Alerta

BONDED STRUCTURE COMPRISING AN ELECTROCHEMICALLY DEBONDABLE FILM ADHESIVE

Resumen de: WO2025118203A1

A bonded structure comprising: a first substrate provided with a first electrically conductive surface; a second substrate provided with a second electrically conductive surface; and, a cured, electrochemically debondable film adhesive interposed between said first and second electrically conductive surfaces, said electrochemically debondable film adhesive comprising a non-polymerizable electrolyte and a polymeric resin (A R), wherein at least one of said first and second electrically conductive surfaces is provided by a dried ink film comprising: a matrix of a polymeric resin (F R); and, a) electrically conductive particles.

導電膜付き基材、電子デバイス、電磁波シールドシート、面状発熱体、および導電膜付き基材の製造方法

Resumen de: WO2026205160A1

This conductive-film-equipped substrate comprises a substrate and a conductive film provided on at least a portion of the surface of the substrate. The conductive film includes a sintered body of a plurality of conductive particles treated with a component X that is capable of removing an oxide film on the surface of the conductive particles. The plurality of conductive particles include atomized copper powder and/or electrolytic copper powder.

導電膜付き樹脂基材の製造方法、電子デバイスの製造方法、電磁波シールドシートの製造方法、および面状発熱体の製造方法

Resumen de: WO2026205166A1

A conductive-film-equipped resin substrate manufacturing method according to the present invention includes: a step for preparing a resin substrate including a thermoplastic resin layer having a heat resistance temperature of 80°C or higher; a lamination step for forming a conductive particle-containing layer on a surface of the thermoplastic resin layer by using a conductive paste including a plurality of conductive particles; a surface modification step for softening or melting at least a portion of the thermoplastic resin layer on the surface side by irradiation with an energy ray; and a sintering step for sintering the plurality of conductive particles in the conductive particle-containing layer by a heat and pressure treatment, to thereby form a conductive film by.

導電膜付き基材、電子デバイス、電磁波シールドシート、面状発熱体、および導電膜付き基材の製造方法

Resumen de: WO2026205157A1

This conductive film-equipped substrate (10) comprises: a substrate (1); and a conductive film (3) that is provided on at least a part of a surface (1A) of the substrate (1). The conductive film (3) contains: a sintered body of a plurality of conductive particles that have been treated with a component X capable of removing an oxide film on the surfaces of the conductive particles; and a dispersant Y. One of the component X and the dispersant Y has hydrophobicity, and the other has hydrophilicity.

METAL PARTICLE MATERIAL COMPOSITION AND METHOD FOR PRODUCING SAME

Resumen de: WO2026211602A1

The present invention addresses the problem of providing a metal particle material composition which achieves both high stability and excellent sinterability by using two kinds of fatty acids having different numbers of carbon atoms as a protective agent and adjusting washing conditions as necessary.　The metal particle material composition has: a metal particle material having a D50 of 5 nm to 200 nm; an organic solvent in which the metal particle material is dispersed; and a protective agent adhered to the surface of the metal particle material, the protective agent comprising a first fatty acid having 1 to 2 carbon atoms and a second fatty acid having 3 to 20 carbon atoms. By attaching two or more kinds of fatty acids having different numbers of carbon atoms to the surface of the metal particle material, the stability of the metal particle material in the organic solvent can be improved, and the sinterability can be improved.

COMPOSITE ELECTRODES AND USES THEREOF

Resumen de: WO2026210015A1

The present invention relates to a composite electrode (1) comprising: - a dry ink comprising: ▪ at least one polymeric binder; ▪ at least one first population of graphite particles; ▪ at least one second population of graphite particles; and ▪ a conductive additive; - a substrate (11) on which the dry ink is deposited; wherein the graphite particles of the first population have a mean size greater than that of the graphite particles of the second population. The invention also relates to a medical device comprising at least one composite electrode (1) and the method for preparing said electrode.

