International Business Machines Corporation

Eastman-kodak Company

Orthogonal, Inc.

Graphenix Development, Inc.

Other

Terrence Robert O'Toole

Alfred Viehbeck

John Andrew DeFranco

Frank Xavier Byrne

Diane Carol Freeman

Douglas Robert Robello

John C Brewer

Charles Warren Wright

Ronald S Cok

Sampath Purushothaman

George Frederick Walker

Martin J Goldberg

Sandra Rubsam

Voya Rista Markovich

Jane M Shaw

Stephen L Buchwalter

Kang-Wook Lee

Elizabeth F Foster

Stephen L Tisdale

Donald G McBride

Harry R Bickford

Linda C Matthew

Peter J Duke

Eleftherios Adamopoulos

Eugene John O'Sullivan

John J Ritsko

Paul D Garman

Robert G Anstey

Tae Seok Oh

Jungihl Kim

Paul Andrew Moskowitz

Michael L Boroson

Sung Kwon Kang

Michael John Brady

Francis Michael Houlihan

Daniel L Kapp

Revathi Iyengar

Charles M Darmon

Kenneth G Harbison

Richard R Thomas

Michael Phillip Youngblood

Frank A Pettrone

Donald J Mikalsen

Sheldon C Rieley

Thomas Edward Lowe

Ernest R Frank

Mark F Sistare

Kenneth Don Fowler

Jeffrey Robert Marino

Curtis Edward Farrell

Thomas H Baum

Lubomyr Taras Romankiw

Carlos Juan Sambucetti

Thomas B Brust

Donald R Diehl

Ravi F Saraf

Margaret Jones Helber

Madhav Datta

Eric R Schmittou

Shirleyanne E Haye

Judith Marie Roldan

Meng Zhao

John M Buchanan

Leena Paivikki Buchwalter

David Leroy Cole

Philip J Zola

Shyama P Mukherjee

Philip J Dale

Alice F Tai

Kenneth Nicholas Boblak

Gary V Arbach

John Andrew Defranco

A lithium-ion battery may include a cathode, an anode, and a polymer electrolyte. The anode may include a current collector. The current collector may include a metal oxide layer provided in a first pattern overlaying a metal layer. The anode may also include a patterned lithium storage structure. The patterned lithium storage structure may include a continuous porous lithium storage layer overlaying at least a portion of the first pattern of metal oxide. These and other lithium-ion batteries are described.

Patterned anodes for lithium-based energy storage devices

An anode for use in an energy storage device is provided. The anode includes a current collector having an electrically conductive substrate and a surface layer overlaying a first side of the electrically conductive substrate. The surface layer may include a metal oxide or a metal chalcogenide. The anode may also include a lithium storage layer overlaying the surface layer. The lithium storage layer may have a total content of silicon, germanium, or a combination thereof of at least 40 atomic %. The lithium storage layer may include less than 10 atomic % carbon. The anode may also include a plurality of lithium storage filamentary structures in contact with a second side of the electrically conductive substrate. The second side is opposite the first side. The plurality of lithium storage filamentary structures may include silicon, germanium, tin, or a combination thereof.

Asymmetric anodes for lithium-based energy storage devices

An anode for an energy storage device includes a current collector. The current collector includes: i) an electrically conductive substrate including a first electrically conductive material; ii) a plurality of electrically conductive structures in electrical communication with the electrically conductive substrate, wherein each electrically conductive structure includes a second electrically conductive material; and iii) a metal oxide coating. The metal oxide coating includes one or both of: a) a first metal oxide material in contact with the electrically conductive substrate; or b) a second metal oxide material in contact with the electrically conductive structures; or both (a) and (b). The anode further includes lithium storage coating overlaying the metal oxide coating, the lithium storage layer including a total content of silicon, germanium, or a combination thereof. The electrically conductive structures are at least partially embedded within the lithium storage coating. Methods of making the anode are described.

Structured anodes for lithium-based energy storage devices

An anode for an energy storage device includes a current collector. The current collector includes: i) an electrically conductive substrate including a first electrically conductive material; ii) a plurality of electrically conductive structures in electrical communication with the electrically conductive substrate, wherein each electrically conductive structure includes a second electrically conductive material; and iii) a metal oxide coating. The metal oxide coating includes one or both of: a) a first metal oxide material in contact with the electrically conductive substrate; or b) a second metal oxide material in contact with the electrically conductive structures; or both (a) and (b). The anode further includes lithium storage coating overlaying the metal oxide coating, the lithium storage layer including a total content of silicon, germanium, or a combination thereof, of at least 40 atomic %. The electrically conductive structures are at least partially embedded within the lithium storage coating.

