Ut-battelle, Inc.

Other

Battelle Memorial Institute

U.S. Geological Survey

Beth Louise Armstrong

Gabriel M Veith

Sergiy Kalnaus

Hsin Wang

Katie L Browning

Kevin M Cooley

Claus Daniel

David L Wood, Iii

Nancy Johnston Dudney

James O Kiggans, Jr

Edgar Lara-Curzio

Ilia N Ivanov

Jianlin Li

Jane Y Howe

Tommy Joe Phelps

Adrian Stefan Sabau

Frederick S Baker

Wyatt Evan Tenhaeff

Pooran Chandra Joshi

Cristian Ion Contescu

Ke An

John T Simpson

Mariappan Parans Paranthaman

Lonnie J Love

Susan J Babinec

Joseph Thomas Muth

Tolga Aytug

Chad Edward Duty

Jeffry W Stevenson

Adam Justin Rondinone

Lonnie Curt Maxey

Anna Gutowska

Amit Shyam

Wayne A Surdoval

Ronald S Oremland

Gerald Earle Jellison, Jr

Allison A Campbell

Michelle K Kidder

Ji-Won Moon

Gyoung Gug Jang

Ralph B Dinwiddie

Yanli Wang

Ji Won Moon

Robert L Sacci

Luc Louis Daemen

Lin Song

Edward Andrew Payzant

Sean Campbell Smith

David E Graham

Daniel Hillesheim

Travis Shultz

Hyunsung Jung

Neil E Trammell

Danny J King

Patrick L Hagans

Nicole S Nembhard

Rosa M Trejo

Brian H Shen

Yeong Shyung Chou

Jae Soon Choi

Viviane Schwartz

Christopher B Jacobs

Nathan Kidder

A battery includes an anode, a cathode, and a porous separator having a surface and percolating pores providing a porosity of from 20% to 80%. A passively impact resistant composite electrolyte includes an electrolyte and electrically non-conducting particles that enable shear thickening. The particles can have a polydispersity index of no greater than 0.1, an average particle size in a range of from 50 nm to 1 μm, and an absolute zeta potential of greater than ±40 mV. The shear thickening enabling particles can be from 10 wt. % to 40 wt. % of the total weight of the separator and shear thickening particles. Between 20-40 wt. % of the shear thickening enabling particles are located in the pores of the separator.

Battery with shear thickening, impact resistant electrolytes

A battery includes an anode, a cathode, and a porous separator having a surface and percolating pores providing a porosity of from 20% to 80%. A passively impact resistant composite electrolyte includes an electrolyte and electrically non-conducting particles that enable shear thickening. The particles can have a polydispersity index of no greater than 0.1, an average particle size in a range of from 50 nm to 1 um, and an absolute zeta potential of greater than &#xb1;40 mV. The shear thickening enabling particles can be from 10 wt. % to 40 wt. % of the total weight of the separator and shear thickening particles. Between 20-40 wt. % of the shear thickening enabling particles are located in the pores of the separator.

A method of making a passively impact resistant battery includes the steps of providing a porous separator material having pores and a surface, and providing a suspension composition including shear thickening enabling particles and a particle suspension solvent for suspending the shear thickening enabling particles. The shear thickening particles have a polydispersity index of no greater than 0.1, an average particle size of in a range of 50 nm to 1 um, and an absolute zeta potential of greater than &#xb1;40 mV. The suspension composition is applied to the separator material, wherein a portion of the particles and suspension solvent penetrate the pores. The suspension solvent is evaporated from the separator material. An anode layer and a cathode layer are applied. An electrolyte composition is applied between the anode layer and the cathode layer. The electrolyte composition includes an electrolyte solvent and an electrolyte salt.

Method of making a passively impact resistant battery

A method of preparing a lithium-ion conducting garnet via low-temperature solid-state synthesis is disclosed. The lithium-ion conducting garnet comprises a substantially phase pure aluminum-doped cubic lithium lanthanum zirconate (LiLaZrO). The method includes preparing nanoparticles comprising lanthanum zirconate (LaZrO-np) via pyrolysis-mediated reaction of lanthanum nitrate (La(NO)) and zirconium nitrate (Zr(NO)). The method also includes pyrolyzing a solid-state mixture comprising the LaZrO-np, lithium nitrate (LiNO), and aluminum nitrate (Al(NO)) to give the LiLaZrOand thereby prepare the lithium-ion conducting garnet. A lithium-ion conducting garnet prepared via the method is also disclosed.

Rapid pyrolysis to form super ionic conducting lithium garnets

A method of making a passively impact resistant composite electrolyte and separator layer includes providing a suspension composition including electrically non-conducting particles that enable shear thickening. The particles can have a polydispersity index of no greater than 0.1, an average particle size in a range of from 50 nm to 1 um, and an absolute zeta potential of greater than &#xb1;40 mV. A particle suspension solvent is provided for suspending the particles. The suspension composition is applied to a porous separator material. A portion of the particles and suspension solvent penetrate the pores and the remainder of the particles in the suspension composition are distributed across the surface of the separator material. The suspension solvent is evaporated from the separator material to provide a shear thickening particle loaded separator. A separator assembly and a passivated battery are also disclosed.

