Elektrod Superkapasitor daripada Komposit Karbon Teraktif dan Grafen dengan Perekat PVDF-HFP

Jasni, M. R M; Deraman, Mohamad; Zainuddin, Zalita; Chia, Chin Hua; Omar, Ramli

doi:10.17576/jsm-2019-4802-19

Cited by 2 publications

(3 citation statements)

References 33 publications

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“…Thus, a hybrid supercapacitor known as supercapattery is innovated with a battery-grade and capacitive material are combined in a single device. The capacitive electrode stores charges through ion adsorption at the electrode electrolyte interface [4,5], whereas the battery grade electrode stores charges via faradic redox reactions [6,7] and it boasts high energy density. Supercapattery is anticipated to have the large storage capacity, quick charging/discharging rates, and prolonged cyclic stability for both amalgamating features of supercapacitors and batteries .…”

Section: Introductionmentioning

confidence: 99%

Optimization of Heating Temperature on the Growth of Manganese Sulfide Nanosheets Binder-free Electrode for Supercapattery

Rosli

Omar

Awang

et al. 2023

Preprint

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Supercapattery has emerged as one of the possibilities in the electrochemical energy storage system as a consequence of the expansion of technological advancement and the electrical vehicle sector. Manganese sulphide (MnS) nanoflakes were produced by hydrothermal technique at various heating temperatures (100,110,120, and 130 oC). The existence of MnS is revealed by the X-ray diffraction (XRD) diffractogram, and α- and γ-MnS crystals were effectively grown on a nickel (Ni) foam. MnS nanoflakes were seen under field-emission scanning electron microscope (FESEM). The crystalline structure of MnS nanoflakes is susceptible to the variation depending on the heating temperature, and at 120 oC MnS produced nanoflake with additional wrinkles. Through Brunauer–Emmett–Teller(BET) analysis, the thermal and physical adsorption investigations demonstrated the high total surface area and thermal stability of MnS electrodes. The findings of BET studies demonstrate that MnS-120 has the highest surface BET (SBET) and the smallest pore size distribution (PSD),which later increases the total surface area of MnS nanoflakes for an effective energy storage mechanism. MnS is structurally stable below 200 oC, according to thermogravimetric analysis (TGA). MnS-120 electrode has a maximum specific capacity of 1003.5 C/g at 5 A/g and a 49% rate capability. Supercapattery devices were created in a MnS-120//activated carbon (AC) configuration to assess the real-time performance of the material. The MnS-120//AC demonstrated better efficiency by offering specific energy of 69.24 Wh/kg at 2953 W/kg. The life cycle test confirmed that MnS-120//AC is stable with a capacity retention of value of 96% after 4000 cycles.

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Section: Introductionmentioning

confidence: 99%

Optimization of Heating Temperature on the Growth of Manganese Sulfide Nanosheets Binder-free Electrode for Supercapattery

Rosli

Omar

Awang

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, the practical applications of TMOs are constrained by several factors such as poor electronic conductivity, and unstable cyclic stability [11][12][13]. As consequence, transition metal sul des (TMS) are opted to supress the hindrance of TMOs in this application.…”

Section: Introductionmentioning

confidence: 99%

Optimization of heating temperature on the growth of manganese sulfide nanosheets binder-free electrode for supercapattery

Rosli,

Omar,

Awang

et al. 2023

Ionics

View full text Add to dashboard Cite

Supercapattery has emerged as one of the possibilities in the electrochemical energy storage system as a consequence of the expansion of technological advancement and the electrical vehicle sector. Manganese sulphide (MnS) nano akes were produced by hydrothermal technique at various heating temperatures (100,110,120, and 130 o C). The existence of MnS is revealed by the X-ray diffraction (XRD) diffractogram, and α-and γ-MnS crystals were effectively grown on a nickel (Ni) foam. MnS nano akes were seen under eld-emission scanning electron microscope (FESEM). The crystalline structure of MnS nano akes is susceptible to the variation depending on the heating temperature, and at 120 o C MnS produced nano ake with additional wrinkles. Through Brunauer-Emmett-Teller(BET) analysis, the thermal and physical adsorption investigations demonstrated the high total surface area and thermal stability of MnS electrodes. The ndings of BET studies demonstrate that MnS-120 has the highest surface BET (SBET) and the smallest pore size distribution (PSD),which later increases the total surface area of MnS nano akes for an effective energy storage mechanism. MnS is structurally stable below 200 o C, according to thermogravimetric analysis (TGA). MnS-120 electrode has a maximum speci c capacity of 1003.5 C/g at 5 A/g and a 49% rate capability. Supercapattery devices were created in a MnS-120//activated carbon (AC) con guration to assess the real-time performance of the material. The MnS-120//AC demonstrated better e ciency by offering speci c energy of 69.24 Wh/kg at 2953 W/kg. The life cycle test con rmed that MnS-120//AC is stable with a capacity retention of value of 96% after 4000 cycles.

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Elektrod Superkapasitor daripada Komposit Karbon Teraktif dan Grafen dengan Perekat PVDF-HFP

Cited by 2 publications

References 33 publications

Optimization of Heating Temperature on the Growth of Manganese Sulfide Nanosheets Binder-free Electrode for Supercapattery

Optimization of Heating Temperature on the Growth of Manganese Sulfide Nanosheets Binder-free Electrode for Supercapattery

Optimization of heating temperature on the growth of manganese sulfide nanosheets binder-free electrode for supercapattery

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