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Summary: A facile solvothermal approach was used to synthesize various nanostructures of spinel NiCo2O4 as electrode materials for supercapacitors. Among them, NiCo2O4 nanoflowers (NC-2) showed the highest specific capacitance and excellent cycling stability. The superior performance of NiCo2O4 nanoflowers was attributed to their larger surface area, higher number of active sites, and lower charge transfer resistance.
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Yi Zhong et al.
Summary: A Mo-doping BiVO4/ultrathin-CoAl-LDH (Mo:BVO/CoAl-LDH-u) photoanode with self-healing property is designed by using atomic layer CoAl-LDH as cocatalyst to modify Mo:BVO through dipping coating. The Mo:BVO/CoAl-LDH-u photoanode exhibits excellent surface charge separation efficiency and photocurrent density of 5.8 mA/cm2 without scavengers. CoAl-LDH-u enhances surface charge transfer efficiency and promotes the oxygen evolution reaction rate in Mo:BiVO4, while the self-healing property of Mo:BVO/CoAl-LDH-u allows for natural restoration of photoelectrochemical performance. This work provides a facile approach for fabricating high-efficiency BiVO4 photoelectrodes for PEC water splitting.
CHEMICAL ENGINEERING JOURNAL
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Fawzi Hadji et al.
Summary: A series of LaCo1-xZnxO3 perovskite-type oxides (0 <= x <= 0.1) were successfully synthesized via the sol-gel process. The zinc doping significantly improved the electrochemical properties of LaCoO3, with LaCo0.95Zn0.05O3 demonstrating a four-fold increase in specific capacitance compared to the undoped electrode. A hybrid supercapacitor combining LaCo0.95Zn0.05O3 with activated carbon achieved a high energy density of 36.12 Wh.kg-1 and a capacitance retention of 81% after 5000 charge-discharge cycles at 5 A/g.
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CHEMICAL ENGINEERING JOURNAL
(2023)
Review
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Iftikhar Hussain et al.
Summary: The advancement of structured nanomaterials is crucial for the development of supercapacitor electrode materials. By evaluating various nanostructures, current challenges in electrode materials have been significantly improved. Nanomaterials with three-dimensional structures have been extensively explored due to their larger electrochemical active surface areas. This review summarizes the material development of hierarchical structures resembling earth-like and marine life-like morphology for supercapacitor electrode materials and discusses future ideas on sustainable production and assembly methods.
CHEMICAL ENGINEERING JOURNAL
(2023)
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Amit Kumar Vats et al.
Summary: In this study, LaCoO3 and reduced graphene oxide (rGO) nanocomposite were synthesized using a solvothermal approach. The synthesized materials were characterized in terms of their structural phase, phase purity, surface oxidation states, morphology, and electrochemical properties. The results indicate that the oxygen vacancy and nanocomposite enhance the electrical conductivity and ion/electron transfer, leading to improved electrochemical performance.
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Shasha Zheng et al.
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NATIONAL SCIENCE REVIEW
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Summary: In this study, hierarchical multi-heteroatoms co-doped porous carbon materials were successfully prepared by carbonization and activation of tea waste. The obtained MHPC exhibits excellent supercapacitance and capacitance retention, making it a valuable guideline for the development of high-performance energy storage devices.
JOURNAL OF ENERGY STORAGE
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Huayu Liu et al.
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ADVANCED FUNCTIONAL MATERIALS
(2022)
Review
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Bolin Li et al.
Summary: This paper proposes a new approach to the design of flexible all-solid-state supercapacitors using advanced 3D printing technology and provides theoretical guidance for their practical applications through the analysis of 3D nanosheets active materials and design methods.
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Rajesh Kumar et al.
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Article
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Meilian Cao et al.
Summary: In this study, lignin-based multi-scale cellular aerogels were successfully constructed. The aerogels exhibited excellent hydrophobicity and high adsorptive capacity, and could be carbonized to nitrogen-doped carbon aerogels. The nitrogen-doped carbon aerogels, with their multi-channel structures, showed a high energy density in supercapacitors.
CHEMICAL ENGINEERING JOURNAL
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Abdul Ghani Olabi et al.
Summary: Supercapacitors are a relatively new generation of electrochemical energy storage devices with higher energy and power densities compared to electrostatic capacitors and rechargeable batteries. They can be used as a potential alternative to widely commercialized rechargeable batteries, especially lithium-ion batteries, for future electrical energy storage needs. This brief overview presents the evolution and current/future applications of supercapacitor technology.
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Xucong Sun et al.
Summary: In this study, LaMnO3@CC-PPy materials were prepared by two-step electrodeposition, and NiCo2O4@CC cathodes were prepared for the assembly of asymmetric supercapacitor devices. The obtained materials showed excellent performance in specific capacitance, rate performance, and cycle stability, which can be attributed to the existence of internal and external double electric channels and abundant internal space.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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Shuyun Yao et al.
