Ut-Battelle, Inc.

The University of Tennessee Research Foundation

Iowa State University Research Foundation Inc

Drexel University

Lockheed Martin Energy Research Corporation

Other

University of California

The University of Texas System

Lawrence Livermore National Security, LLC

American Superconductor Corporation

Carpenter Technology Corporation

Lockheed Martin Energy, LLC

Terralithium LLC

Alger Alternative Energy, LLC

Mariappan Parans Paranthaman

Amit Goyal

Tolga Aytug

Amit Kumar Naskar

Donald M Kroeger

Dominic F Lee

Craig A Bridges

Zhonghe Bi

Gilbert Morris Brown

Eliot D Specht

Roeland Feenstra

John T Simpson

Xiao-Guang Sun

David K Christen

Thomas G Chirayil

Sheng Dai

Orlando Rios

Zachary David Hood

Brian C Sales

Yunchao Li

Hansan Liu

Stephen Harrison

Yury Gogotsi

Younan Xia

Martin W Rupich

Paul N Arendt

Stephen R Foltyn

Vlastimil Kunc

Bruce A Moyer

Cornelis Leo Hans Thieme

Robert K Williams

Brian K Post

Jonathan S Morrell

Gabriel M Veith

David P Norton

Michael Z Hu

Constantinos Tsouris

David B Beach

Ramesh R Bhave

Cajetan Ikenna Nlebedim

Liliana Stan

Sukeun Yoon

Darren Verebelyi

Matthew R Sturgeon

Ozgur Polat

Srivatsan Sathyamurthy

Marko Robert Ivancevic

Urs Schoop

Frederic A List, Iii

Muhammad Boota

Shiba Prasad Adhikari

Nancy Johnston Dudney

Ilia N Ivanov

Qing I He

Beth Louise Armstrong

Amelia M Elliott

Ling Li

Ahmed A Hassen

Timothy James McIntyre

Scott McCall

R William McCallum

Frederick Alyious List, Iii

Michael Alan McGuire

Corson L Cramer

Matthew J Kramer

Vishwanath Deshmane

John D Budai

Nicholas Linneen

David S Parker

Uday Kumar Vaidya

Peeyush Nandwana

Chins Chinnasamy

Syed Z Islam

Abhishek Sarkar

Brett Gibson Compton

Sung-Hun Wee

Cajetan Ikenna Niebedim

Kokouvi M Akato

Daniel Hillesheim

Samuel F Evans

Xuan Yang

Robert H Fredette

John Ormerod

Huseyin Ucar

Somashekara Adinarayanappa

Mark Christopher Haase

Thomas Lograsso

Marcus W Wright

Abdessadek Lachgar

Abdou Lachgar

Daniela Florentina Bogorin

Neil E Trammell

Arumugan Manthiram

Xiaofeng Qiu

Miaofang Chi

Zhenyu Zhang

Özgur Polat

A method for producing a bonded magnet, comprising: (i) low-shear compounding of a thermoplastic polymer and magnetic particles to form an initial homogeneous mixture thereof; (ii) feeding the initial homogeneous mixture into a plasticator comprising a low-shear single screw rotating unidirectionally toward a die orifice and housed within a heated barrel to result in heating of the initial homogeneous mixture until the thermoplastic polymer melts and forms a further homogeneous mixture, wherein said further homogeneous mixture is transported within threads of the single screw towards the die orifice and exits the die orifice as a solid pellet; (iii) conveying the solid pellet into a mold and compression molding the pellet in the mold, to form the bonded magnet, wherein the bonded magnet possesses a magnetic particle loading of at least 80 vol % and exhibits one or more magnetic properties varying by less than 5% throughout the bonded magnet.

Extrusion-compression method for producing bonded permanent magnets

Embodiments of the present invention provide an electromagnet alignment system for AM or 3D printing technology providing improved in-situ alignment of the magnetic particulate material as it is dispensed during deposition to form a 3D shape. In-situ alignment of the magnetic particulate material can be controlled to be unidirectional or multi-directional.