Fabrication of films and coatings used to activate shear thickening, impact resistant electrolytes

A passively impact resistant composite electrolyte composition includes an electrolyte solvent, up to 6M of an electrolyte salt, and shear thickening ceramic particles having an outer surface. The shear thickening ceramic particles have an absolute zeta potential of greater than &#xb1;40 mV. The shear thickening ceramic particles have a polydispersity index of no greater than 0.1, and an average particle size of in a range of 50 nm to 1 um. The ceramic particles have bonded to the outer surface steric stabilizing polymers. The steric stabilizing polymers have a chain length of from 0.5 nm to 100 nm. A passively impact resistant laminated battery and a method of making the electrolyte composition are also disclosed.

Shear activated impact resistant electrolyte

A passively impact resistant composite electrolyte composition includes an aprotic electrolyte solvent, from 0.5 to 6M of an electrolyte salt, and shear thickening particles having a polydispersity index of no greater than 0.1, an average particle size in a range of 50 nm to 1 um, and an absolute zeta potential of greater than &#xb1;40 mV. The shear thickening particles have thereon an electrochemical double layer. The composition further includes a stabilizing surfactant. The stabilizing surfactant includes a first portion for adsorbing to the particles, and a second portion that is absorbed in the solvent. The length of the surfactant from the first portion to the second portion is greater than twice the thickness of the electrochemical double layer. Batteries and electrochemical devices incorporating the electrolyte composition are disclosed. Methods of making the electrolyte composition and of operating a battery are also disclosed.

Stabilized shear thickening electrolyte

A method for producing metal chalcogenide nanoparticles, the method comprising: (i) producing hydrogen chalcogenide-containing vapor from a microbial source, wherein said microbial source comprises: (a) chalcogen-reducing microbes capable of producing hydrogen chalcogenide vapor from a chalcogen-containing source; (b) a culture medium suitable for sustaining said chalcogen-reducing microbes; (c) at least one chalcogen-containing compound that can be converted to hydrogen chalcogenide vapor by said chalcogen-reducing microbes; and (d) at least one nutritive compound that provides donatable electrons to said chalcogen-reducing microbes during consumption of the nutritive compound by said chalcogen-reducing microbes; and (ii) directing said hydrogen chalcogenide-containing vapor into a metal-containing solution comprising a metal salt dissolved in a solvent to produce metal chalcogenide nanoparticles in said solution, wherein said chalcogen is sulfur or selenium, and said chalcogenide is sulfide or selenide, respectively. The invention is also directed to metal chalcogenide nanoparticle compositions produced as above and having distinctive properties.

Microbially-mediated method for synthesis of metal chalcogenide nanoparticles

The invention is directed to a method for producing metal-containing particles, the method comprising subjecting an aqueous solution comprising a metal salt, E, lowering reducing agent, pH adjusting agent, and water to conditions that maintain the Evalue of the solution within the bounds of an E-pH stability field corresponding to the composition of the metal-containing particles to be produced, and producing said metal-containing particles in said aqueous solution at a selected Evalue within the bounds of said E-pH stability field. The invention is also directed to the resulting metal-containing particles as well as devices in which they are incorporated.

Controllable reductive method for synthesizing metal-containing particles

An optically transparent, hydrophobic coating, exhibiting an average contact angle of at least 100 degrees with a drop of water. The coating can be produced using low-cost, environmentally friendly components. Methods of preparing and using the optically transparent, hydrophobic coating.

Optically transparent, superhydrophobic, biocompatible thin film coatings and methods for producing same

A system and a method for characterizing a dielectric material are provided. The system and method generally include applying an excitation signal to electrodes on opposing sides of the dielectric material to evaluate a property of the dielectric material. The method can further include measuring the capacitive impedance across the dielectric material, and determining a variation in the capacitive impedance with respect to either or both of a time domain and a frequency domain. The measured property can include pore size and surface imperfections. The method can still further include modifying a processing parameter as the dielectric material is formed in response to the detected variations in the capacitive impedance, which can correspond to a non-uniformity in the dielectric material.

Characterization of dielectric materials

A method of making a battery electrode includes the steps of dispersing an active electrode material and a conductive additive in water with at least one dispersant to create a mixed dispersion; treating a surface of a current collector to raise the surface energy of the surface to at least the surface tension of the mixed dispersion; depositing the dispersed active electrode material and conductive additive on a current collector; and heating the coated surface to remove water from the coating.

Aqueous processing of composite lithium ion electrode material

A passively impact resistant composite electrolyte composition includes an electrolyte solvent, up to 2M of an electrolyte salt, and shear thickening ceramic particles having a polydispersity index of no greater than 0.1, an average particle size of in a range of 50 nm to 1 &#x3bc;m, and an absolute zeta potential of greater than &#xb1;40 mV.

Impact resistant electrolytes

A seal for a solid oxide fuel cell includes a glass matrix having glass percolation therethrough and having a glass transition temperature below 650&#xb0; C. A deformable second phase material is dispersed in the glass matrix. The second phase material can be a compliant material. The second phase material can be a crushable material. A solid oxide fuel cell, a precursor for forming a seal for a solid oxide fuel cell, and a method of making a seal for a solid oxide fuel cell are also disclosed.

Engineered glass seals for solid-oxide fuel cells

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Clinton, TN, United States of America

Beth Louise Armstrong