Abstract: A biodegradable battery is provided. The battery includes an anode comprising a material including an inner surface and an outer surface, wherein electrochemical oxidation of the anode material results in the formation of a reaction product that is substantially non-toxic and a cathode comprising a material including an inner surface and an outer surface, the inner surface of the cathode being in direct physical contact with the inner surface of the anode, wherein electrochemical reduction of the cathode material results in the formation of a reaction product that is substantially non-toxic, and wherein the cathode material presents a larger standard reduction potential than the anode material.

Abstract: The present invention relates to electrode material for an electrical cell comprising as component (A) at least one ion- and electron-conductive metal chalcogenide, as component (B) carbon in a polymorph comprising at least 60% sp2-hybridized carbon atoms, as component (C) at least one sulfur-containing component selected from the group consisting of elemental sulfur, a composite produced from elemental sulfur and at least one polymer, a polymer comprising divalent di- or polysulfide bridges and mixtures thereof, and as component (D) optionally at least one binder. The invention further relates to a rechargeable electrical cell comprising at least one electrode which has been produced from or using the inventive electrode material, to the use of the rechargeable electrical cell and to the use of an ion- and electron-conductive metal chalcogenide for production of an inventive rechargeable electrical cell.

Abstract: The present invention provides an electrode active material for an electricity storage device, having a structure represented by following formula (1). In the formula (1), R1 to R6 each denote independently a hydrogen atom (except for a case where all of R1 to R6 denote hydrogen atoms), a halogen atom, an optionally substituted phenyl group, an optionally substituted heterocyclic group, or an optionally substituted hydrocarbon group having 1 to 4 carbon atoms.

Abstract: A negative active material, a method of preparing the same, and a lithium battery including the negative active material are disclosed. The negative active material includes a silicon-based nanocore and a first amorphous carbonaceous coating layer that is formed of carbonized organic material and that is uniformly and continuously formed on a surface of the silicon-based nanocore, whereby irreversible capacity losses due to volumetric expansion/contraction caused when a lithium battery is charged and discharged are compensated and cycle lifetime characteristics are enhanced.

Abstract: An electrode of the present invention includes: an electrically conductive support (11); and an active material layer (12) provided on the electrically conductive support (11), containing an electrode active material (13) and an electrical conductivity assistant (14), wherein: the electrode active material (13) includes at least one of a first polymer compound having a tetrachalcogenofulvalene structure in a repetition unit of a main chain, and a second polymer compound which is a copolymer between a first unit which has the tetrachalcogenofulvalene structure in a side chain and a second unit which does not have the tetrachalcogenofulvalene structure in the side chain; and in active material layer (13), the electrode active material (13) does not form particles but covers at least a portion of a surface of the electrical conductivity assistant (14).

Abstract: Disclosed is a novel organic compound synthesized by oligomerizing or polymerizing a specific quinone compound having two quinone groups at the ortho position and having a property such that the electron transfer occurs associated with a reversible redox reaction, the organic compound being insoluble in an organic solvent and having a high energy density, and thus being useful as an electrode active material for a power storage device. Using this organic compound as an electrode active material can improve the energy density, reduce the weight and size, and improve the functionality of the power storage device.

Abstract: An electrode active material for a power storage device of the invention includes a ketone compound that includes a ring structure in a molecule, the ring structure being a five-membered or seven-membered ring composed of atoms at least three adjacent ones of which are each bonded to a ketone group. The electrode active material for a power storage device of the invention has a high weight-energy density and good reversibility of oxidation-reduction reaction. The use of the electrode active material for a power storage device of the invention can provide a power storage device having a high capacity, a high voltage, and good charge/discharge cycle characteristics.

Abstract: The present invention relates to electrode materials for charged electrical cells, comprising at least one polymer comprising polysulfide bridges, and carbon in a polymorph comprising at least 60% sp2-hybridized carbon atoms. The present invention further relates to electrical cells comprising the inventive electrode material, to specific polymers comprising polysulfide bridges, to processes for preparation thereof and to the use of the inventive cells.

