Abstract: A non-aqueous electrolyte electricity-storage element which includes a positive electrode including a positive-electrode active material capable of inserting and releasing anions, a negative electrode including a negative-electrode active material, and a non-aqueous electrolyte, wherein the positive-electrode active material is formed of a carbonaceous material, and a surface of the carbonaceous material includes fluorine.

Abstract: A negative electrode for a lithium secondary battery using lithium metal for the negative electrode and a method for manufacturing the same. The method includes forming a protective layer for dendrite prevention of the negative electrode. The method for manufacturing a negative electrode may be achieved by a process including coating a slurry containing fluorocarbon and/or fluorinated metal dispersed in a solvent onto a lithium metal layer and drying the slurry.

Abstract: Disclosed herein is an electrode material comprising a carbon-containing substrate, comprising a surface and a plurality of RF moieties wherein each RF moiety is covalently bound to the surface; and each RF moiety comprises a fluorine atom. Also, disclosed herein is a method of preparing an electrode material.

Abstract: Lithium-utilizing electrochemical cells, providing battery and hybrid-capacitor activity, are formed of one or more lithium battery anodes, one or more lithium battery cathodes, and one or more positive-charge or negative-charge hybrid capacitor electrodes which are formed of a combination of capacitor particles with one of anode or cathode particles. The anode and cathodes are formed of porous layers of particles of anode or cathode material, bonded to each side of a current collector foil. The hybrid capacitor electrodes are formed of porous layers of capacitor particles, mixed or layered with anode or capacitor particles, bonded to each side of a current collector foil. The compositions of the hybrid capacitors are determined to balance the capacities of the electrodes in the lithium-ion electrochemical cell to intercalate or adsorb lithium cations and corresponding anions in the electrolyte infiltrating the pores of the electrode materials.

Abstract: A negative electrode active material for a lithium ion secondary battery, the negative electrode active material including a porous carbon, wherein, in the porous carbon, a pore having a diameter of 20 nm to 1 ?m is formed in the surface of a carbon matrix and a nanopore communicating with the pore and having a diameter of 15 nm or smaller is formed inside the carbon matrix.

Abstract: A composition containing a carbon monofluoride admixture is provided. The carbon monofluoride admixture is generally in the form of layer having opposing upper and lower surfaces. Usually, an ion conducting or a solid electrolyte layer is position on one of the upper or lower layers of the monofluoride admixture. In some configurations, the ion conducting or a solid electrolyte layer can be alkaline metal aluminum oxide or alkaline metal aluminum fluoride. The alkaline metal is commonly lithium, and the alkaline metal aluminum oxide or alkaline metal aluminum fluoride is more commonly MzAlXy (M is one of alkali metals, X=O, F), Z commonly can have a value from about 0.5 to about 10 and y can have a value from about 1.75 to about 6.5, more commonly z can have a value from about 1 to about 5 and y can have a value from about 2 to about 4. The carbon monofluoride admixture can include a polymeric binder and one or more of a conductive carbon black and conductive graphite.

Abstract: The invention relates to the use of subfluorinated carbon nano-objects as an electrode material of primary lithium batteries, the electrode obtained by that use and a lithium battery comprising such an electrode. The subfluorinated carbon nano-objects used in the invention have a central part made of nonfluorinated carbon and a peripheral part made of fluorinated carbon of formula CFX where x represents the F/C atomic ratio, which is such that 0.25<x<1.1 and whereof the spectrum 19F MAS RMN has a single peak between ?150 and ?190 ppm/CFCl3 (outside of rotation bands). The invention applies to the field of storing and retrieving energy, in particular.

Abstract: A novel lubricant comprising a fluorinated graphene nanoribbon for a magnetic recording media structure is disclosed. The magnetic recording media structure includes a substrate, a magnetic recording layer for recording information disposed over the substrate, a protective overcoat layer for protecting the magnetic recording layer disposed over the magnetic recording layer, and a lubricant layer disposed over the protective overcoat layer and comprising a fluorinated graphene nanoribbon.