SHIELDING COATING MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: WO2026208797A1

The present application relates to the technical field of shielding adhesives. Disclosed is a shielding coating material. By means of a synergistic effect between a component A and a component B, when applied to a shielding adhesive, the two components can reduce the cost of the shielding adhesive, further improve the weather resistance of the shielding adhesive, reduce the film-forming thickness of the shielding adhesive and endow the shielding adhesive with a good shielding effect. Specifically, in the present application, SBS undergoes grafting modification to have a carboxylic acid functional group and an epoxy structure, thereby obtaining the component A. In the present application, the surface of silver powder is treated with an organic acid to obtain modified silver powder, the modified silver powder having a higher conductivity than ordinary silver powder. The carboxylic acid functional group in the component A helps the component B to be better dispersed in the component A, thereby reducing the occurrence of deterioration in the shielding effect caused by voids generated by the stacking of flaky silver powder. Moreover, the epoxy structure helps the component A to undergo ring-opening crosslinking in the shielding adhesive, thereby improving the reliability of the shielding adhesive. In addition, also provided in the present application is a preparation method for the shielding coating material.

POSITIVE ELECTRODE ACTIVE MATERIAL LAYER, ELECTRODE, AND SOLID-STATE BATTERY

Resumen de: US20260312066A1

A positive electrode active material layer comprising: a positive electrode active material; a solid electrolyte; and a vinylidene fluoride copolymer binder containing a structural unit derived from vinylidene fluoride and a structural unit derived from a monomer other than vinylidene fluoride, and the structural unit derived from a monomer other than vinylidene fluoride contains a structural unit derived from at least one selected from an unsaturated dibasic acid, an unsaturated dibasic acid monoester, and a compound represented by the following formula:where R1, R2 and R3 are each independently a hydrogen atom, a chlorine atom or an alkyl group having from 1 to 5 carbon atoms; and X1 is an atomic group having a main chain constituted of from 1 to 19 atoms and having a molecular weight of 472 or less, and containing at least one heteroatom selected from an oxygen atom and a nitrogen atom.

DISPERSANT FOR POWER STORAGE DEVICE POSITIVE ELECTRODE

Resumen de: US20260308297A1

0000 An aspect of the present disclosure relates to a dispersant for a positive electrode of a power storage device, the dispersant being a copolymer containing a constitutional unit represented by the following formula (1), a constitutional unit represented by the following formula (2), and a constitutional unit represented by the following formula (3). Also, an aspect of the present disclosure relates to a dispersant composition, a conductive material slurry for a battery and a method for producing the conductive material slurry, a positive electrode paste for a battery, or a positive electrode for a battery, each of which contains the dispersant for a positive electrode of a power storage device. 0000

ELECTRONICALLY CONDUCTIVE POLYMER BINDER FOR COMPOSITE ELECTRODES

Resumen de: US20260308782A1

A redox-active, conductive, polycationic, and coordinating polymer with a coordinative redox deposition for oxygen evolution reaction (OER) electrodes. The electrodes can contain low loadings of earth-abundant catalysts and are highly active and stable under harsh conditions. The preparatory methods described herein are straightforward and can be utilized to prepare electrodes with different supports and metal ion precursors. Polycarbazole (PCz) provides a highly conductive, stable support for the OER catalysts. XPS and UV-vis studies indicate that the deposition proceeds by coordination to the nitrogen sites in PCz. PCz is believed to provide a local high OH— for the turnover limiting step in the OER.

INK COMPOSITION, FILM USING THE SAME, AND ELECTROPHORETIC DISPLAY DEVICE

Resumen de: US20260308408A1

Embodiments provide an ink composition, a film manufactured using the ink composition, and an electrophoretic display device including the film. The ink composition includes (A) a semiconductor nanorod, and (B) a dispersion medium, wherein the dispersion medium includes: (B1) a compound which has a viscosity at 25° C. of 70 cps or less and has a dielectric constant of 5 or more; (B2) a compound which has a viscosity at 25° C. of 80 cps or more or is a solid and has a dielectric constant of 5 or more; (B3) a compound which has a viscosity at 25° C. of 20 cps or more or is a solid and has a dielectric constant of less than 5; and (B4) a compound which has a viscosity at 25° C. of 12 cps or less or is a solid and has a dielectric constant of 4 to 7.5.

