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Publicações recentes – Patentes sobre perovskitas

Perovskites

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Esta é a nossa mais recente seleção de publicações e patentes mundiais em inglês sobre perovskitas, provenientes de diversos periódicos científicos online, classificadas e focadas em perovskita, estrutura ABX3, fator de tolerância de Goldschmidt, ligação de excítons, ajustabilidade da banda proibida, camada de transporte de carga, arquiteturas n-i-p e p-i-n, tolerância de Goldschmidt, arquitetura n-i-p, estrutura mesoporosa, camada de transporte de carga, arquitetura p-i-n e fator de Goldschmidt.

Perovskite tandem solar cell with reinforced electrically-conductive adhesive

Patent published on the 2026-05-28 in WO under Ref WO2026111379 by HANWHA SOLUTIONS CORP [KR] (Sohn Chang Hwun [kr])

Abstract: A solar cell according to the present invention comprises: a semiconductor substrate; a plurality of finger electrodes formed on the semiconductor substrate; a bus bar electrically connected to the finger electrodes; and an electrically-conductive adhesive applied in a straight line or dash shape along the bus bar. The electrically-conductive adhesive is formed in a dot shape on a central portion of the semiconductor substrate and is formed in a line shape on an edge portion of the semiconductor[...]


Our summary: The invention features a perovskite tandem solar cell with a semiconductor substrate and finger electrodes. It includes a bus bar connected to the electrodes and an electrically-conductive adhesive applied in specific shapes. The adhesive s design enhances electrical conductivity and structural integrity.

Perovskite, tandem solar cell, electrically-conductive adhesive, semiconductor substrate

Patent

Multilayer ceramic capacitor

Patent published on the 2026-05-28 in WO under Ref WO2026110591 by MURATA MFG CO LTD [JP] (Kato Ryo [jp])

Abstract: The present disclosure relates to a multilayer ceramic capacitor. The multilayer ceramic capacitor according to the present disclosure comprises an internal ceramic layer and an external ceramic layer that contain perovskite-type compounds that are the same as or different from each other. When the concentrations of vanadium with respect to 100 parts by mole of the total amount of titanium, zirconium, and hafnium in the perovskite-type compounds contained in the internal ceramic layer and the ex[...]


Our summary: The disclosure presents a multilayer ceramic capacitor with internal and external layers containing perovskite-type compounds. It specifies the concentration relationships of vanadium in these layers. The external ceramic layer has a thickness ranging from 15 to 170 μm.

Multilayer ceramic capacitor, perovskite-type compounds, vanadium concentration, ceramic layers

Patent

Drying system of coating solution including anti-solvent and perovskite thin film forming apparatus including same

Patent published on the 2026-05-28 in WO under Ref WO2026111564 by GOSANTECH CO LTD [KR] (Lee Sungmoon [kr])

Abstract: The present invention relates to a drying system of a coating solution including an anti-solvent, the system being characterized by comprising: a drying unit for drying a coating solution while moving on an upper portion of the coating solution; a saturated water vapor pressure control unit for controlling the saturated water vapor pressure inside the drying unit; and a transfer unit for horizontally moving the drying unit above the coating solution, wherein the drying unit comprises: a drying h[...]


Our summary: The invention describes a drying system for a coating solution that includes an anti-solvent. It features a drying unit that moves over the solution, controlling saturated water vapor pressure. The system uses gas discharge and suction nozzles to create a vortex for efficient evaporation of the anti-solvent.

drying system, anti-solvent, perovskite, coating solution

Patent

Laminated perovskite solar cell

Patent published on the 2026-05-27 in EP under Ref EP4750282 by SUZHOU MAXWELL TECH CO LTD [CN] (Hu Fengyang [cn], Zheng Jing [cn], Yan Jianming [cn], Li Wei [cn])

Abstract: A laminated perovskite solar cell is provided, which relates to the field of battery technology. The laminated perovskite solar cell includes two protective components, a solar cell string, liquid silicone, and a waterproof component. The two protective components are arranged to be spaced apart, and the solar cell string is mounted between the two protective components. The liquid silicone is coated on the surfaces of the protective components facing the solar cell string, and the liquid silico[...]


Our summary: The laminated perovskite solar cell features two protective components spaced apart with a solar cell string mounted between them. Liquid silicone coats and bonds the protective components to the solar cell string upon curing. A waterproof component is integrated around the solar cell string for enhanced protection.

perovskite, solar cell, laminated, waterproof

Patent

Method of preparing reprocessed perovskite compound, reprocessed perovskite compound prepared thereby, perovskite device and solar cell comprising the

Patent published on the 2026-05-27 in EP under Ref EP4750298 by HANSOL CHEMICAL CO LTD [KR] (Jeong Gyu Jeong [kr], Jang Eun Pyo [kr], Ha Su Ryung [kr], Noh Jae Hong [kr], Kim Kyung Nam [kr], Ha Sung Min [kr])

Abstract: A method of preparing a reprocessed perovskite compound, a reprocessed perovskite compound prepared thereby, and a perovskite device and a solar cell including the same. The preparation method can reduce the manufacturing cost of products in which a perovskite device is used by restoring a degraded perovskite compound, and can minimize environmental pollution associated with disposal of perovskite compounds containing heavy metals. Furthermore, high-quality perovskite devices and solar cells can[...]


