Electrodeposition in ionic liquid electrolytes

Abstract

An article comprising an electrodeposited aluminum alloy is described herein. The electrodeposited aluminum alloy comprises an average grain size less than approximately 1 micrometer. The electrodeposited aluminum alloy thickness is greater than approximately 40 micrometers. A ductility of the electrodeposited aluminum alloy is greater than approximately 2%.

What is claimed is: 
     
         1 .- 262 . (canceled) 
     
     
         263 . An electrodeposition system comprising:
 an electrodeposition bath comprising an ionic liquid, and   a component disposed in the electrodeposition bath, wherein the component comprises a para-aramid polymer.   
     
     
         264 . The electrodeposition system of  claim 263 , further comprising an anode and a cathode disposed in the electrodeposition bath. 
     
     
         265 . The electrodeposition system  claim 263 , wherein the component is an anode bag and the anode is disposed in the anode bag. 
     
     
         266 . The electrodeposition system of  claim 265 , wherein the anode bag comprises pores sized between approximately 0.01 micrometers to 100 micrometers. 
     
     
         267 . The electrodeposition system of  claim 265 , wherein an electroactive material of the anode comprises at least one selected from the group of pellets and foam. 
     
     
         268 . The electrodeposition system of  claim 263 , wherein the para-aramid polymer is compatible with the ionic liquid. 
     
     
         269 . The electrodeposition system of  claim 268 , wherein the para-aramid polymer is wettable by the ionic liquid. 
     
     
         270 . The electrodeposition system of  claim 268 , wherein the para-aramid polymer is compatible with aluminum chloride. 
     
     
         271 . The electrodeposition system of  claim 263 , wherein the component comprises at least one selected from the group of a felted material, a woven material, and a porous material. 
     
     
         272 . The electrodeposition system of  claim 263 , wherein the component is a filter configured to remove contaminants from the electrodeposition bath during electrodeposition. 
     
     
         273 . The electrodeposition system of  claim 263 , further comprising a substrate, wherein the component shields a portion of the substrate. 
     
     
         274 . The electrodeposition system of  claim 273 , further comprising a fixture configured to retain the component in contact with the shielded portion of the substrate. 
     
     
         275 . The electrodeposition system of  claim 273 , wherein the component is a wrapping wrapped around the substrate. 
     
     
         276 . A method for electrodepositing a metal comprising:
 electrodepositing a metal onto a substrate disposed in an electrodeposition bath, wherein the electrodeposition bath comprises an ionic liquid; and   filtering the electrodeposition bath with a component comprising a para-aramid polymer to remove contaminants from the electrodeposition bath.   
     
     
         277 . The method of  claim 276 , wherein electrodepositing a metal further comprises electrodepositing an aluminum alloy. 
     
     
         278 . The method of  claim 276 , wherein filtering the electrodeposition bath further comprises filtering the electrodeposition bath during electrodeposition. 
     
     
         279 . The method of  claim 276 , wherein the component is an anode bag. 
     
     
         280 . The method of  claim 276 , wherein an anode is disposed in the anode bag. 
     
     
         281 . The method of  claim 276 , wherein the component is a filter. 
     
     
         282 . An electrodeposition system comprising:
 an electrodeposition bath comprising an ionic liquid, and   a blanket layer disposed on top of the electrodeposition bath, wherein the blanket layer separates the electrodeposition bath from a surrounding environment and is at least partially immiscible with the ionic liquid.   
     
     
         283 . The electrodeposition system of  claim 282 , wherein the blanket layer is substantially inert with the ionic liquid. 
     
     
         284 . The electrodeposition system of  claim 282 , wherein the blanket layer comprises at least one selected from the group of carbon dioxide, nitrogen gas, a noble gas, pentane, hexane, decane, paraffin, poly-alpha-olefin, and toluene. 
     
     
         285 . The electrodeposition system of  claim 282 , wherein a material is flowed across a top surface of the electrodeposition bath to form the blanket layer. 
     
     
         286 . The electrodeposition system of  claim 282 , wherein a material is flowed into an interior portion of the electrodeposition bath, wherein the material passes through the electrodeposition bath to an upper surface of the electrodeposition bath to form the blanket layer. 
     
     
         287 . The electrodeposition bath of  claim 282 , wherein the blanket layer comprises a liquid in a concentration greater than the solubility limit of the liquid in the electrodeposition bath. 
     
     
         288 . The electrodeposition bath of  claim 282 , wherein the blanket layer comprises both a liquid and a gas. 
     
     
         289 . A method for electrodepositing a metal comprising:
 separating an electrodeposition bath from a surrounding environment with a blanket layer disposed on top of the electrodeposition bath; and   electrodepositing a metal onto a substrate disposed in the electrodeposition bath, wherein the electrodeposition bath comprises an ionic liquid and the blanket layer is at least partially immiscible with the ionic liquid.   
     
     
         290 . The method of  claim 289 , wherein the blanket layer is substantially inert with the ionic liquid. 
     
     
         291 . The method of  claim 289 , wherein the blanket layer comprises at least one selected from the group of carbon dioxide, nitrogen gas, a noble gas, pentane, hexane, decane, paraffin, poly-alpha-olefin, and toluene. 
     
     
         292 . The method of  claim 289 , wherein separating comprises flowing a material across a top surface of the electrodeposition bath to form the blanket layer. 
     
     
         293 . The method of  claim 289 , wherein separating comprises flowing a material into an interior portion of the electrodeposition bath, wherein the material passes through the electrodeposition bath to an upper surface of the bath to from the blanket layer. 
     
     
         294 . The method of  claim 289 , wherein the blanket layer comprises a liquid in a concentration greater than the solubility limit of the liquid in the electrodeposition bath. 
     
     
         295 . The method of  claim 289 , wherein the blanket layer comprises both a liquid and a gas.