ONE-STEP METHOD FOR MANUFACTURING AN INK COMPRISING AN N-TYPE CONDUCTING POLYMER

Resumen de: US20260308395A1

0000 The present invention relates to a method for manufacturing an ink comprising n-type conducting polymer, the method comprising the steps of: a) adding a monomer to a solvent system comprising a polar aprotic solvent and an oxidizing agent in the presence of a catalyst, thus providing a reaction solution; b) allowing the monomer to polymerize in the reaction solution thus obtaining an ink comprising n-type conducting polymer, wherein the catalyst is a quinone or a quinone precursor, and wherein the catalyst comprises at least one branched side chain.

Piezoelectric ink formulation, piezoelectric device and related methods

Resumen de: GB2705334A

A piezoelectric ink comprises perovskite-based powder, binder, solvent, and optionally dispersant, sintering agent, and lead oxide. Typically, the ink comprises 50-80 wt.% perovskite-based powder, 0.1-5 wt.% binder, 5-60 wt.% solvent, ≤3 wt.% dispersant, ≤5 wt.% sintering agent, and ≤5 wt.% lead oxide. The perovskite-based powder may be lead zirconate titanate. The binder may be polymethyl methacrylate or polyvinyl butyral. The solvent may be acetic acid, ethanol, or benzyl alcohol. The dispersant is normally a surfactant. The sintering agent may be lithium borate or copper (II) oxide. The ink viscosity may be 500-10000 mPa.s. A method of preparing a piezoelectric device comprises printing the ink onto a substrate before sintering and poling the printed ink. A piezoelectric device for providing haptic feedback comprises the ink printed on a substrate. The device may be a human-machine interface device, haptics device, touch sensor device, on-display force sensor device, or gaming haptics device. No Figure

An ink formulation

Resumen de: GB2705330A

An ink for a screen-printed electrode comprises gold microstructures with a maximum dimension of 0.05-7.5 microns and a polymer dissolved or dispersed in one or more solvents having a boiling point of >110C. The ink may comprise 7.5-25 wt.% gold microstructures, 4-15 wt.% polymer, and 45-65 wt.% solvent. The gold microstructures may be microspheres or microflakes. The polymer may comprise polyethylene terephthalate, polyethyloxazoline, polymethylmethacrylate, polyacrylates, polyesters, polyamines, polyethers, polyvinyl acetate, polyvinyl chloride, polyhydroxyethers, cellulose derivatives, or poly(lactide). The solvent may be alpha-terpineol, di(propylene glycol) methyl ether, or propylene glycol monomethyl ether acetate. A method of making an electrode comprises screen-printing a working electrode onto a substrate using the ink and providing reference and counter electrodes on the substrate. A method of detecting a target analyte in a sample comprises contacting the electrode with the sample, wherein a response characteristic of the electrode is capable of being operably varied, thereby indicating the presence of the analyte. No Figure

CONDUCTIVE MATERIAL DISPERSION, ELECTRODE SLURRY, AND SECONDARY BATTERY

Resumen de: EP4819226A1

0001 A conductive material dispersion according to embodiments of the present disclosure may include a linear conductive material; an ionic cellulose polymer; and a nonionic cellulose polymer, wherein a weight ratio of the ionic cellulose polymer to the nonionic cellulose polymer is 60:1 to 4:1, and a weight average molecular weight of the ionic cellulose polymer may be greater than that of the nonionic cellulose polymer. Also disclosed is a method for preparing a conductive material dispersion, and a use of a dispersant defined by or composed of a combination of ionic cellulose polymer and non-ionic cellulose polymer for dispersing a linear conductive material in a solvent.

CONDUCTIVE MATERIAL DISPERSION, POSITIVE ELECTRODE MADE USING CONDUCTIVE MATERIAL, AND RECHARGEABLE LITHIUM BATTERY INCLUDING POSITIVE ELECTRODE

Resumen de: EP4819249A1

0001 A conductive material dispersion for a rechargeable lithium battery includes carbon nanotubes as a conductive material and a mixture of a first dispersant and a second dispersant as a dispersant. The second dispersant is an alcohol having 1 to 5 carbon atoms in its main chain. The conductive material dispersion has a viscosity of 500 to 3000 cPs at 25 °C and a specific surface area (SSA) of 260,000 m<2>/kg or more.

