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| 1 | A review of carbon dots and their composite materials for electrochemical energy technologies显示文摘Carbon dots(CDs)and their composites as energy storage materials and electrocatalysts have emerged as new types of quasi-zero-dimensional carbon materials.CDs can provide a large specific surface area,numerous electron-electron hole pairs,adjustable heteroatom doping,rich surface functional groups,and so on.However,the roles and functional mechanisms of CDs and their composite materials in the enhancement of electrochemical performance remain unclear and need to be understood in depth.Based on the most recent literature,this paper comprehensively reviews the synthesis methods and applications of various categories of CDs and their composites as electrode materials of supercapacitors,lithium-ion batteries,sodium-ion batteries,and potassium-ion batteries,and as electrocatalysts for hydrogen evolution,oxygen evolution,and oxygen reduction reactions in metal-air batteries,fuel cells,and water electrolysis.To facilitate further research and development,several important aspects related to CDs and their composite materials are summarized with analysis of the technical challenges in practical applications and discussion of the possible development perspectives. | Yiming Liu Swagata Roy Samrat Sarkar Jiaqiang Xu Yufeng Zhao Jiujun Zhang | 2021 | Carbon Energy2021，3，5： | 1 |
| 2 | Recent advances in semimetallic pnictogen (As, Sb, Bi) based anodes for sodium-ion batteries: Structural design, charge storage mechanisms, key challenges and perspectives显示文摘In the recent times sodium ion batteries(SIBs)have come to the forefront as an economic and resourceful alternative to lithium-ion batteries(LIBs)for powering portable electronic devices and large-scale grid storage.As the specific capacity,energy density and long cycle life of batteries depend upon the performance of anode materials;their quest is the ultimate need of the hour.Among the anode materials,the semimetallic pnictogens(As,Sb,Bi)and their compounds offer high gravimetric/volumetric capacities,but suffer from undesired volume expansion and inferior electrical conductivity.Herein,this paper reviews the recent progress in semimetallic pnictogens as alloying anodes and their compounds mainly as conversion-alloying anodes.Various debatable sodiation mechanisms(intercalation or alloying)have been presented with emphasis on in situ/ex situ advanced characterization methods well supported by theoretical modeling and calculations.The reviewed electrochemical reaction mechanisms,coherent structural designs and engineering provide a vital understanding of the electrochemical processes of Na^(+) ion storage.The existing challenges and perspectives are also presented,and several research directions are proposed from the aspects of special morphological design,employing conductive substrates,electrolyte additives and reducing particle size for technical and commercial success of SIBs. | Samrat Sarkar Swagata Roy Yufeng Zhao Jiujun Zhang | 2021 | Nano Research2021，14，11： | 1 |
| 3 | Electrocardiographic changes in dengue fever显示文摘Dengue fever(DF)is one of the most commonly prevalent viral diseases in the world,primarily affecting tropical countries.It is transmitted by the bite of female Aedes(Ae.)aegypti mainly and Ae.albopictus mosquito infected with the virus.Dengue virus is a flavivirus,arbovirus.There are four strains of dengue virus(DENV1,DENV2,DENV3,DENV4).The clinical spectrum of the disease ranges from mild to severe forms with complications. | Rupak Chatterjee Dolonchampa Modak Kumkum Sarkar Shambo Samrat Samajdar Netai Pramanik Shatavisa Mukherjee Bibhuti Saha | 2023 | Asian Pacific Journal of Tropical Medicine2023，16，5： | 0 |
| 4 | A novel Mo_(8.7)Nb_(6.1)O_x@NCs egg-nest composite structure as superior anode material for lithium-ion storage显示文摘Anode materials of lithium-ion batteries(LIBs)endowed with high-rate performance and fast charging capability are crucial for future energy storage systems.Here,Mo_(8.7)Nb_(6.1)O_(x)@NCs(nitrogen-doped carbon nanotubes,NCs)egg-nest structure synthesized by an in-situ solvothermal method is reported.The Mo_(8.7)Nb_(6.1)O_(x)@NCs egg-nest exhibits high embedding potential,high pseudocapacitance contribution rate(87.5%),and low charge transfer resistance.The electrochemical results show that Mo_(8.7)Nb_(6.1)O_(x)@NCs demonstrates excellent rate performance(reversible capacity of 196.8 mAh·Ag^(-1)at 10 A·Ag^(-1),and full charging only takes 1.1 min)and excellent cycle stability(reversible capacity of 513 mAh·Ag^(-1)at 0.5 A·Ag^(-1)combined with a capacity loss of only 5.4%after 100 cycles),outperforming the state-of-the-art literature.The full cell is assembled with Mo_(8.7)Nb_(6.1)O_(x)@NCs as the anode and LiFeP04 as the cathode,which can provide a remarkably high energy density of 731.9 Wh·kg^(-1),indicating its excellent prospect for practical applications. | Shu-Ling Cheng Xiu-Ping Yin Samrat Sarkar Zhen-Wei Wang Qiu-An Huang Jiu-Jun Zhang Yu-Feng Zhao | 2022 | Rare Metals2022，41，8： | 0 |
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