2022
DOI: 10.1002/er.7932
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Highly stable binary composite of nickel silver sulfide ( NiAg 2 S ) synthesized using the hydrothermal approach for high‐performance supercapattery applications

Abstract: Summary A supercapattery is a device that combines the benefits of supercapacitors' superior power density and cycle stability with the advantages of batteries' higher energy density. We used a simple hydrothermal method to synthesize nickel sulfide (NiS), silver sulfide (Ag2S), and nickel silver sulfide (NiAg2S). The NiS and Ag2S were combined in the best 50/50 weight ratio and found that the specific capacity for NiAg2S is 571.2 C/g which is higher as compared to individual NiS and Ag2S 305.2 C/g and 364 C/g… Show more

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Cited by 63 publications
(22 citation statements)
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“…For supercapattery, the b-values exists between 0.5 and 0.8. 55 As can be observed in Figure 6A, the computed b-values are within the supercapattery range. As a result, both faradic processes, as well as charge adsorption/desorption, are responsible for the charge stored throughout this device.…”
Section: Resultssupporting
confidence: 68%
See 1 more Smart Citation
“…For supercapattery, the b-values exists between 0.5 and 0.8. 55 As can be observed in Figure 6A, the computed b-values are within the supercapattery range. As a result, both faradic processes, as well as charge adsorption/desorption, are responsible for the charge stored throughout this device.…”
Section: Resultssupporting
confidence: 68%
“…The nature of the electrode is supercapacitor, if the b ‐value is 0.8 to 1.0. For supercapattery, the b ‐values exists between 0.5 and 0.8 55 . As can be observed in Figure 6A, the computed b ‐values are within the supercapattery range.…”
Section: Resultssupporting
confidence: 55%
“…Supercapattery has b‐values ranging from 0.5 to 0.8. [ 46 ] As shown in Figure 6a, the calculated b‐values fall inside the supercapattery zone. As an outcome, the charge retained through this device is due to both Faradic reactions and diffusion control processes.…”
Section: Resultsmentioning
confidence: 83%
“…Supercapacitors (SCs) have emerged as an up-and-coming alternative owing to their exceptional qualities, encompassing high power density, extended lifespan, and rapid charging capabilities. [1][2][3][4] These advantageous characteristics make them an attractive choice for various applications in energy storage. Still, supercapacitors' relatively low energy density presents a hurdle to their extensive utilization in areas that simultaneously full high energy and power requirements.…”
Section: Introductionmentioning
confidence: 99%