Cabot Corporation

Sicpa Holding Sa

Miodrag Oljaca

Berislav Blizanac

Paolina Atanassova

Geoffrey D Moeser

Aurelien L DuPasquier

Mark J Hampden-Smith

Toivo T Kodas

Andriy Korchev

Ned J Hardman

Kenneth C Koehlert

Yipeng Sun

Ranko Panayotov Bontchev

Pavel A Kossyrev

Klaus Kunze

Scott T Haubrich

Agathagelos Kyrlidis

Rimple Bhatia

Qi Lu

Mark H Kowalski

Jeffrey Scott Sawrey

Richard Einhorn

Danny Pierre

George P Fotou

Matthew C Ezenyilimba

Kavita K Pai

Jainisha Shah

Olha Mashtalir

Aurelien Dupasquier

Feng Feng

Toivo Kodos

Kevin Girard

Richard A Einhorn

Aurelien L Dupasquier

Ryan C Wall

Ken Koehlert

An electrode includes an electrode composition having carbon nanotubes; carbon black particles having a Brunauer-Emmett-Teller (BET) surface area greater than 90 m/g, and an oil adsorption number (OAN) greater than 150 mL/100, wherein the ratio of the carbon nanotubes to the carbon black particles ranges from 3:1 to 0.25:1 by weight; and an electroactive material selected from lithium nickel cobalt manganese oxide or lithium nickel cobalt aluminum oxide; and a current collector contacting the electrode composition. The total concentration of the carbon nanotubes and the carbon black particles is equal to or less than 3 wt % of the electrode composition.

Compositions containing conductive additives, related electrodes and related batteries

Carbon nanostructures are used to prepare electrode compositions for lithium ion batteries. In one example, an anode for a Li ion battery includes three-dimensional carbon nanostructures made of highly entangled nanotubes, fragments of carbon nanostructures and/or fractured nanotubes, which are derived from the carbon nanostructures, are branched and share walls with one another. Amounts of carbon nanostructures employed can be less than or equal to 0.5 weight % relative to the weight of the electrode composition.

Anode electrode compositions for battery applications

An electrode for an energy storage device includes carbon black particles having (a) a Brunauer-Emmett-Teller (BET) surface area ranging from 70 to 120 m/g; (b) an oil absorption number (OAN) ranging from 180 to 310 mL/100 g; (c) a surface energy less than or equal to 15 mJ/m; and (d) either an Lcrystallite size less than or equal to 29 &#x212b;, or a primary particle size less than or equal to 24 nm.

Electrodes, compositions, and devices having high structure carbon blacks

An electrode, includes an electrically conductive substrate; and a composition supported by a surface of the electrically conductive substrate, the composition comprising carbon black particles having a Brunauer-Emmett-Teller (BET) surface area ranging from 80 m/g to 1100 m/g, an oil absorption number equal to or less than 300 mL/100 g, a surface energy of 10 mJ/mor less, and a particle size distribution with a Dvalue equal to or less than 165 nm.

Electrodes containing carbon black particles and related methods

Disclosed herein are cathode formulations comprising a lithium ion-based electroactive material and a carbon black having a BET surface area ranging from 130 to 700 m/g and a ratio of STSA/BET ranging from 0.5 to 1. Also disclosed are cathodes comprising the cathode formulations, electro-chemical cells comprising the cathodes, and methods of making the cathode formulations and cathodes.

Conductive carbons for lithium ion batteries

Disclosed herein are cathode formulations comprising graphenes. One embodiment provides a cathode formulation comprising an electroactive material, and graphene interspersed with the electroactive material, wherein a ratio of (mean electroactive material domain size)/(mean graphene lateral domain size) ranges from 3:2 to 15:1. Also disclosed are cathodes comprising such materials and methods of making such cathodes.

Electrode formulations comprising graphenes

The invention relates to a reflective feature, e.g., reflective security feature or reflective decorative feature, comprising a first element at least partially coplanar with a second element. The first element causes incident light to be reflected with a first intensity that varies as the angle of incidence changes relative to a surface of the reflective feature. The invention also relates to a direct write printing process for forming such a reflective feature from an ink comprising metallic nanoparticles.

Reflective features with co-planar elements and processes for making them

A paste suitable for a negative plate of a lead-acid battery, the paste comprising lead oxide and carbon black, wherein the carbon black has the following properties: (a) a BET surface area between about 100 and about 2100 m/g; and (b) an oil adsorption number (OAN) in the range of about 35 to about 360 cc/100 g, provided that the oil absorption number is less than the 0.14&#xd7;the BET surface area+65.

Lead-acid batteries and pastes therefor

A carbon black having a combination of properties with values in ranges selected to promote high conductivity, high hydrophobicity, and reduced outgassing in lead acid batteries while maintaining high charge acceptance and cycleability. The carbon black has a Brunauer-Emmett-Teller (BET) surface area ranging from 100 m/g to 1100 m/g combined with one or more properties, e.g., a surface energy (SE) of 10 mJ/mor less, and/or a Raman microcrystalline planar size (L) of at least 22 &#x212b;, e.g., ranging from 22 &#x212b; to 50 &#x212b;. In some cases, the carbon black has a statistical thickness surface area (STSA) of at least 100 m/g, e.g., ranging from 100 m/g to 600 m/g.

Carbon blacks and use in electrodes for lead acid batteries

A paste suitable for a negative plate of a lead-acid battery comprises at least (a) a lead-based active material and an expander mixture comprising (b) carbon, (c) barium sulfate and (d) a lignosulfonate, wherein at least part of at least two of said components (a) to (d) are present in the paste as composite particles.

A paste suitable for a negative plate of a lead-acid battery comprises lead oxide and composite particles comprising carbon and silica.

The present invention relates to colored reflective features, e.g., reflective security features or reflective decorative features, that optionally exhibit color shifting and to inks and processes for making such features. The features, as well as the inks optionally used to form the features, comprise nanoparticles and a colorant that preferably modifies a spectrum of light that is reflected by a reflective layer formed from the nanoparticles. The processes involve forming the features from one or more inks using a direct write printing process.

Colored reflective features and inks and processes for making them

A process is described for producing a powder batch comprises a plurality of particles, wherein the particles include (a) a first catalytically active component comprising at least one transition metal or a compound thereof; (b) a second component different from said first component and capable of removing oxygen from, or releasing oxygen to, an exhaust gas stream; and (c) a third component different from said first and second components and comprising a refractory support. The process comprises providing a precursor medium comprising a liquid vehicle and a precursor to al least one of said components (a) to (c) and heating droplets of said precursor medium carried in a gas stream to remove at least part of the liquid vehicle and chemically convert said precursor to said at least one component.

Growing community of inventors

Albuquerque, NM, United States of America

Miodrag Oljaca