Alerta

HIGH LOADINGS OF SILVER NANOWIRES: DISPERSIONS AND PASTES; CONDUCTIVE MATERIALS; AND CORRESPONDING METHODS

Resumen de: US20260201181A1

0000 Concentrated dispersions of silver nanowires are used to prepare qualitatively distinct silver structures with a range of properties. The concentrated dispersions can have a high weight percent of silver nanowires and can be formulated to be flowable liquids or non-flowing pastes. The concentrated dispersions can be stable with no visible settling over the course of a week, can have non-Newtonian rheology, and can be diluted to a desired weight percent of silver nanowires without detrimental effects on the uniformity of the dispersions. The concentrated dispersions can be formulated with or without polymers or pre-polymer components. The concentrated dispersions can be formulated with silver salts to adjust dispersion of the silver nanowires and to improve electrical conductivity of cured silver structures formed from the dispersions. Methods for forming the concentrated dispersions are described as are methods to form silver structures from the dispersions.

ELECTRICALLY CONDUCTIVE COMPOSITION

Resumen de: US20260201182A1

0000 The present invention relates to an electrically conductive composition comprising a) a nitrocellulose resin; b) electrically conductive particles comprising graphite and carbon black, wherein ratio of the graphite and the carbon black is from 1:1 to 5:1; c) a solvent; and d) a di- or multi-functional isocyanate, where in ratio of the electrically conductive particles and the resin is from 0.20:1 to 4:1. The compositions according to the present invention can be used as a structural adhesives or to generate an electrically conductive surface onto a non-conductive substrate.

BLENDED GRAPHENE DISPERSIONS

Resumen de: US20260200742A1

An aqueous dispersion of graphenic carbon nanoparticles is disclosed comprising an aqueous medium, greater than one weight percent graphenic carbon nanoparticles based upon a total weight of the dispersion comprising thermally produced graphenic carbon nanoparticles and base graphene particles, and a polymeric resin dispersant. The weight ratio of the graphenic carbon nanoparticles to the dispersant may be greater than 5:1, the dispersion may have an instability index of less than 0.7, and a weight ratio of the thermally produced graphenic carbon nanoparticles TG to base graphene particles BG is greater than 0.1:1. A method is also disclosed for forming an aqueous dispersion of graphenic carbon particles. A polymeric resin dispersant prepared from vinyl pyrrolidone is mixed into water, and graphenic carbon nanoparticles comprising thermally produced graphenic carbon nanoparticles and base graphenic particles are dispersed into the water.

OXYGENATED GRAPHENE INK COATINGS FOR EFFICIENT HEAT DISSIPATION

Resumen de: WO2026151866A1

Graphene inks from graphene materials with varying nanoscale geometry and controlled oxygen groups were used for superior thermal properties and easy to scale up applications in electronics cooling, chemicals separation, nuclear reactors, and photovoltaics. The graphene inks may demonstrate tunable surface characteristics, such as wettability, and a morphology that yielded high heat flux and heat transfer coefficient at low wall superheat conditions. Oxygenated graphene aerosol ink may be used to form thermal management coatings that exhibit superior heat dissipation properties relative to conventional materials. The graphene aerosol inks may form single-layered or multilayered coatings on various substrates, including substrates and surfaces in various microelectronic devices and heat exchangers. Due to the unique geometrical profile formed by the graphene particles within the coatings, the coatings are better able manage heat dissipation within microenvironments.

PVA SOLUTION FOR IN-SITU PRODUCTION OF AN ANODE INTERLAYER AND METHOD OF MANUFACTURING AN ANODE-FREE ALL-SOLID-STATE BATTERY INLCUDING THE ANODE INTERLAYER

Resumen de: US20260204659A1

0000 An interlayer including a binder, nanoparticles, and a carbonaceous material, an anodeless battery including the interlayer, and a method of manufacturing the interlayer are provided. The binder may be soluble in water of non-aqueous organic solvents and is functionalized with moieties including H-bond donors, H-bond acceptors, acids, and/or bases, having at most about 20 mol % of negatively charged moieties, based on a total moles of the binder. The anodeless battery includes the interlayer between a solid-state electrolyte and a current collector. The method includes mixing the carbonaceous material, a redox active compound, and the binder to form a slurry that is applied to a current collector and heat treated to provide the interlayer including the nanoparticles.

