To prevent and mitigate environmental degradation, high-performance and cost-effective electrochemical flexible energy storage systems need to be urgently developed. This demand has led to an increase in research on electrode materials for high-capacity flexible supercapacitors and secondary batteries, which have greatly aided the development of contemporary digital …
Molecularly-selective metal separations are key to sustainable recycling of Li-ion battery electrodes. However, metals with close reduction potentials present a fundamental challenge for selective ...
A novel NiMoO4@NiMoS4/NF nanocomposite is facilely grown on nickel foam (NF) via hydrothermal reaction and high-temperature calcination methods. The NiMoO4@NiMoS4/NF possesses a specific nanorods@nanosheets core–shell structure, greatly facilitating the transfer of electrons and ions. So, the NiMoO4@NiMoS4/NF shows excellent …
Semantic Scholar extracted view of "High-capacity binderless supercapacitor electrode obtained from sulfidation large interlayer spacing of NiMn-LDH" by Yan Cheng et al. DOI: 10.1016/j.electacta.2022.141039 Corpus ID: 251576068 High-capacity binderless ...
This study may provide a new approach to investigating the surface sulfidation of electrocatalysts, which is valuable for advancing high-energy-density Li−S batteries. 1 Introduction Lithium–sulfur (Li─S) batteries are promising next-generation energy storage technologies owing to their ultrahigh theoretical energy density, cost-effectiveness, and …
Request PDF | Sulfidation of Electrospun Vanadium Oxide Fiber Mats for Lithium-Ion Battery Electrodes | Energy storage plays a fundamental part in fulfilling the necessity of a more efficient ...
This study presents a novel approach to developing high-performance lithium-ion battery electrodes by loading titania-carbon hybrid spherogels with sulfur. The resulting hybrid materials combine high charge …
A NAS battery cell is comprised of a sodium negative electrode and a sulfur positive electrode separated by a solid electrolyte made of beta-alumina, housed within a cylindrical aluminum container ...
3 · Electrode material stability is crucial for the development of next-generation ultralong-lifetime batteries. However, current solid- and liquid-state electrode materials face challenges …
Researches on the battery technology focus on the development of electrode materials with high capacity, long cycle life and good rate capability [6, 7]. Graphite, a commercial anode material for LIB, hinders the development of high-energy-density LIB due to its relatively low specific capacity.
Semantic Scholar extracted view of "A new secondary battery technology: Electrode structure and charge–discharge mechanism of all-solid-state zinc-graphite batteries" by Jun-Ren Zhao et al. ... This study conducts low-vacuum sulfidation to form a sulfidation layer on the serpentinite-derived magnesium iron silicate, thereby enhancing its ...
This Review surveys recent advances in understanding polysulfide chemistry at the positive electrode and the electrolyte and discusses approaches towards long-life and high-loading batteries.
Tin disulfide (SnS2) has emerged as a promising anode material for sodium ion batteries (NIBs) due to its unique layered structure, high theoretical capacity, and low cost. Conventional SnS2 nanomaterials are normally synthesized using hydrothermal method, which is time-consuming and difficult to scale up for mass production. In this study, we develop a …
This review article presents a comprehensive analysis of the sulfurization process applied to the electrode with the aim of providing profound overview of the latest developments, the impact of sulfur incorporation on …
The current lithium-ion battery (LIB) electrode fabrication process relies heavily on the wet coating process, which uses the environmentally harmful and toxic N-methyl-2-pyrrolidone (NMP) solvent.
2.1 Sulfidation Vessel Operation and Converting Pathway The sulfidation vessel is the key step for transforming FeNi into matte. Molten ferro-nickel is typically tapped from an electric furnace at temperatures around 1450–1500 C, which is much hotter than PSC
Different from the traditional roasting process, a novel approach for the selective recovery of lithium from spent LiCoO 2 (SLCO) through low-temperature sulfidation roasting …
A framework for selective sulfidation is proposed for the practical separation and enrichment of numerous metallic elements, to enable environmentally and economically sustainable metal processing.
1 Introduction Owing to their high energy density and long cycling life, rechargeable lithium-ion batteries (LIBs) emerge as the most promising electrochemical energy storage devices beyond conventional lead-acid, nickel-iron, and nickel-metal hydride. [1, 2] Since the commercialization of LIBs in 1991, they have been quickly served as the main energy source for the smartphones, …
Electrospun vanadium sulfide / carbon hybrid fibers obtained via one-step thermal sulfidation for use as lithium-ion battery electrodes February 2020 Journal of Power Sources 450:227674
3.1 Material characterization. As depicted in Fig. 1, the NiCo-LDH@HOS electrode synthesis process was simply divided into three steps rstly, the ZIF-67 precursor was in situ grown on the corrosion-treated nickel wire with Co 2+ as the cobalt source and 2MI as the organic ligand by solution method. Secondly, the H + released from Ni 2+ water interpretation …
This study presents a novel approach to developing high-performance lithium-ion battery electrodes by loading titania-carbon hybrid spherogels with sulfur. The resulting hybrid materials combine high charge storage capacity, electrical conductivity, and core-shell morphology, enabling the development of next-generation battery electrodes. We obtained …
In addition, electrode thickness is correlated with the spreading process and battery rate performance decreases with increasing electrode thickness and discharge rate due to transport limitation and ohmic polarization of the electrolyte [40]. Also, thicker electrodes are difficult to dry and tend to crack or flake during their production [41].
Sulfide solid electrolytes originate from oxide solid electrolytes, and are formed by replacing oxygen ions with sulfur ions. Due to the lower electro-negativity, the bonding strength …
Request PDF | High-capacity binderless supercapacitor electrode obtained from sulfidation large interlayer spacing of NiMn-LDH | Layered double hydroxide (LDH) is a promising pseudocapacitive ...
Benefiting from these synergies, the integrated all-solid-state lithium battery exhibits the largest reversible capacity (667 mAh g −1), best rate performance, and highest capacity retention of 82% over 500 cycles at 0.1 C …
Meanwhile, it also can suppress the volume change to maintain the stability of both electrode and battery; 2) ... After annealing and sulfidation reacting, the FeOOH, as anticipated, was converted to Fe 2 O 3 phase (JCPDS 33-0664) and FeS 2 phase (JCPDS 42 ...
Lithium ion battery (LIB) is one of the promising high-efficiency energy storage devices for electrical vehicles, portable electronic devices and back-up electricity storage units [5]. Researches on the battery technology focus on the development of electrode materials with high capacity, long cycle life and good rate capability [6, 7 ...
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