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Ni/Co bimetallic organic frameworks nanospheres for high-performance electrochemical energy storage Download PDF. Jianru Guan 1, Minlu Liu 1, Limin Liu, M., Zhu, L. et al. Ni/Co bimetallic organic frameworks nanospheres for high-performance electrochemical energy storage. Nano Res. 17, 5122–5130 (2024). https://doi
Transition-metal oxides (TMOs) are promising materials with good electrochemical energy storage performance due to their excellent oxidation–reduction activity. When composited with TMOs, the c-MOFs
As the world develops with an accelerated pace towards sustainable directions, demand is surging for high-performance energy storage devices. Supercapacitor (SC) as an essential electrochemical energy storage (EES) device has been widely researched due to the advantages of keeping a rational energy density in a
Mo 3 Nb 14 O 44 is exploited as a new Li + container for the anodes of high-performance LIBs. Pure micro-sized Mo 3 Nb 14 O
Natural wood has been physically or chemically modified to create new hierarchical structures for vast applications. We report herein the facile methods to synthesize porous flexible conductive wood for high-performance energy storage. Our delignification and densification increase micro–mesopores for higher surface area but
As shown in Fig. 1, the objective of the present study is to explore bimetallic oxides derived from MOFs, which are grown on carbon cloth surface, for their performance as electrodes in supercapacitors, where general concerns are the improvement in energy density, life time and overall behaviour in energy storage.We
It indicates that the hybrid battery with enhanced energy density and power density shows a better energy storage performance than other batteries. Fig. 9 b shows an open circuit voltage of 1.769 V for a pouch-type NiSe//Zn-KFC battery with an effective area of 1 × 2 cm 2. It can drive a small fan rated at 3 W.
It is crucial for next-generation energy storage devices to develop high performance electrode materials. For the real commercial application of supercapacitors, high mass loading, and high performance are expected at the same time. Herein, NiCo 2 O 4 is directly grown on nickel foam (NiCo 2 O 4 /NF) via simple drying and annealing
With the increased and rapid development of artificial intelligence-based algorithms coupled with the non-stop creation of material databases, artificial intelligence (AI) has played a great role in the development of high
Electrochemical energy storage (EES) devices combining high energy density with high power density are necessary for addressing the growing energy demand and environmental crisis. Nickel oxide (NiO) is a promising electrode material for EES owing to the ultrahigh theoretical specific capacity, but the practical values are far below the
Introduction. Transition metal sulfides containing S 2− /S 2 2− dimers have attracted tremendous attention for electrochemical energy storage systems (EESs) because of their unique properties of high energy density, good conductivity, excellent stability, and vital catalyst functionalization feature [1, 2] addition, the massive
In this study, various nanostructures of Mn-doped Co 3 O 4 were synthesized on Ni foam using binder-free electrochemical technology for electrochemical energy storage applications. Using the cyclic voltammetry method with different scan rates, diverse nanostructures, i.e., irregularly oriented nanooctahedra, interconnected standing
High specific surface area, reasonable pore structure and heteroatom doping are beneficial to enhance charge storage, which all depend on the selection of precursors, activators and reasonable preparation methods. Here, B, O and N codoped biomass-derived hierarchical porous carbon was synthesized by using KCl/ZnCl2 as a
The best one of the as-assembled devices based on the as-prepared Mn 3 [Co(CN) 6] 2 ·nH 2 O nanocrystals shows high electrochemical performance activity, which offers the highest volumetric energy density of 4.69 mW h cm −3 at 1.0 mA cm −2 and exhibits the largest power density of 177.1 mW cm −3 at 20.0 mA cm −2. Remarkably, the device
Interplanetary missions require rechargeable batteries which possess unique performance characteristics: they should have a high specific energy, wide operating temperatures (e.g., −233 °C to
MnO/rGO with enhanced electrochemical kinetic properties is widely investigated as electrode for high-performance electrochemical energy storage (EES) devices. However, the synthesis of MnO/rGO via traditional methods suffers from low atomic utilization and complex techniques that are undesirable for practical implementation.
Among the various alternative energy storage technologies, electrochemical energy storage has the edge for its high efficiency, portability versatility and flexibility. Typical energy storage conversion and storage devices include photo-electrochemical water splitting, fuel and solar cells, Li-ion batteries [1], [2] and
In addition, metal oxides usually display only small surface areas, which has largely restricted their use as electrode materials for electrochemical energy storage [31, 32]. Consequently, finding a cost-effective method to increase the specific surface areas of metal oxides is crucial for achieving high pseudocapacitive activity.
1. Introduction. The development of portable and flexible electronics urgently requires high-performance energy storage devices with flexible, lightweight, and mechanically robust characteristics [1], [2] percapacitors (SCs), as a promising class of energy storage systems, have attached great interest due to their high power delivery
In addition, metal oxides usually display only small surface areas, which has largely restricted their use as electrode materials for electrochemical energy storage [31,32]. Consequently, finding a cost-effective method to increase the specific surface areas of metal oxides is crucial for achieving high pseudocapacitive activity.
The development of novel electrochemical energy storage (EES) technologies to enhance the performance of EES devices in terms of energy capacity, power capability and cycling life is urgently
Furthermore, an assembled asymmetric supercapacitor device achieves a high specific energy density of 46.9 W h kg −1 at a specific power density of 425.3 W kg −1 with excellent cycling performance. The as-prepared materials will be competitive and promising candidates for electrochemical energy storage and other applications.
