Patent ID: 7033406
Filing Date: 2006-04-25
Classification: B22F,C04B,H01G,Y02P,Y10T

Abstract:
1. A method for making an electrical-energy-storage unit comprising components fabricated by the method steps as follow; a) preparing a wet-chemical-prepared calcined composition-modified barium titanate powder derived from a solution of precursors: Ba(NO b) fabricating an aluminum oxide (Al c) fabricating onto the alumina-coated composition-modified barium titanate powder, a second uniform coating of 100 Å of calcium magnesium aluminosilicate glass derived from alcohol-soluble precursors: calcium methoxide or calcium isopropoxide, magnesium methoxide or magnesium ethoxide, aluminum ethoxide or aluminum isopropoxide or aluminum isopropoxide, and tetraethyl orthosilicate are applied by wet chemical means which upon calcining at 500° C. results in a double-coated composition-modified barium titanate powder; d) blending, this double-coated composition-modified barium titanate powder with a screen-printing ink containing appropriate plastic resins surfactants, lubricants, and solvents to provide a suitable rheology for screen printing; e) screen-printing into interleaved multilayers of alternating offset nickel electrode layers f) drying and cutting the screen-punted multilayer components g) sintering the screen-printed multilayer components h) hot isostatically pressing the closed-pore porous ceramic bodies, at a temperature of 700° C. with a specified pressure, into a void-free condition; i) grinding and each side of the component to expose the alternating offset interleaved nickel electrodes j) connecting nickel side bars k) heating the components and side nickel bar combination l) wave soldering each side of the conducting bars; m) assembling the components n) assembling the first arrays into the second array; o) assembling the second arrays into the EESU final assembly.