Lithium-ion capacitors(LICs),consisting of a capacitor-type material and a battery-type material together with organic electrolytes,are the state-of-the-art electrochemical energy storage devices compared with superca...Lithium-ion capacitors(LICs),consisting of a capacitor-type material and a battery-type material together with organic electrolytes,are the state-of-the-art electrochemical energy storage devices compared with supercapacitors and batteries.Owing to their unique characteristics,LICs received a lot of attentions,and great progresses have been achieved,especially in the exploration of cathode and anode materials.Prelithiation techniques are regarded as indispensable procedures for LICs systems,which can compensate for the initial irreversible capacity loss,increase the Li^(+)concentration in the electrolyte,raise the working voltage and resolve the safety and cycle stability issues;however,its research progress is slow,and there is not enough attention until now.In this overview,we look into the ongoing processes on the recent development of prelithiation technologies,especially in organic electrolyte consumption-type LICs.In particular,some prelithiation strategies for LICs are summarized and discussed in detail,including the ex situ electrochemical method,in situ electrochemical method,and cathode prelithiation additives method.Moreover,we propose some unresolved challenges and prospects for prelithiation technologies from the basic research ideas and future key research directions.This work aims to bring up new insights to reassess the significance of premetallation strategies for advanced hybrid-ion capacitors based on the currently proposed prelithiation strategies.展开更多
Transition metal chalcogenides(TMCs)and TMCs-based nanocomposites have attracted extensive attention due to their versatile material species,low cost,and rich physical and chemical characteristics.As anode materials o...Transition metal chalcogenides(TMCs)and TMCs-based nanocomposites have attracted extensive attention due to their versatile material species,low cost,and rich physical and chemical characteristics.As anode materials of lithium-ion capacitors(LICs),TMCs have exhibited high theoretical capacities and pseudocapacitance storage mechanism.However,there are many intrinsic challenges,such as low electrical conductivity,repeatedly high-volume changes and sluggish ionic diffusion kinetics.Hence,many traditional and unconventional techniques have been reported to solve these critical problems,and many innovative strategies are also used to prepare high quality anode materials for LICs.In this mini review,a detailed family member list and comparison of TMCs in the field of lithium-ion capacitors have been summarized firstly.Then,many rectification stratagems and recent researches of TMCs have been exhibited and discussed.In the end,as an outcome of these discussions,some further challenges and perspectives are envisioned to promote the application of TMCs materials for lithium-ion c apacitors.展开更多
目的探讨并比较PEN了RA MS 60血细胞分析仪、XS800i血细胞分析仪及手工分类对LIC(巨大未成熟细胞)分析的差异性,为制订PENTRAMS60血细胞分析仪复检标准提供依据。方法对PEN了RA MS 60血细胞分析仪检测到有LIC阳性报警的85例新鲜全血样...目的探讨并比较PEN了RA MS 60血细胞分析仪、XS800i血细胞分析仪及手工分类对LIC(巨大未成熟细胞)分析的差异性,为制订PENTRAMS60血细胞分析仪复检标准提供依据。方法对PEN了RA MS 60血细胞分析仪检测到有LIC阳性报警的85例新鲜全血样本和无LIC报警的阴性样本真19例分别制作血涂片,经瑞氏染色后进行显微镜阅片,同时把204例新鲜全血样本用于XS800i血细胞分析仪检测,对三种方法检测的LIC结果进行统计学分析。结果1.MS60与XS800i测定结果相比,出现LIC报警阳性的总符合率为87.3%,其差异无统计学意义(P>0.05);2.MS60、XS800i分別与手工分类相比,总符合率分别为78.4%、73.5%,差异均有统计学意义(P<0.05),敏感度分别为93.6%、91.5%,特异度分别为73.9%、68.9%,假阳性率分別为20.1%、24.5%,假阴性率分别为1,5%、2.0%;3.提高MS 60的LIC报警阈值,即LIC>6%和/或LIC#>0.5x10^9/L时,与手工分类相比,总符合率为92.6%,差异无统计学意义(P>0.05),敏感度为91.5%,特异度为93%,假阳性率为5.4%,假阴性率为2%。结论 MS60血细胞分析仪提示LIC测定结果可信性高,LIC≤6%和/或LIC#≤0.5x10^9/L时可不必手工分类复检。展开更多