Summary: We report the engineering of delocalized d-electrons spin states of the Mn site in MnO2 through simple Ni doping (Ni-MnO2), which greatly enhances the Na+ storage performance. Ni-MnO2 exhibits a high capacity and excellent rate capability, outperforming MnO2. The theoretical simulations suggest that the delocalized d-electrons spin states of the Mn site lower the Na+ transfer energy barrier and improve electronic conductivity. The accelerated electron/ion transfer kinetics of Ni-MnO2 are further demonstrated using a Ni-MnO2-based asymmetric supercapacitor.
Review
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Nazir Ahmad Mala et al.
Summary: Recent research has focused on using porous nano metal oxides to store electrochemical energy, particularly the efficiency of metallic nanostructures doped in nickel oxide (NiO). The doped NiO shows better thermal stability, good chemical stability, cost-effective materials, superior theoretical morals of specific capacitance, natural richness, and environmental friendliness. Various metals-doped NiO and their composite oxides demonstrate good structural strength, reversible capacity, and extensive cycle lifetime.
JOURNAL OF NANOPARTICLE RESEARCH
(2022)
Review
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Anit Joseph et al.
Summary: There has been a search for new supercapacitor materials with superior storage qualities in response to the needs of the electrochemical energy storage sector. Recent research has focused on the application of different electrode materials in supercapacitors. Metal oxynitrides, with their high cyclability, strong intrinsic conductivity, and corrosion resistance, are considered potential candidates for electrochemical energy storage.
PROGRESS IN SOLID STATE CHEMISTRY
(2022)
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Zeyu Hao et al.
Summary: A two-step method was used to synthesize CSD-LaNiO3/NiO with a large specific surface area, which exhibited superior electrochemical performance. It showed higher specific capacitance compared to LaNiO3 and NiO, making it a promising material for supercapacitor applications.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Review
Chemistry, Physical
Simon Sayah et al.
Summary: Increasing the energy density of energy storage devices is a key target for battery and supercapacitor research. This article focuses on the electrochemical stability window (ESW), which determines the effective energy density of the devices. The concentration of the electrolyte affects the ESW by altering the HOMO/LUMO levels and modifying the physicochemical properties of the electrolyte. The article discusses the mechanisms behind the extension of the ESW and the improved rate capabilities and stability in batteries and supercapacitors achieved through high salt concentrations.
Article
Energy & Fuels
Wenxin Guo et al.
Summary: This study successfully synthesized NiCo2O4-CoO hollow nanocubes with satisfactory conductivity and electrochemical reversibility as potential electrode materials for supercapacitors by manipulating oxygen vacancies and phosphate ions. The materials exhibited superior specific capacitance, decent charge/discharge behavior, and favorable lifespan.
JOURNAL OF ENERGY STORAGE
(2022)
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Huan Liu et al.
Summary: The design of a Ti3C2Tx MXene layer on V2O5 nanoplates surface in VPMX materials can suppress vanadium dissolution, improve host electrochemical kinetics, and facilitate interfacial Zn 2+ diffusion with the help of lubricated water molecules, leading to enhanced rate capability for AZIBs.
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Ziqiang Wu et al.
Summary: Porous vanadium nitride is grown on carbon cloth using a dip-coating and nitridation method. The resulting VN/CC electrode with effective 3D structure allows for high mass loading and high specific capacitance, making it a promising material for practical energy storage.
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Zongliang Yu et al.
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Shivraj Mahadik et al.
Summary: This review presents the recent advances in the application of transition metal nitrides in supercapacitors. Different synthesis methods and electronic structure engineering strategies are discussed to improve the electrochemical performance. The challenges, future direction, and perspectives are also addressed.
JOURNAL OF MATERIALS CHEMISTRY A
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Quanli Hu et al.
Summary: Lanthanum-based LaMO3 (M = Fe, Co, Ni) perovskite nanofibers were successfully fabricated through electrospinning technique and investigated for their crystallinity, microstructures, elemental compositions, and electrochemical properties. The LaMO3 perovskite nanofibers showed promising potential as supercapacitor electrodes and lithium-ion battery anodes.
JOURNAL OF ALLOYS AND COMPOUNDS
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Bin Cao et al.
Summary: The use of Ti3C2Tx MXene nanosheets as a conductor in all-integrated graphite nanoflake/MXene electrodes greatly enhances potassium storage performance, exhibiting impressive cyclability and high energy/power densities. This design also provides new insights into phase transition mechanisms and demonstrates the potential for efficient potassium storage anodes.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
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Huan Liu et al.
Summary: Mesoporous carbon with ultrathin framework (MCUF) was designed as an anode material for stable and high-power potassium storage performance, showing excellent potassium storage characteristics. The novel non-flammable potassium-ion capacitors assembled with MCUF exhibited outstanding cyclability, rate performance, and energy/power densities.
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