Abstract: It is possible to form a secondary cell having excellent charge-discharge cycle properties and to improve dispersibility of the active substance and the auxiliary conductor and pliability and close adhesion of the electrodes by using a composition for forming a secondary cell electrode that comprises at least one of an electrode active substance (A) and a carbon material (B) that serves as an auxiliary conductor, a water-soluble additive (C) that is a water-soluble additive formed from carbon atoms, oxygen atoms, and hydrogen atoms and that has 2 to 20 oxygen atoms per 1 molecule, and water (D).

Abstract: Methods of forming metal nanoparticle decorated carbon nanotubes are provided. The methods include mixing a metal precursor with a plurality of carbon nanotubes to form a metal precursor-carbon nanotubes mixture. The methods also include exposing the metal precursor-carbon nanotubes mixture to electromagnetic radiation to deposit metal nanoparticles on a major surface of the carbon nanotubes.

Abstract: Disclosed is a composition comprising an ethylene copolymer and a polyetherimide, polyamideimide, polycarbonate, polyetheretherketone, polysulfone or polyethersulfone wherein the ethylene copolymer comprises or is produced from repeat units derived from ethylene and a comonomer selected from the group consisting of an ?,?-unsaturated monocarboxylic acid or its derivative, an ?,?-unsaturated dicarboxylic acid or its derivative, an epoxide-containing monomer, a vinyl ester, or combinations of two or more thereof; and the composition can further comprise a curing agent to crosslink the ethylene copolymer. The composition is useful as a binder for a lithium ion battery.

Abstract: Disclosed is a composition comprising an ethylene copolymer and a halogenated polymer, wherein the ethylene copolymer comprises or is produced from repeat units derived from ethylene and a comonomer selected from the group consisting of an ?,?-unsaturated monocarboxylic acid or its derivative, an ?,?-unsaturated dicarboxylic acid or its derivative, an epoxide-containing monomer, a vinyl ester, or combinations of two or more thereof; and the composition can further comprise a curing agent to crosslink the ethylene copolymer. The composition is useful as a binder for a lithium ion battery.

Abstract: A method for forming nanometer scale dot-shaped materials is provided. The method includes providing a sub-micrometer scale material and a metallo-organic compound. The sub-micrometer scale material and the metallo-organic compound are mixed in a solvent. Then, the metallo-organic compound is decomposed by thermal decomposition process and reduced to form a plurality of nanometer scale dot-shaped materials on the sub-micrometer scale material, wherein the sub-micrometer scale material and the nanometer-scale dot-shaped materials are heterologous materials. Then, the plurality of nanometer scale dot-shaped materials is melted, such that a plurality of the adjacent sub-micrometer scale materials is connected to each other to form a continuous interface between the sub-micrometer scale materials.

Abstract: This invention relates to an anode active material comprising at least one iron oxide selected from the group consisting of amorphous iron oxides, ferrihydrite, and lepidocrocite. The invention also relates to a lithium ion secondary battery anode material comprising the anode active material as a constituent component, a lithium ion secondary battery anode comprising the lithium ion secondary battery anode material, and a lithium ion secondary battery comprising the lithium ion secondary battery anode.

Abstract: A kind of photosensitive carbon nanotube slurry is disclosed. The photosensitive carbon nanotube slurry includes a first mixture and a second mixture. The first mixture includes carbon nanotubes, conducting particles, and a first organic carrier. The second mixture includes a photo polymerization monomer, a photo initiator, and a second organic carrier. The weight percentage of the first mixture and the second mixture ranges from about 50% to about 80% and about 20% to about 50%, respectively. Methods for making the photosensitive carbon nanotube slurry and methods for making cathode emitters using the photosensitive carbon nanotube slurry are also disclosed.

Abstract: Disclosed are a cathode material for a secondary battery, and a manufacturing method of the same. The cathode material includes a lithium manganese phosphate LiMnPO4/sodium manganese fluorophosphate Na2MnPO4F composite, in which the LiMnPO4 and Na2MnPO4F have different crystal structures. Additionally, the method of manufacturing the cathode material may be done in a single step through a hydrothermal synthesis, which greatly reduces the time and cost of production. Additionally, the disclosure provides that the electric conductivity of the cathode material may be improved through carbon coating, thereby providing a cathode material with excellent electrochemical activity.

