Title: Process for fabrication of enhanced β″-alumina solid electrolytes for energy storage devices and energy applications

Abstract

A dense β″-alumina/zirconia composite solid electrolyte and process for fabrication are disclosed. The process allows fabrication at temperatures at or below 1600° C. The solid electrolytes include a dense composite matrix of β″-alumina and zirconia, and one or more transition metal oxides that aid the conversion and densification of precursor salts during sintering. The composite solid electrolytes find application in sodium energy storage devices and power-grid systems and devices for energy applications.

Inventors:

Lu, Xiaochuan; Kim, Jin Yong; Li, Guosheng; Meinhardt, Kerry D.; Sprenkle, Vincent L.

Issue Date:

2021-10-12

Research Org.:

Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1859955

Patent Number(s):

11145894

Application Number:

14/465,476

Assignee:

Battelle Memorial Institute (Richland, WA)

Patent Classifications (CPCs):

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01F - COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

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C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01F - COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS

C01F7/028 - {Beta-aluminas}

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

C01G25/00 - Compounds of zirconium
C01G25/02 - Oxides

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

C01P2002/50 - Solid solutions
C01P2002/54 - one element only
C01P2002/72 - by d-values or two theta-values, e.g. as X-ray diagram
C01P2006/40 - Electric properties

C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA

C04B2235/3201 - Alkali metal oxides or oxide-forming salts thereof
C04B2235/3203 - Lithium oxide or oxide-forming salts thereof
C04B2235/3218 - Aluminium
C04B2235/3225 - Yttrium oxide or oxide-forming salts thereof
C04B2235/3232 - Titanium oxides or titanates, e.g. rutile or anatase
C04B2235/3244 - Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
C04B2235/3246 - Stabilised zirconias, e.g. YSZ or cerium stabilised zirconia
C04B2235/3262 - Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
C04B2235/441 - Alkoxides, e.g. methoxide, tert-butoxide
C04B2235/443 - Nitrates or nitrites
C04B2235/6025 - Tape casting, e.g. with a doctor blade
C04B2235/604 - Pressing at temperatures other than sintering temperatures
C04B2235/6567 - Treatment time
C04B2235/77 - Density
C04B35/113 - based on beta-aluminium oxide
C04B35/119 - with zirconium oxide
C04B35/4885 - {with aluminium oxide}
C04B35/64 - Burning or sintering processes

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

H01M10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
H01M10/0562 - Solid materials
H01M10/39 - working at high temperature
H01M10/3918 - {characterised by the electrolyte}
H01M10/399 - {Cells with molten salts}
H01M2300/0071 - Oxides
H01M2300/0077 - based on zirconium oxide
H01M2300/0091 - in the form of mixtures

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

Y02E60/10 - Energy storage

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DOE Contract Number:  

AC05-76RL01830

Resource Type:

Patent

Resource Relation:

Patent File Date: 08/21/2014

Country of Publication:

United States

Language:

English