Abstract: The invention is directed towards an electrochemically active cathode material. The electrochemically active cathode includes beta-delithiated layered nickel oxide and an electrochemically active cathode material selected from the group consisting of manganese oxide, manganese dioxide, electrolytic manganese dioxide (EMD), chemical manganese dioxide (CMD), high power electrolytic manganese dioxide (HP EMD), lambda manganese dioxide, gamma manganese dioxide, beta manganese dioxide, and mixtures thereof. The beta-delithiated layered nickel oxide has an X-ray diffraction pattern. The X-ray diffraction pattern of the beta-delithiated layered nickel oxide includes a first peak from about 14.9°2? to about 16.0°2?; a second peak from about 21.3°2? to about 22.7°2?; a third peak from about 37.1°2? to about 37.4°2?; a fourth peak from about 43.2°2? to about 44.0°2?; a fifth peak from about 59.6°2? to about 60.6°2?; and a sixth peak from about 65.4°2? to about 65.9°2?.

Abstract: Provided is a lithium secondary battery including a cathode containing a cathode active material in which a central part has a different concentration from a surface part, and a conductive material having a specific composition ratio, and specifically, a lithium secondary battery including a cathode containing a cathode active material in which a central part of one or more kinds of metals configuring the cathode active material has a different concentration from a surface part thereof, and two or more kinds of conductive materials mixed at a specific ratio, thereby having excellent stability and high low-temperature characteristic and high output characteristic as compared to a conventional lithium secondary battery.

Abstract: The present invention provides a lithium secondary battery and a lithium secondary battery sub module including the same. The lithium secondary battery includes: an electrode assembly; a plastic case which houses the electrode assembly and includes a gas barrier layer; and a pouch film cover which seals the plastic case having the electrode assembly housed therein, such that it is possible to achieve a battery having a significantly increased thickness so as to increase the capacity thereof without structural limitation, secure durability of the battery due to having excellent resistance to permeability, and improve productivity due to a decrease in an occurrence of poor insulation. Thereby, the lithium secondary battery sub module including the lithium secondary battery may have a high energy density and may be formed in a compact shape with reduced manufacturing costs.

Abstract: A separator for an electrochemical device, including a porous substrate and an inorganic coating layer formed on at least one surface of the porous substrate and method for manufacturing the same are provided. The inorganic coating layer includes a binder resin and inorganic particles, and the binder resin includes a polyvinylidene fluoride-based resin and shows a low electrolyte absorption ratio. The separator has excellent adhesion with an electrode and shows low resistance characteristics.

Abstract: We disclose quinone compounds and related species (Formula I) that possess significant advantages when used as a redox active material in a battery, e.g., a redox flow battery. In particular, the compounds provide redox flow batteries (RFBs) with extremely high capacity retention. For example, RFBs of the invention can be cycled for 500 times with negligible loss of capacity, and such batteries could be employed for years of service. Thus, the invention provides a high efficiency, long cycle life redox flow battery with reasonable power cost, low energy cost, and all the energy scaling advantages of a flow battery.

Abstract: An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive comprising a compound represented by Formula 1 below:

Abstract: A lithium ion battery electrolyte comprising a glyceryl ether epoxy resin gel is provided. The glyceryl ether epoxy resin gel comprises a glyceryl ether epoxy resin and an electrolyte. The glyceryl ether epoxy resin is a cross-linked polymer obtained by a ring-opening reaction of a glyceryl ether polymer and a polyamine compound. The glyceryl ether polymer is a glycidyl ether polymer comprising at least two epoxy groups, and the polyamine compound comprises at least two amine groups. The cross-linked polymer comprises a main chain and a plurality of hydroxyl groups, and the plurality of hydroxyl groups are located on the main chain. The electrolyte comprises a lithium salt and a non-aqueous solvent. The lithium salt and the glyceryl ether epoxy resin are dispersed in the non-aqueous solvent. A method of making the lithium ion battery electrolyte is also provided.

Abstract: The invention relates to a separator for non-aqueous-type electrochemical devices that has been coated with a polymer binder composition having polymer particles of two different sizes, one fraction of the polymer particles with a weight average particle size of less than 1.5 micron, and the other fraction of the polymer particles with a weight average particle size of greater than 1.5 microns. The bi-modal polymer particles provide an uneven coating surface that creates voids between the separator and adjoining electrodes, allowing for expansion of the battery components during the charging and discharging cycle, with little or no increase in the size of the battery itself. The bi-modal polymer coating can be used in non-aqueous-type electrochemical devices, such as batteries and electric double layer capacitors.

Abstract: The present invention relates to a thermosetting electrolyte composition for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a thermosetting electrolyte composition for a lithium secondary battery, which includes LiPF6 as a first lithium salt, a non-aqueous organic solvent, and a polymer or oligomer containing a unit represented by Formula 1, wherein the polymer or oligomer containing the unit represented by Formula 1 is included in an amount of 0.6 wt % to 15 wt % based on a total weight of the thermosetting electrolyte composition for a lithium secondary battery, and a lithium secondary battery including the same.