Abstract: Anode active materials and methods of preparing the same are provided. One anode active material includes a carbonaceous material capable of improving battery cycle characteristics. The carbonaceous material bonds to and coats metal active material particles and fibrous metallic particles to suppress volumetric changes.

Abstract: Provided is a negative electrode for a non-aqueous electrolyte secondary battery, capable of improving the energy density and the cycle characteristics of the battery without lowering the initial charge/discharge efficiency of the battery. This negative electrode includes a negative electrode active material including a silicon oxide represented by SiOx and carbon material. A proportion of a mass of the silicon oxide relative to a total mass of the silicon oxide and the carbon material: y satisfies 0.03?y?0.3. A difference between a theoretical capacity density of the negative electrode active material and a charge capacity density of the negative electrode active material when a cutoff voltage is 5 mV relative to lithium metal: ?C (mAhg?1) satisfies L=?C/100 and 6y?L?12y+0.2.

Abstract: A substituted lithium-manganese metal phosphate of formula LiFexMn1-x-yMyPO4 in which M is a bivalent metal from the group Sn, Pb, Zn, Ca, Sr, Ba, Co, Ti and Cd and wherein: x<1, y<0.3 and x+y<1, a process for producing it as well as its use as cathode material in a secondary lithium-ion battery.

Abstract: A method of manufacturing a multicomponent lithium phosphate compound particle with an olivine structure of formula LiyM11-ZM2ZPO4, M1 is Fe, Mn or Co; Y satisfies 0.9?Y?1.2; M2 is Mn, Co, Mg, Ti or Al; and Z satisfies 0<Z?0.1, in which the M2 concentration is continuously lowered from a surface of the particle to a core portion of the particle. The method includes mixing a lithium M1 phosphate compound with an olivine structure of formula LiXM1PO4, M1 is Fe, Mn or Co, and X satisfies 0.9?X?1.2, and a precursor of a lithium M2 phosphate compound with an olivine structure of formula LiXM2PO4, M2 is Mn, Co, Mg, Ti or Al, and X satisfies 0.9?X?1.2, to form a mixture; and subjecting the mixture to heating in an inert atmosphere or a vacuum.

Abstract: A method for producing a composite sulphur/carbon conductive material obtained solely from an initial sulphur and an initial carbon which includes the following successive steps between 50% and 90% by weight of initial sulphur and between 50% and 10% by weight of initial carbon having a specific surface smaller than or equal to 200 m2/g are placed in a reactor at atmospheric pressure, the sum of the proportions respectively of the initial sulphur and carbon attaining 100%, the reactor is hermetically sealed at atmospheric pressure, and the composite sulphur/carbon conductive material is formed, in powder form, by heat treatment by heating said reactor to a heating temperature comprised between 115° C. and 400° C., without external regulation of the pressure inside the reactor, and keeping said reactor at said heating temperature during a predetermined time.

Abstract: A carbon fiber with a conductive finish includes carbon fiber filaments including a metal coating, wherein the carbon fiber filaments have a finish on the metal coating based on at least one polymer binder and containing conductive nanoparticles. The concentration of the metal coating is 8 to 25 wt. % and the concentration of the carbon nanotubes is 0.1 to 1 wt. %, each relative to the weight of the carbon fiber provided with the metal coating and finish. A method for producing fibers of this type is set forth, as well as a fiber-reinforced composite material comprising carbon fibers including carbon fiber filaments, wherein the carbon fiber filaments are coated with a metal, and a polymer-based matrix, wherein the percent by volume of the fibers in the composite material is 30 to 70 vol. % and the composite material additionally contains conductive nanoparticles which are dispersed at least partially in the matrix.