カーボン材料分散液及びその使用

Resumen de: JP2026156368A

【課題】液組成や分散方法によらず、カーボンナノチューブを含むカーボン材料が粗大な凝集物を実質的に生ずることなく良好に分散した、粘度安定性に優れたカーボン材料分散液を提供する。【解決手段】カーボンナノチューブを含むカーボン材料、有機溶媒、及び分散剤を含有する（但し、揮発性塩を含有するものを除く）カーボン材料分散液である。カーボン材料１００質量部に対する、分散剤の固形分換算での含有量が、２０４質量部以下であり、３５０～５５０ｎｍの範囲内にある任意の波長ＷＬと、６５０～８５０ｎｍの範囲内にある任意の波長ＷＨの中央値である波長ＷＭにおける吸光度が１．８±０．０２となるように、有機溶媒を含む希釈液で希釈して得られる希薄分散液の、波長ＷＨの吸光度ＡＨに対する、波長ＷＬの吸光度ＡＬの比（ＡＬ／ＡＨ）が、１．６０以上である。【選択図】なし

カーボンナノチューブ分散液、カーボンナノチューブ分散液の使用、及び塗膜

Resumen de: JP2026156365A

【課題】カーボンナノチューブが高濃度でかつ粘度安定性に優れるカーボンナノチューブ分散液を提供すること。【解決手段】単層カーボンナノチューブ、多層カーボンナノチューブ、及びカーボンブラックから成る群より選択される２種以上のカーボン材料、水性媒体、及び分散剤を含有するカーボンナノチューブ分散液である。前記カーボン材料の含有量が、所定の範囲であり、前記カーボン材料の物性値が、所定の範囲であり、前記分散剤の含有量が、所定の範囲であり、前記カーボンナノチューブ分散液とバインダー樹脂とを含有する塗液を用いて、乾燥皮膜中の前記カーボン材料の含有量が４０質量％となるように、厚さ１μｍの乾燥皮膜を形成した場合に、前記乾燥皮膜の表面抵抗率が１．０×１０３Ω／ｓｑ以下であり、前記乾燥皮膜の熱拡散率が０．３０ｍｍ２／ｓ以上である。【選択図】なし

カーボン材料分散液及びその使用

Resumen de: JP2026156369A

【課題】液組成や分散方法によらず、カーボンナノチューブを含むカーボン材料が粗大な凝集物を実質的に生ずることなく良好に分散した、粘度安定性に優れたカーボン材料分散液を提供する。【解決手段】カーボンナノチューブを含むカーボン材料、水性媒体、及び分散剤を含有する（但し、揮発性塩を含有するものを除く）カーボン材料分散液である。カーボン材料１００質量部に対する、分散剤の固形分換算での含有量が、１０～１２００質量部であり、３５０～５５０ｎｍの範囲内にある任意の波長ＷＬと、６５０～８５０ｎｍの範囲内にある任意の波長ＷＨの中央値である波長ＷＭにおける吸光度が１．８±０．０２となるように、水性媒体を含む希釈液で希釈して得られる希薄分散液の、波長ＷＨの吸光度ＡＨに対する、波長ＷＬの吸光度ＡＬの比（ＡＬ／ＡＨ）が、１．６０以上である。【選択図】なし

カーボン材料分散液及びその使用

Resumen de: JP2026156367A

【課題】導電性を向上した塗膜を形成することが可能なカーボン材料分散液を提供すること。【解決手段】単層カーボンナノチューブ、及び多層カーボンナノチューブのうち少なくとも１種のカーボン材料と、液媒体と、分散剤と、を含有し、下記（１）～（４）の要件を満たす、カーボン材料分散液。（１）カーボン材料に対する分散剤の量が、カーボン材料の種類毎に、それぞれ所定範囲内である。（２）カーボン材料の含有量が２０質量％である厚さ５０μｍの乾燥皮膜の表面抵抗率ａが、１．０×１０７Ω／ｓｑ以下である。（３）所定の濃度である希薄分散液の、波長７８０ｎｍの吸光度ＡＨに対する、波長３８０ｎｍの吸光度ＡＬの比（ＡＬ／ＡＨ）が、１．４５以上である。（４）前記乾燥皮膜を任意の一軸方向に伸長させ、伸長率が１００％（元の長さの２倍）のときの前記乾燥皮膜の表面抵抗率ｂが３．０×１０８Ω／ｓｑ未満である。【選択図】なし

