The disclosed technology relates generally to apparatus comprising conductive polymers and more particularly to tag and tag devices comprising a redox-active polymer film, and method of using and manufacturing the same. In one aspect, an apparatus includes a substrate and a conductive structure formed on the substrate which includes a layer of redox-active polymer film having mobile ions and electrons. The conductive structure further includes a first terminal and a second terminal configured to receive an electrical signal therebetween, where the layer of redox-active polymer is configured to conduct an electrical current generated by the mobile ions and the electrons in response to the electrical signal. The apparatus additionally includes a detection circuit operatively coupled to the conductive structure and configured to detect the electrical current flowing through the conductive structure.

A composite particulate for a lithium battery, wherein the composite particulate has a diameter from 10 nm to 50 μm and comprises one or more than one anode active material particles that are dispersed in a high-elasticity polymer matrix or encapsulated by a high-elasticity polymer shell, wherein said high-elasticity polymer matrix or shell has a recoverable elastic tensile strain no less than 5%, when measured without an additive or reinforcement dispersed therein, and a lithium ion conductivity no less than 10.sup.−8 S/cm at room temperature and wherein the high-elasticity polymer comprises a crosslinked polymer network of chains derived from a phosphazene compound.

This application relates to nanostructured materials, such as nanoparticles, comprising anion-functionalized conductive polymers and methods of making same. The nanostructures may be used as electrode materials for secondary batteries or other energy storage devices.

Provided is a cathode active material for a lithium secondary battery and a method of manufacturing the same. The cathode active material for a lithium secondary battery includes a lithium metal oxide particle and a water-soluble polymer, and may have a secondary particle structure in which the lithium metal oxide particle and the water-soluble polymer are aggregated.

The present disclosure provides the use of a biomolecule, flavin, appended to a polymerizable unit that can then be polymerized to form an electroactive active polymer. The polymer and the flavin unit are comprised of an organic material containing C, H, N, and O atoms. The electroactive functionality is related to the double bonds that are present in the flavin unit that are appended to a non-electroactive backbone. This appended unit is rendered insoluble in the electrolyte of the discussed secondary battery unit. Several different molecular structures are disclosed exhibiting efficacy as energy storage medium in energy storage devices. Compounds have also been synthesized from which these different energy storage molecular structures are produced.

The present disclosure relates to compounds of formula IVa or IVb, or salts thereof, as intermediates in the manufacture of conducting redox polymers. L is a covalent linker moiety and R is a reversible redox group.

The disclosure further relates to conducting redox polymers produced from such compounds, as well as substrates coated with such conducting redox polymers, and organic batteries comprising such conducting redox polymers.

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The present disclosure provides a composite material comprising an electrically conductive polymer, such as poly(3,4-ethylenedioxythiophene) (PEDOT) and an ionically conductive polymer, such as poly(ethylene oxide) (PEO). This composite forms a dual conductor for three-dimensional electrodes in electrochemical applications including lithium ion batteries.

Provided is a lithium-ion battery or lithium-ion capacitor electrode material that can compensate for the drawbacks of a hydrophobic active material, that can impart hydrophilicity to the hydrophobic active material, and that can exhibit excellent dispersibility without deteriorating electrode characteristics. Specifically provided is an electrode material for a lithium-ion battery or a lithium-ion capacitor, the electrode material comprising a composite powder in which a B component is supported or coated on a surface of an A component, the A component comprising a material capable of electrochemically occluding and releasing lithium ions, the B component being sulfur-modified cellulose, and the B component being contained in an amount of 0.01 mass % or more based on 100 mass % of the total amount of the A component and the B component.

The present invention teaches an asymmetrical metal complex comprising a metal center coordinated with between two and six hydrophilic ligands, wherein at least one of said hydrophilic ligands is chemically different than the other said hydrophilic ligands.

An electrode assembly for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. The electrode assembly for the rechargeable lithium battery includes: a negative electrode including a current collector; a negative active material layer; an organic-inorganic composite layer integrated with the negative active material layer, the negative active material layer including an organic layer and an inorganic layer; and a positive electrode, the negative active material layer including a first layer physically contacting the current collector, the first layer including a first carbon-based negative active material, and a second layer on the first layer, including a second carbon-based negative active material, wherein a DD value of the first layer is about 30% to about 90% of a DD value of the negative active material layer, and the DD values are defined by Equation 1.
DD(Degree of Divergence)=(I.sub.a/I.sub.total)*100  Equation 1