Additive manufacturing with in-situ magnetic field source

A method of concentrating a lithium-containing aqueous solution, the method comprising: (i) providing a water-permeable structure having an inner surface and outer surface, wherein at least said outer surface is coated with a water-permeable hydrophilic polymer having a thermal stability of at least 100° C.; and (ii) flowing a lithium-containing aqueous feed solution having an initial concentration of lithium over said inner surface while said outer surface is in contact with an aqueous draw solution containing a higher overall ion concentration than said lithium-containing aqueous feed solution, to result in forward osmosis of water from said lithium-containing aqueous feed solution to said aqueous draw solution, and wherein said forward osmosis results in a lithium-containing aqueous product solution having an increased concentration of lithium relative to the initial concentration of lithium in the lithium-containing aqueous feed solution.

Forward osmosis composite membranes for concentration of lithium containing solutions

A bonded soft magnet object comprising bonded soft magnetic particles of an iron-containing alloy having a soft magnet characteristic, wherein the bonded soft magnetic particles have a particle size of at least 200 nm and up to 100 microns. Also described herein is a method for producing the bonded soft magnet by indirect additive manufacturing (IAM), such as by: (i) producing a soft magnet preform by bonding soft magnetic particles with an organic binder, wherein the magnetic particles have an iron-containing alloy composition with a soft magnet characteristic, and wherein the particles of the soft magnet material have a particle size of at least 200 nm and up to 100 microns; (ii) subjecting the preform to an elevated temperature sufficient to remove the organic binder to produce a binder-free preform; and (iii) sintering the binder-free preform at a further elevated temperature to produce the bonded soft magnet.

Indirect additive manufacturing process for fabricating bonded soft magnets

An electromagnet alignment system for in-situ alignment of a magnetic particulate material is provided. The magnetic particulate material is dispensed through an orifice of a dispensing nozzle used for 3D printing. The system has an electromagnet assembly having a coil. The coil is configured to generate a pulsed magnetic field having a target magnetic flux intensity upon energization of the coil when the magnetic particulate material is being heated and moved through the dispensing nozzle. As a result, the magnetic particulate material is at least partially aligned with respect to a direction by the pulsed magnetic field. The system further includes a power source for implementing the energization of the coil.

Alignment system for magnetic particulate material used for additive manufacturing

A magnetic ink composition for three-dimensional (3D) printing a bonded magnet is provided. The magnetic ink composition includes magnetic particles, a polymer binder and a solvent. A 3D printing method for fabrication of a bonded magnet using the magnetic ink composition is also provided.

Extrudable magnetic ink and novel 3D printing method to fabricate bonded magnets of complex shape

An adsorbent for a target compound can include porous carbon particles having pores with a predominant pore size less than 10 nm, and magnetic nanoparticles (MNP) nucleated on the carbon surface and within the pores of carbon particles to provide a carbon magnetic nanoparticle adsorbent (C-MNA). A method for removing target compounds with an adsorbent, a system for removing contaminants from a liquid, and a method for adsorbing target compounds from a fluid are also disclosed.

Adsorbents, systems and methods for the removal of heavy metals from contaminated water

The invention provides a method of making a electrocatalyst from waste tires. The method comprises the steps of providing rubber pieces; optionally contacting the rubber pieces with a sulfonation bath to produce sulfonated rubber; pyrolyzing the rubber to produce tire-derived carbon composite comprising carbon black, wherein the pyrolyzing comprises heating to at least 200&#xb0; C.-2400&#xb0; C.; activating the tire-derived carbon composite by contacting the tire-derived carbon composite with an alkali anion compound to provide activated tire-derived carbon supports; and loading the activated carbon-based supports with platinum cubes. In another embodiment, the tire-derived carbon composite is activated by annealing in a carbon dioxide atmosphere.

Carbon supports for oxygen reduction catalysts

The invention provides a catalyst and a method for making the catalyst. The catalyst comprises a porous carbon composite impregnated with a salt. The catalyst comprises a porous carbon composite impregnated with a salt.

Production of biofuels with novel salts impregnated tire-derived carbon catalysts

A method of recovering carbon black includes the step of providing a carbonaceous source material containing carbon black. The carbonaceous source material is contacted with a sulfonation bath to produce a sulfonated material. The sulfonated material is pyrolyzed to produce a carbon black containing product comprising a glassy carbon matrix phase having carbon black dispersed therein. The pyrolysis can be conducted at a temperature from 1100&#xb0; C. to 1490&#xb0; C. A method of making a battery electrode and a lithium ion or sodium ion battery is also disclosed.

