A laser scanning method was developed to metalize the surface of alumina substrates with copper.The modeling of the heating and cooling rates of the samples during the laser scanning process indicates that the metalli...A laser scanning method was developed to metalize the surface of alumina substrates with copper.The modeling of the heating and cooling rates of the samples during the laser scanning process indicates that the metallization process involves the rapid melting and solidification of Al_(2)O_(3) and Cu and the evaporation and deposition of part of the Cu.The surface of the metalized alumina substrate was composed of copper spheres(~60μm in diameter)embedded into the alumina substrate and a thin layer of CuAlO_(2).展开更多
Hybrid redox flow batteries(RFBs)are a special type of RFBs that involve depositing reactions on negative electrodes.The available volume in negative electrodes for cell stacks limits the totally energy-storing capabi...Hybrid redox flow batteries(RFBs)are a special type of RFBs that involve depositing reactions on negative electrodes.The available volume in negative electrodes for cell stacks limits the totally energy-storing capability of these batteries.This paper introduces the first fully flowable Ce–metal flow battery operated with a semisolid,flowable anolyte.Using the semisolid fuel cell concept,we incorporate the sustainable and deposit-abundant features of non-Li-based batteries into the structure of RFBs to develop a fully flowable RFB system.Solid suspension electrodes of hydrophilic carbon particles deposited by earth-abundant metals with redox activity are investigated as alternatives to the redox-active molecules employed in typical RFBs to decouple the power delivery capability from the energy storage capacity in fully flowable RFBs.While being charged,earth-abundant redox-active metal(Cu,Pb or Zn)is electrodeposited on the carbon particle suspension,which is dissolved in the sequent discharging process.On the basis of the proposed contact-charge-transfer mechanism,the electrical contact to the solid suspension electrode is fed by the redox-inert hydrophobic current collector that restrains direct metal deposition on their surfaces due to the hydrophobicity.展开更多
基金financially supported by the National Natural Science Foundation of China(No.51872033)the fund of the State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals(Nos.SKL-SPM202016 and SKL-SPM-202019)。
文摘A laser scanning method was developed to metalize the surface of alumina substrates with copper.The modeling of the heating and cooling rates of the samples during the laser scanning process indicates that the metallization process involves the rapid melting and solidification of Al_(2)O_(3) and Cu and the evaporation and deposition of part of the Cu.The surface of the metalized alumina substrate was composed of copper spheres(~60μm in diameter)embedded into the alumina substrate and a thin layer of CuAlO_(2).
基金support from the National Natural Science Foundation of China(21801034,51872033,and 51732007)the Natural Science Foundation of Liaoning Province(2020-MZLH-40)+1 种基金the Research Project of the Educational Department of Liaoning Province(jyt-dldxfw202003)the High-level Talent Innovation Support Program of Dalian City(2019RQ076).
文摘Hybrid redox flow batteries(RFBs)are a special type of RFBs that involve depositing reactions on negative electrodes.The available volume in negative electrodes for cell stacks limits the totally energy-storing capability of these batteries.This paper introduces the first fully flowable Ce–metal flow battery operated with a semisolid,flowable anolyte.Using the semisolid fuel cell concept,we incorporate the sustainable and deposit-abundant features of non-Li-based batteries into the structure of RFBs to develop a fully flowable RFB system.Solid suspension electrodes of hydrophilic carbon particles deposited by earth-abundant metals with redox activity are investigated as alternatives to the redox-active molecules employed in typical RFBs to decouple the power delivery capability from the energy storage capacity in fully flowable RFBs.While being charged,earth-abundant redox-active metal(Cu,Pb or Zn)is electrodeposited on the carbon particle suspension,which is dissolved in the sequent discharging process.On the basis of the proposed contact-charge-transfer mechanism,the electrical contact to the solid suspension electrode is fed by the redox-inert hydrophobic current collector that restrains direct metal deposition on their surfaces due to the hydrophobicity.