Abstract: An anode composite material for lithium ion battery and a preparation method thereof. The composite material is a composite material formed by compounding at least one of SiCO, SiCNO, SiCN and SiBCN with LiaMbPO4, wherein 0.95?a?1.1, 0.95?b?1.1, and M is at least one of Fe, Co, Ni and Mn. The content of at least one of SiCO, SiCNO, SiCN and SiBCN in the anode composite material is in a range of 1-20 wt % of the total weight of the composite material. The composite material formed by compounding at least one of SiCO, SiCNO, SiCN and SiBCN with LiaMbPO4 is obtained by adding LiaMbPO4 into at least one organosilicon polymer of polysiloxane, polysilazane, and polyborosilazane, and then curing, crosslinking, and pyrolysing. Compared with LiaMbPO4, the composite material has a notable improvement in electrochemistry performance and tap density.

Abstract: This invention relates to a method of manufacturing a graphene or graphene oxide/nanoparticle hybrid material and a graphene/nanoparticle hybrid material manufactured thereby, wherein the hybrid material can be easily, rapidly and eco-friendly synthesized while minimizing the use of chemicals and thermal treatment because of electrostatic self-assembly properties of a biomaterial. This method includes preparing nanoparticles, a biomaterial solution and a graphene oxide solution, mixing the nanoparticles with the biomaterial solution to form biomaterial-coated nanoparticles, mixing the biomaterial-coated nanoparticles with the graphene oxide solution to obtain a graphene oxide/nanoparticle hybrid material, and reducing the graphene oxide/nanoparticle hybrid material to obtain a graphene/nanoparticle hybrid material.

Abstract: The invention pertains to an aqueous electrode-forming composition comprising:—at least one fluoropolymer [polymer (F)];—particles of at least one powdery active electrode material [particles (P)], said particles (P) comprising a core of an active electrode compound [compound (E)] and an outer layer of a metallic compound [compound (M)] different from Lithium, said outer layer at least partially surrounding said core; and—water, to a process for its manufacture, to a process for manufacturing an electrode structure using the same, to an electrode structure made from the same and to an electrochemical device comprising said electrode structure.

Abstract: Carbon nanotube-based compositions and methods of making an electrode for a battery are disclosed. It is an objective of the instant invention to disclose a composition for an electrode of a battery incorporating three dimensional networks of carbonaceous materials comprising a bi-modal diameter distribution of carbon nanotubes, CNT(A) and CNT(B), graphene, carbon black and, optionally, other forms of carbon-based pastes.

Abstract: The present invention pertains to a solvent based electrode-forming composition which comprises at least one vinylidene fluoride (VDF) polymer and a graphene oxide with an oxygen content of no more than 25 wt % dispersed in an organic solvent, wherein the VDF polymer comprises recurring units derived from vinylidene fluoride (VDF) and from at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —ROH is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group. The present invention further relates to a process for manufacturing said electrode-forming composition, and the use thereof for manufacturing an electrode of secondary lithium batteries.

Abstract: Provided is a cathode for lithium secondary batteries comprising a combination of one or more compounds selected from Formula 1 and one or more compounds selected from Formula 2. The cathode provides a high-power lithium secondary battery composed of a non-aqueous electrolyte which exhibits long lifespan, long-period storage properties and superior stability at ambient temperature and high temperatures.

Abstract: The present invention provides, in some embodiments, hybrid materials having reticulated vitreous carbon (RVC) and nanoparticles of a conductive, transparent metal oxide such as tin-doped indium oxide (ITO). The material can further include one or more transition metal catalysts, such as {Ru(Mebimpy)[4,4?-((HO)2OPCH2)2bpy](OH2)}2+. Oxidation of water, benzyl alcohol, and other useful reactants is possible when the material is employed as an electrode.