Abstract: A conductive polymer material and preparing method and uses thereof are provided. The conductive polymer material comprises conductive polymer and fluorinated graphene doping thereof. The weight ratio of the conductive polymer to the fluorinated graphene is 1:0.05-1. The conductive polymer is one of polythiophene or its derivatives, polypyrrole or its derivatives, and polyaniline or its derivatives. The cycle stability of the conductive polymer material is greatly enhanced for doping of the fluorinated graphene, and the conductive polymer contributes to the good capacitance properties. The preparing method can be operated simply with cheaper cost and lower request for equipments, and is suitable for industrial production.

Abstract: Disclosed is a nonaqueous secondary battery (100) comprising a positive electrode (155) having a positive current collector (151) made of a metal, and a positive electrode active material (153) composed of a lithium-metal complex oxide. The surface of the positive electrode active material (153) is coated with a lithium salt (158) having an average thickness of 20-50 nm.

Abstract: A cathode includes a carbon material having a surface, the surface having a first thin layer of an inert material and a first catalyst overlaying the first thin layer, the first catalyst including metal or metal oxide nanoparticles, wherein the cathode is configured for use as the cathode of a lithium-air battery.

Abstract: Highly dispersed lithium titanate crystal structures having a thickness of few atomic layers level and the two-dimensional surface in a plate form are supported on carbon nanofiber (CNF). The lithium titanate crystal structure precursors and CNF that supports these are prepared by a mechanochemical reaction that applies sheer stress and centrifugal force to a reactant in a rotating reactor. The mass ratio between the lithium titanate crystal structure and carbon nanofiber is preferably between 75:25 and 85:15. The carbon nanofiber preferably has an external diameter of 10-30 nm and an external specific surface area of 150-350 cm2/g. This composite is mixed with a binder and then molded to obtain an electrode, and this electrode is employed for an electrochemical element.

Abstract: An electrode for a battery includes a plurality of electrochemically active conversion-based particles coated by multilayer graphene, a plurality of carbon fibers, and a carbonaceous binder. The carbonaceous binder binds the active particles coated with the multilayer graphene to the plurality of carbon fibers. A battery containing the electrode and a method of making an electrode and a battery containing the electrode are also disclosed.

Abstract: Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems.

Abstract: A composition, comprising: a composite including (i) a carbon fluoride component comprising a CFx material, wherein x?1, and having a first electrochemical property, and (ii) a carbonaceous material component having a second electrochemical property. The carbon fluoride component is 70 wt % to 99 wt % based on a total weight of the composite. The carbonaceous material component is 1 wt % to 30 wt % based on the total weight of the composite. The composite is adapted to react with energy applied thereto, and wherein, upon such reaction, the composite provides a third electrochemical property that is higher than the first electrochemical property, higher than the second electrochemical property, and higher than a combination of the first and second electrochemical properties.

Abstract: The present invention provides an anode electrode of a lithium-ion battery, comprising an anode active material-coated graphene sheet, wherein the graphene sheet has two opposed parallel surfaces and at least 50% area of one of the surfaces is coated with an anode active material and wherein the graphene material is in an amount of from 0.1% to 99.5% by weight and the anode active material is in an amount of at least 0.5% by weight (preferably at least 60%), all based on the total weight of the graphene material and the anode active material combined.

Abstract: A secondary battery includes a first electrode, a second electrode, an ion transmission member in contact with the first electrode and the second electrode, and a hole transmission member in contact with the first electrode and the second electrode. Suitably, the first electrode contains a composite oxide. The composite oxide contains alkali metal or alkali earth metal. The composite oxide contains a p-type composite oxide as a p-type semiconductor.