DEVICE FOR STORING AND/OR CONVERTING ENERGY AND METHOD FOR MANUFACTURING SUCH A DEVICE

Resumen de: US20260204581A1

0000 The device for storing and/or converting energy (1) comprises one or more spacers (2) defining two sides; and electrodes (3) in contact with one or both sides of the spacer (2), each electrode (3) comprising an ink including at least one conductive additive. 0000 The method comprises the following steps: preparing an ink, the ink comprising at least one conductive additive; and forming electrodes (3) with the ink, the electrodes (3) being in contact with one or both sides of one or more spacers (2). 0000 It allows the separator itself to act as a collector at the same time, providing a solution to the problem of oxidation of metal collectors, among others.

COMPOSITION FOR FORMING GLASS SURFACE TREATMENT FILM

Resumen de: US20260201180A1

This composition for forming a glass surface treatment film includes a conductive substance and a solvent and the glass surface treatment film is used to hold a glass substrate by an electrostatic adsorption method.

FILM, PREPARATION METHOD THEREOF AND PHOTOELECTRIC DEVICE

Resumen de: US20260206479A1

0000 A film, a preparation method thereof and a photoelectric device are disclosed. The film includes a cross-linked system with voids and a nanoparticle filled in the voids. Compared with a cross-linked system without ions, the cross-linked system of the present disclosure contains cations and anions, so that the cross-linked system itself has good conductivity, which is conducive to the recombination of electrons and holes in the film, thereby making the film have good luminescent performance.

PIEZOELECTRIC INK FORMULATION, PIEZOELECTRIC DEVICE AND RELATED METHODS

Resumen de: WO2026149802A1

There is provided a piezoelectric ink formulation for preparation of a piezoelectric device, the formulation comprising: (i) perovskite-based powder, (ii) optionally a dispersing agent; (iii) optionally a sintering agent; (iv) a binding agent; (v) optionally lead oxide; and (vi) a solvent. Also provided are a method of preparing a piezoelectric device and said piezoelectric device for providing haptic feedback.

CONDUCTIVE INKS

Resumen de: WO2026150207A1

Conductive Inks Provided herein are electrically conductive inks, particularly thermoformable conductive inks for use in electronic applications. Also provided are composite materials comprising a polymer and the conductive inks, and methods of thermoforming a composite material comprising the conductive inks.

SAFETY COATING AND USE THEREOF, ELECTRODE SHEET AND LITHIUM-ION BATTERY

Resumen de: EP4776335A1

0001 A safety coating and use thereof, an electrode sheet, and a lithium-ion battery are disclosed, which relates to the technical field of secondary battery materials. By limiting the particle size of the inorganic filler, a well-graded distribution of large and small particles is achieved, resulting in a relatively dense structure for the safety coating, thereby reducing the probability of contact between the positive electrode and the negative electrode, and enhancing the safety performance of the battery cell. Meanwhile, by optimizing the content of binder in the safety coating, the electrolytic solution absorption by the safety coating is promoted, which can improve the rate performance, low-temperature discharge performance, and cycling performance of the battery cell. Ultimately, by limiting the particle size of the inorganic filler and selecting the binder, the safety performance of the battery cell can be improved while enhancing its rate performance, low-temperature discharge performance, and cycling performance.

POLYACRYLATE BINDER AND USE THEREOF, ELECTRODE SHEET AND LITHIUM-ION BATTERY

Resumen de: EP4775605A1

The present disclosure discloses a polyacrylate-based binder and use thereof, an electrode sheet, and a lithium-ion battery. The present disclosure relates to the technical field of secondary battery materials. The polyacrylate-based binder provided by the present disclosure achieves good adhesion performance by regulating the molecular weight and the contents of cyano, ester, and carboxylate groups in the molecular chain of the binder. It also allows for the adjustment of the electrolyte uptake rate of the binder. Furthermore, the binder is harmless to humans, environmentally friendly, and low in cost. By introducing the binder as a raw material for the aqueous safety coating in the electrode sheet, its excellent adhesion performance allows the aqueous safety coating to firmly adhere to the surface of the current collector of the electrode sheet, which reduces surface contact resistance and enhances the safety of the battery cell. Furthermore, by limiting the contents of cyano, ester, and carboxylate groups in the molecular chain of the binder, the rate capability and high and low-temperature discharge performance of the battery cell can be significantly enhanced, thereby improving the safety performance and cycling performance of the battery.