Abstract: The present invention relates to a metal nanobelt and a method of manufacturing the same, and a conductive ink composition and a conductive film including the same. The metal nanobelt can be easily manufactured at a normal temperature and pressure without requiring the application of high temperature and pressure, and also can be used to form a conductive film or conductive pattern that exhibits excellent conductivity if the conductive ink composition including the same is printed onto a substrate before a heat treatment or a drying process is carried out at low temperature. Therefore, the metal nanobelt and the conductive ink composition may be applied very appropriately for the formation of conductive patterns or conductive films for semiconductor devices, displays, solar cells in environments requiring low temperature heating. The metal nanobelt has a length of 500 nm or more, a length/width ratio of 10 or more, and a width/thickness ratio of 3 or more.

Abstract: A method of recovering lithium cobalt oxide from spent lithium ion batteries, wherein said method is more environmentally friendly than the methods presently known in the art. The method includes a froth flotation step using renewable and biodegradable solvents such as terpenes and formally hydrated terpenes. The method can also include a relithiation step to return the Li:Co ratio back to about 1:1 for use in second-life applications.

Abstract: The invention relates to an electrode binder composition, an electrode made using the described binder composition, and an electrochemical cell made using the described electrode, where the all of these materials are made using a composition of a poly(dialkylene ester) thermoplastic polyurethane composition. The electrode is made using the described thermoplastic polyurethane and an electrode active material. The electrochemical cells can be made using the described electrodes and also using (i) membranes and/or separators made using the described poly(dialkylene ester) thermoplastic polyurethane composition; (ii) an electrolyte system based on the described poly(dialkylene ester) thermoplastic polyurethane composition; or (iii) a combination thereof.

Abstract: A battery cathode is made by mixing electrochemically active cathode material, graphite, water and an aqueous based binder to provide a mixture. The mixture is extruded continuously into a cathode. Water is then removed from the cathode. The cathode is cut into individual pieces.

Abstract: Inks for the formation of transparent conductive films are described that comprise an aqueous or alcohol based solvent, carbon nanotubes as well as suitable dopants. Suitable dopants generally comprise halogenated ionic dopants. In some embodiment, the inks comprise sulfonated dispersants that can effectively provide additional doping to improve electrical conductivity as well as stabilize the inks with respect to settling and/or improve the fluid properties of the inks for certain processing approaches. The inks can be processed into films with desirable levels of electrical conductivity and optical transparency.

Abstract: The thermoplastic molding composition comprises: a) as component A, from 0 to 97.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which do not have any units derived from maleic anhydride, and which have an intrinsic viscosity smaller than 85 ml/g, b) as component B, from 1 to 98.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which have, based on the entire component B, from 0.5 to 5% by weight of units derived from maleic anhydride, c) as component C, from 1 to 75% by weight of glass fibers, d) from 0.1 to 20% by weight of one or more flow promoters, selected from d1) as component D1, at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), d2) as component D2, at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.

Abstract: Provided are a mixed cathode active material having improved power characteristics and safety, and a lithium secondary battery including the same. More particularly, the present invention relates to a mixed cathode active material which may assist power in a low SOC range to widen an available state of charge (SOC) range and may simultaneously provide improved safety by blending substituted LFP, in which operating voltage is adjusted by substituting a portion of iron (Fe) with other elements such as titanium (Ti), in order to prevent a rapid increase in resistance of manganese (Mn)-rich having high capacity but low operating voltage in a low SOC range (e.g., a SOC range of 10% to 40%), and a lithium secondary battery including the mixed cathode active material.

Abstract: Provided is an electrode that contributes to higher performance improvement of batteries and capacitors by selecting a dispersant not only for uniformalizing an electrode structure but also playing the performance improvement role for the batteries or capacitors. An electrode 1 includes an active material 2 and a conductive additive 3. The electrode 1 also includes a dispersant 5, and the dispersant 5 is adsorbed onto the surfaces of the conductive additive 3 and the active material 2. More preferably, the electrode 1 includes the dispersant 5 having at least one kind selected from a group consisting of molecular structures, atoms, and ions which acts as a charge transfer medium, and most preferably, the electrode 1 includes the dispersant 5 having the same charge as the charge transfer medium contained in the active material 2.