Abstract: The present disclosure provides an electrode including an electrically conductive ink deposited thereon comprising: a nano-scale conducting material; a binding agent; and an enzyme; wherein said ink is essentially solvent free. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the electrode provided herein is used in a battery, fuel cell or sensor.

Abstract: The present invention is to provide a lithium ion secondary battery that realizes to raise an initial charge and discharge efficiency without deteriorating its charge and discharge characteristic in comparison with the conventional technology. A carbon material and a lithium ion secondary battery using the carbon material as the anode material, wherein the face interval d002 of the carbon material determined by an X ray diffraction apparatus is not less than 0.340 nm and not more than 0.370 nm, and further, V1/V2 representing a ratio of a volume V1 of pores having diameters from not less than 1 nm to less than 10 nm in the carbon material with respect to a volume V2 of pores having diameters from not less than 10 nm to less than 100 nm therein is not more than 0.2.

Abstract: The nonaqueous secondary battery of the present invention comprises a positive electrode having a positive electrode mixture layer containing a lithium-containing composite oxide as a positive electrode active material, a negative electrode, a separator, and a nonaqueous electrolyte. The surface of the positive electrode active material or the positive electrode mixture layer is coated with polyvalent organic metal salt, particularly preferably with fluorine-containing polyvalent organic lithium salt.

Abstract: Hybrid radical energy storage devices, such as batteries or electrochemical devices, and methods of use and making are disclosed. Also described herein are electrodes and electrolytes useful in energy storage devices, for example, radical polymer cathode materials and electrolytes for use in organic radical batteries.

Abstract: A secondary battery includes a cathode, an anode, and an electrolytic solution. The anode or the electrolytic solution, or both contain a metal salt including an unsaturated carbon bond.

Abstract: Embodiments of the present disclosure provide for flexible graphene-coated pyrolytic carbon materials or structures, methods of making, methods of use, materials including the graphene-coated pyrolytic carbon material or structure, structures including the graphene-coated pyrolytic carbon material or structure, and the like.

Abstract: A method includes modifying a surface of an electrode active material including providing a solution or a suspension of a surface modification agent; providing the electrode active material; preparing a slurry of the solution or suspension of the surface modification agent, the electrode active material, a polymeric binder, and a conductive filler; casting the slurry in a metallic current collector; and drying the cast slurry.

Abstract: A negative electrode mixture layer containing CMC and a hydroxy group-modified PVP. The mass ratio of CMC is greater than that of the hydroxy group-modified PVP. The hydroxy group-modified PVP has low affinity with a solvent for a solvent-system slurry that forms an inorganic particle layer. Adhesion strength is prevented from degrading after forming the inorganic particle layer on the negative electrode mixture layer.

Abstract: A method includes modifying a surface of an electrode active material including providing a solution or a suspension of a surface modification agent; providing the electrode active material; preparing a slurry of the solution or suspension of the surface modification agent, the electrode active material, a polymeric binder, and a conductive filler; casting the slurry in a metallic current collector; and drying the cast slurry.

Abstract: A lithium ion secondary battery includes a cathode and an anode being opposed to each other with a separator in between, and an electrolytic solution. One or more of the cathode, the anode, and the separator contain an organic silicon compound including a compound having a polysilsesquioxane skeleton.

Abstract: A method of producing a positive electrode active substance comprising steps of: dissolving a lithium source, an M source, a phosphorus source and an X source in amounts needed to form a lithium-containing composite oxide having an olivine structure and represented by the following general formula (1): LixMyP1-zXzO4??(1) wherein, in the formula, M is at least one kind of element selected from the group of Fe, Ni, Mn, Zr, Sn, Ti, Nb, V, Al and Y; X is at least one kind selected from the group of Si and Al; 0<x?2; 0.8?y?1.2; and 0?z?1, in a solvent being capable to dissolve these sources, thereby forming a solution; gelating the obtained solution by adding a cyclic ether compound and sintering the resulting gel to obtain the positive electrode active substance made of the lithium-containing composite oxide having an olivine structure that is covered with carbon deriving from the cyclic ether compound.