Abstract: An electrochemical energy storage device, lithium super-battery, comprising a positive electrode, a negative electrode, a porous separator disposed between the two electrodes, and a lithium-containing electrolyte in physical contact with the two electrodes, wherein the positive electrode comprises a disordered carbon material having a functional group that reversibly reacts with a lithium atom or ion. The disordered carbon material is selected from a soft carbon, hard carbon, polymeric carbon or carbonized resin, meso-phase carbon, coke, carbonized pitch, carbon black, activated carbon, or partially graphitized carbon. In a preferred embodiment, a lithium super-battery having a functionalized disordered carbon cathode and a Li4Ti5O12 anode exhibits a gravimetric energy ˜5-10 times higher than those of conventional supercapacitors and a power density ˜10-30 times higher than those of conventional lithium-ion batteries. This device has the best properties of both the lithium ion battery and the supercapacitor.

Abstract: A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from (A) non-Li alkali metals; (B) alkaline-earth metals; (C) transition metals; (D) other metals such as aluminum (Al); or (E) a combination thereof; and wherein at least one of the electrodes contains therein a metal ion source prior to the first charge or discharge cycle of the device and at least the cathode comprises a functional material or nano-structured material having a metal ion-capturing functional group or metal ion-storing surface in direct contact with said electrolyte, and wherein the operation of the battery device does not involve the introduction of oxygen from outside the device and does not involve the formation of a metal oxide, metal sulfide, metal selenide, metal telluride, metal hydroxide, or metal-halogen compound.

Abstract: Some batteries can exhibit greatly improved performance by utilizing electrodes having randomly arranged graphene nanosheets forming a network of channels defining continuous flow paths through the electrode. The network of channels can provide a diffusion pathway for the liquid electrolyte and/or for reactant gases. Metal-air batteries can benefit from such electrodes. In particular Li-air batteries show extremely high capacities, wherein the network of channels allow oxygen to diffuse through the electrode and mesopores in the electrode can store discharge products.

Abstract: An electrode comprising a current collector containing aluminum, having a three dimensional porous structure in which: certain pores are open; the average diameter of the open pores being greater than or equal to 50 ?m and less than or equal to 250 ?m; two contiguous open pores communicate by at least one opening the diameter of which being greater than or equal to 20 ?m and less than or equal to 80 ?m; said structure containing a mixture comprising: a) at least one active material of the fluorinated carbon CFx type with x ranging between 0.5 and 1.2; b) at least one electron conducting additive; c) at least one binder.

Abstract: Electrochemical cells containing a stoichiometric capacity ratio of carbon-treated carbon monofluoride to carbon monofluoride being greater than 1:1 provide electrochemical cells having a tunable end-of-service indication.

Abstract: A nano graphene-enabled vanadium oxide composite composition for use as a lithium battery cathode active material, wherein the composite composition is formed of one or a plurality of graphene, graphene oxide, or graphene fluoride sheets or platelets and a plurality of nano-particles, nano-rods, nano-wires, nano-sheets, and/or nano-belts of a vanadium oxide with a size smaller than 100 nm (preferably smaller than 20 nm, further preferably smaller than 10 nm, and most preferably smaller than 5 nm), and wherein the graphene, graphene oxide, or graphene fluoride (having a thickness <20 nm, preferably <10 nm, further preferably <5 nm, and being most preferably of single-layer or less than 5 layers) is in an amount of from 0.01% to 50% (preferably <10%) by weight based on the total weight of graphene, graphene oxide or graphene fluoride and the vanadium oxide combined.

Abstract: A lithium/graphite fluoride primary battery prepared by a process which includes providing a graphite fluoride powder, mechanically milling the graphite fluoride powder so as to obtain an active material, providing a mixture comprising the active material and an electrically conductive carbon so as to form a part of a positive electrode, providing a body comprising lithium as a part of a negative electrode, and forming an electrochemical cell with the positive electrode and the negative electrode.