Abstract: An anode, a lithium battery including the anode, and a method of manufacturing the anode. The anode includes: an anode active material including a metal alloyable with lithium; and a metal-carbon composite conducting agent having a density of 3.0 grams per cubic centimeter or greater.

Abstract: A lithium secondary battery is provided which can exhibit excellent battery performances for a long period of time and has an excellent crystal structure stability. The positive electrode of the lithium secondary battery provided according to the present invention includes positive electrode active material particles mainly containing a lithium-containing phosphate compound represented by the general formula: LixM[P(1-y)Ay]O4, where M is one or two or more elements selected from the group consisting of Ni, Mn, Fe and Co; A is a pentavalent metal element; and x and y are real numbers satisfying 0<x?2 and 0<y?0.15.

Abstract: The thermoelectric material according to the present invention is characterized in that carbon nanotubes are dispersed in thermoelectric matrix powder by mechanically grinding, mixing, and treating by heating a mixed powder formed through a chemical reaction after mixing a first solution in which carbon nanotubes are dispersed and a second solution containing metallic salts. Further, a method for fabricating the thermoelectric material includes fabricating the first solution and the second solution, mixing the first solution and the second solution with each other to form a mixed solution, forming and growing a mixed powder in which carbon nanotubes and metals are mixed by a chemical reaction of the mixed solution, mechanically grinding and mixing the mixed powder, and heating the ground-and-mixed mixed powder to form the thermoelectric material.

Abstract: A selectively oxygen-permeable substrate has a magnetic material dispersion layer having carbon as the main component and a magnetic material dispersed therein. The magnetic material dispersion layer has a gas introduction face for introducing gas into the inside thereof, and the magnetic material dispersion layer is preferably a layer where a magnetic material is dispersed in a porous carbon membrane and can be used as a substrate for a metal-air battery positive electrode. More preferably, the selectively oxygen-permeable substrate has the magnetic material dispersion layer and a porous substrate. A selectively oxygen-permeable substrate can selectively introduce oxygen in the air and have high durability against an electrolytic solution.

Abstract: The present invention is directed to processing techniques and systems of metal fluoride based material, including but not limited to nickel difluoride, copper difluoride, manganese fluoride, chromium fluoride, bismuth fluoride, iron trifluoride, iron difluoride, iron oxyfluoride, metal doped iron fluorides, e.g., FexM1-xFy (M=metals, which can be Co, Ni, Cu, Cr, Mn, Bi and Ti) materials. An exemplary implementation involves mixing a first compound comprising a metal material, nitrogen, and oxygen to a second compound comprising hydrogen fluoride. The mixed compound is milled to form metal fluoride precursor and a certain byproduct. The byproduct is removed, and the metal fluoride precursor is treated to form iron trifluoride product. There are other embodiments as well.

Abstract: An electrode material which can improve the mobility of electrons and the mobility of ions at the same time, and, furthermore, does not have a problem of the impairment of the diffusion of lithium ions in a thin layer containing a carbonaceous electron-conductive substance so as to be excellent in terms of load characteristics and energy density, and an electrode and a lithium ion battery are provided. The electrode material of the invention is produced by forming a thin layer made of a carbonaceous electron-conductive substance on surfaces of primary particles made of an electrode active material, in which the carbonaceous electron-conductive substance contains nitrogen atoms.

Abstract: The present invention provides an electrically conductive rubber composition which can be efficiently and sufficiently foamed and crosslinked by means of a continuous crosslinking apparatus including a microwave crosslinking device and a hot air crosslinking device without generation of ammonia and carbon monoxide. The electrically conductive rubber composition comprises a rubber component, a crosslinking component for crosslinking the rubber component, and a foaming component including sodium hydrogen carbonate and citric acid.

Abstract: An adhesive material comprising at least one adhesive polymeric resin, at least one low aspect ratio metal-coated additive, and at least one high aspect ratio metal-coated additive. There is additionally provided an adhesive material comprising at least one adhesive polymeric resin, and one of either; a) low aspect ratio metal-coated additives present in the range 0.2 wt. % to 30 wt. % of the adhesive material; or b) discrete high aspect ratio metal-coated additives present in the range 0.2 wt. % to 25 wt. % of the adhesive material.

