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Strengths,weaknesses,opportunities,and threats(SWOT)analysis of supercapacitors:A review

Journal of Energy Chemistry 2023年第4期79卷 611-638页

作者： pragati a.shinde Qaisar Abbas Nilesh R.Chodankar Katsuhiko Ariga Mohammad Ali Abdelkareem Abdul Ghani Olabi Sustainable Energy&Power Systems Research Centre RISEUniversity of SharjahP.O.Box 27272SharjahUnited Arab Emirates International Center for Materials Nanoarchitectonics(WPI-MANA) National Institute for Materials Science(NIMS)1-1 NamikiTsukuba 305-0044Japan Department of Energy and Material Engineering Dongguk University-SeoulSeoul 04620Republic of Korea Graduate School of Frontier Sciences The University of Tokyo5-1-5 KashiwanohaKashiwaChiba 277-8561Japan Mechanical Engineering and Design School of Engineering and Applied ScienceAston UniversityAston TriangleBirmingham B47ETUK School of Computing Engineering and Physical SciencesUniversity of The West of ScotlandGlasgowPA12BEUK

The development of clean and sustainable energy sources has received widespread interest in the past few decades due to the rolling energy demands while extenuating the rising tiers of greenhouse gases and environmental pollution.Due to their intermittent nature,these green and sustainable sources require appropriate energy storage systems.Amongst different energy storage technologies,electrochemical energy storage devices,particularly supercapacitors(SCs),have fascinated global attention for their utilization in electric vehicles,power supports,portable electronics,and many others application requiring electric energy devices for their operation.Thus,the growth of SCs in the commercial market has squeezed requirements,and further developments are obligatory for their effective industrialization.In the meantime,SCs also face technical complications and contests for their introduction in industrial settings because of their low energy density and high Levelized cost.The present study combines core strengths,weaknesses,opportunities,and threats(SWOT)analysis of SCs with new perspectives and recent ideas.The challenges and the future progressive prospects of SCs are also presented in detail.This review will afford consistent direction and new superhighways for the further development of SCs as standalone and complementary energy storage systems.

关键词： Supercapacitors Energy storage Strengths Opportunities

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High energy superstable hybrid capacitor with a self-regulated Zn/electrolyte interface and 3D graphene-like carbon cathode

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InfoMat 2022年第10期4卷 62-77页

作者： Nilesh R.Chodankar Swati J.Patil Sangjin Lee Jaeho Lee Seung-Kyu Hwang pragati a.shinde Indrajit V.Bagal Smita V.Karekar Ganji Seeta Rama Raju Kugalur Shanmugam Ranjith Deepak P.Dubal Yun-Suk Huh Young-Kyu Han Department of Energy and Material Engineering Dongguk University-SeoulSeoulRepublic of Korea Department of Biological Engineering NanoBio High-Tech Materials Research CenterInha UniversityIncheonRepublic of Korea Department of Biological Sciences and Bioengineering Inha UniversityIncheonRepublic of Korea Research Institute of Sciences and Engineering University of SharjahSharjahUnited Arab Emirates Department of Physics Chonnam National UniversityGwangjuRepublic of Korea School of Chemistry and Physics Centre for Materials ScienceQueensland University of Technology(QUT)BrisbaneQueenslandAustralia

Rechargeable aqueous zinc ion hybrid capacitors(ZIHCs),as an up-and-comer aqueous electrochemical energy storage system,endure in their infancy because of the substandard reversibility of Zn anodes,structural deterioration of cathode materials,and narrow electrochemical stability window.Herein,a scalable approach is described that addresses Zn-anode/electrolyte interface and cathode materials associated deficiencies and boosts the electrochemical properties of ZIHCs.The Zn-anode/electrolyte interface is self-regulated by alteration of the traditional Zn2+electrolyte with Na-based supporting salt without surrendering the cost,safety,and green features of the Zn-based system which further validates the excellent reversibility over 1100 h with suppressed hydrogen evolution.The deficits of cathode materials were overcome by using a high-mass loaded,oxygen-rich,3D,multiscaled graphene-like carbon(3D MGC)cathode.Due to the multiscaled texture,high electronic conductivity,and oxygen-rich functional groups of 3D MGC,reversible redox capacitance was obtained with a traditional adsorption/desorption mechanism.Prototype ZIHCs containing the modified electrolyte and an oxygen-rich 3D MGC cathode resulted in battery-like specific energy(203 Wh kg1 at 1.6 A g^(-1))and supercapacitor-type power capability(4.9 kW kg1 at 8 A g^(-1))with outstanding cycling durability(96.75%retention over 30000 cycles at 10 A g^(-1)).These findings pave the way toward the utilization of highly efficient ZIHCs for practical applications.

