27results about "Solid electrolyte cells" patented technology

Provided is a battery including a positive electrode layer, a negative electrode layer, and an electrolyte layer disposed between the positive electrode layer and the negative electrode layer, in which the electrolyte layer contains a polymer having an ability to preferentially conduct metal ions, and a thickness ratio between the positive electrode layer and the electrolyte layer is 10:1 to 0.5:1.

A flexible energy storage device with a glycerol-based gel electrolyte is provided. The flexible energy storage device can include a pair of electrodes separated by the gel electrolyte. The electrolytes can be in gel form, bendable and stretchable in a device. The gel electrolyte can include glycerol, redox-active molybdenum-containing ions, and a secondary ionic substance. The secondary ionic substance can include a salt. The gel electrolyte can have a density of 1.4 to 1.9 g / cm3 and an ionic conductivity of 2.3×10−4 to 3.2×10−4 Scm−1. The flexible energy storage device may retain greater than 95% of an unbent energy storage capacity when bent at an angle of 10 to 170°.

A solid electrolyte material according to the present disclosure includes a crystal phase that includes Li, Zr, Al and F. In an X-ray diffraction pattern for the solid electrolyte material obtained by X-ray structural analysis using Cu–Kα rays, has: at least two peaks in a first range of diffraction angles 2θ between 21.2° and 23.5°; at least two peaks in a second range of diffraction angles 2θ between 29.3° and 31.8°; and at least two peaks in a third range of diffraction angles 2θ between 37° and 40.3°.

An electrochemical cell having a cathode comprising a fluorinated carbon nanotube (F-CNT), an anode and a solid electrolyte; wherein the solid electrolyte comprises an electrolyte component comprising i. 5 to 50 wt.% of an alkali metal-containing electrolyte salt, and ii. 50 to 95 wt.% of a polymer. Embodiments do not require a carbon-based conductive-adjuvant in the cathode. The thickness of the solid electrolyte may be least 5 microns. A container comprising cell may have space to allow for thermal expansion thereof. They may be used at elevated temperatures greater than 65 °C. or more, such as in a subterranean well.

The present disclosure provides an electrolyte composition including a polymer having an ability to preferentially conduct alkali metal ions, and an ionic compound, wherein the ionic compound includes an anion having a donor number of 37 or less as measured for a 1-ethyl-3-methylimidazolium salt.

Cathode active materials coated with a boron-containing additive are useful for suppressing thermal events when used in an electrochemical cell. Electrochemical cells may include a cathode layer that includes a boron additive, or may include a layer that contains the boron additive.

The present disclosure provides an electrolyte composition including a polymer having an ability to preferentially conduct alkali metal ions, an alkali metal salt, a film-forming additive, and an organic solvent.

The present technology relates to thiol functionalized conductors which can be grafted onto polymers and methods for making same. In certain embodiments, the thiol functionalized conductors can be grafted onto polymers with low Tg to synthesize single-ion conducting polymer electrolytes (SIPE) having improved conductivity. The thiol functionalized conductor compound comprises a covalently attached sulfonimide anion on one end, which is associated with a monovalent cation; 1-3 hydrocarbon chains as the linker (L); 0-2 functional groups (R); and a thiol group on the other end of the compound.

A composition of the present disclosure includes a compound including Li and at least one selected from the group consisting of Zr, Al, and F, and a solvent. The compound is particulate and has an average particle size of less than 0.68 μm. A battery 1000 of the present disclosure includes a positive electrode 201, a negative electrode 203, and an electrolyte layer 202 provided between the positive electrode 201 and the negative electrode 203, wherein at least one selected from the group consisting of the positive electrode 201, the negative electrode 203, and the electrolyte layer 202 includes the solidified composition of the present disclosure.

