13 results about "Redox polymers" patented technology

The invention relates to a method for producing a cathode (1) for a battery cell, comprising: pre-treating a cathode active material (4) with a first covalent binder; reacting the pretreated active material with a monomer in the presence of a solvent, thereby obtaining a cathode mixture; the cathode current collector (2) is pretreated with a second covalent connecting agent; applying a cathode mixture to the pretreated cathode current collector; heating the pretreated cathode current collector to a temperature of 50 DEG C to 150 DEG C to remove the solvent and polymerize the monomers into an electrically conductive redox polymer (5), thereby obtaining a cathode (1); wherein the polymer (5) is covalently linked to the cathode active material (4) and to the cathode current collector (2) via a first covalent linking agent (6) and via a second covalent linking agent (7), respectively. The invention also relates to a cathode (1) comprising the coated cathode current collector (2), and to a battery cell comprising the cathode (1).

The present invention relates to: a transition metal complex having a bidentate ligand including a pyrazole, a triazole, a tetrazole, an oxadiazole, or a thiadiazole, etc., wherein the transition metal complex is useful as an electron transfer mediator in a continuous blood glucose monitor, etc., for measuring a blood glucose concentration; and a redox polymer comprising the same. The transition metal complex and the redox polymer can exchange electrons quickly and smoothly between an enzyme and an electrode, and thus can be effectively used in a continuous blood glucose biosensor.

A redox-functionalized photoelectrode includes (a) a photoactive structure comprising a semiconductor and (b) a redox polymer coated on the photoactive structure, where a valence band potential of the semiconductor is more positive than a redox potential of the redox polymer. A photoelectrochemical method for separating targeted ionic species from a liquid includes exposing a redox-functionalized photoelectrode, which includes a photoactive structure comprising a semiconductor and a redox polymer comprising a redox-active group coated on the photoactive structure, to a liquid to be treated. During the exposure, the redox-functionalized photoelectrode is illuminated with light having a wavelength greater than a bandgap of the semiconductor. Oxidation of the redox-active group occurs, and targeted ionic species are removed from the liquid by adsorption onto the redox polymer.

The invention discloses a glucose monitoring probe and a preparation method thereof, the glucose monitoring probe comprises a working electrode, the working electrode is provided with a sensing layer, the sensing layer comprises glucolase and a redox polymer, and the redox polymer has a structure as shown in a formula (1): # imgabs0 #, a1 and A2 are the same and are selected from any one of 4-vinylpyridine and N-vinyl imidazole, and A3 is methacrylate quaternary ammonium salt. According to the invention, the glucose monitoring probe with high sensitivity and strong anti-interference capability and the preparation method thereof can be provided.

A method for producing a cathode (1) for a battery cell, including: pre-treating a cathode active material (4) with a first covalent linker; reacting the pre-treated active material with a monomer in the presence of a solvent, thereby obtaining a cathode mixture; pre-treating a cathode current collector (2) with a second covalent linker; applying the cathode mixture to the pre-treated cathode current collector; heating the pre-treated cathode current to a temperature between 50° C. and 150° C. to remove the solvent and polymerize the monomer into an electronically conductive redox polymer (5), thereby obtaining the cathode (1); wherein the polymer (5) is covalently bonded to the cathode active material (4) and to the cathode current collector (2) through the first (6) and the second (7) covalent linker, respectively. Also a cathode (1) including a coated cathode current collector (2) and a battery cell including the cathode (1).

The invention discloses a redox polymer and a preparation method thereof, the redox polymer has a structure as shown in the following formula (1): # imgabs0 #, A1 and A2 are the same and are selected from any one of 4-vinylpyridine and N-vinyl imidazole, and A3 is a quaternary ammonium salt compound or a zwitterionic compound. According to the present disclosure, it is possible to provide a redox polymer having better water solubility and lower redox equilibrium potential.

The present invention provides a redox polymer for forming an electrochemical sensor that is suitable for use in measurement over a long period (continuous monitoring) and excellent in stability, or a redox mediator constituting the same. The redox mediator provided by the present invention is a phenothiazine-based compound having a hydrophilic moiety introduced therein, the compound being represented by the general formula (2A) or (2B). The redox polymer provided by the present invention is a phenothiazine-based compound bound to a polymer, the compound being represented by the general formula (3A) or (3B). In the formulas, R9 and R10 are both substituents, or one of these moieties is a substituent, and the other moiety is a hydrogen atom, R(L)1, R(L)2, and R(L)4 to R(L)8 are each independently a predetermined group or atom, (QP)1, (QP)2, and (QP)4 to (QP)B are each independently a polymeric structure derived from a high molecular weight polymer which is present when their corresponding R(L)1, R(L)2, and R(L)4 to R(L)8 are a specific group.

