Furthermore, a two-electrode device assembled by Ni–Co–P/PO x /C and reduced graphene oxide shows a peak energy density of 37.59 Wh kg –1 at a power density of 800 W kg –1 and a stable capacitive performance. These results indicate that the obtained bimetallic Ni–Co–P/C is a promising anode material for capacitive energy storage ...
The performance of nickel oxide based pseudo-capacitor electrode materials is determined by the redox reaction of NiO or Ni(OH) 2 in alkaline electrolytes, and can be generalized as eq n (14) and (15).
As depicted in Scheme 1, NiCo-LDH nanowires are directly grown on the carbon fibers through a hydrothermal method bsequently, the NiCoNW/CC electrode is put into the NTP treatment device with N 2 gas input …
Of the two major capacitances contributing to electrochemical storage devices, pseudo-capacitance, which results from the reversible faradaic reactions, can be much higher than the electric double layer capacitance. Transition metal compounds are emerging electrode materials for pseudo-capacitors due to thei
Abstract The low energy density of traditional supercapacitors has strongly restricted their applications. The utilization of novel capacitor electrodes to enhance the energy densities of supercapacitors is thus of great significance. Herein, a binder-free Ni 12 P 5 /Ni/TiC nanocomposite film is synthesized and further employed as the capacitor electrode.
Nature Communications - Nickel hydroxide is a promising material for capacitor electrodes and most research has focussed on the crystalline form. Here, the …
Novel Mo-doped nickel sulfide thin sheets decorated with Ni–Co layered double hydroxide sheets as an advanced electrode for aqueous asymmetric super-capacitor battery Author links open overlay panel Mangmang Shi, Mingshu Zhao, Lidong Jiao, Zhou Su, Min Li, Xiaoping Song
Optimally tailored granular nickel sulfide electrodes, with specific size and phase composition, can significantly enhance supercapacitor performance. Gou et al. [44] …
The fabrication of the capacitor electrode Mn 3 O 4 /NiCo-LDH@MWCNT/Ni foam was illustrated in Scheme 1.The electrodeposition of CS/NiCo-LDH coated MWCNT on Ni foam was carried out in a weak acidic electrolyte at − 2.0 V vs. SCE with Ni foam as the working electrode (Fig. S1).).
The sponge-like NiMoS 4 nanosheets were in-situ induced/grown on self-supported Ni foam, which can be directly applied as supercapacitor electrode without tedious preparation process and charge transfer limited binders. The obtained NiMoS 4 /Ni foam electrode can exhibit the high specific capacity of 233 mA h/g at 0.75 A/g, owing to …
For the purpose of exploration to the crystallographic structure of prepared electrode materials, the XRD patterns of NiV LDHs powder scraped from NF, P-NF and NiV LDHs@P-NF were acquired and the results presented in Fig. 1 can be seen in Fig. 1 a that there is no other diffraction peaks appear in NiV LDHs-NF except for the characteristic …
The CV measurements were done using electrochemical workstation from CH Instruments, Inc. (Model No: CHI1030C A20796). The specific capacitance of the electrode for varying EPD time is shown in Fig. S5, whereas Fig. S6 shows the optimization for annealing time. In addition, the optimized EPD time is found to be 1 h and annealing …
Simultaneously, the supercapacitor electrode utilizes a high specific surface area carbon material as both the anode and cathode. This enables efficient …
ChemElectroChem is an international, open access electrochemistry journal for fundamental and applied research in one of the fastest growing fields worldwide. Ni 3 Se 4 Nanostructure for Hybrid …
The uniform and continuous nickel internal electrode is crucial in high capacity and highly reliable multi-layer ceramic capacitors (MLCCs). However, the mechanism and the key factors that affect the roughness of the electrode have not been investigated thoroughly. Thus, seeking suitable descriptors that describe the most …
Supercapacitors have stimulated a great scientific interest due to their importance for energy storage. Electrode materials, as the key part of supercapacitors, …
Supercapacitors are advantageous replacements for batteries and capacitors. The supercapacitor is generally comprised of two electrodes, an electrolyte and a porous separator for the passage of ions as shown in …
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