COPPER INK AND CONDUCTIVE FILM

Resumen de: WO2026203506A1

This copper ink contains copper powder and a binder resin. The binder resin contains an acrylic resin. According to thermogravimetric analysis of the crushed product obtained by heating the copper ink for 30 minutes at 200°C under a nitrogen atmosphere and then cooling and finally crushing the ink, the percentage weight loss within a range from 200°C to 300°C is 0.5% to 2.0%.

METHODS FOR MAKING AND USING CURRENT COLLECTORS

Resumen de: WO2026206402A1

Disclosed herein are methods for making current collectors for battery applications. In one embodiment, method for making a current collector includes: mixing first metal particles, a second metal particles, and a carrier fluid to make an ink, where the first metal particles are selected from silicon, zirconium, magnesium, silver, gold, platinum, indium, where the first metal particles have an average cross-sectional diameter from about 3 nm to about 100 nm, where the second metal particle is selected from copper, aluminum, nickel, titanium, and steel, where the second metal particles have an average cross-sectional diameter from about 5 μm to about 50 μm, and where the carrier fluid is selected from water, toluene, ethanol, isopropanol, acetone, hexane, N-methyl-2- pyrrolidone, acetonitrile, dimethyl sulfoxide, dimethylformamide, tetrahydrofuran, and N,Ndimethylformamide; printing, by direct ink writing, one or more layers of the ink on one or more substrates using a printing nozzle to make a current collector.

A PROGRAMMABLE, BATTERY-LESS, AUTONOMOUS AND BIODEGRADABLE SMART DUST PARTICLE

Resumen de: US20260294293A1

0000 A system and method provide non-invasive, continuous monitoring using a plurality (swarm) of programmable, battery-less, autonomous, biodegradable smart dust particles (SDPs). Each SDP features sensors printed on a layered separating medium for chromatographic separation and an RFID tag comprising a unique identification (ID) barcode. Applied to skin overlying biological tissue, optionally via spray, the SDPs transmit signals wirelessly to an external receiver. A processor correlates received signals with spatial coordinates on the skin using each SDP's unique ID. This enables the generation of a spatiotemporal chemical tomogram, mapping detected chemical compounds (e.g., VOCs) across the underlying biological tissue. The system facilitates applications such as wearable tomography and continuous tumour diagnostics, including monitoring for conditions like breast cancer by analysing the chemical map over time.

AQUEOUS INK FOR INKJET RECORDING, INK SET, INKJET RECORDING DEVICE, AND IMAGE FORMING METHOD

Resumen de: US20260297349A1

An aqueous ink for inkjet recording used to form an image on a fabric, includes a pigment, a binder, a crosslinking agent, and a wax particle. The binder contains a urethane resin. The crosslinking agent contains a blocked isocyanate compound. A melting point of the wax particle is 90 °C or higher and 140 °C or lower.

COMPOSITION FOR COATING ANODE CURRENT COLLECTOR, METHOD OF MANUFACTURING ANODE CURRENT COLLECTOR FOR LITHIUM SECONDARY BATTERY BY USING THE SAME, ANODE CURRENT COLLECTOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY

Nº publicación: US20260302254A1 01/10/2026

Solicitante:

SK ON CO LTD [KR]
INDUSTRY UNIV COOPERATION FOUNDATION HANYANG UNIV [KR]
SK ON CO., LTD.
INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY

Resumen de: US20260302254A1

0000 A composition for coating an anode current collector according to exemplary embodiments of the present disclosure includes a silver salt and a water-soluble binder. The anode current collector is manufactured by applying the composition onto its surface, followed by a controlled drying process. A lithium secondary battery comprises a cathode, and the anode current collector disposed opposite the cathode.