The present invention relates to a method for producing a cathode (1) for a battery cell, comprising: pre-treating a cathode active material (4) with a first covalent linker; reacting the pre-treated active material with a monomer in the presence of a solvent, thereby obtaining a cathode mixture; pre-treating a cathode current collector (2) with a second covalent linker; applying the cathode mixture to the pre-treated cathode current collector; heating the pre-treated cathode current to a temperature between 50 °C and 150 °C to remove the solvent and polymerize the monomer into an electronically conductive redox polymer (5), thereby obtaining the cathode (1); wherein the polymer (5) is covalently bonded to the cathode active material (4) and to the cathode current collector (2) through the first (6) and the second (7) covalent linker, respectively. The present invention further relates to a cathode (1) comprising a coated cathode current collector (2) and to a battery cell comprising the cathode (1).

The present disclosure relates to a method for manufacturing a working electrode of a glucose monitoring probe, comprising: preparing a substrate; forming a base layer on the substrate; preparing a sensing layer reagent comprising a redox polymer, a glucose enzyme, a carbon nanotube, and a cross-linking agent, adding an amino modification to the carbon nanotube to enable the redox polymer and the carbon nanotube to form a covalent bond, and combining the carbon nanotube with the glucose enzyme, wherein the working voltage required by the working electrode is reduced under the catalytic action of the carbon nanotube, and the glucose enzyme is glucose oxidase; coating the sensing layer reagent on the base layer to form a sensing layer; forming a semi-permeable membrane on the sensing layer to control the passage rate of glucose molecules; and forming a biocompatible membrane on the semi-permeable membrane. According to the present disclosure, a method for manufacturing a working electrode of a glucose monitoring probe capable of reducing the working voltage of the working electrode and improving the reaction sensitivity to glucose can be provided.

The present invention relates to a transition metal complex or oxidation-reduction polymer including a phenyl-pyridine derivative, and an electrochemical biosensor including the same. The transition metal complex according to the present invention can be easily linked to various types of polymers. In addition, the transition metal complex according to one aspect of the present invention is electrochemically and structurally stable. Furthermore, in accordance with a method for preparing the transition metal complex according to one aspect of the present invention, various types of functional groups can be easily linked to a ligand.

The application develops a three-dimensional graphene and redox polymer composite electrode material through polymer interface engineering, optimizes the material structure and electrochemical properties by regulating and controlling the heat preparation parameters, realizes efficient capture of typical perfluorinated compounds, further integrates a boron-doped diamond electrode, constructs an electrochemical capture and conversion system, and can effectively separate and degrade trace concentration of perfluorinated compounds in industrial wastewater.

The application discloses a sensing layer containing self-assembled modified magnesium aluminum silicate, a sensor and a preparation method thereof. The sensing layer containing self-assembled modified magnesium aluminum silicate is formed by dropping and coating a sensing layer solution capable of self-assembling with a modified layer on the modified layer obtained by grafting a hydrophilic organic polymer on a working electrode of a flexible electrode. The sensing layer solution comprises a redox polymer, a tool enzyme, a crosslinking agent A and magnesium aluminum silicate. The mass ratio of the redox polymer, the tool enzyme, the crosslinking agent A and the magnesium aluminum silicate is 15-40:20-45:5-30:1-10. The hydrophilic organic polymer is grafted on the surface of the working electrode, and the hydrophilic organic polymer can be self-assembled with the magnesium aluminum silicate. The self-assembled and modified magnesium aluminum silicate has excellent gel performance and rheological property, has good film forming effect, and can improve the consistency, stability and accuracy of the sensor.

The present disclosure relates to a working electrode of a glucose monitoring probe that reduces interference, comprising a base layer, a sensing layer, a semipermeable membrane, and a biocompatible membrane, wherein the base layer is disposed on a flexible substrate; the sensing layer is formed on the base layer by coating a sensing layer reagent, which is capable of chemically reacting with glucose in blood or tissue fluid, wherein the sensing layer reagent comprises a redox polymer, a glucose enzyme, a carbon nanotube, and a cross-linking agent, wherein amino groups are added to the carbon nanotubes to tightly form a covalent bond between the redox polymer and the carbon nanotubes and bind to the glucose enzyme, thereby reducing the working voltage required for the working electrode under the catalytic action of the carbon nanotubes, wherein the glucose enzyme is glucose oxidase; the semipermeable membrane is formed on the sensing layer to control the passage rate of glucose molecules; and the biocompatible membrane is formed on the semipermeable membrane. According to the present disclosure, a working electrode of a glucose monitoring probe that can reduce interference is provided.