Abstract: A method of manufacturing a negative electrode for a secondary battery includes a first step of preparing a lithium metal sheet coated with a lithium metal or to which the lithium metal is adhered in a form of a thin film on a release film and wound into a roll, a second step of laminating the lithium metal sheet to allow the lithium metal to be adjacent to a negative electrode material mixture, to thereby manufacture a negative electrode in which lithium metal is laminated and a third step of applying pressure to the negative electrode. The release film is coated with silicon. The negative electrode manufacturing method uniformly laminates or bonds lithium metal which is difficult to handle on the negative electrode material mixture of the secondary battery and advantageously enhances the speed of the pre-lithiation by using the patterned lithium metal.

Abstract: A process can be used to produce a charge storage unit, especially a secondary battery, the electrodes of which contain an organic redox-active polymer, and which includes a polymeric solid electrolyte. The solid electrolyte is obtained by polymerizing from mixtures of acrylates with methacrylates in the presence of at least one ionic liquid, which imparts advantageous properties to the charge storage unit.

Abstract: The present invention provides a nonaqueous electrolyte secondary battery porous layer which improves an initial battery characteristic immediately after initial charge and discharge of a nonaqueous electrolyte secondary battery. In the nonaqueous electrolyte secondary battery porous layer in accordance with an aspect of the present invention, a standard deviation of bursting strength is 0.6 or more and 11.0 or less.

Abstract: A fuel cell electrolyte includes a nitrogen-doped phosphate tetrahedral network having a plurality of linked tetrahedra, each of the plurality of the linked tetrahedra having a phosphorus cation center and four anions including oxygen or nitrogen, the network having at least one compound of formula (I): H3+xPO4?xNx where x is any number between 0.001 and 3.

Abstract: A lithium-ion conducting composite material includes a Li binary salt, a Li-ion conductor with a chemical composition of Li2?3x+y?zFexOy(OH)1?yCl1?z, and at least two of: a first inorganic compound with a chemical composition of (Fe1?xM1x)O1?y(OH)yCl1?x; a second inorganic compound with a chemical composition of M2OX; and a defected doped inorganic compound with a chemical composition of (M3OX)?. The value of n is 1 or 2, x is greater than 0 and less than or equal to 0.25, and y is greater than or equal to 0 and less than or equal to 0.25. Also, M1 is at least one of Mg and Ca, M2 and M3 are each at least one of Fe, Al, Sc, La, and Y, and X is at least one of F, Cl, Br, and I.

Abstract: A fuel cell component including a fuel cell substrate and a nitride material. The material may be a nitride compound having a chemical formula AxByNz, where A is a metal, B is a metal different than A, N is nitrogen, x>0, y<7 and 0<z<12. The nitride compound may have a ratio of a stoichiometric factor to a reactivity factor of greater than 1.0. The stoichiometric factor indicates the reactivity of a nitride compound with chemical species as compared to a baseline nitride compound. The reactivity factor indicates the reaction enthalpy of the nitride compound and the chemical species as compared to a baseline nitride compound and the chemical species. The nitride compound may be Fe3Mo3N, Ni2Mo3N, Ni2W3N, CuNi3N, Fe3WN, Zn3Nb3N, V3Zn2N or a combination thereof. The nitride compound may be Si6Y3N11, Ni2Mo4N, Fe3Mo5N6 or a combination thereof.

Abstract: An ionic conductor includes an inorganic oxychloride compound with a chemical composition of (Fe1-xMx)O1-y(OH)yCl1-x where M is selected from at least one of Mg and Ca, and x is greater than 0 and less than or equal to 0.25, y is greater than or equal to 0 and less than or equal to 0.25. The inorganic oxychloride compound has a thermal decomposition start temperature of about 410° C. and x-ray diffraction peaks (2?) between about 20.79° and about 22.79°, between about 30.03° and about 32.03°, between about 39.47° and about 41.47°, and between about 76.44° and about 78.44°.

Abstract: An electrochemical cell for a lithium accumulator comprising: a negative electrode comprising metallic lithium as active material; a positive electrode associated with an aluminium current collector; and an electrolyte placed between the negative electrode and the positive electrode, wherein the negative electrode is provided with a layer comprising a compound containing aluminium at its face in contact with the electrolyte, and in that the electrolyte comprises at least one lithium salt chosen from among lithium imide, lithium triflate, lithium perchlorate salts and mixtures thereof.

Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution containing a polycyclic aromatic compound.

Abstract: The present invention provides a battery electrode comprising an active battery material enclosed in the pores of a conductive nanoporous scaffold. The pores in the scaffold constrain the dimensions for the active battery material and inhibit sintering, which results in better cycling stability, longer battery lifetime, and greater power through less agglomeration. Additionally, the scaffold forms electrically conducting pathways to the active battery nanoparticles that are dispersed. In some variations, a battery electrode of the invention includes an electrically conductive scaffold material with pores having at least one length dimension selected from about 0.5 nm to about 100 nm, and an oxide material contained within the pores, wherein the oxide material is electrochemically active.

Abstract: The present technology relates to a sulfur-containing polymer or organic compound for use in a positive electrode material, especially in lithium batteries. More specifically, the use of this sulfur-containing polymer or compound as an active electrode material makes it possible to combine sulfur and an active organic cathode material. The present technology also relates to the use of the sulfur-containing polymer or organic compound as defined herein as a solid polymer electrolyte (SPE) or as an additive for electrolyte, especially in lithium batteries.