基金financially supported by the National Natural Science Foundation of China(Nos.U1802256,21975283,21773118 and 21875107)the Key Research and Development Program in Jiangsu Province(No.BE2018122)+1 种基金the general research Project of Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization(No.2022KF03)the Fundamental Research Funds for the Central Universities(No.2022QN1088)。
文摘Lithium-ion capacitors(LICs),consisting of a capacitor-type material and a battery-type material together with organic electrolytes,are the state-of-the-art electrochemical energy storage devices compared with supercapacitors and batteries.Owing to their unique characteristics,LICs received a lot of attentions,and great progresses have been achieved,especially in the exploration of cathode and anode materials.Prelithiation techniques are regarded as indispensable procedures for LICs systems,which can compensate for the initial irreversible capacity loss,increase the Li^(+)concentration in the electrolyte,raise the working voltage and resolve the safety and cycle stability issues;however,its research progress is slow,and there is not enough attention until now.In this overview,we look into the ongoing processes on the recent development of prelithiation technologies,especially in organic electrolyte consumption-type LICs.In particular,some prelithiation strategies for LICs are summarized and discussed in detail,including the ex situ electrochemical method,in situ electrochemical method,and cathode prelithiation additives method.Moreover,we propose some unresolved challenges and prospects for prelithiation technologies from the basic research ideas and future key research directions.This work aims to bring up new insights to reassess the significance of premetallation strategies for advanced hybrid-ion capacitors based on the currently proposed prelithiation strategies.
基金financially supported by the National Natural Science Foundation of China(No.51907193)the Key Research Program of Frontier Sciences,CAS(No.ZDBS-LYJSC047)+1 种基金the Youth Innovation Promotion Association CAS(No.2020145)Dalian National Laboratory for Clean Energy Cooperation Fund,the CAS(No.DNL201915)。
文摘Transition metal chalcogenides(TMCs)and TMCs-based nanocomposites have attracted extensive attention due to their versatile material species,low cost,and rich physical and chemical characteristics.As anode materials of lithium-ion capacitors(LICs),TMCs have exhibited high theoretical capacities and pseudocapacitance storage mechanism.However,there are many intrinsic challenges,such as low electrical conductivity,repeatedly high-volume changes and sluggish ionic diffusion kinetics.Hence,many traditional and unconventional techniques have been reported to solve these critical problems,and many innovative strategies are also used to prepare high quality anode materials for LICs.In this mini review,a detailed family member list and comparison of TMCs in the field of lithium-ion capacitors have been summarized firstly.Then,many rectification stratagems and recent researches of TMCs have been exhibited and discussed.In the end,as an outcome of these discussions,some further challenges and perspectives are envisioned to promote the application of TMCs materials for lithium-ion c apacitors.
文摘目的探讨并比较PEN了RA MS 60血细胞分析仪、XS800i血细胞分析仪及手工分类对LIC(巨大未成熟细胞)分析的差异性,为制订PENTRAMS60血细胞分析仪复检标准提供依据。方法对PEN了RA MS 60血细胞分析仪检测到有LIC阳性报警的85例新鲜全血样本和无LIC报警的阴性样本真19例分别制作血涂片,经瑞氏染色后进行显微镜阅片,同时把204例新鲜全血样本用于XS800i血细胞分析仪检测,对三种方法检测的LIC结果进行统计学分析。结果1.MS60与XS800i测定结果相比,出现LIC报警阳性的总符合率为87.3%,其差异无统计学意义(P>0.05);2.MS60、XS800i分別与手工分类相比,总符合率分别为78.4%、73.5%,差异均有统计学意义(P<0.05),敏感度分别为93.6%、91.5%,特异度分别为73.9%、68.9%,假阳性率分別为20.1%、24.5%,假阴性率分别为1,5%、2.0%;3.提高MS 60的LIC报警阈值,即LIC>6%和/或LIC#>0.5x10^9/L时,与手工分类相比,总符合率为92.6%,差异无统计学意义(P>0.05),敏感度为91.5%,特异度为93%,假阳性率为5.4%,假阴性率为2%。结论 MS60血细胞分析仪提示LIC测定结果可信性高,LIC≤6%和/或LIC#≤0.5x10^9/L时可不必手工分类复检。