Abstract: A negative electrode for a lithium secondary battery includes a negative-electrode active material having a specific surface area of Sx (m2/g) and an average particle size of Lx (?m), a fibrous conductive material having a specific surface area of Sy (m2/g) and an average length of Ly (?m), and a granular conductive material having a specific surface area of Sz (m2/g) and an average particle size of Lz (?m), in which letting the negative-electrode active material content be X, letting the fibrous conductive material content be Y, and letting the granular conductive material content be Z, Log ((SyY+SzZ)/SxX×10?1)×Log ((LyY+LzZ)/LxX×101) is defined as an electrode parameter, and the electrode parameter satisfies Log ((SyY+SzZ)/SxX×10?1)×Log ((LyY+LzZ)/LxX×101)?0.

Abstract: [Problem] To provide a hybrid negative plate for a lead-acid storage battery, that inhibits decrease in hydrogen gas evolution potential and improves rapid discharge cycle characteristics in PSOC. [Means for Resolution] In a hybrid negative plate for a lead-acid storage battery, comprising a negative electrode active material-filled plate having formed on the surface thereof a coating layer of a carbon mixture comprising a carbon material for ensuring conductivity, activated carbon for ensuring capacitor capacity and/or pseudocapacitor capacity, and at least a binder, activated carbon modified with a functional group is used as the activated carbon. Preferably, activated carbon modified with an acidic surface functional group is used.

Abstract: An electric storage device has positive and negative electrode systems. The positive electrode system includes a positive electrode having a current collector and a positive-electrode mixture layer. The negative electrode system includes a negative electrode having a current collector and a negative-electrode mixture layer. The negative electrode system further includes a first negative-electrode mixture layer and a second negative-electrode mixture layer, which are connected to each other and which include at least one different material or have different material composition ratios. The first negative-electrode mixture layer and the second negative-electrode mixture layer have different charge/discharge characteristics. A through-hole is formed in the current collector arranged between the first negative-electrode mixture layer and the second negative-electrode mixture layer.

Abstract: There is provided a lithium ion storage device including a positive electrode having a positive electrode active material that is a lithium-containing compound and is capable of absorbing and desorbing lithium ions, and a negative electrode having a negative electrode active material capable of absorbing and desorbing lithium ions. The irreversible capacity of the positive electrode active material that is a capacity at which lithium ions cannot be reabsorbed after being desorbed from the positive electrode active material is 6% to 40% of a usage capacity of the negative electrode that is a capacity at which lithium ions are reversibly absorbed and desorbed by the negative electrode active material.

Abstract: A positive electrode for a lithium secondary battery is described which includes a lithium transition metal complex oxide including a lithium nickel based complex oxide and/or a lithium cobalt based complex oxide, active carbon having a specific surface area of from about 900 m2/g to about 1600 m2/g, and a water-based binder.

Abstract: The present invention provides anode materials, methods of producing them, electrochemical cells, and lithium-ion batteries, where the anode material comprises mesoporous silicon and carboxymethyl cellulose. In certain embodiments, the mesoporous silica additionally comprises other materials within its pores, such as lithium.

Abstract: An energy storage device is provided. The energy storage device includes a positive electrode, a negative electrode covered by a protective layer, and an electrolyte. The positive electrode includes fast-energy-storage electrochemical capacitive materials coated on a current collector. The negative electrode includes metal materials capable of having electrochemical reactivity toward lithium ion. The protective layer includes oxides or hydroxides of the metal materials.

Abstract: The invention provides a cathode active material that includes: a particle containing a cathode material capable of absorbing and releasing an electrode reactive material; and a film that is disposed at least partially to the particle and contains a metal salt represented by a formula (1). (R1 represents a (a1+b1+c1) valent group and M1 represents a metallic element. a1, d1, e1 and n each represent an integer of 1 or more and b1 and c1 each represent an integer of 0 or more. However, b1 and c1 satisfy (b1+c1)?1.), a cathode therewith and a non-aqueous electrolyte secondary battery.

