简介:为提高金属铝作为锂离子电池负极材料的循环稳定性,以真空热蒸发镀膜法这一可控程度较高的物理方法在三维结构碳基底上制备三维铝碳复合微纳米结构。SEM和EDX对材料的表征结果表明,通过对基底材料的合理选择、蒸镀方法的合理调控,可在三维碳基底上获得厚度适当的微纳米级别金属铝活性材料。对其进行的电化学测试表明,在三维碳基底上包覆金属铝所得到的负极材料在获得较好的容量提升的同时也具有良好的循环稳定性。
简介:Ecologicalswitchgearconceptforsecondarydistribution,Effectofdynamicforcecompensationinalowvoltagevacuumcircuitbreaker,Futuretrendsindevelopmentoflow-voltagevacuumswitchgear,Influenceofgradingcapacitorsonthebreakingperformanceofa24-kVvacuumbreakerseriesdesign,Investigationofdielectricbreakdownprobabilitydistributionfordouble-breakvacuumcircuitbreaker,MeasurementofSurgePropagationinInductionMachines。
简介:AhybridrepetitiveopeningswitchforinductivestoragesystemsandprotectionofDCcircuits,Analysisofelectrodeforvacuuminterrupterswithnonuniformaxialmagneticfield,CalculationofelectricfieldinvacuumcircuitbreakerusingoptimizedandtraditionalCSM,CurrentZeroBehaviorofVactoomhlterruptersWithBipolarandQuadrupolarAMFContacts
简介:Criticalseparationanddielectricrecoveryofphasingvacuumswitcheswhensynchronizedbreakingshort-circuitcurrent,Experimentalanalysisofionparametersduringtheforcedvacuumarcinterruption,Investigationsoncontroltacticsphasingvacuumswitcheswhensynchronizedclosingcapacitorbanks,OverseadistributionautomationsystembasedonJapaneseexperience,Transientcurrentinterruptioncapabilityofvacuumswitchesduringcapacitanceswitching。
简介:摘要 随着光伏发电市场迅猛发展,以降本增效为目标的新技术层出不穷,其中针对终端电站镀膜施工的免钢化终端增效镀膜技术,可以为电站提高约2%的增发电量,并且可以根据膜层失效时间定期施工来维持发电量。随着该技术不断贴近市场,除自清洁性能外近年来正在向功能性方面发展如超疏水性能、防冰防雪和自主降温功能。相信随着存量电站持续增加,该技术将会得到长足的发展。