US2015140206A1PendingUtilityA1

High energy materials for a battery and methods for making and use

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Assignee: Wildcat discovery technologies incPriority: Mar 15, 2013Filed: Jan 23, 2015Published: May 21, 2015
Est. expiryMar 15, 2033(~6.6 yrs left)· nominal 20-yr term from priority
Inventors:Cory O'NeillSteven Kaye
C23C 14/0641H01M 4/0471C23C 14/08C23C 14/0694H01M 4/0423H01M 10/052H01M 4/525H01M 4/485H01M 4/366H01M 4/58H01M 4/5825Y02E60/10H01M 4/136
57
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Claims

Abstract

A method of forming an electrode active material by reacting a metal fluoride and a reactant. The method includes a coating step and a comparatively low temperature annealing step. Also included is the electrode formed following the method.

Claims

exact text as granted — not AI-modified
We claim: 
     
         1 . A method of making an electrode, comprising:
 coating particles, wherein each particle includes a metal fluoride material, with a coating precursor material, wherein the coating precursor material includes a transition metal;   annealing the particles such that at least a portion of the metal fluoride material and at least a portion of the transition metal react to undergo a phase change; and   forming the coated particles into an electrode.   
     
     
         2 . The method of  claim 1 , wherein the electrode forming step comprises preparing a formulation composition of coated particles, binder, and conductive additive. 
     
     
         3 . The method of  claim 1 , wherein the metal fluoride material comprises copper fluoride. 
     
     
         4 . The method of  claim 1 , wherein the coating step comprising milling the particles with the coating precursor material. 
     
     
         5 . The method of  claim 4 , wherein the coating precursor material comprises a organo-metal complex. 
     
     
         6 . The method of  claim 4 , wherein the coating precursor material comprises a metal oxide. 
     
     
         7 . The method of  claim 4 , wherein the coating precursor material comprises elemental metal. 
     
     
         8 . The method of  claim 4 , wherein the coating precursor material comprises NiO. 
     
     
         9 . The method of  claim 4 , wherein the coating precursor material comprises TiO 2 . 
     
     
         10 . The method of  claim 4 , wherein the coating precursor material is Ni. 
     
     
         11 . The method of  claim 4 , wherein the coating precursor material comprises nickel(II) acetylacetonate. 
     
     
         12 . The method of  claim 4 , wherein the coating precursor material comprises nickel acetate. 
     
     
         13 . The method of  claim 1 , wherein the coating step comprises a solution coating process. 
     
     
         14 . The method of  claim 13 , wherein the coating precursor material comprises an organo-metal complex. 
     
     
         15 . The method of  claim 13 , wherein the coating precursor material comprises nickel(II) acetylacetonate. 
     
     
         16 . The method of  claim 1 , wherein the coating step comprises a physical vapor deposition process. 
     
     
         17 . The method of  claim 16 , wherein the coating precursor material comprises a metal oxide. 
     
     
         18 . The method of  claim 16 , wherein the coating precursor material comprises a metal nitride. 
     
     
         19 . The method of  claim 16 , wherein the coating precursor material comprises a metal silicate. 
     
     
         20 . The method of  claim 16 , wherein the coating precursor material is Ni or Ti. 
     
     
         21 . The method of  claim 1 , wherein the coating step comprises an atomic layer deposition process. 
     
     
         22 . The method of  claim 21 , wherein the coating precursor material is Ni. 
     
     
         23 . The method of  claim 21 , wherein the coating precursor material comprises a metal oxide. 
     
     
         24 . The method of  claim 21 , wherein the coating precursor material comprises a metal nitride. 
     
     
         25 . The method of  claim 1 , wherein the annealing step is conducted at a temperature less than or equal to 450 degrees C. 
     
     
         26 . The method of  claim 1 , wherein the annealing step is conducted at a temperature less than or equal to 325 degrees C. 
     
     
         27 . An electrode formed by the method of  claim 1 . 
     
     
         28 . The electrode of  claim 27  wherein the electrode is characterized by having reversible capacity. 
     
     
         29 . The electrode of  claim 27  comprising particles having a first phase and a coating on the particle having a second phase. 
     
     
         30 . The electrode of  claim 29  wherein the coating is covalently bonded to the particle

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