关键词： electrolyte additive graphene-like carbon interface multivalent ion capacitor zinc

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Comparative Electrocatalytic Oxygen Evolution Reaction Studies of Spinel NiFe_(2)O_(4) and Its Nanocarbon Hybrids

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Transactions of Tianjin University 2022年第1期28卷 80-88页

作者： Pratik V.shinde Rutuparna Samal Chandra Sekhar Rout Centre for Nano and Material Sciences Jain UniversityBengaluruKarnataka 562112India

Electrocatalytic oxygen evolution reaction(OER)is one of the crucial reactions for converting renewable electricity into chemical fuel in the form of hydrogen.To date,there is still a challenge in designing ideal cost-effective OER catalysts with excellent activity and robust durability.The hybridization of transition metal oxides and carbonaceous materials is one of the most effective and promising strategies to develop high-performance electrocatalysts.Herein,this work synthesized hybrids of NiFe_2 O_4 spinel materials with two-dimensional(2D)graphene oxide and one-dimensional(1 D)carbon nanotubes using a facile solvothermal approach.Electrocatalytic activities of NiFe_(2)O_(4) with 2 D graphene oxide toward OER were realized to be superior even to the 1 D carbon nanotube-based electro catalyst in terms of overpotential to reach a current density of10 mA/cm^(2) as well as Tafel slopes.The NiFe_(2)O_(4) with 2 D graphene oxide hybrid exhibits good stability with an overpotential of 327 mV at a current density of 10 mA/cm^(2) and a Tafel slope of 103 mV/dec.The high performance of NiFe_(2)O_(4) with 2 D graphene oxide is mainly attributed to its unique morphology,more exposed active sites,and a porous structure with a high surface area.Thus,an approach of hybridizing a metal oxide with a carbonaceous material offers an attractive platform for developing an efficient electrocatalyst for water electrochemistry applications.

关键词： Oxygen evolution reaction Metal oxide Graphene oxide Carbon nanotubes Stability

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Supramolecular Polymer Intertwined Free-Standing Bifunctional Membrane Catalysts for All-Temperature Flexible Zn-Air Batteries

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Nano-Micro Letters 2022年第11期14卷 341-360页

作者： Nayantara K.Wagh Sambhaji S.shinde Chi Ho Lee Sung-Hae Kim Dong-Hyung Kim Han-Don Um Sang Uck Lee Jung-Ho Lee Department of Materials Science and Chemical Engineering Hanyang UniversityAnsanRepublic of Korea Department of Applied Chemistry Center for Bionano Intelligence Education and ResearchHanyang UniversityAnsanRepublic of Korea Department of Chemical Engineering Kangwon National UniversityChuncheonGangwon 24341Republic of Korea

