Abstract: A positive electrode active material in the form of a single particle and a lithium secondary battery containing the positive electrode active material thereof are provided. The positive electrode active material has a nickel-based lithium composite metal oxide single particle. The single particle has a plurality of crystal grains. An average particle size (D50) of the single particle is from 3.5 ?m to 8 ?m. The single particle includes a metal doped in the crystal lattice thereof.

Abstract: Provided is a method of manufacturing an all-solid state secondary battery having a layer configuration in which a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer are laminated in this order, the method comprising: a pre-compression bonding step of laminating a solid electrolyte layer and one of a positive electrode active material layer or a negative electrode active material layer to form a laminate and compressing the laminate to bond the layers, the solid electrolyte layer being formed on a support and including a binder consisting of a polymer and an inorganic solid electrolyte; a step of peeling off the support from the solid electrolyte layer such that 1% to 10 mass % of the solid electrolyte layer that is compressed and bonded to the active material layer remains in the support; and a post-compression bonding step of laminating the solid electrolyte layer from which the support is peeled off and another one of the positive electrode a

Abstract: Provided is a binder composition for an all-solid-state secondary battery with which it is possible to form a solid electrolyte-containing layer that can cause an all-solid-state secondary battery to display excellent output characteristics and high-temperature cycle characteristics. The binder composition contains a polymer A that includes a nitrile group-containing monomer unit and an aliphatic conjugated diene monomer unit. The proportional content of the nitrile group-containing monomer unit in the polymer A is not less than 5 mass % and not more than 30 mass %, and the proportional content of the aliphatic conjugated diene monomer unit in the polymer A is not less than 40 mass % and not more than 95 mass %. The polymer A has a Mooney viscosity (ML1+4, 100° C.) of 65 or more.

Abstract: A separator including: a porous polymer substrate having a plurality of pores; and a porous coating layer on at least one surface of the porous polymer substrate. The porous coating layer comprises inorganic particles, core-shell type polymer particles having a core portion and a shell portion surrounding the core portion, and a binder polymer positioned on the whole or a part of the surface of the inorganic particles and core-shell type polymer particles to connect and fix the inorganic particles and core-shell type polymer particles with one another. The core portion has a glass transition temperature, Tg, higher than the shell portion in the core-shell type polymer particles. The ratio of the average diameter of the core-shell type polymer particles to the average diameter of the inorganic particles is 80% to 200%.

Abstract: The disclosed technology generally relates to energy storage devices, and more particularly to energy storage devices comprising frustules. According to an aspect, a supercapacitor comprises a pair of electrodes and an electrolyte, wherein at least one of the electrodes comprises a plurality of frustules having formed thereon a surface active material. The surface active material can include nanostructures. The surface active material can include one or more of a zinc oxide, a manganese oxide and a carbon nanotube.

Abstract: Provided is a non-aqueous electrolyte, comprising a solvent, a lithium salt, an additive A and an additive B, the additive A is selected from compound represented by structural formula 1, and the additive B is selected from one or more of compounds represented by structural formula 2 and structural formula 3: R1 is an alkenyl with 2-5 carbon atoms or an alkynyl with 2-5 carbon atoms, R2 is a fluoroalkyl with 1-5 carbon atoms, R3 is an alkyl with 1-4 carbon atoms, an aryl with 6-10 carbon atoms, an alkenyl with 2-5 carbon atoms, an alkynyl with 2-5 carbon atoms or a fluoroalkyl with 1-5 carbon atoms. Meanwhile, the invention also discloses a lithium ion battery comprising the non-aqueous electrolyte. The non-aqueous electrolyte provided by the invention can effectively give consideration to both high and low temperature performances of the battery.