Abstract: A compound MjXp which is particularly suitable for use in a battery prepared by the complexometric precursor formulation methodology wherein: Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j is an integer representing the moles of said positive ion per moles of said MjXp; and Xp, a negative anion or polyanion from Groups IIIA, IV A, VA, VIA and VIIA and may be one or more anion or polyanion and p is an integer representing the moles of said negative ion per moles of said MjXp.

Abstract: The present invention relates to a method for recycling LiFePO4, which is an olivine-based cathode material for a lithium secondary battery. The present invention is characterized in that a cathode material including LiFePO4 is synthesized using, as precursors, amorphous FePO4.XH2O and crystalline FePO4.2H2O (metastrengite) obtained by chemically treating LiFePO4 as an olivine-based cathode material for a lithium secondary battery, which is produced from a waste battery. Since a cathode fabricated from the LiFePO4 cathode material synthesized according to the present invention does not deteriorate the capacity, output characteristics, cycle efficiency and performance of the secondary battery and the cathode material of the lithium secondary battery may be recycled, the secondary battery is economically efficient.

Abstract: The present invention provides for a natural, non-toxic, environmentally friendly, “green” mineral based composition that produces ions and emits far infrared heat and the composition comprises tourmaline microcrystals and at least one activating element.

Abstract: An active material capable of forming an electrochemical device excellent in its discharge capacity and rate characteristic is provided. The active material in accordance with a first aspect of the present invention comprises a compound particle containing a compound having a composition represented by the following chemical formula (1), a carbon layer covering the compound particle, and a carbon particle. The active material in accordance with a second aspect of the present invention comprises a carbon particle and a compound particle having an average primary particle size of 0.03 to 1.4 ?m, being carried by the carbon particle, and containing a compound represented by the following chemical formula (1): LiaMXO4??(1) where a satisfies 0.9?a?2, M denotes one species selected from the group consisting of Fe, Mn, Co, Ni, and VO, and X denotes one species selected from the group consisting of P, Si, S, V, and Ti.

Abstract: Provided is an auto-thermal evaporative liquid-phase synthesis method for cathode material for battery, comprising the following steps: (1) Adding a synthetic raw material of cathode material into a solvent to obtain a mixture A, the synthetic raw material of the cathode material containing lithium source, adding an accelerant into the mixture A, which makes the mixture A achieve a strong auto-thermal reaction to release heat to evaporate the solvent, and obtaining a solid precursor of the cathode material; (2) Drying the precursor, sintering in an atmosphere furnace and obtaining the cathode material. The method is simple in process, low in energy consumption, requirements for equipment and cost, and is applicable to industrial mass production and application. The cathode material obtained through the method is stability in batch, easy to process, low in internal resistance and high in capacity and has an excellent charging and discharging performance.

Abstract: A method of manufacturing a resistor paste comprising steps of: (a) preparing a basic resistor paste comprising, (i) a conductive powder, (ii) a first glass frit, and (iii) a first organic medium; and (b) preparing a glass paste as a TCR driver comprising, (iv) a second glass frit comprising manganese oxide, and (v) a second organic medium, (c) adding the glass paste to the basic resistor paste to obtain a resistor paste with a desired TCR.

Abstract: A conductive paste for a photovoltaic cell and a method for producing the photovoltaic cell are disclosed. The conductive paste includes a silver powder, glass frit and a sintering inhibitor that suppresses sintering of the silver powder. The sintering inhibitor contains at least one substance selected from aluminum oxide, silicon oxide and silicon carbide. The method includes forming a first anti-reflective layer on a first region of a main surface of a semiconductor substrate; forming a second anti-reflection layer on a second region of the main surface which is different from the first region; coating the electrically conductive paste onto the second anti-reflective layer on the second anti-reflection layer; and forming a surface electrode in the second region by reacting the second anti-reflection layer with the electrically conductive paste at an elevated temperature.