A method of making an anode for use in an energy storage device is provided. The method includes providing a current collector having an electrically conductive substrate and a surface layer overlaying a first side of the electrically conductive substrate. A second side of the electrically conductive substrate includes a filament growth catalyst, wherein the second side is opposite the first. The method further includes depositing a lithium storage layer onto the surface layer using a first CVD process forming a plurality of lithium storage filamentary structures on the second side of the electrically conductive substrate using second CVD process.

An anode for an energy storage device includes a current collector having a metal layer; and a metal oxide layer provided in a first pattern overlaying the metal layer. The anode further includes a patterned lithium storage structure having a continuous porous lithium storage layer selectively overlaying at least a portion of the first pattern of metal oxide. A method of making an anode for use in an energy storage device includes providing a current collector having a metal layer and a metal oxide layer provided in a first pattern overlaying the metal layer. A continuous porous lithium storage layer is selectively formed by chemical vapor deposition by exposing the current collector to at least one lithium storage material precursor gas.

A method of making an OLED device includes providing a first undercut lift-off structure over the device substrate having a first array of bottom electrodes. Next, one or more first organic EL medium layers including at least a first light-emitting layer are deposited over the first undercut lift-off structure and over the first array of bottom electrodes. The first undercut lift-off structure and overlying first organic EL medium layer(s) are removed by treatment with a first lift-off agent comprising a fluorinated solvent to form a first intermediate structure. The process is repeated using a second undercut lift-off structure to deposit one or more second organic EL medium layers over a second array of bottom electrodes. After removal of the second undercut lift-off structure, a common top electrode is provided in electrical contact with the first and second organic EL medium layers.

Photolithographic patterning of organic electronic devices

A method of patterning an organic device includes depositing a first organic functional layer over a device substrate to form a first intermediate structure, the first organic functional layer having a first function such as hole transport or electron transport. The first intermediate structure is coated with a fluoropolymer and treated in a processing agent comprising a fluorinated solvent in which the fluoropolymer is soluble to form a processed intermediate structure. A second organic functional layer is deposited over at least a portion of the first organic functional layer, the second organic functional layer also having the first function.

A method of patterning a device is disclosed using a resist precursor structure having at least two fluoropolymer layers. A first fluoropolymer layer includes a first fluoropolymer material having a fluorine content of at least 50% by weight and is substantially soluble in a first hydrofluoroether solvent or in a first perfluorinated solvent, but substantially less soluble in a second hydrofluoroether solvent relative to both the first hydrofluoroether and the first perfluorinated solvent. The second fluoropolymer layer includes a second fluoropolymer material having a fluorine content less than that of the first fluoropolymer material and is substantially soluble in the first or second hydrofluoroether solvents, but substantially less soluble in the first perfluorinated solvent relative to both the first and second hydrofluoroether solvents.

Photolithographic patterning of devices

A method of making a device includes providing a fluorinated material layer over the device substrate having one or more target areas for patterning. One or more lift-off structures are formed at least in part by developing a first pattern of one or more open areas in the fluorinated material layer in alignment with the one or more target areas by contact with a developing agent including a fluorinated solvent which dissolves the fluorinated material at a first rate. After patterning, the lift-off structures are removed by contact with a lift-off agent including a fluorinated solvent wherein the lift-off agent dissolves the fluorinated material at a second rate that is at least 150 nm/sec and higher than the first rate.

Color OLED display with a larger aperture ratio

A fluorinated photopolymer composition is disclosed having a branched copolymer provided in a fluorinated solvent. The copolymer includes a branching unit, a first repeating unit having a fluorine-containing group, and a second repeating unit having a solubility-altering reactive group. The branched fluorinated photopolymer composition is particularly suited for the fabrication of organic electronic and bioelectronic devices, or other devices having sensitive active organic materials.

Patterning devices using branched fluorinated photopolymers

A method of patterning a device includes forming a fluorinated photopolymer layer over a device substrate. The photopolymer layer has a lower portion proximate the device substrate and an upper portion distal the device substrate. The fluorinated photopolymer layer includes a radiation-absorbing dye and a fluorinated photopolymer having a solubility-altering reactive group. The photopolymer layer is exposed to patterned radiation to form exposed and unexposed areas in accordance with the patterned radiation and a developed structure is formed by removing unexposed areas using a developing agent that includes a first fluorinated solvent. The lower portion of the exposed area of the photopolymer layer has a dissolution rate in the developing agent that is at least 5 times higher than a dissolution rate for the upper portion.

Photolithographic patterning of electronic devices

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Webster, NY, United States of America

Terrence Robert O'Toole