Abstract: A negative electrode active material of a non-aqueous secondary battery of the present invention includes a first active material, a second active material, and a third active material. The first active material is a carbon material having a D/G ratio of 0.15 or less, where G represents the peak intensity observed in a Raman spectrum from 1578 to 1592 cm?1 and D represents the peak intensity observed in a Raman spectrum from 1349 to 1353 cm?1 of Raman spectroscopy. The D50 of the second active material is 10 ?m or less. The second active material includes at least one of a first carbon material having the D/G ratio of 0.2 to 2.0 and a second carbon material having the D/G ratio of 1.0 to 2.0. The D50 of the third active material is 5 ?m or less. The third active material contains silicon and oxygen as constituent elements.

Abstract: Provided are a composite and a method of preparing an anode slurry including the same. More particularly, the present invention provides a composite including a (semi) metal oxide, a conductive material on a surface of the (semi) metal oxide, and a binder, and a method of preparing an anode slurry including preparing a composite by dispersing a conductive material in an aqueous binder and then mixing with a (semi) metal oxide, and mixing the composite with a carbon material and a non-aqueous binder.

Abstract: Solid state, thin film, electrochemical devices (10) and methods of making the same are disclosed. An exemplary device 10 includes at least one electrode (14) and an electrolyte (16) deposited on the electrode (14). The electrolyte (16) includes at least two homogenous layers of discrete physical properties. The two homogenous layers comprise a first dense layer (15) and a second porous layer (16).

Abstract: Provided is an electric storage battery including a jelly roll type electrode assembly having a mandrel. The mandrel includes a positive portion, a negative portion and a removable portion. In some embodiments, the mandrel is planar having two faces with a groove on each of the positive and negative portions. The grooves can be on the same or different faces of the mandrel. The grooves are dimensioned to accommodate a positive and negative feedthrough pin. The electrodes are wrapped around the mandrel using the removable portion to wind the mandrel. Once wrapped, the removable portion can be detached. The positive portion and the negative portion are left in the electrode assembly insulated from each other. The mandrel allows tighter wrapping of the jelly roll assembly, increasing battery miniaturization and also results in electrode assemblies in which after-placement of tabs does not result in burrs or shorting.

Abstract: The current invention describes a lithium/carbon monofluoride (Li/CFx) cell capable of delivering sufficient power to supply an ICD or similar demanding device. The cell exhibits the typical excellent long-term stability and predictability of the CFx system, as well as its high energy density (greater than about 300 Ah/cc, greater than about 600 Wh/cc). Additionally, the cell is capable of delivering about 0.5 W/cc of cathode volume for greater than 5 seconds with a voltage above 1.70 V (FIG. 1). The following invention embodiments can be applied individually or in conjunction with each other.

Abstract: The invention relates to a process for producing coated carbon particles, which comprises coating electrically conductive carbon particles with elemental doped or undoped silicon by chemical vapor deposition from at least one gaseous silane in an oxygen-free gas atmosphere in a reaction space, with the electrically conductive carbon particles being in continual motion during the vapor deposition, and also correspondingly coated carbon particles and their use in anode materials for lithium ion batteries.

Abstract: A nonaqueous electrolytic solution containing magnesium ions which shows excellent electrochemical characteristics and which can be manufactured in a general manufacturing environment such as a dry room, and an electrochemical device using the same are provided. A Mg battery has a positive-electrode can 1, a positive-electrode pellet 2 made of a positive-electrode active material or the like, a positive electrode 11 composed of a metallic net supporting body 3, a negative-electrode cup 4, a negative electrode 12 made of a negative-electrode active material 5, and a separator 6 impregnated with an electrolytic solution 7 and disposed between the positive-electrode pellet and the negative-electrode active material.

Abstract: The present disclosure relates generally to a high capacity cathode material suitable for use in a non-aqueous electrochemical cell that comprises a mixture of at least three different cathode materials, and more specifically a mixture of fluorinated carbon, an oxide of copper and an oxide of manganese. The present disclosure additionally relates to a non-aqueous electrochemical cell comprising such a cathode material and, in particular, to such a non-aqueous electrochemical cell that can deliver a higher capacity than a conventional cell, and/or that possesses an improved end-of-life indication.