Abstract: A high-voltage battery, in the battery housing of which a number of cell modules are arranged, wherein combustion gas emitted in the event of a thermal battery cell event in a battery cell of one of the cell modules flows freely to an emergency degassing outlet of the battery housing via an installation gap inside the battery. A number of separate heat shield material portions are arranged in the installation gap inside the battery between the cell module top and the housing cover, each of which is associated with a cell module and has at least one elastically resilient pressing element which pushes the heat shield material portion with a pressing force such that the heat shield material portion is in pressed contact with the top of the cell module.

Abstract: The present invention relates to an apparatus and method for manufacturing a secondary battery. The method for manufacturing the secondary battery, in which a plurality of unit cells are seated on a separator sheet and folded to manufacture a folded cell, comprises: a supply step of allowing the plurality of unit cells to move through a moving unit so as to supply the unit cells toward the separator sheet; and a seating step of allowing the plurality of unit cells to sequentially drop onto a top surface of the separator sheet, wherein the unit cells are seated on the separator sheet so that the unit cells are spaced a set gap value from each other.

Abstract: An electrochemical device includes a cathode comprising a first cathode component of lithium and SexSy; and a second cathode component of an alkali metal and/or alkaline earth metal sulfur and/or selenide, different from the first cathode component; an initial discharge product of a polyselenide and/or polysulfide anion charge compensated by an alkali metal and/or alkaline earth metal cation; an anode; a porous separator; and a non-aqueous electrolyte with one or more lithium salts, and one or more solvents; wherein the electrochemical device is a lithium sulfur and/or lithium selenide battery.

Abstract: To provide an electrode for non-aqueous electrolyte batteries, which traps hydrogen sulfide gas, generated from the inside thereof for some reason, in the electrode, and suppresses the outflow of hydrogen sulfide gas to the outside of the battery. An electrode for lithium ion batteries includes a coating material which contains a silanol group and is present on at least a surface of an active material layer. The active material layer contains a sulfur-based material and a resin-based binder. The sulfur-based material is an active material capable of alloying with lithium metal or an active material capable of occluding lithium ions. The coating material containing the silanol group is a silicate having a siloxane bond or a silica fine particle aggregate having a siloxane bond as a component.

Abstract: The present disclosure relates to mixed ionically and electronically conducting solid-state phases for their application in electrochemical devices, such as lithium-metal or lithium ion batteries. The solid-state mixed phase comprises of active cathode and carbon-based structures functionalized by a heteropolyacid (HPA) or a metal salt of a heteropolyacid (Me-HPA) to form a solid-state architecture with incorporated ceramic or glass-ceramic electrolyte for enhanced ionic and electronic conductivity pathways. Combining the solid-state phase components in melted solid-state electrolyte results in perfect distribution, improved adhesion between particles, and improved characteristics of the electrochemical device, such as high charge rates, long-term performance, and broad voltage window.

Abstract: This application provides a nonaqueous electrolytic solution, a lithium-ion battery, a battery module, a battery pack, and an apparatus. The nonaqueous electrolytic solution includes a nonaqueous solvent and a lithium salt. The nonaqueous solvent includes a carbonate solvent and a high-oxidation-potential solvent. The carbonate solvent is a mixture of a cyclic carbonate and a chain carbonate, and the high-oxidation-potential solvent is selected from one or more of compounds denoted by Formula I and Formula II. This application improves electrochemical performance of the lithium-ion battery under a high temperature and a high voltage as well as safety performance such as overcharge safety and hot-oven safety of the lithium-ion battery, and also ensures kinetic performance of the lithium-ion battery to some extent.

Abstract: Provided are a negative electrode that is for use in a non-aqueous electrolyte secondary battery, includes a porous metal body as a current collector, contains a skeleton-forming agent highly infiltrated in the current collector so that it is less likely to suffer from structural degradation and provides improved cycle durability; and a non-aqueous electrolyte secondary battery including such a negative electrode. The negative electrode for use in a non-aqueous electrolyte secondary battery includes a current collector including a porous metal body; a first negative electrode material disposed in pores of the porous metal body and including a conductive aid, a binder, and a negative electrode active material including a silicon-based material; and a second negative electrode material disposed in pores of the porous metal body and including a skeleton-forming agent including a silicate having a siloxane bond.