病原体の不活化の材料及び方法

Resumen de: US2024425722A1

Materials with uniform electrostatic surface charge for antimicrobial pathogen inactivation meanwhile preserving safety (non-cytotoxicity) for personal and personnel use and methods for manufacturing such antimicrobial materials and uses thereof.

導電性インキ組成物およびその方法

Resumen de: WO2024261728A1

The present disclosure relates to a graphene-based conductive ink composition and a method thereof. The composition demonstrates improved binding to substrates, superior resistance to hydrolysis, and enhanced mechanical strength and electrical conductivity. The present disclosure relates to a conductive ink composition and a method to obtain said conductive ink, wherein the conductive ink comprises: 4 to 25 wt.% of graphene as a first carbon-based conductive material; 0.1 to 10 wt.% of a second carbon-based conductive material; 0.01 to 5 wt.% of a first dispersant comprising styrene-co-acrylate for improving the distribution; 0.01 to 3 wt.% of a second dispersant for preventing the flocculation; 0.1 to 60 wt.% a binder comprising polyimide; 0.1 to 90 wt.% of a solvent.

表面保護フィルムおよび光学部品

Resumen de: JP2023146473A

To provide a surface protective film of which surface resistivity is less likely to increase and which facilitates appearance inspection, and an optical component.SOLUTION: A surface protective film 10 has a base material film 1 composed of a resin having transparency, an antistatic layer 2 formed on one surface of the base material film 1, and an adhesive layer 3 formed on a surface opposite to the antistatic layer 2 of the base material film 1. The antistatic layer 2 contains nanocarbon. The thickness of the antistatic layer 2 is 0.05 μm or more and 1.50 μm or less. A haze value of the surface protective film 10 is 4.0% or less. The total light transmittance of the surface protective film 10 is 80.0% or more.SELECTED DRAWING: Figure 1

正極片及びその製造方法、リチウムイオン電池

Resumen de: CN117954572A

The invention relates to the technical field of lithium ion batteries, in particular to a positive pole piece and a preparation method thereof and a lithium ion battery containing the positive pole piece, the positive pole piece comprises a positive active material layer, and the positive active material layer comprises a positive material, a negative thermal expansion material, a conductive agent and a binder; wherein the characteristic value J of the positive pole piece is more than or equal to 0.001 and less than or equal to 0.005; wherein J = R (F)/rho, and R (F) represents the peak intensity ratio of the main peak (F) of the negative thermal expansion material to the (003) characteristic peak of the positive electrode material in the XRD spectrogram of the positive electrode plate; rho represents the surface density of the positive pole piece, mg/cm < 2 >. The positive pole piece provided by the invention has low volume expansion, high structural stability and high temperature stability at the same time; meanwhile, the lithium ion battery containing the positive pole piece has excellent capacity performance, rate performance, cycle performance and energy density.

ANODE SLURRY, ANODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: US20260196523A1

0000 According to embodiments of the present disclosure, an aqueous anode slurry may include an anode active material, a binder, and an organic acid compound having at least two oxygen-containing functional groups. In a molecular structure of the organic acid compound, a bond angle between oxygen-containing functional groups is 90° or more, and the content of the organic acid compound may be greater than 0.01 wt % and less than 0.1 wt %, based on the total solid weight of the aqueous anode slurry.

HAIRBRUSH WITH CONDUCTIVE PAINT LAYER

Resumen de: KR20260108740A

본 발명은 정전기 방지용 헤어 브러시에 관한 것으로서, 더욱 상세하게는 정전기 방지용 헤어브러시는, 헤드부의 바디부 전면 테두리와 브러시 빗살 및 쿠션러버, 손잡이에 프라이머를 제1 도막과; 상기 프라이머로 도장된 제1도막 부분과 후면 바디부 전체에 전도성 도료를 도장하여 제2 도막하는 단계를 포함하는 것으로서, 정전기에 대한 통전성을 갖는 전도성 도료를 도장도료로 사용하여 헤어브러시의 헤드부, 브러시부, 손잡이에 도포함으로써 머리카락 정발시 발생되는 정전기를 도포된 전도성 도료 층을 통하여 사용자의 손으로 접지 되도록 함으로 정전기가 상쇄되도록 하여 머리카락의 정발이 잘 이루어지도록 한 전도성 도료층을 갖는 정전기 방지용 헤어브러시에 관한 것이다.