Rational construction of flexible free-standing electrocatalysts featuring long-lasting durability,high efficiency,and wide temperature tolerance under harsh practical operations are fundamentally significant for commercial zinc-air batteries.Here,3D flexible free-standing bifunctional membrane electrocatalysts composed of covalently cross-linked supramolecular polymer networks with nitrogen-deficient carbon nitride nanotubes are fabricated(referred to as PEMAC@NDCN)by a facile self-templated approach.PEMAC@NDCN demonstrates the lowest reversible oxygen bifunctional activity of 0.61 V with exceptional long-lasting durability,which outperforms those of commercial Pt/C and RuO_(2).Theoretical calculations and control experi-ments reveal the boosted electron transfer,electrolyte mass/ion transports,and abundant active surface site preferences.Moreover,the constructed alkaline Zn-air battery with PEMAC@NDCN air-cathode reveals superb power density,capacity,and discharge-charge cycling stability(over 2160 cycles)compared to the reference Pt/C+RuO_(2).Solid-state Zn-air batteries enable a high power density of 211 mW cm^(−2),energy density of 1056 Wh kg^(−1),stable charge-discharge cycling of 2580 cycles for 50 mA cm^(−2),and wide temperature tolerance from−40 to 70℃with retention of 86%capacity compared to room-temperature counterparts,illustrating prospects over harsh operations.

关键词： Flexible free-standing membrane electrocatalysts Supramolecular polymer Alkaline and flexible solid-state Zn-air batteries All-temperature operations High capacity and energy density

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Photocatalytic degradation of RhB and TNT and photocatalytic water splitting with CZTS microparticles

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Journal of Semiconductors 2015年第7期36卷 29-33页

作者： S.S.shinde Hanyang University

Cu2ZnSnS4 （CZTS） is a main candidate material for solar energy conversion through both photovoltaics and photocatalysis based on environmentally friendly elements and with a direct band gap of 1.5 eV. We report the synthesis of quasi CUEZnSnS4 microparticles with unprecedented narrow size distributions. The structural, morphological and core level analysis has been carried out by XRD, SEM and XPS techniques. These microparticles have shown excellent photocatalytic activity toward degradation ofRhodamine B dye （RhB） and TNT under visible light. The extent of mineralization has been analyzed by COD and TOC values. Photocatalytic water splitting for HE generation has also been reported.

关键词： Rhodamine B TNT CZTS photocatalysis H2 production

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Pb（NO3）2 Mediated Synthesis of Pyrazine

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Chinese Journal of Chemistry 2007年第1期25卷 105-107页

作者： KOTHARKAR, Sandeep Anilrao shinde, Devanand Baburao Department of Chemical Technology Dr Babasaheb Ambedkar Marathwada University Aurangabad (M.S.)-431004 India

Lead nitrate was used as an efficient catalyst in the oxidation and condensation reaction of hydroxy ketone with diamine leading to the formation of pyrazine derivatives in excellent yields.

关键词： Pb（NO3）2 pyrazine aromatization

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Impact of La^(3+)substitution on electrical,magnetic,dielectric and optical properties of Ni_(0.7)Cu_(0.1)Zn_(0.2)LaxFe_(2-x)O_(4)(0

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Journal of Rare Earths 2023年第5期41卷 740-746,I0004页

作者： B.B.Patil A.D.Pawar S.S.Barate J.S.Ghodake J.B.Thorat T.J.shinde P.G.Department of Physics Smt.KRP Kanya MahavidyalayaIslampurMS415409India Department of Physics Shivaji UniversityKolhapurMS416004India Departments of Physics PDVP MahavidyalayaMahavidyalayaTasgaonMS416312India Department of Physics Sadguru Gadage Maharaj CollegeKaradMS415110

The oxalate co-precipitation method was used to synthesize the La3+substituted Ni-Cu-Zn(La-NCZ)nanoferrites having chemical composition Ni_(0.7)Cu_(0.1)Zn_(0.2)LaxFe_(2-x)O_(4)(x=0.015,0.025 and 0.035).DC resistivity study of nanoferrites shows both the conducting and semiconducting behaviour.The room temperature DC electrical resistivity of Ni-Cu-Zn(NCZ)nanoferrites decreases,whereas Curie temperature increases with increasing La^(3+)content.In the temperature range of 30-170℃nanoferrites show p-type semiconducting behavior except x=0.015;thereafter,they show n-type behaviour.The frequency dispersive initial permeability(μi)associated with its real and imaginary(μ’andμ")parts are attributed to the domain wall movement and magnetic spin resonant.Theμi,u’andμ"of La-NCZ nanoferrites are higher than those of pure NCZ nanoferrite.Dielectric constant(ε’),dielectric loss(ε")and AC resistivity(ρAC)of La-NCZ nanoferrites show normal dielectric behaviour.It is found thatε’of NCZ nanoferrites decreases with the increasing content of La3+ions.The bandgap energy of La-NCZ nanoferrites is achieved in the range 1.36-1.70 eV confirming the semiconducting nature of materials.

