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1. WO2016145429 - NOVEL ELECTRO-SPUN SULFUR WIRE FOR FABRICATING MATTES OF LITHIUM-SULFUR BATTERIES

Publication Number WO/2016/145429
Publication Date 15.09.2016
International Application No. PCT/US2016/022283
International Filing Date 14.03.2016
IPC
C08K 3/06 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
02Elements
06Sulfur
C08K 3/04 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
02Elements
04Carbon
C08L 101/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
101Compositions of unspecified macromolecular compounds
D01D 5/00 2006.01
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
5Formation of filaments, threads, or the like
D04H 1/728 2012.01
DTEXTILES; PAPER
04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING
1Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
70characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
72the fibres being randomly arranged
728by electro-spinning
H01M 4/13 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
CPC
B82Y 30/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
30Nanotechnology for materials or surface science, e.g. nanocomposites
C08L 101/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
101Compositions of unspecified macromolecular compounds
D01D 1/02
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
1Treatment of filament-forming or like material
02Preparation of spinning solutions
D01D 5/00
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
5Formation of filaments, threads, or the like
D01D 5/003
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
5Formation of filaments, threads, or the like
0007Electro-spinning
0015characterised by the initial state of the material
003the material being a polymer solution or dispersion
D01D 5/34
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
5Formation of filaments, threads, or the like
28while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
30Conjugate filaments; Spinnerette packs therefor
34Core-skin structure; Spinnerette packs therefor
Applicants
  • UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION [US]/[US]
Inventors
  • KUMTA, Prashant N.
  • HANUMANTHA, Prashanth Jampani
  • GATTU, Bharat
  • SHANTHI, Pavithra Murugavel
Agents
  • MARMO, Carol A.
Priority Data
62/132,01412.03.2015US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) NOVEL ELECTRO-SPUN SULFUR WIRE FOR FABRICATING MATTES OF LITHIUM-SULFUR BATTERIES
(FR) NOUVEAU FIL DE SOUFRE ÉLECTROFILÉ POUR LA FABRICATION DE MATTES DE BATTERIES AU LITHIUM-SOUFRE
Abstract
(EN)
The invention relates to lithium-based battery systems and, more particularly, to electro-spinable solution compositions, electro-spun sulfur-polymer fibers, e.g., wires and yarns, and their use in preparing high performance sulfur mattes, e.g., electrodes, for lithium-sulfur batteries with potential applications in small-scale mobile devices. The sulfur-polymer fibers have nanoscale dimensions and yarn-like morphology. The sulfur-polymer fibers can be prepared by co-dissolving sulfur and polymer in a solvent for forming the electro-spinable solution, and electrospinning the solution. The electrospun fibers can be used to form a composite that includes alternating layers of the electrospun fibers and polymer on a current collector.
(FR)
L'invention concerne des systèmes de batterie à base de lithium et, plus particulièrement, des compositions de solution pouvant être électrofilées, des fibres électrofilées de soufre-polymère, par exemple des fils et des câbles, et leur utilisation dans la préparation de mattes de soufre à haute performance, par exemple des électrodes, pour des batteries au lithium-soufre avec des applications potentielles dans des dispositifs mobiles de petite échelle. Les fibres de soufre-polymère présentent des dimensions nanométriques et une morphologie de type fil. Les fibres de soufre-polymère peuvent être préparées par codissolution de soufre et de polymère dans un solvant pour former la solution pouvant être électrofilée et par électrofilage de la solution. Les fibres électrofilées peuvent être utilisées pour former un composite qui comprend des couches alternées de fibres électrofilées et de polymère sur un collecteur de courant.
Also published as
Latest bibliographic data on file with the International Bureau