Abstract: The invention provides a lithium primary battery including a negative electrode 12 comprising metal lithium or a lithium alloy, a positive electrode 11 including a positive electrode active material, a separator 13 interposed between the negative electrode 12 and the positive electrode 11, and a non-aqueous electrolyte. The negative electrode 12 includes a coating layer 17 on a surface thereof facing the positive electrode 11, the coating layer containing carbon particles each having fluorine-containing fine particles on the surface thereof, for the purpose of improving both the discharge performance and the high temperature storage characteristics.

Abstract: An electrode sheet is provided. The electrode sheet includes a substrate and a coating layer coated on the substrate. The coating layer includes a graphene fluoride stuff, the graphene fluoride stuff has excellent conductivity. An electrode material produced by the graphene fluoride stuff has higher energy density and higher conductivity. Furthermore, a preparation method of the electrode sheet, a super capacitor and a lithium ion battery used the electrode sheet are provided.

Abstract: An electrode plate is provided. The electrode plate includes a substrate and a coating coated on the substrate plate, wherein the coating includes fluoride oxide graphene materials. The fluoride oxide graphene material has excellent conductivity, so that the electrode material which is made of the graphene material has high energy density and electrical conduction efficiency. A preparing method for the electrode plate, and a super capacitor and a lithium ion battery both prepared with the electrode plate are also provided.

Abstract: The battery has an electrolyte activating one or more anodes and one or more cathodes. At least one of the one or more cathodes includes or consists of one or more first active materials selected from the group consisting of: fluorinated carbon (CFx),CuCl2, and LiCuCl2; and includes or consists of one or more second active materials selected from the group consisting of lithium vanadium oxide, such as Li1+yV3O8, where y is greater than zero and/or less than 0.3, TiS2, polypyrrole, MoO2, MoS2, MnO2, V2O5, V6O13, H2V3O8, and metal vanadium oxides represented by MyH1?yV3O8 where 0<y?1 and M represents Na, Mg, Ba, K, Co, and Ca and combinations thereof.

Abstract: A nonaqueous electrolyte secondary battery is obtained which shows good cycle characteristics even when charged to a high voltage. The nonaqueous electrolyte secondary battery has a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte, wherein a lithium-containing transition metal oxide having a layered structure is contained in the positive electrode as the positive active material, an additive which is reductively decomposed in the range of +3.0-1.3 V versus metallic lithium is contained in the nonaqueous electrolyte, and the battery after assembled is overdischarged until a potential of the positive electrode falls down to a reductive potential of the additive or below.

Abstract: Disclosed are a positive active material that includes a core particle including a lithium-containing compound configured to reversibly intercalate and deintercalate lithium, and a coating layer on a surface of the core particle, the coating layer including a material including a carbon-fluorine (C—F) bond, a method of manufacturing the same, and a rechargeable lithium battery including the positive active material.

Abstract: A lithium mixed metal oxide containing Li, Mn and M (M represents at least one metal element, and is free from Li or Mn), and having a peak around 1.5 ? (peak A), a peak around 2.5 ? (peak B), and the value of IB/IA is not less than 0.15 and not more than 0.9 in a radial distribution function obtained by subjecting an extended X-ray absorption fine structure (EXAFS) spectrum at K absorption edge of Mn in the oxide to the Fourier transformation, wherein IA is the intensity of peak A and IB is the intensity of peak B.

Abstract: An electrochemical cell is described. The electrochemical cell includes an anode, a cathode, a separator between said anode and said cathode, and an electrolyte. The electrolyte includes a salt dissolved in an organic solvent. The separator in combination with the electrolyte has an area specific resistance less than 2 ohm-cm2. The electrochemical cell has an interfacial anode to cathode ratio of less than about 1.1.