Abstract: Provided is a novel lithium silicate-based material useful as a positive electrode material for lithium ion secondary battery. The lithium silicate-based compound is represented by Li1.5FeSiO4.25 The lithium silicate-based compound is a compound including: lithium (Li); iron (Fe); silicon (Si); and oxygen (O), and expressed by a composition formula, Li1+2?FeSiO4+??c(?0.25???0.25, 0?c?0.5). The lithium silicate-based compound, of which iron (Fe) is trivalent, exerts a remarkable chemical stability as compared to Li2FeSiO4.

Abstract: A mixed positive electrode active material comprising a lithium manganese oxide represented by following [Chemical Formula 1] and a second positive electrode active material represented by following [Chemical Formula 2], and a lithium secondary battery comprising the same are disclosed. aLi2MnO3.(1?a)LixMO2??[Chemical Formula 1] In [Chemical Formula 1], 0<a<1, 0.9?x?1.2, and M is at least one element selected from the group consisting of Al, Mg, Mn, Ni, Co, Cr, V and Fe. Li4-xMn5-2x-yCO3xMyO12??[Chemical Formula 2] In [Chemical Formula 2], 0<x<1.5, 0?y<0.5, and M is at least one of transition metal elements. By comprising Mn-rich and Co-doped Li4Mn5O12, a rapid output decrease at a low SOC section may be relaxed to enlarge an available SOC section. Improved output may be obtained throughout an entire SOC section when compared with a case using pure Li4Mn5O12.

Abstract: With a small amount of a conductive additive, an electrode for a storage battery including an active material layer which is highly filled with an active material is provided. The use of the electrode enables fabrication of a storage battery having high capacity per unit volume of the electrode. By using graphene as a conductive additive in an electrode for a storage battery including a positive electrode active material, a network for electron conduction through graphene is formed. Consequently, the electrode can include an active material layer in which particles of an active material are electrically connected to each other by graphene. Therefore, graphene is used as a conductive additive in an electrode for a sodium-ion secondary battery including an active material with low electric conductivity, for example, an active material with a band gap of 3.0 eV or more.

Abstract: The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1bV2-cM2c(PO4)x??(I) wherein M1, M2, a, b, c and x have the following meanings: M1: Na, K, Rb and/or Cs, M2: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5-4.5, b: 0-0.6, c: 0-1.98 and x: number to equalize the charge of Li and V and M1 and/or M2, if present, wherein a-b is >0, to a compound according to general formula (I) as defined above, to spherical agglomerates and/or particles comprising at least one compound of general formula (I) as defined above, to the use of such a compound for the preparation of a cathode of a lithium ion battery or an electrochemical cell, and to a cathode for a lithium ion battery, comprising at least one compound as defined above.

Abstract: The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1bV2-cM2c(PO4)x??(I) wherein M1, M2, a, b, c and x have the following meanings: M1: Na, K, Rb and/or Cs, M2: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5-4.5, b: 0-0.6, c: 0-1.98 and x: number to equalize the charge of Li and V and M1 and/or M2, if present, wherein a-b is >0, to a compound according to general formula (I) as defined above, to spherical agglomerates and/or particles comprising at least one compound of general formula (I) as defined above, to the use of such a compound for the preparation of a cathode of a lithium ion battery or an electrochemical cell, and to a cathode for a lithium ion battery, comprising at least one compound as defined above.

Abstract: A composition comprising: at least one porous carbon monolith, such as a carbon aerogel, comprising internal pores, and at least one nanomaterial, such as carbon nanotubes, disposed uniformly throughout the internal pores. The nanomaterial can be disposed in the middle of the monolith. In addition, a method for making a monolithic solid with both high surface area and good bulk electrical conductivity is provided. A porous substrate having a thickness of 100 microns or more and comprising macropores throughout its thickness is prepared. At least one catalyst is deposited inside the porous substrate. Subsequently, chemical vapor deposition is used to uniformly deposit a nanomaterial in the macropores throughout the thickness of the porous substrate. Applications include electrical energy storage, such as batteries and capacitors, and hydrogen storage.