UChicago Argonne, LLC

Ali Abouimrane

Khalil Amine

Huiming Wu

Jeffrey S Moore

Zonghai Chen

Ilias Belharouak

Osman Eryilmaz

Wei Weng

Junbing Yang

Rachid Amine

Susan A Odom

Ozgul Keles

Billur Deniz Karahan

Jianguo Ren

Anodic materials for lithium ions batteries include a current collector and a superlattice disposed on at least a portion of the current collector, the superlattice comprising: alternating layers of an anode active material and an anode inactive material; and a plurality of channels that extend from the current collector through the alternating layers of anode active material and anode inactive material.

Patterned anode for lithium-ion batteries

A secondary battery including a cathode having a primary cathode active material and an alkaline source material selected from the group consisting of NaO, NaO, NaS, NaF, NaCl, NaBr, LiO, LiO, LiS, LiF, LiCl, LiBr, NaO, NaO, NaS, NaF, NaCl, and a mixture of any two or more thereof; an anode having an anode active material; an electrolyte; and a separator.

Electroactive materials for rechargeable batteries

An electrode includes selenium, a selenium-containing compound, selenium-carbon composite, a selenium-containing compound-carbon composite, or a mixture thereof; a carbon electronic conductor; a binder; and a current collector; wherein: the electrode is a solid electrode.

Electrode materials for rechargeable batteries

An electrochemical device includes a composite material of general Formula (1-x)J-(x)Q wherein: J is a metal carbon alloy of formula SnSiMetMet'C; Q is a metal oxide of formula AMM&#x2032;O; and wherein: A is Li, Na, or K; M and M&#x2032; are individually Ge, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd; Met and Met&#x2032; are individually Ge, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd; 0&#x3c;x&#x3c;1; &#x3b3; is 0, 1, or 2; 0&#x3c;&#x3b1;&#x2266;1; 0&#x2266;&#x3b1;&#x2032;&#x2266;1; &#x3b2; is 0.5, 1, 2, or 3; 0&#x3c;t&#x2266;5; 1&#x2266;w&#x2266;5; 0&#x3c;w&#x2032;&#x2266;5; 1&#x2266;z&#x2266;5; and 0&#x3c;z&#x2032;&#x2266;5.

Anode materials for lithium ion batteries

A process for producing nanocomposite materials for use in batteries includes electroactive materials are incorporated within a nanosheet host material. The process may include treatment at high temperatures and doping to obtain desirable properties.

Composite materials for battery applications

A process for forming a surface-treatment layer on an electroactive material includes heating the electroactive material and exposing the electroactive material to a reducing gas to form a surface-treatment layer on the electroactive material, where the surface-treatment layer is a layer of partial reduction of the electroactive material.

Electrode materials

A secondary battery including a cathode having a primary cathode active material and an alkaline source material selected from the group consisting of LiO, LiO, LiS, LiF, LiCl, LiBr, NaO, NaO, NaS, NaF, NaCl, and a mixture of any two or more thereof; an anode having an anode active material; an electrolyte; and a separator.

A process includes suspending an electroactive material in a solvent, suspending or dissolving a carbon precursor in the solvent; and depositing the carbon precursor on the electroactive material to form a carbon-coated electroactive material. Compositions include a graphene-coated electroactive material prepared from a solution phase mixture or suspension of an electroactive material and graphene, graphene oxide, or a mixture thereof.

Coated electroactive materials

A rechargeable battery includes a compound having at least two active sites, Rand R; wherein the at least two active sites are interconnected by one or more conjugated moieties; each active site is coordinated to one or more metal ions Mor each active site is configured to coordinate to one or more metal ions; and 'a' is 1, 2, or 3.

Organic active materials for batteries

An electrolyte includes a polar aprotic solvent; an alkali metal salt; and an electrode stabilizing compound that is a monomer, which when polymerized forms an electrically conductive polymer. The electrode stabilizing compound is a thiophene, a imidazole, a anilines, a benzene, a azulene, a carbazole, or a thiol. Electrochemical devices may incorporate such electrolytes.

Electrode stabilizing materials

A composite material has general Formula (1-x)J-(x)Q wherein: J is a metal carbon alloy of formula SnSiMetMet'C; Q is a metal oxide of formula AMM&#x2032;O; A is Li, Na, or K; M, M&#x2032;, Met, and Met&#x2032; are individually Ge, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd; 0&#x3c;x&#x3c;1; &#x3b3; is 0, 1, or 2; 0&#x3c;&#x3b1;&#x2266;1; 0&#x2266;&#x3b1;&#x2032;&#x2266;1; &#x3b2; is 0.5, 1, 2, or 3; 0&#x3c;t&#x2266;5; and the sum of z, z&#x2032;, w, and w&#x2032; is greater than 0.

An as-prepared cathode for a secondary battery, the cathode including an alkaline source material including an alkali metal oxide, an alkali metal sulfide, an alkali metal salt, or a combination of any two or more thereof.

Selenium or selenium-containing compounds may be used as electroactive materials in electrodes or electrochemical devices. The selenium or selenium-containing compound is mixed with a carbon material.

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Naperville, IL, United States of America

Ali Abouimrane