Abstract: A lithium super-battery cell comprising: (a) A cathode comprising a cathode active material having a surface area to capture or store lithium thereon, wherein the cathode active material is not a functionalized material and does not bear a functional group; (b) An anode comprising an anode current collector; (c) A porous separator disposed between the two electrodes; (d) A lithium-containing electrolyte in physical contact with the two electrodes, wherein the cathode active material has a specific surface area of no less than 100 m2/g being in direct physical contact with the electrolyte to receive lithium ions therefrom or to provide lithium ions thereto; and (e) A lithium source implemented at one or both of the two electrodes prior to a first charge or a first discharge cycle of the cell. This new generation of energy storage device exhibits the best properties of both the lithium ion battery and the supercapacitor.

Abstract: The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems.

Abstract: An object is to provide graphene which has high conductivity and is permeable to ions of lithium or the like. Another object is to provide, with use of the graphene, a power storage device with excellent charging and discharging characteristics. Graphene having a hole inside a ring-like structure formed by carbon and nitrogen has conductivity and is permeable to ions of lithium or the like. The nitrogen concentration in graphene is preferably higher than or equal to 0.4 at. % and lower than or equal to 40 at. %. With use of such graphene, ions of lithium or the like can be preferably made to pass; thus, a power storage device with excellent charging and discharging characteristics can be provided.

Abstract: A method for producing a halogenated activated carbon material includes heating a natural, non-lignocellulosic carbon precursor in an inert or reducing atmosphere to form a first carbon material, mixing the first carbon material with an inorganic compound to form a mixture, heating the mixture in an inert or reducing atmosphere to incorporate the inorganic compound into the first carbon material, removing the inorganic compound from the first carbon material to produce an activated carbon material, and treating the activated carbon material with a halogen source to form a halogenated activated carbon material. The halogenated activated carbon material is suitable to form improved carbon-based electrodes for use in high energy density devices.

Abstract: A negative electrode for a non-aqueous electrolyte secondary battery is provided. The negative electrode includes: an electro-conductive base; a first layer provided on the electro-conductive base; and a second layer provided on the first layer. The first layer includes at least a graphitic material as a negative active material. The second layer includes at least a non-graphitizable carbonaceous material as a negative active material.

Abstract: The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems.

Abstract: A method of making a cathode for a lithium primary battery includes lithiated manganese dioxide and a carbon fluoride. The cathode can provide high capacity and voltage with low gassing.

Abstract: A lithium/fluorinated carbon electrochemical cell having the CFx material supported on a titanium current collector screen sputter coated with a noble metal is described. The gold, iridium, palladium, platinum, rhodium and ruthenium-coated titanium current collector provides the cell with higher rate capability, even after exposure to high temperatures, in comparison to cells of a similar chemistry having the CFx contacted to a titanium current collector painted with a carbon coating.

Abstract: The present invention relates to a positive electrode active substance for non-aqueous electrolyte secondary batteries which comprises particles comprising a polyanionic compound and carbon, and a lipophilic treatment agent with which the respective particles are coated, wherein the positive electrode active substance has an average particle diameter of 1 to 50 ?m. The positive electrode active substance preferably has an oil absorption of not more than 20 mL/100 g. The positive electrode active substance according to the present invention exhibits a good compatibility with a resin and is excellent in packing property and dispersibility in the resin, and therefore can provide an electrode sheet in which the positive electrode active substance is filled with a high packing density.

Abstract: Subfluorinated carbonaceous materials obtained through direct fluorination of graphite or coke particles are provided. One set of subfluorinated carbonaceous materials has an average chemical composition CFx in which 0.63<x?0.95, 0.66<x?0.95 or 0.7<x?0.95. The subfluorinated carbonaceous materials are capable of electrochemical performance superior to commercial CF at relatively high rates of discharge.