Abstract: Provided is a solid electrolyte containing a crystal phase having a chemical composition Li7(1+x)?3?2+aO12+3.5x+b, where ? includes Pr, ? includes Zr, ?0.05?x?0.35, ?0.5?a?0.5, and ?0.5?b?0.5.

Abstract: A silicon-carbon particulate composite suitable for use as active material in a negative electrode of a Li-ion battery, a precursor composition comprising the silicon-carbon particulate composite, a negative electrode comprising the silicon-carbon particulate composite and/or precursor composition, a Li-ion battery comprising the negative electrodes, a method of manufacturing the silicon-carbon particulate composite, precursor composition, negative electrode and Li-ion battery, the use of the silicon-carbon particulate composite in a negative electrode of a Li-ion battery to inhibit or prevent silicon pulverization during cycling, for example, during 1st cycle Li intercalation or de-intercalation and/or to maintain electrochemical capacity after 100 cycles, and a device, energy storage cell, or energy storage and conversion system comprising the silicon-carbon particulate composite and/or precursor composition.

Abstract: High purity lithium and associated products are provided. In a general embodiment, the present disclosure provides a lithium metal product in which the lithium metal is obtained using a selective lithium ion conducting layer. The selective lithium ion conducting layer includes an active metal ion conducting glass or glass ceramic that conducts only lithium ions. The present lithium metal products produced using a selective lithium ion conducting layer advantageously provide for improved lithium purity when compared to commercial lithium metal. Pursuant to the present disclosure, lithium metal having a purity of at least 99.96 weight percent on a metals basis can be obtained.

Abstract: A battery including at least one of a separator, an interlayer, a protective layer, and an electrode that incorporates an ionic receptor nanomaterial of formula MxNy, wherein M is boron (B), silicon (Si), aluminum (Al), carbon (C) or tin (Sn) and N is nitrogen, with x being equal to 1 to 3 and y being equal to 1 to 4. The ionic receptor nanomaterial is in a form of one of nanoparticles, nanoflakes, nanosheets, nanotubes, or nanorods.

Abstract: Electrolytes and electrolyte additives for energy storage devices comprising fluorinated polymers.

Abstract: The present disclosure relates to a positive electrode for lithium air batteries, a method of manufacturing the positive electrode, and a lithium air battery including the positive electrode, and more particularly to a positive electrode for lithium air batteries, wherein the positive electrode is manufactured through a dry process instead of a conventional wet process and a mixture of a positive electrode active material and a binder is ball-milled under specific conditions, thereby reducing or preventing a swelling phenomenon due to a solvent and increasing the force of coupling between the positive electrode active material and the binder, whereby it is possible to manufacture a high-density electrode and to improve the durability of the electrode, and wherein the lifespan of a lithium air battery is increased when the positive electrode is applied to the battery.

Abstract: Provided is a semisolid electrolyte solution to improve a battery capacity of a secondary battery. The semisolid electrolyte solution includes: a solvated electrolyte salt; and an ether-based solvent that constitutes the solvated electrolyte salt and a solvated ion liquid, in which a mixing ratio of the ether-based solvent to the solvated electrolyte salt is larger than 0 and equal to or less than 0.5 in terms of a molar ratio. Desirably, the mixing ratio of the ether-based solvent to the solvated electrolyte salt is 0.2 to 0.5 in terms of the molar ratio. When a low viscosity solvent is provided, a mixing ratio of the low viscosity solvent to the solvated electrolyte salt is 2 to 6 in terms of the molar ratio.

Abstract: A first electrode body element and a second electrode body element including a positive electrode plate and a negative electrode plate are fabricated, a first positive electrode tab group of the first electrode body element and a second positive electrode tab group of the second electrode body element are connected to a lead portion of a positive electrode collector attached to a sealing plate, a first negative electrode tab group of the first electrode body element and a second negative electrode tab group of the second electrode body element are connected to a lead portion of a negative electrode collector attached to the sealing plate, and the first electrode body element and the second electrode body element are arranged together as one such that an electrode body is formed.

Abstract: Metal alloy layers on substrates. The metal-alloy layers (e.g., lithium-metal layers, sodium-metal layers, and magnesium-metal layers) can be disposed on, for example, a solid-state electrolyte material. The metal-alloy layers can be used in, for example, solid-state batteries. A metal alloy layer can be an anode or part of an anode of a solid state battery.

Abstract: A metal air fuel cell is provided. The metal air fuel cell includes a plurality of unit bodies arranged in parallel in a battery housing. Each of the plurality of unit bodies includes a housing, a front cover, an alloy plate, a sealing ring, a battery cover, an upper copper electrode, an air electrode, and a back cover. The upper copper electrode, the battery cover and the alloy plate are connected by bolts to form a metal fuel monomer.