Abstract: A battery cell assembly, including a rolled cell formed from a first electrode and a second electrode rolled together about a longitudinal axis. The rolled cell includes a primary section in which the first electrode and the second electrode overlap in a radial direction from the longitudinal axis, and a first extension end extending from a first longitudinal end of the primary section and formed from a first edge section of the first electrode. The first edge section includes a first folded portion folded to contact an adjacent portion of the first edge section. The battery cell assembly further includes a first end cap coupled to the rolled cell and contacting the first folded portion.

Abstract: Disclosed is a modified carbonaceous material, which includes hexagonal carbon networks in a layered stacking structure and acidic functional groups bonded to the hexagonal carbon networks and mainly existing at edges of the layered carbonaceous structure. Accordingly, the close proximity of acid moiety at the edges can resemble the center of hydrolysis enzymes, resulting in enhancement of hydrolytic efficiency. Additionally, the acid-functionalized carbonaceous material can also be applied in the capture and storage of carbon dioxide due to its unexpectedly higher capacity for CO2 molecular.

Abstract: Provided is a fluoride ion secondary battery having high charging and discharging efficiency at room temperature. The fluoride ion secondary battery includes a positive electrode material layer including Ag; a negative electrode material layer including at least one of CeF3 and PbF2; and a solid electrolyte layer including LaF3 and disposed between the positive electrode material layer and the negative electrode material layer. The fluoride ion secondary battery may further include a negative electrode current collector layer disposed on an outer side of the negative electrode material layer. The negative electrode current collector layer may include carbon when the negative electrode material layer includes CeF3 or may include a Pb foil when the negative electrode material layer includes PbF2.

Abstract: A conveying unit (1) for a fuel cell system (31) for conveying and/or recirculating a gaseous medium, in particular hydrogen, comprising a jet pump (4) driven by a driving jet of a pressurized gaseous medium, and comprising a metering valve (6) with a nozzle (12), wherein: the conveying unit (1) is designed as a combined valve jet pump assembly (2); the gaseous medium is fed to the jet pump (4) by means of the metering valve (6); the jet pump (4) has a main body (8); and the jet pump (4) is connected to an anode inlet (3) of a fuel cell (29).

Abstract: Exemplary embodiments of positive electrode active materials in the form of single particles, and a method of preparing each of them, are provided. The single particles of the exemplary embodiments include single particles of a nickel-based lithium composite metal oxide, having a plurality of crystal grains, each having a size of 180 nm to 300 nm, as analyzed by a Cu K? X-ray (X-r?). The single particles include a metal doped in the crystal lattice thereof. One embodiment includes a surface coating. The total content of the metal doped in the crystal lattice thereof and the metal of the metal oxide coated on the surface thereof is controlled in the range of 2500 ppm to 6000 ppm.

Abstract: An anode includes: (1) a current collector; and (2) an interfacial layer disposed over the current collector. The interfacial layer includes an ion-conductive organic network including anionic coordination units, organic linkers bonded through the anionic coordination units, and counterions dispersed in the ion-conductive organic network.

Abstract: The present invention relates to a method for producing a precursor material (10) for an electrochemical cell. The method comprises the steps of adding a matrix material (18) to a fluidized bed (40), and adding a carrier medium (48) and a de-agglomerated carbon nanotube material (22) to the fluidized bed (40), so that the carbon nanotube material (22) and the carrier medium (48) is applied to the matrix material (18) and the latter is granulated therewith, wherein the carbon nanotube material (22) has been suspended and de-agglomerated prior to addition to the carrier medium (48), and/or the carbon nanotube material (22) present in de-agglomerated form in the fluidized bed (40) dissolving with the carrier medium (48) in the fluidized bed (40).