Gao, X. et al. Maximizing ion accessibility in MXene-knotted carbon nanotube composite electrodes for high-rate electrochemical energy storage. Nat. Commun. 11, 6160 (2020).
Finding a common (nano)thread: The principles of electrospinning and key points relevant to its usage in the preparation of high-performance electrochemical energy storage materials are reviewed (see figure). Electrospinning, as a novel nontextile filament technology, is an important method to prepare continuous nanofibers.
Binder-free hierarchical porous N-doped graphene directly anchored on carbon fiber cloth was fabricated by simple two-step process. • As-obtained N-doped graphene electrode had high specific capacitance of 451 F g − 1 at 1 A g − 1 and excellent rate performance.. The device achieved specific energy of 21.8 Wh kg −1 at the specific
Herein, this study aimed to develop a novel N, P co-doped porous biochar for high-performance CO 2 capture and electrochemical energy storage. Fig. 1 shows the two-step pyrolysis to prepare N, P co-doped porous biochar from cornstalks: (a) the pyrolysis of cornstalks and melamine under N 2 atmosphere to obtain N-doped biochar;
Metal organic framework (MOF) is a new type of porous crystal material [1].Recently, owing to its high specific surface area and porosity, diversity of metal centers and ligands, and structure, MOF has been extensively studied in energy storage, catalysis, gas adsorption and separation, and chemical sensors [[2], [3], [4]].More importantly, in
Novel hierarchical CoFe 2 Se 4 @CoFe 2 O 4 and CoFe 2 S 4 @CoFe 2 O 4 core-shell nanoboxes electrode for high-performance electrochemical energy storage. Author links open overlay panel Kun Song a b, Xiaoshuang Chen b, Rui Yang a b, Bin Zhang a, Xin Wang a b, Peili Liu c, Jun Wang a c. electrochemical energy storage
The nanosphere structure of NiCo-BP (∼ 400 nm) allows for full exposure and utilisation of the active sites, especially the Ni, Co, and phenanthroline units, and exhibit impressively high specific capacity and cycling stability.
The increasing demand for large-scale electrochemical energy storage, such as lithium ion batteries (LIBs) for electric vehicles and smart grids, requires the development of advanced electrode materials. Ti–Nb–O compounds as some of the most promising intercalation-type anode materials have attracted a lot o Journal of Materials Chemistry A
Rational design of NiCo 2 S 4-based nanostructures supercapacitor electrodes was considered as an important route for increasing specific capacitance in the field of electrochemical energy storage.Here we reported that a novel reduced NiCo 2 S 4 @CuCo 2 S 4 (R–NiCo 2 S 4 @CuCo 2 S 4) core-shell heterostructure with sulfur
1. Introduction. The worldwide environmental issues surrounding CO 2 emissions and the rising demand for energy have triggered rapid development in reliable and high-performance electrical energy storage technologies. As portable and rechargeable electronic devices, supercapacitors offer numerous advantages including
Abstract Supercapacitors are favorable energy storage devices in the field of emerging energy technologies with high power density, excellent cycle stability and environmental benignity. The performance of supercapacitors is definitively influenced by the electrode materials. Nickel sulfides have attracted extensive interest in recent years
Electrochemical energy storage (EES) devices combining high energy density with high power density are necessary for addressing the growing energy
The efficacy and versatility of this concept is demonstrated by the substantially enhanced capacities, improved rate capabilities, and longer life stabilities of
The increasing demand for mobile power supplies in electrical vehicles and portable electronics has motivated intense research efforts in developing high-performance electrochemical energy
With the deliberate design of entropy, we achieve an optimal overall energy storage performance in Bi 4 Ti 3 O 12 -based medium-entropy films, featuring a
1. Introduction. The unending demand for energy storage and degradation in the global environment calls for the development of new-fangled clean energies along with the advancement of highly efficient materials for their utilization for energy storage applications [1] percapacitors are classified mainly in two ways
Fabrication of electrochemical energy storage device. Two energy storage devices were fabricated using the ZIF-67-derived NC as the cathode, and ZIF-67-derived HCON and HCSN as the anode, respectively. The measurement was performed in 3 M KOH electrolyte with a glass fiber filter paper sandwiched between the two electrodes.
The results show that this low-cost synthesis method is widely used in electrochemical energy storage to improve the structure and performance of carbon materials. In order to evaluate the electrochemical performance of the electrode in detail, the electrochemical behavior of the electrode was first determined by CV, GCD and EIS
Recently, the fabrication of high-performance graphene films as electrode materials become a research tendency for flexible energy-storage devices. Here, we successfully prepare iodine-doped reduced graphene oxide (I-rGO) films with excellent capacitive performance by a simple and versatile technique of iodine steam doping.
The demand for high performance electrochemical energy storage devices has significantly increased in recent years and many efforts have been made to develop advanced electrode materials. S-codoping, forms a strong interface between the graphene and soluble polysulphides, giving it a high electrochemical performance
Facile hydrothermal synthesis of mesoporous nickel oxide/reduced graphene oxide composites for high performance electrochemical supercapacitor. Electrochim. In-situ activation endows the integrated Fe 3 C/Fe@nitrogen-doped carbon hybrids with enhanced pseudocapacitance for electrochemical energy storage. Chem.
Its comprehensively excellent electrochemical energy storage (EES) performances in both lithium/sodium-ion batteries and lithium-ion capacitors can further
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