Abstract: A method for producing a secondary cell according to the present invention includes step (A) of putting a solution having an electrochemically reversibly oxidizable/reducible organic compound and a supporting electrolyte dissolved therein into contact with a positive electrode active material, thereby oxidizing or reducing the positive electrode active material; and step (B) of accommodating the oxidized positive electrode active material and a negative electrode active material in a case in the state of facing each other with a separator being placed therebetween, and filling the case with an electrolyte solution. By oxidizing or reducing the positive electrode active material, lithium ions or anions as the support electrode are incorporated into the positive electrode active material.

Abstract: The inventive subject matter relates to hollow carbon nanospheres (HCNS) as a material for making ion storage material, and particularly lithium ion storage material used for batteries.

Abstract: An Si/C composite includes carbon (C) dispersed in porous silicon (Si) particles. The Si/C composite may be used to form an anode active material to provide a lithium battery having a high capacity and excellent capacity retention.

Abstract: A new invention in cathode composition, arrangement, and design for primary and secondary batteries that offers high power, high capacity, and high specific energy is proposed herein. The claimed technology described herein incorporates materials into the cathode that results in a cathode which may accept two electrons per active site. Other advantages of the technology included herein include: 1) lower cost, 2) environmental friendliness, 3) safety, 4) a wide operational temperature range, 5) backwards compatibility with present electrochemical cells, and 6) versatility. The technology is cross-cutting, and has high impact applications, such as for electric vehicles, which require both high power and high specific energy.

Abstract: A process for coating fine particles, in which the feed mixture contains: a monomer and/or an oligomer of aromatic compounds or unsaturated hydrocarbon compounds suitable for forming an electroconductive oligomer, polymer, copolymer, block copolymer or graft copolymer; at least one type of anions which (1) are and/or can be incorporated as doping ions into the structure of the conductive polymer; (2) can be discharged from said structure in the event of a potential fall of the conductive polymer (reduction); and (3) can have an anti-corrosive effect in the presence of a metallic surface; at least one type of particles; if necessary, at least one oxidising agent and water and/or at least another solvent. A coating is formed from the feed mixture on the particle surface, the feed mixture being converted by oxidation into a conductive polymer in the presence of at least one type a of mobile anti-corrosive anion.

Abstract: Li-ion batteries are provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, a separator electrically separating the anode and the cathode, and at least one hydrofluoric acid neutralizing agent incorporated into the anode or the separator. Li-ion batteries are also provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode, where the electrolyte may be formed from a mixture of an imide salt and at least one salt selected from the group consisting of LiPF6, LiBF4, and LiClO4. Li-ion battery anodes are also provided that include an active material core and a protective coating at least partially encasing the active material core, where the protective coating comprises a material that is resistant to hydrofluoric acid permeation.

Abstract: The present invention provides a positive electrode active material for nonaqueous solvent secondary batteries, comprising, as an active ingredient, a 1,4-benzoquinone compound having lower alkoxy groups as substitutes, and a nonaqueous secondary battery comprising the positive electrode active material as a constituent. According to the invention, a nonaqueous secondary battery having a high energy density and excellent cycle characteristics can be obtained by using a positive electrode active material composed of an organic compound with a low environmental load.

Abstract: An anode is provided as one capable of suppressing rapid entrance/exit of lithium ions during quick charge-discharge and ensuring sufficient safety in use as an anode of a lithium-ion secondary battery. The anode is an anode for lithium-ion secondary battery having a current collector, and an active material-containing layer formed on the current collector, wherein the active material-containing layer is comprised of an outermost layer disposed on the farthest side from the current collector, and a lower layer composed of at least one layer disposed between the outermost layer and the current collector, and wherein a degree of flexion of the outermost layer is larger than a degree of flexion of the lower layer.