关键词： Ni-Cu-La-Zn nanoferrites DC electrical Resistivity Permeability Dielectric properties Bandgap energy Rare earths

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Influence of rare-earth ions on structural and magnetic properties of CdFe_2O_4 ferrites

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Rare Metals 2010年第2期29卷 168-173页

作者： Ashok Gadkari Tukaram shinde Pramod Vasambekar Department of Physics GKG CollegeKolhapur 416012 India Department of Physics KRP Kanya Mahavidylaya Islampur 415409 India Department of Electronics Shivaji University Kolhapur 416004 India

Nano-sized powders of rare-earth ions added CdFe2O4 ferrites were synthesized by oxalate co-precipitation method.The influence of R ions（R = Sm3＋, Y3＋, and La3＋） on the microstructure and magnetic properties of CdFe2O4 ferrites was studied.XRD, SEM, FTIR, and magnetic hysteresis loops were used for analyzing the samples.The addition of R ions alters the structure of the powders and decreases the crystalline size, lattice constant, and grain size.The magnetic properties such as saturation magnetization, remanent magnetization, and magnetic moment increased due to addition of rare-earth ions in CdFe2O4 ferrite.The formation of secondary phase on the grain boundaries supports the abnormal growth.FTIR spectra show two absorption bands.Results suggest that the magnetic properties depend on the particular method of preparation and additives.

关键词： nanoparticle rare-earth ions magnetization grain size hysteresis

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Oriented colloidal-crystal thin films of polystyrene spheres via spin coating

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Journal of Semiconductors 2015年第2期36卷 10-17页

作者： S.S.shinde S.Park Korea Research Institute of Standards and Science

We developed a simple and inexpensive synthesis of a large-scale close-packed monolayer of polystyrene sphere arrays, which have a variety of applications. The influence of three step spin speeds, spinning time, solution quantity and relative humidity is studied in order to achieve a large area close-packed monolayer. A relatively high surface coverage and uniform monolayer of PS spheres in the range of 85%-90% are achieved by appropriate control of the preparative parameters. Also the effect of the oxygen plasma etching process on the reduction of PS spheres has been studied. We conclude that it can be useful in industrial applications, because of the fabrication speed, surface coverage, control over PS spheres and cost of the process.

关键词： monolayer PS spheres oxygen plasma

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Combustion synthesis of Ce^(3+), Eu^(3+) and Dy^(3+) activated NaCaPO_4 phosphors

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Journal of Rare Earths 2011年第6期29卷 527-535页

作者： K N shinde S J Dhoble Animesh Kumar Department of Physics RTM Nagpur University National Environmental Engineering Research Institute

The preparation of NaCaPO4 doped with rare earth （RE） ions Ce3＋, Eu3＋ and Dy3＋ by combustion method was described. Under UV excitation （251 nm） of NaCaPO4：Ce3＋ showsd emission （367 nm） in UV range. When NaCaPO4：Dy3＋ phosphor was excited at 349 nm, the emission spectrum showed intense bands at 482 nm （blue） and 576 nm （yellow）. In Eu activated NaCaPO4 phosphor, the emission spectrum showed a dominant peak at 594 nm （orange） while others were at 614 and 621 nm （red） when excited at 393 nm. The prepared phosphor was characterized by X-ray diffraction （XRD）, scanning electron microscope （SEM） and photoluminescence （PL） measurement. Thus, the photoluminescence behavior of NaCaPO4：Ce3＋ was strongly suggested for scintillator. Likewise, Eu3＋ and Dy3＋ activated NaCaPO4 phosphors were recommended for near-UV white light-emitting diodes （LEDs）.

关键词： combustion synthesis photoluminescence phosphor scintillator solid state lighting rare earths

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