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3篇 您的检索式:作者名="Dev Chidambaram"
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1Effect of heat treatment conditions on the passivation behavior of WE43CMg-Y-Nd alloy in chloride containing alkaline environments显示文摘Mg–Y–Nd alloy(WE43C or Elektron 43)is a heat treatable magnesium wrought alloy that can be used up to 250 ℃ for aerospace application.This alloy has excellent mechanical properties(UTS:up to 345 MPa at room temperature)and improved corrosion resistance.Electrochemical passivation studies were conducted on this alloy under different heat treatment conditions in 0.1 M NaOH solution with the addition of chloride from 0 to 1000 ppm.The passive potential range typically extended to more than 1.5 VAg/AgCl.The transpassive potential was not dependent on the heat treatment condition of the alloy when the chloride concentration increased up to 500 ppm.However,pitting protection potential varied with the heat treatment condition when the chloride addition was 500 ppm or more.The specimen surface was analyzed using scanning electron microscopy(SEM),X-ray diffraction(XRD),X-ray photoelectron spectroscopy(XPS),and Raman spectroscopy to understand the passivation behavior of this alloy.The passivated surface of the WE43C specimens indicated that the surface layer consisted of MgO,Mg(OH)_(2),and rare earth oxide phases,and the heat treatment conditions did not significantly affect the composition of the surface film.Jakraphan Ninlachart Zachary Karmiol Dev Chidambaram Krishnan SRaja 2017Journal of Magnesium and Alloys2017,5,2:3
2Alternate Anodes for the Electrolytic Reduction of UO 2显示文摘Augustus Merwin Dev Chidambaram 2015Metallurgical and Materials Transactions A2015,,1:1
3A review on the development of electrolytes for lithiumbased batteries for low temperature applications显示文摘The aerospace industry relies heavily on lithium-ion batteries in instrumentation such as satellites and land rovers.This equipment is exposed to extremely low temperatures in space or on the Martian surface.The extremely low temperatures affect the discharge characteristics of the battery and decrease its available working capacity.Various solvents,cosolvents,additives,and salts have been researched to fine tune the conductivity,solvation,and solid-electrolyte interface forming properties of the electrolytes.Several different resistive phenomena have been investigated to precisely determine the most limiting steps during charge and discharge at low temperatures.Longer mission lifespans as well as self-reliance on the chemistry are now highly desirable to allow low temperature performance rather than rely on external heating components.As Martian rovers are equipped with greater instrumentation and demands for greater energy storage rise,new materials also need to be adopted involving next generation lithiumion chemistry to increase available capacity.With these objectives in mind,tailoring of the electrolyte with highercapacity materials such as lithium metal and silicon anodes at low temperatures is of high priority.This review paper highlights the progression of electrolyte research for low temperature performance of lithium-ion batteries over the previous several decades.Jason A.MENNEL Dev CHIDAMBARAM 2023Frontiers in Energy2023,17,1:1
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