Abstract: A non-aqueous secondary battery of the present invention includes a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive electrode material mixture layer containing a lithium-containing transition metal oxide. The negative electrode includes a negative electrode material mixture layer and a porous layer containing an insulating material unreactive with lithium formed thereon. The negative electrode material mixture layer includes a negative electrode material including a core and a carbon covering layer covering a surface of the core. The core includes a material containing silicon and oxygen at an atomic ratio x of the oxygen to the silicon of 0.5?×?1.5. The material containing silicon and oxygen has a peak at least in a range of 1850 to 1860 eV in an X-ray absorption near edge structure spectrum at the K absorption edge of Si in a state in which discharge of the battery is finished.

Abstract: The object of the present invention is to provide an electrode material which enables the production of an electricity storage device that has a large discharge capacity, and suffers minimal voltage drop due to resistance even when discharge is performed at a large electric current; a method for producing the electrode material; and an electricity storage device that exhibits both high energy density and high output characteristics, and an electricity storage device is produced which uses, as an electrode, a polymer radical material-activated carbon-conductive material composite, prepared by adding dropwise, or pouring, a raw material solution, in which a polymer radical material having a radical partial structure in a reduced state is dissolved or swollen and an activated carbon and a conductive material are dispersed or dissolved, into a solution in which the polymer radical material, the activated carbon and the conductive material do not dissolve or swell, thus obtaining a precipitate containing the polym

Abstract: A method of manufacturing a composite material, the method comprising: (i) providing a ceramic powder comprising ceramic agglomerates, the agglomerates having an intra-agglomerate void volume space; (ii) providing a polymer; (iii) mixing the polymer with the ceramic powder to form a mixture comprising the agglomerates at least partially impregnated with the polymer, wherein the volume of polymer in the mixture is at least 80% of the total intra-agglomerate void volume space, but less than 130% of the total intra-agglomerate void volume space; (iv) optionally shaping the mixture to form a preform; (v) and treating the mixture to provide ceramic agglomerates which are at least partially impregnated with solid polymer.

Abstract: A lithium-free, anion based charge transport electrochemical system that uses fluoride ion transporting electrolytes, including ionic liquids, with and without various additives to improve performance, is described. The fluoride ion transporting electrolyte can be wholly or partly an ionic liquid that is typically liquid at temperatures less than 200 degrees Celsius. In other embodiments, electrolytes that remain liquid at less than 100 degrees Celsius are useful.

Abstract: A lithium battery is provided. The lithium battery comprises a first plate, a second plate and a separator. The first plate is composed of a plurality of electrode material layers stacked on one another. At least one of the electrode material layers comprises a thermal activation material. The separator is disposed between the first plate and the second plate.

Abstract: Nanoparticles comprising zinc, methods of manufacturing nanoparticles comprising zinc, and applications of nanoparticles comprising zinc, such as electrically conducting formulations, reagents for fine chemical synthesis, pigments and catalysts are provided, and more particularly, a coating, comprising a nanomaterial composition comprising zinc and at least one metal other than zinc, wherein the at least one metal comprises an element that (a) has an oxidation state higher than an oxidation state of zinc and that (b) dopes zinc in the nanomaterial composition, and wherein the coating has an electrical conductivity greater than 0.0001 mhos·cm.

Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode contains a positive electrode active material including element M2 incorporated in a crystal structure in a surface layer area of a complex oxide, the oxide including the element M1 and being represented by the following formula (1), M2 being different from M1. The element M2 is at least one kind selected from the group consisting of magnesium Mg, calcium Ca, titanium Ti, zirconium Zr, sulfur S, fluorine F, iron Fe, copper Cu, boron B, aluminum Al, phosphorus P, carbon C, manganese Mn, nickel Ni, and cobalt Co. Li1+a(MnbCocNi1?b?c)1?aM1dO2?e??(1) M1 is at least one kind of aluminum, magnesium, zirconium, titanium, barium Ba, boron, silicon Si, and iron, a satisfies 0<a<0.25, b satisfies 0.5?b<0.7, c satisfies 0?c<1?b, d satisfies 0.01?d?0.2, and e satisfies 0?e?1.

