Electrolyte compositions comprising ionic liquids and metal hydride batteries comprising same

Meng, Tiejun; Young, Kwo; Wong, Diana; Nei, Jean

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Title: Electrolyte compositions comprising ionic liquids and metal hydride batteries comprising same

Abstract

Electrolyte compositions comprising a) an ionic liquid and b) a protic acid and/or an organic solvent are suitable for use in electrochemical cells, e.g. metal hydride batteries. The electrolyte compositions may replace the currently employed 30% by weight aqueous KOH. Suitable protic acids include carboxylic acids, mineral acids, sulfonic acids and the like. Suitable organic solvents include organic carbonates, ethers, glymes, ortho esters, polyalkylene glycols, esters, lactones, glycols, formates, sulfones, sulfoxides, amides, alcohols, ketones, nitro solvents, nitrile solvents and combinations thereof. Present batteries may achieve a nominal open-circuit voltage of >1.2 V (volts) and up to about 6 V. The electrolyte compositions allow enlargement of the electrochemical window, thus allowing the use of further cathode active materials. Further cathode active materials include transition metals and their oxides, hydroxides and fluorides; for example, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Lu, Hf, Ta, W, Re, Os, Ir, Pt and Au and their oxides, hydroxides, oxide/hydroxides and fluorides.

Inventors:: Meng, Tiejun; Young, Kwo; Wong, Diana; Nei, Jean

Issue Date:: Tue Mar 10 00:00:00 EDT 2020

Research Org.:: BASF Corp., Florham Park, NJ (United States)

Sponsoring Org.:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

OSTI Identifier:: 1637885

Patent Number(s):: 10587012

Application Number:: 14/669,588

Assignee:: BASF Corporation (Florham Park, NJ)

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

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

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M10/345 - {Gastight metal hydride accumulators}
H01M2300/0005 - Acid electrolytes
H01M2300/0014 - Alkaline electrolytes
H01M2300/0037 - Mixture of solvents
H01M2300/004 - Three solvents
H01M2300/0045 - Room temperature molten salts comprising at least one organic ion

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

Show less

DOE Contract Number:: AR0000386

Resource Type:: Patent

Resource Relation:: Patent File Date: 03/26/2015

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Meng, Tiejun, Young, Kwo, Wong, Diana, and Nei, Jean. Electrolyte compositions comprising ionic liquids and metal hydride batteries comprising same.  United States: N. p., 2020. 
        Web.

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                    Meng, Tiejun, Young, Kwo, Wong, Diana, & Nei, Jean. Electrolyte compositions comprising ionic liquids and metal hydride batteries comprising same.  United States.

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                    Meng, Tiejun, Young, Kwo, Wong, Diana, and Nei, Jean. Tue .  
        "Electrolyte compositions comprising ionic liquids and metal hydride batteries comprising same".  United States.  https://www.osti.gov/servlets/purl/1637885.

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@article{osti_1637885,

  title        = {Electrolyte compositions comprising ionic liquids and metal hydride batteries comprising same},

  author       = {Meng, Tiejun and Young, Kwo and Wong, Diana and Nei, Jean},

  abstractNote = {Electrolyte compositions comprising a) an ionic liquid and b) a protic acid and/or an organic solvent are suitable for use in electrochemical cells, e.g. metal hydride batteries. The electrolyte compositions may replace the currently employed 30% by weight aqueous KOH. Suitable protic acids include carboxylic acids, mineral acids, sulfonic acids and the like. Suitable organic solvents include organic carbonates, ethers, glymes, ortho esters, polyalkylene glycols, esters, lactones, glycols, formates, sulfones, sulfoxides, amides, alcohols, ketones, nitro solvents, nitrile solvents and combinations thereof. Present batteries may achieve a nominal open-circuit voltage of >1.2 V (volts) and up to about 6 V. The electrolyte compositions allow enlargement of the electrochemical window, thus allowing the use of further cathode active materials. Further cathode active materials include transition metals and their oxides, hydroxides and fluorides; for example, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Lu, Hf, Ta, W, Re, Os, Ir, Pt and Au and their oxides, hydroxides, oxide/hydroxides and fluorides.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Mar 10 00:00:00 EDT 2020},

  month        = {Tue Mar 10 00:00:00 EDT 2020}

}

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