Provided are: an electrochemical element having excellent reliability and productivity; an electrode laminate for constituting said electrochemical element; and a manufacturing method therefor.　This electrode laminate comprises a first electrode, a second electrode, and a solid electrolyte layer interposed therebetween, wherein: at least one electrode among the first electrode and the second electrode has an electrode mixture layer that is obtained by pressure-molding a powdery electrode mixture and has a circular outer peripheral edge having a diameter D in a plan view, and a sheet-like porous metal substrate; the porous metal substrate is integrated with the electrode mixture layer by embedding, in a surface layer part of the electrode mixture layer, at least one portion including an end part on the side of the electrode mixture layer; the porous metal substrate has an approximately polygonal shape in a plan view, and all corner parts of the approximately polygonal shape are positioned between the outer peripheral edge of the electrode mixture layer and a concentric circle of the outer peripheral edge of the electrode mixture layer, which has a diameter of 0.7 D. This electrochemical element is obtained by sealing said electrode laminate within an exterior body.

The solid electrolyte material disclosed herein contains Li, M, Al, O and X, wherein M is selected from at least one of Ta and Nb, and X is selected from at least one of F, Cl and Br.

An electrochemical cell having a cathode comprising a fluorinated carbon nanotube (F-CNT), an anode and a solid electrolyte; wherein the solid electrolyte comprises an electrolyte component comprising 50 to 95 wt.% of an alkali metal-containing electrolyte salt, and 5 to 50 wt.% of a polymer. Embodiments do not require a carbon-based conductive-adjuvant in the cathode. The thickness of the solid electrolyte may be least 5 microns. A container comprising the cell may have space to allow for thermal expansion thereof. They may be used at elevated temperatures greater than 65 °C or more, such as in a subterranean well.

Provided is a solid-state battery capable of reducing internal resistance and preventing short circuit. The solid-state battery of the present application has one or more battery constitution units including a positive electrode layer and a negative electrode layer laminated with a solid electrolyte layer interposed therebetween, the positive electrode layer and the negative electrode layer have a central portion and an outer edge portion surrounding the central portion in plan view, at least one of the positive electrode layer and the negative electrode layer satisfies 1.05 ≤ (maximum value of film thickness of the outer edge portion) / (average film thickness of the central portion) < 1.34, and (average film thickness of the solid electrolyte layer) / (average film thickness of the central portion) > 0.35.

The present application provides an electrode assembly, a battery cell, a battery apparatus, an electrical apparatus, and a manufacturing method. The electrode assembly comprises a first electrode sheet, a first solid-state electrolyte layer, a second electrode sheet, a second solid-state electrolyte layer, and an insulating layer. The first electrode sheet comprises a first main body portion and a first tab. The first solid-state electrolyte layer is provided on the first main body portion. The first electrode sheet and the second electrode sheet have opposite polarities. The second electrode sheet comprises a second main body portion. The area of the second main body portion is greater than the area of the first main body portion. The second solid-state electrolyte layer is provided on the second main body portion. The second solid-state electrolyte layer is located between the first solid-state electrolyte layer and the second main body portion. The area of the second solid-state electrolyte layer is greater than the area of the first solid-state electrolyte layer. The insulating layer is disposed at an edge of the second solid-state electrolyte layer. The insulating layer is disposed facing the first electrode sheet. The insulating layer has a notch. The first tab is disposed corresponding to the notch.

Solid polymer electrolyte materials comprising an anionic thermoplastic rubber matrix. The present invention relates to a solid polymer electrolyte material comprising an alkali metal salt and a thermoplastic rubber matrix, wherein the thermoplastic rubber matrix comprises a mixture of at least one crosslinked elastomer phase and at least one thermoplastic polymer phase, said crosslinked elastomer phase comprising elastomer polymer chains bearing one or more anionic groups. Figure for the abstract: None

Electrochemical Cell with a Salt-in-Polymer Electrolyte, a System comprising the Cell and a Method of Using an associated Cathode An electrochemical cell having a cathode comprising a fluorinated carbon nanotube (F-CNT), an anode and a solid electrolyte; wherein the solid electrolyte comprises an electrolyte component comprising i. 5 to 50 wt.% of an alkali metal-containing electrolyte salt, and ii. 50 to 95 wt.% of a polymer. Embodiments do not require a carbon-based conductive-adjuvant in the cathode. The thickness of the solid electrolyte may be least 5 microns. A container comprising cell may have space to allow for thermal expansion thereof. They may be used at elevated temperatures greater than 65 °C. or more, such as in a subterranean well.