Abstract: Disclosed are an electrode active material for a power storage device and a power storage device including the same. The electrode active material includes a polymer that includes: a tetravalent group derived from a compound selected from the group consisting of EBDT and derivatives thereof, TTF and derivatives thereof, a condensation product of EBDT and TTF and derivatives thereof, and a TTF dimer and derivatives thereof; and a divalent group —S-A-S— where A is a divalent aliphatic group or a divalent group represented by the formula -E-D-E- where D represents a divalent alicyclic group, a divalent aromatic group, or a carbonyl group, and two Es each independently represent a divalent aliphatic group. Adjacent two tetravalent groups mentioned above are linked by one or two divalent groups mentioned above.

Abstract: An organic negative electrode is provided in the present application. The organic negative electrode comprises a first element having conductive material, a second element formed by a high polymer solution and set on the first element, and a third element having chlorophyll and formed on the second element. A battery with said organic negative electrode is also provided.

Abstract: An active material for an electrochemical device may have a surface modification agent that is a silane, organometallic compound, or a mixture of two or more of such compounds. Both negative and positive electrodes may be prepared from the surface modified active materials. The surface of an electrode may be modified by adding the surface modification agent to a non-aqueous electrolyte used in constructing a battery. An electrode or active material may be modified with a surface modification agent in either the gas phase or in solution. Slurries of the active agent may be prepared and the surface modification agent added, the slurry then be used to cast an electrode that is then dried.

Abstract: An electrode active material comprising a silicon-containing carbon-based composite material obtained by: preparing a cured product of (A) a silicon-free organic compound having a crosslinkable group, and (B) a silicon-containing compound capable of crosslinking the component (A); and baking the cured product in an inert gas or in a vacuum at 300 to 1,500° C.; an electrode comprising the electrode active material; and an electricity storage device comprising the electrode. The electrode active material has high reversible capacity and stable charge and discharge cycle characteristics, has little electrical potential loss when lithium is discharged, and furthermore, can be manufactured via a simple manufacturing process. Therefore, an electrode active material that is particularly suitable for an electrode of a lithium secondary battery can be provided, and an electricity storage device having an electrode comprising the electrode active material can also be provided.

Abstract: This invention relates to an electrode active material, an electrode containing the active material, and an electricity storage device including the electrode. The electrode active material comprises a silicon-containing carbon-based composite material obtained by preparing a uniform phase comprising at least (A) a crosslinkable composition that includes a silicon-containing compound having a crosslinkable group, and (B) a liquid or melt that does not participate in the crosslinking reaction of the crosslinkable composition; then crosslinking the component (A), causing phase-separation from the component (B) for obtaining silicon-containing crosslinked particles or a dispersion wherein the silicon-containing crosslinked particles are dispersed in the component (B); and then baking the silicon-containing crosslinked particles or the dispersion in an inert gas or in a vacuum at 300 to 1,500° C.

Abstract: Current collectors and methods are provided that relate to electrodes that are useful in lithium polymer electrochemical cells. The provided current collectors include a metallic substrate, a substantially uniform nano-scale carbon coating, and an active electrode material. The coating has a maximum thickness of less than about 200 nanometers.

Abstract: Provided is a positive electrode plate, which is high in the peeling strength of an anode activating substance layer and which is suppressed in the increase of a battery resistance. Also provided are a battery using the positive electrode plate, a vehicle having the battery mounted thereon, a battery-mounting device, and a positive electrode plate manufacturing method capable of manufacturing the anode activating substance layer properly. The positive electrode plate includes a substrate having conductivity, and a positive electrode active material layer formed in the substrate and containing positive electrode active material particles, a conductive material and binders. These binders are made of either only polyethylene oxide, or only polyethylene oxide and carboxymethyl cellulose.

Abstract: An imide derivative represented by the following formula (A): wherein Ra and Rb are each a hydrogen atom, a halogen atom, a cyano group, an alkyl group, a fluoroalkyl group or an aryl group; at least one of Ra and Rb is a fluoroalkyl group; and Rc and Rd are each a substituted or unsubstituted benzyl group, an aryl group, a heterocycle, a fluoroalkyl group or an imide group.