Pyrolytic carbon black composite and method of making the same

Compositions and methods of making compositions are provided for nitride- and/or oxide-modified electrode compositions. In certain embodiments, the nitride- and/or oxide-modified compositions have the general formula MM'OFN. Such compositions may be used as bulk or surface compositions, and used in a battery as the anode or cathode. In other embodiments, the electrode includes a surface coating composition selected from metal nitrides and metal oxides, and a core composition having the formula MM&#x2032;OF, or an oxide fluoride.

Nitride- and oxide-modified electrode compositions and their methods of making

A capacitive deionization system includes first and second electrodes comprising tire derived carbon particles obtained from a carbonaceous waste-tire source material containing carbon black. A conductive polymer coating on the carbon particles forms coated carbon particles. The first electrode and the second electrode define a flow channel there between, having a first opening for conducting saline solution into the flow channel and a second opening for conducting treated saline solution from the flow channel. A first current collector is provided for the first electrode and a second current collector is provided for the second electrode. An electrical connection between the first and second electrodes. A method of making a system for the capacitive deionization of a salt from a liquid, and a method for the capacitive desalination of a saline solution are also disclosed.

Carbon electrodes based capacitive deionization for the desalination of water

A method for producing magnet-polymer pellets useful as a feedstock in an additive manufacturing process, comprising: (i) blending thermoplastic polymer and hard magnetic particles; (ii) feeding the blended magnet-polymer mixture into a pre-feed hopper that feeds directly into an inlet of a temperature-controlled barrel extruder; (iii) feeding the blended magnet-polymer mixture into the barrel extruder at a fixed feed rate of 5-20 kg/hour, wherein the temperature at the outlet is at least to no more than 10&#xb0; C. above a glass transition temperature of the blended magnet-polymer mixture; (iv) feeding the blended magnet-polymer mixture directly into an extruding die; (v) passing the blended magnet-polymer mixture through the extruding die at a fixed speed; and (vi) cutting the magnet-polymer mixture at regular intervals as the mixture exits the extruding die at the fixed speed. The use of the pellets as feed material in an additive manufacturing process is also described.

Magnetic feed material and its use in producing bonded permanent magnets by additive manufacturing

A bulk high performance permanent magnet comprising a neodymium-iron-boron core having an outer surface, and a coercivity-enhancing element residing on at least a portion of said outer surface, with an interior portion of said neodymium-iron-boron core not having said coercivity-enhancing element therein. Also described herein is a method for producing the high-coercivity bulk permanent magnet, the method comprising: (i) depositing a coercivity-enhancing element on at least a portion of an outer surface of a neodymium-iron-boron core substrate to form a coated permanent magnet; and (ii) subjecting the coated permanent magnet to a pulse thermal process that heats said outer surface to a substantially higher temperature than an interior portion of said neodymium-iron-boron core substrate, wherein said substantially higher temperature is at least 200&#xb0; C. higher than said interior portion and is of sufficient magnitude to induce diffusion of said coercivity-enhancing element below said outer surface but outside of said interior portion.

Neodymium-iron-boron magnet with selective surface modification, and method of producing same

A method of making a supercapacitor from waste tires, includes the steps of providing rubber pieces and contacting the rubber pieces with a sulfonation bath to produce sulfonated rubber; pyrolyzing the sulfonated rubber to produce a tire-derived carbon composite comprising carbon black embedded in rubber-derived carbon matrix comprising graphitized interface portions; activating the tire-derived carbon composite by contacting the tire-derived carbon composite with a specific surface area-increasing composition to increase the specific surface area of the carbon composite to provide an activated tire-derived carbon composite; and, mixing the activated tire-derived carbon composite with a monomer and polymerizing the monomer to produce a redox-active polymer coated, activated tire-derived carbon composite. The redox-active polymer coated, activated tire-derived carbon composite can be formed into a film. An electrode and a supercapacitor are also disclosed.

Flexible and conductive waste tire-derived carbon/polymer composite paper as pseudocapacitive electrode

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Knoxville, TN, United States of America

Mariappan Parans Paranthaman