The present invention provides an all-solid-state battery with excellent load characteristics and electrodes capable of forming the all-solid-state battery. [Solution] The electrode for an all-solid-state battery of the present invention comprises a molded body of an electrode mixture, the electrode mixture comprises an electrode material composite, the electrode material composite consists of a granule comprising an active material and a solid electrolyte, the solid electrolyte comprises a granular argyrodite-type sulfide-based solid electrolyte, and the granule has the following characteristics (1) and (2) when observed in cross-section of the molded body of the electrode mixture. (1) The primary particles of the active material are aggregated in groups of 10 or more, and there are gaps between the primary particles of the active material that are 0.5 μm or more and 5 μm or less. (2) The active material has a solid electrolyte containing the granular argyrodite-type sulfide solid electrolyte between the primary particles.

The present disclosure provides an electric power generation element with improved power generation efficiency. An electric power generation element according to the present disclosure includes a first electrode, a second electrode, and a solid electrolyte layer. The first electrode splits water. The solid electrolyte layer is disposed between the first electrode and the second electrode. A resistance value R of the solid electrolyte layer satisfies R<50Ω. The solid electrolyte layer conducts, for example, ions generated by the splitting of water at the first electrode toward the second electrode.

An electrochemical cell having a cathode comprising a fluorinated carbon nanotube (F-CNT), an anode and a solid electrolyte; wherein the solid electrolyte comprises an electrolyte component comprising 50 to 95 wt.% of an alkali metal-containing electrolyte salt, and 5 to 50 wt.% of a polymer. Embodiments do not require a carbon-based conductive-adjuvant in the cathode. The thickness of the solid electrolyte may be least 5 microns. A container comprising the cell may have space to allow for thermal expansion thereof. They may be used at elevated temperatures greater than 65 °C or more, such as in a subterranean well.

The present disclosure provides an electrolyte composition, including: a polymer (A) that has an anionic functional group and an alkali metal ion as a counter cation of the anionic functional group, wherein the dissociation energy between lithium ions and the anionic functional group is 150 kcal / mol or more; an ionic compound; and a non-ionic organic solvent.

A solid electrolyte material according to the present disclosure contains Li, Zr, Al and F. The specific surface area of the solid electrolyte material is greater than 3.2 m2 / g. This battery 1000 comprises a positive electrode 201, a negative electrode 203, and an electrolyte layer 202 disposed between the positive electrode 201 and the negative electrode 203, wherein at least one selected from the group consisting of the positive electrode 201, the negative electrode 203, and the electrolyte layer 202 contains the solid electrolyte material.

This production method is a method for producing a sulfide solid electrolyte using a starting material composition containing a lithium (Li) element, a phosphorus (P) element, and a sulfur (S) element. The raw material composition contains at least one sulfur-containing component that contains a sulfur (S) element, and at least one sulfur-free component that does not contain a sulfur (S) element. D1 is 5.0 * D2 or less, where D1 is the volume cumulative particle diameter D50 at a cumulative volume of 50 vol% as determined by a laser diffraction scattering particle size distribution measurement method for at least one of the sulfur-containing components, and D2 is the volume cumulative particle diameter D50 at a cumulative volume of 50 vol% as determined by a laser diffraction scattering particle size distribution measurement method for at least one of the sulfur-free components. The volume cumulative particle diameter (D50) of at least one of the sulfur-containing components is 50 [mu] m or less.

Processes for producing sulfide-based solid electrolytes include preparing a slurry by mixing a solvent with an alkali metal sulfide having a surface area greater than 6 m2 / g or an alkaline earth metal sulfide having a surface area greater than 6 m2 / g and a secondary sulfide. The slurry is then dried to produce the sulfide-based solid electrolyte.

A cell assembly has a plurality of first electrodes, a plurality of second electrodes and a plurality of solid electrolyte layers. The solid electrolyte layers have a protrusion in at least one of the solid electrolyte layers. The protrusion is aligned with a first electrode tab of one of the first electrodes. The folding of the first electrode tabs causes the protrusions to be positioned to separate the first electrode tabs from the second electrodes, thus preventing short circuit between the first electrode tabs and second electrodes. In one aspect, the disclosure provides an all solid-state battery comprising one or more anodes, one or more cathodes and one or more solid electrolyte layers with a protrusion. Also disclosed is a method for preparing same.