C01B25/45

SOLID STATE BATTERY
20220352548 · 2022-11-03 ·

A solid state battery that includes at least one battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer, wherein at least the solid electrolyte layer includes a plurality of solid electrolyte particles having a portion in which a constituent ratio of a transition metal element to all metal elements, excluding lithium, is 0.0% to 15%.

SOLID STATE BATTERY
20220352548 · 2022-11-03 ·

A solid state battery that includes at least one battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer, wherein at least the solid electrolyte layer includes a plurality of solid electrolyte particles having a portion in which a constituent ratio of a transition metal element to all metal elements, excluding lithium, is 0.0% to 15%.

POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY MODULE AND BATTERY SYSTEM USING THE SAME
20220352514 · 2022-11-03 · ·

A positive electrode (1) for non-aqueous electrolyte secondary batteries, including a collector (11) and an active material layer (12), wherein a spreading resistance distribution of the layer (12) shows a profile with a sum of frequencies of resistance values 4.0 to 6.0 (log Ω) accounting for 0.0 to 5.0% relative to a total, 100%, of frequencies of resistance values 4.0 to 12.5 (log Ω). A positive electrode (1) for non-aqueous electrolyte secondary batteries, including a collector (11) and an active material layer (12), wherein the layer (12) includes an active material and a conductive carbon material, and an amount of a low-resistance conductive carbon material having a resistivity of 0.10 Ω.Math.cm or less is 0.5% by mass or less, based on a total mass of the layer (12). A positive electrode (1) for non-aqueous electrolyte secondary batteries, including a collector (11) and an active material layer (12), wherein the active material has a coated section including a conductive material, and the layer (12) has a powder resistivity of 10 to 1,000 Ω.Math.cm.

METHOD FOR MANUFACTURING POSITIVE ELECTRODE MATERIAL FOR ELECTRICITY STORAGE DEVICE
20220344631 · 2022-10-27 ·

The present invention provides a method for manufacturing a positive electrode material for an electricity storage device that can reduce excessive reactions between particles of a positive electrode active material precursor powder and between the positive electrode active material precursor powder and a solid electrolyte during thermal treatment to achieve excellent charge and discharge characteristics. A method for manufacturing a positive electrode material for an electricity storage device includes the step of subjecting a raw material containing a positive electrode active material precursor powder made of an amorphous oxide material to thermal treatment, wherein the positive electrode active material precursor powder has a crystallization temperature of 490° C. or lower.

METHOD OF PRODUCING INORGANIC MATERIAL AND APPARATUS OF PRODUCING INORGANIC MATERIAL

A method of producing an inorganic material (S10) according to the present invention includes a vitrification step (S12) of applying shearing stress and compressive stress to a mixed powder (MP) of a plurality of kinds of inorganic compound powders by using a ring ball mill mechanism (70) to vitrify at least a part of the mixed powder (MP); and a dispersion step (S13) of dispersing the vitrified mixed powder (MP) after the vitrification step (S12), where a combined step of the vitrification step (S12) and the dispersion step (S13) is performed a plurality of times to obtain a vitrified inorganic material powder from the mixed powder.

PROCESS FOR THERMALLY TREATING A BATTERY MATERIAL IN A THERMAL REACTOR

The invention relates to a process for thermally treating, in particular synthesizing and/or drying and calcinating, a nano- and/or micro-scale or nano- and/or micro-crystalline battery material (BM) and/or battery material precursor (BM) in a thermal reactor (1), comprising the steps of: introducing a starting compound (AV) into the reactor (1), the starting material (AV) being a battery material (BM) and/or battery material precursor (BM) and the starting material (AV) being introduced into the reactor (1) in the form of a solution, slurry, suspension or in a solid state of matter, thermally treating the battery material (BM) and/or battery material precursor (BM) carried in a hot gas flow (HGS) in a treatment zone in the reactor (1) at a temperature of 150° C. to 1000° C., and discharging the battery material (BM) obtained from the reactor (1) in the form of a powder.

ALL-SOLID-STATE BATTERY
20230126501 · 2023-04-27 · ·

An all-solid-state battery having a positive electrode layer including a positive electrode current collector layer and a positive electrode active material layer, a negative electrode layer including a negative electrode current collector layer and a negative electrode active material layer, and a solid electrolyte layer containing a solid electrolyte, and the positive electrode active material layer and the negative electrode active material layer each contain carbon particles having an average interplanar spacing d002 of smaller than 0.342 (nm).

LiFePO4 precursor for manufacturing electrode material of Li-ion battery and method for manufacturing the same

An LiFePO.sub.4 precursor for manufacturing an electrode material of an Li-ion battery and a method for manufacturing the same are disclosed. The LiFePO.sub.4 precursor of the present disclosure can be represented by the following formula (I):
LiFe.sub.(1-a)M.sub.aPO.sub.4  (I)
wherein M and a are defined in the specification, the LiFePO.sub.4 precursor does not have an olivine structure, and the LiFePO.sub.4 precursor is powders constituted by plural flakes.

LiFePO4 precursor for manufacturing electrode material of Li-ion battery and method for manufacturing the same

An LiFePO.sub.4 precursor for manufacturing an electrode material of an Li-ion battery and a method for manufacturing the same are disclosed. The LiFePO.sub.4 precursor of the present disclosure can be represented by the following formula (I):
LiFe.sub.(1-a)M.sub.aPO.sub.4  (I)
wherein M and a are defined in the specification, the LiFePO.sub.4 precursor does not have an olivine structure, and the LiFePO.sub.4 precursor is powders constituted by plural flakes.

ZIRCONIUM PHOSPHATE
20230118562 · 2023-04-20 · ·

To provide an unprecedented novel zirconium phosphate. A zirconium phosphate represented by Formula [1]: Zr(H.sub.a(NH.sub.4).sub.b(PO.sub.4))(HPO.sub.4).nH.sub.2O, wherein Ia/Ib is 1.0 or less where the maximum peak intensity in the range of 2θ=5 to 13° measured by the X-ray diffraction method is denoted by Ia and the maximum peak intensity in the range of 2θ=26 to 28° is denoted by Ib, and in Formula [1], a, b, and c are numbers satisfying a+b=1 and 0≤b<1, and n is a number satisfying 0≤n≤2.