Our summary: A method for preparing a reprocessed perovskite compound is described. This method reduces manufacturing costs and minimizes environmental pollution from heavy metals. High-quality perovskite devices and solar cells can be produced using the reprocessed compound.

perovskite, reprocessing, solar cells, environmental impact

Patent

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Patent published on the 2026-05-13 in EP under Ref EP4741933 by FUJIFILM BUSINESS INNOVATION CORP [JP] (Oyamada Yuki [jp], Kigoshi Yoichi [jp], Kano Fuyuki [jp], Iwasaki Masahiro [jp], Kusano Keisuke [jp], Fujii Ryosuke [jp], Okazaki Yuto [jp], Takaoka Kohei [jp], Ide Kenta [jp], Sasaki Tomoya [jp])

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer disposed on the conductive substrate, and a lamination-type photosensitive layer disposed on the undercoat layer and having a charge generation layer and a charge transport layer, in which the charge transport layer contains a charge transport material and a polyarylate resin, the polyarylate resin contains a dicarboxylic acid unit represented by Formula (A) and a diol unit represented by Formula (B), and an[...]


Our summary: An electrophotographic photoreceptor consists of a conductive substrate, an undercoat layer, and a lamination-type photosensitive layer. The charge transport layer contains a charge transport material and a polyarylate resin with specific structural units. The undercoat layer s electrostatic capacity ranges from 1.0 × 10-10 F to 3.0 × 10-9 F.

Electrophotographic, photoreceptor, charge transport, polyarylate

Patent

Thermally Fine-Tuned NiOx&ndash;MAPbI3 Interfaces Enabled by a Polymeric Surface Additive for High-Sensitivity Self-Powered Photodetectors

Published on 2026-01-30 by HyeRyun Jeong, Kimin Lee, Wonsun Kim, Byoungchoo Park @MDPI

Abstract: Self-powered perovskite photodiodes provide an attractive platform for low-power and high-sensitivity photodetection; however, their performance capabilities are often constrained by inefficient interfacial charge extraction and noise suppression. Here, we report a polymer-mediated interfacial engineering strategy for methylammonium lead iodide (MAPbI3) photodiodes by integrating thermally optimized nickel oxide (NiOx) hole-transport layers (HTLs) with a nonionic polymeric surfactant, poly(oxyet[...]


Our summary: A polymer-mediated interfacial engineering strategy enhances the performance of self-powered perovskite photodiodes. Incorporating thermally optimized nickel oxide and a nonionic polymeric surfactant improves charge extraction and reduces noise. This approach achieves high sensitivity and low noise without compromising dynamic performance.

Photodetectors, Perovskite, Interfacial Engineering, Nickel Oxide

Publication

Performance of CaMn0.625Ti0.125Fe0.125Mg0.125O3 Oxygen Carrier in the Chemical Looping Combustion of Biomass

Published on 2026-01-29 by Yingjie Mi, Wen Luo, Jinchen Ma, Zhenyi Du, Haibo Zhao @MDPI

Abstract: Chemical looping combustion (CLC) has been recognized as a promising CO2 capture technology, in which oxygen carriers (OCs) transport lattice oxygen to the fuel instead of the air. This study aims to evaluate a newly developed perovskite OC for biomass CLC and to clarify the role of staged fuel conversion in improving gas&amp;ndash;solid redox efficiency. This is the first application of perovskite OC CaMn0.625Ti0.125Fe0.125Mg0.125O3 in biomass CLC using a dual-stage fluidized bed. The perov[...]


Our summary: This study evaluates the performance of the perovskite oxygen carrier CaMn0.625Ti0.125Fe0.125Mg0.125O3 in biomass chemical looping combustion. The research demonstrates that staged fuel conversion significantly enhances gas-solid redox efficiency, leading to improved combustion efficiency and CO2 yield. Optimal conditions resulted in a maximum combustion efficiency of 79% and a CO2 yield of 82% at specific operational parameters.

Chemical Looping Combustion, Oxygen Carrier, Biomass, Perovskite

Publication

Tópicos abordados: Elementos de terras raras, revestimento de barreira térmica, microestrutura, propriedades mecânicas, síntese por combustão em solução, dureza Vickers, tenacidade à fratura, expansão térmica, efeito Hall, dopado, perovskita, resistência à corrosão, teste de ciclo térmico, refinamento de grãos, desempenho em altas temperaturas, densidade de portadores de carga, propriedades de transporte, Organização Internacional de Normalização (ISO), ASTM International, Instituto Nacional Americano de Padrões (ANSI), Comissão Eletrotécnica Internacional (IEC) e Organização Internacional de Normalização (ISO).

Contexto histórico

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(Caso a data seja desconhecida ou irrelevante, por exemplo, "mecânica dos fluidos", é fornecida uma estimativa aproximada de seu surgimento notável)

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