DISPLAY DEVICE METHOD FOR MANUFACTURING THE SAME AND ELECTRONIC DEVICE

Resumen de: US20260190659A1

A display device includes a light-emitting element layer for displaying an image, a thin-film transistor layer configured to drive the light-emitting element layer, a substrate including a thin-film transistor layer formed on one surface thereof, having a thickness in a range of about 20 micrometers to about 50 micrometers, and including a glass material, and a protective layer disposed on another surface of the substrate. The protective layer includes at least a first compound including a polyhedral oligomeric silsesquioxane compound, a second compound including a resin, and a third compound including a conductive carbon-based compound.

BINDERS FOR ENERGY CONVERSION AND STORAGE DEVICES

Resumen de: US20260193477A1

0000 Described herein are electrode active layers for energy conversion or storage devices, such as supercapacitors or batteries, and which comprise an active material and a binder comprising a salt of a sulfonated polymer. Also described herein are slurries for producing such active layers, composite electrodes comprising such active layers, and uses of such active layers in energy conversion or storage devices, as well as methods of making such active layers.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

Resumen de: US20260193476A1

A binder composition for a non-aqueous secondary battery electrode contains a polymer and a solvent. In a situation in which the binder composition for a non-aqueous secondary battery electrode is subjected to filtration using a mesh filter having an opening size of 5 μm, the number of particles having a maximum diameter of not less than 5 μm and not more than 15 μm that are observed on the mesh filter after the filtration is 2,000 particles/L or less, and the proportion of the number of particles having a maximum diameter of more than 15 μm relative to the total number of particles that are observed on the mesh filter after the filtration is 40% or less.

BINDER FOR SOLID ELECTROLYTE BATTERY, SLURRY, ELECTRODE, AND SOLID ELECTROLYTE BATTERY

Resumen de: US20260196515A1

0000 Provided is a binder for a solid-state electrolyte battery, comprising a polymer comprising a segment A having a glass transition temperature of 25° C. or less and a segment B having a melting point of 50° C. or more.

ELECTRICALLY CONDUCTIVE CERAMIC COATING AND SENSING ELEMENT COMPRISING SAID COATING

Resumen de: AU2024396555A1

The invention relates to an electrically conductive ceramic coating (100) for monitoring degradation of said ceramic coating (100), the electrically conductive ceramic coating (100) comprising: (a) at least one ceramic filler (1) in the form of at least one among: beads, needles, plates and particles; (b) at least one electrically conductive filler (2); (c) a thermoset resin (3), wherein the at least one electrically conductive filler (2) is dispersed within the mix of thermoset resin (3) and at least one ceramic filler (1) so as to form conduction paths throughout the electrically conductive ceramic coating (100). The invention also relates to a sensor system (200) comprising this coating (100) and to a method (800) for detecting a deterioration of the coating (100).

グラビア印刷用導電性ペースト、電子部品、及び積層セラミックコンデンサ

Resumen de: WO2022092045A1

Provided is a conductive paste for gravure printing that makes it possible to reduce the surface waviness of a dried film.　A conductive paste for gravure printing that includes a conductive powder, a ceramic powder, a dispersant, a binder resin, and an organic solvent that includes a first organic solvent that is at least one compound selected from the group that consists of isobornyl acetate, methyl isobutyl ketone, and diisobutyl ketone.

Physical Security and Authentication Systems Using Quantum Signatures

Nº publicación: US20260194607A1 09/07/2026

Solicitante:

NORTHEASTERN UNIV [US]
Northeastern University

Resumen de: US20260194607A1

Physical identification tags are provided that contain patterns of magnetized and non-magnetized nanoparticles embedded in a matrix. The magnetic nanoparticles form a spatially unique magnetic field distribution that is detectable only with the use of a quantum scanning magnetometer with nanometer resolution. The invisible magnetic field pattern is randomly generated by the mixture of magnetic with nonmagnetic nanoparticles and is physically impossible to reproduce. The tags can be used for identification and authentication of articles of commerce, artworks, and subjects.