Abstract: A secondary battery module includes a plurality of battery cells aligned in one direction, a plurality of insulation sheets between the plurality of battery cells, the insulations sheets including aerogel for blocking heat transfer between the plurality of battery cells, and a housing fixing the battery cells and the insulation sheets. The secondary battery module may prevent or retard generation of heat or ignition from a cell within the module from propagating to adjoining cells.

Abstract: The present invention relates to a non-aqueous electrolyte for a lithium secondary battery including a pyridine-boron-based compound as an additive and a lithium secondary battery including the same, and particularly, to a non-aqueous electrolyte including at least two types of lithium salts and a pyridine-boron-based compound and a lithium secondary battery which has an enhanced effect of suppressing an increase in resistance and generation of gas after being stored at high temperature by including both the non-aqueous electrolyte and a negative electrode including lithium titanium oxide (LTO) as a negative electrode active material.

Abstract: The invention features an electrochemical cell having an anode and a cathode; wherein at least one of the anode and cathode includes a solid ionically conducting polymer material that can ionically conduct hydroxyl ions.

Abstract: Various embodiments of the present invention relate to a secondary battery. The technical problem to be solved is to provide a secondary battery having an embossed safety vent, which is not damaged by an external force generated during a manufacturing process, can clearly define a rupture area or shape, and makes process management for rupture area or shape easy. To this end, various embodiments of the present invention disclose a secondary battery comprising: a case, a cap plate which is installed in the case and has a vent hole; and a safety vent which is coupled to the vent hole of the cap plate and ruptures when the internal pressure of the case is greater than a reference pressure, wherein the safety vent comprises an embossed portion; and a notch portion formed in the embossed portion.

Abstract: A nonaqueous electrolyte secondary battery separator is provided in which thickness unevenness caused by wrinkles is reduced. The nonaqueous electrolyte secondary battery separator includes a polyolefin porous film, and when a test piece cut out from the nonaqueous electrolyte secondary battery separator is immersed in propylene carbonate, the test piece exhibits an elongation percentage difference of not more than 0.20%; the elongation percentage difference being a difference between (i) an elongation percentage in a longitudinal direction of the test piece as observed after 30 minutes of immersion in propylene carbonate and (ii) an elongation percentage in the longitudinal direction of the test piece as observed after 24 hours of immersion in propylene carbonate.

Abstract: A battery housing for receiving battery elements, in particular for a vehicle, includes a case formed by a frame including one or more profiles and at least one first floor. The case provides an interior region for the battery elements. A second floor is positioned at a distance below the first floor and defines a space with the first floor. A cover covers the case.

Abstract: Apparatus, systems, and methods described herein relate to the manufacture and use of single pouch battery cells. In some embodiments, an electrochemical cell includes a first current collector coupled to a first portion of a pouch, the first current collector having a first electrode material disposed thereon, a second current collector coupled to a second portion of the pouch, the second current collector having a second electrode material disposed thereon, and a separator disposed between the first electrode material and the second electrode material. The first portion of the pouch is coupled to the second portion of the pouch to enclose the electrochemical cell.

Abstract: A battery pack includes a heat conductive member that has heat conductivity and is provided between a plurality of battery modules which are adjacent to each other in a width direction. A heat dissipation unit dissipates heat conducted to the heat conductive member. A bus bar for modules is provided on one side of the battery modules in a height direction. The heat conductive member includes a contact portion and an extended portion. The contact portion is in contact with the plurality of battery modules which are adjacent to each other in the width direction. The extended portion extends from a side opposite to the bus bar for modules of the battery modules in a height direction and is connected to the heat dissipation unit.

Abstract: A power storage device includes a holder that includes a plurality of hole rows having a plurality of insertion holes and is provided to be longer in a longitudinal direction than in a width direction. The holder includes a first long side surface, a second long side surface, a first fragile portion, and a second fragile portion. A first thin portion of the holder is disposed adjacent to a fourth insertion hole in the width direction. A second thin portion of the holder is disposed adjacent to the first insertion hole in the width direction. When a virtual straight line passing through the first thin portion and the second thin portion is taken as a virtual breaking line, the first fragile portion and the second fragile portion are disposed at positions through which the virtual breaking line passes or in a vicinity of the virtual breaking line.

Abstract: The present invention relates to processes that may be used singly or in combination to prevent lithium (or alkali metal) plating or dendrite buildup on bare substrate areas or edges of electrode rolls during alkaliation of a battery or electrochemical cell anode composed of a conductive substrate and coatings, in which the electrode rolls may be coated on one or both sides and may have exposed substrate on edges, or on continuous or discontinuous portions of either or both substrate surfaces.