UChicago Argonne, LLC

Bayerische Motoren Werke Aktiengesellschaft

Air Products and Chemicals, Inc.

Zonghai Chen

Khalil Amine

Ilias Belharouak

Zhengcheng Zhang

Gui-Liang Xu

Lu Zhang

Daniel R Vissers

Ujjal Das

John Thomas Vaughey

Osman Eryilmaz

Ali Abouimrane

Andrew Norbert Jansen

Fikile Richard Brushett

Qingzheng Wang

Rachid Amine

Xiaoqiao Zeng

Billur Deniz Karahan

Guiliang Xu

Ozgul Keles

Jianzhao Liu

Filippo Maglia

A lithium or sodium battery includes a cathode containing manganese; an anode containing an active anode material; a separator; an electrolyte; and a transition metal ion sequestration agent; wherein the transition metal ion sequestration agent contains a micron or nano-sized inorganic compound and the transition metal ion sequestration agent is located at the anode, in the electrolyte, or any combination thereof.

Materials to improve the performance of lithium and sodium batteries

An active cathode material containing particles with a core containing a lithium transition metal oxide, each core at least partially encapsulated by a layer including the lithium transition metal oxide and dopant cation; and an outer layer containing metal oxide; wherein the dopant cation is selected from the group consisting of Al, Ti, Sn, Mg, Zr, Cu, Fe, Ca, W, Ga, Sc, Y, La, Hf, V, In, Nb, Ta, and any combination of two or more thereof; and the dopant cation is present in an amount of 10 wt. % or less of the particle.

Cathode materials for secondary batteries

An electrochemical device includes an anode containing a phosphorus-carbon composite including a conductive carbon matrix and nano-sized phosphorus particles, wherein the nano-sized phosphorus particles are uniformly dispersed on the surface and/or pores of the carbon matrix.

Phosphorus-carbon composites as battery anode materials

An electrochemical device includes a cathode including elemental selenium, elemental sulfur, or selenium-sulfur containing composite; a negative electrode; a separator; and an electrolyte including a poly(alkyleneoxide) siloxane; and a salt; wherein a concentration of the salt in the electrolyte is sufficient to minimize dissolution of polysulfides/polyselenides formed during cycling of the device.

Poly(alkylene oxide) siloxane-based electrolytes for rechargeable batteries

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 lithium or sodium battery includes a cathode containing manganese; an anode containing an active anode material; a separator; an electrolyte; and a transition metal ion sequestration agent; wherein the transition metal ion sequestration agent contains a micron or nano-sized inorganic compound and the transition metal ion sequestration agent is located on and/or within the separator; on and/or within the anode; in the electrolyte; or any combination thereof.

An electrochemical device includes an anode, a separator, a cathode comprising a selenium-doped sulfur/carbon composite that includes a conductive carbon matrix and nano-sized selenium-doped sulfur particles of formula SSe, where a ratio of x:y is from 2.5 to 1000, and an electrolyte comprising a salt and a non-aqueous fluorinated ether solvent.

Selenium-doped sulfur cathodes for rechargeable batteries

A cathode active material includes NaMOhaving at least a first phase, a second phase different from the first phase, and a third phase that is different from the first and second phases, wherein each phase is independently selected from Pm or On, where m and n are individually an integer, M is a transition metal or a mixture of transition metals, and x is greater than 0 and less than or equal to 1.

High performance layered cathode materials for high voltage sodium-ion batteries

An active material for an electrochemical device wherein a surface of the active material is modified by a surface modification agent, wherein the surface modification agent is an organometallic compound.

Surface modification agents for lithium batteries

A lithium-air cell includes a negative electrode; an air positive electrode; and a non-aqueous electrolyte which includes an anion receptor that may be represented by one or more of the formulas. 

Non-aqueous electrolytes for lithium-air batteries

The present invention provides a non-aqueous redox flow battery comprising a negative electrode immersed in a non-aqueous liquid negative electrolyte, a positive electrode immersed in a non-aqueous liquid positive electrolyte, and a cation-permeable separator (e.g., a porous membrane, film, sheet, or panel) between the negative electrolyte from the positive electrolyte. During charging and discharging, the electrolytes are circulated over their respective electrodes. The electrolytes each comprise an electrolyte salt (e.g., a lithium or sodium salt), a transition-metal free redox reactant, and optionally an electrochemically stable organic solvent. Each redox reactant is selected from an organic compound comprising a conjugated unsaturated moiety, a boron cluster compound, and a combination thereof. The organic redox reactant of the positive electrolyte is selected to have a higher redox potential than the redox reactant of the negative electrolyte.

Organic non-aqueous cation-based redox flow batteries

The present invention is generally related to electrolytes containing anion receptor additives to enhance the power capability of lithium-ion batteries. The anion receptor of the present invention is a Lewis acid that can help to dissolve LiF in the passivation films of lithium-ion batteries. Accordingly, one aspect the invention provides electrolytes comprising a lithium salt; a polar aprotic solvent; and an anion receptor additive; and wherein the electrolyte solution is substantially non-aqueous. Further there are provided electrochemical devices employing the electrolyte and methods of making the electrolyte.

Non-aqueous electrolytes for lithium ion batteries

Lithium-air cells employing poly(ethyleneoxide) phosphate-based electrolytes may be prepared and exhibit improved charge carrying capacity. Such PEO phosphates generally have the formulas IIa, IIb, IIc, where: 

Lithium batteries using poly(ethylene oxide)-based non-aqueous electrolytes

A method includes modifying a surface of an electrode active material including providing a solution or a suspension of a surface modification agent; providing the electrode active material; preparing a slurry of the solution or suspension of the surface modification agent, the electrode active material, a polymeric binder, and a conductive filler; casting the slurry in a metallic current collector; and drying the cast slurry.

A compound has general Formula I, II, III, or IV: where X and Y are independently a group of Formula (A): andZ a group of Formula (B): The compounds may be used in electrolytes and electrochemical devices.

Growing community of inventors

Bolingbrook, IL, United States of America

Zonghai Chen