H01M10/0565

Solid electrolyte composition, sheet for all-solid state secondary battery, electrode sheet for all-solid state secondary battery, all-solid state secondary battery, method of manufacturing sheet for all-solid state secondary battery, and method of manufacturing all-solid state secondary battery

A solid electrolyte composition includes: an inorganic solid electrolyte; binder particles having an average particle size of 1 nm to 10 μm; and a dispersion medium, in which the binder particles include a polymer that includes a component derived from a polymerizable compound having a molecular weight of lower than 1,000, and the component includes at least one of an aliphatic hydrocarbon chain to which 10 or more carbon atoms are bonded or a siloxane structure as a side chain of the polymer. The solid electrolyte composition is used in the sheet for an all-solid state secondary battery, the electrode sheet for an all-solid state secondary battery, the all-solid state secondary battery, the method of manufacturing a sheet for an all-solid state secondary battery, and the method of manufacturing an all-solid state secondary battery.

Solid electrolyte composition, sheet for all-solid state secondary battery, electrode sheet for all-solid state secondary battery, all-solid state secondary battery, method of manufacturing sheet for all-solid state secondary battery, and method of manufacturing all-solid state secondary battery

A solid electrolyte composition includes: an inorganic solid electrolyte; binder particles having an average particle size of 1 nm to 10 μm; and a dispersion medium, in which the binder particles include a polymer that includes a component derived from a polymerizable compound having a molecular weight of lower than 1,000, and the component includes at least one of an aliphatic hydrocarbon chain to which 10 or more carbon atoms are bonded or a siloxane structure as a side chain of the polymer. The solid electrolyte composition is used in the sheet for an all-solid state secondary battery, the electrode sheet for an all-solid state secondary battery, the all-solid state secondary battery, the method of manufacturing a sheet for an all-solid state secondary battery, and the method of manufacturing an all-solid state secondary battery.

ANNEALED GARNET ELECTROLYTE SEPARATORS

Set forth herein are pellets, thin films, and monoliths of lithium-stuffed garnet electrolytes having engineered surfaces. These engineered surfaces have a list of advantageous properties including, but not limited to, low surface area resistance, high Li.sup.+ ion conductivity, low tendency for lithium dendrites to form within or thereupon when the electrolytes are used in an electrochemical cell. Other advantages include voltage stability and long cycle life when used in electrochemical cells as a separator or a membrane between the positive and negative electrodes. Also set forth herein are methods of making these electrolytes including, but not limited to, methods of annealing these electrolytes under controlled atmosphere conditions. Set forth herein, additionally, are methods of using these electrolytes in electrochemical cells and devices. The instant disclosure further includes electrochemical cells which incorporate the lithium-stuffed garnet electrolytes set forth herein.

ANNEALED GARNET ELECTROLYTE SEPARATORS

Set forth herein are pellets, thin films, and monoliths of lithium-stuffed garnet electrolytes having engineered surfaces. These engineered surfaces have a list of advantageous properties including, but not limited to, low surface area resistance, high Li.sup.+ ion conductivity, low tendency for lithium dendrites to form within or thereupon when the electrolytes are used in an electrochemical cell. Other advantages include voltage stability and long cycle life when used in electrochemical cells as a separator or a membrane between the positive and negative electrodes. Also set forth herein are methods of making these electrolytes including, but not limited to, methods of annealing these electrolytes under controlled atmosphere conditions. Set forth herein, additionally, are methods of using these electrolytes in electrochemical cells and devices. The instant disclosure further includes electrochemical cells which incorporate the lithium-stuffed garnet electrolytes set forth herein.

ENHANCED CYCLE LIFETIME WITH GEL ELECTROLYTE FOR MNO2 NANOWIRE CAPACITORS
20230230776 · 2023-07-20 ·

A nanowire energy storage device such as a nanowire battery or a capacitor having a cathode comprising a plurality of nanowires and an anode comprising a plurality of nanowires interlaced with the plurality of nanowires of the cathode, and embedded in a PMMA gel electrolyte.

ENHANCED CYCLE LIFETIME WITH GEL ELECTROLYTE FOR MNO2 NANOWIRE CAPACITORS
20230230776 · 2023-07-20 ·

A nanowire energy storage device such as a nanowire battery or a capacitor having a cathode comprising a plurality of nanowires and an anode comprising a plurality of nanowires interlaced with the plurality of nanowires of the cathode, and embedded in a PMMA gel electrolyte.

Electrolyte materials for use in electrochemical cells

Electrolyte materials for use in electrochemical cells, electrochemical cells comprising the same, and methods of making such materials and cells, are generally described. In some embodiments, the materials, processes, and uses described herein relate to electrochemical cells comprising sulfur and lithium such as, for example, lithium sulfur batteries.

Electrolyte materials for use in electrochemical cells

Electrolyte materials for use in electrochemical cells, electrochemical cells comprising the same, and methods of making such materials and cells, are generally described. In some embodiments, the materials, processes, and uses described herein relate to electrochemical cells comprising sulfur and lithium such as, for example, lithium sulfur batteries.

Hydrocarbon polymers containing ammonium functionality

Described herein are cationic polymers having a plurality of quaternary amino groups, methods of making such polymers, and uses of such polymers as ion exchange membranes in electrochemical devices.

Electrolyte having differential ion conductivity and lithium secondary battery comprising same

A lithium secondary battery including a negative electrode, a positive electrode, a first electrolyte layer facing the negative electrode; and a second electrolyte layer present on the first electrolyte layer, wherein the first electrolyte layer has a higher ion conductivity than the second electrolyte layer, and a lithium secondary battery comprising the electrolyte described above.