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Publicações recentes – Patentes sobre pesquisa e aplicações de lítio

Lithium Research and Applications

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Esta é a nossa mais recente seleção de publicações e patentes mundiais em inglês sobre Pesquisa e Aplicações do Lítio, provenientes de diversas revistas científicas online, classificadas e focadas no lítio.

Separator and secondary battery

Patent published on the 2026-07-02 in WO under Ref WO2026141221 by ENPOWER JAPAN CORP [JP] (Kawatate Yutaka [jp])

Abstract: Provide is a separator used for a secondary battery. The separator may be provided on a surface of the secondary battery that is in contact with a negative electrode, and may include a functional layer containing a nitrate. The porosity of the functional layer may be 5-95%, and the basis density of the nitrate is 0.01 g/cm3 to 3.0 g/cm3. The nitrate may include at least one selected from lithium nitrate, potassium nitrate, cesium nitrate, sodium nitrate, silver nitrate, calcium nitrate, zinc nit[...]


Our summary: A separator for a secondary battery is designed to contact the negative electrode. It features a functional layer with a porosity of 5-95% and a nitrate basis density ranging from 0.01 g/cm³ to 3.0 g/cm³. Various nitrates, including lithium and potassium nitrate, can be incorporated into the functional layer.

separator, secondary battery, functional layer, nitrate

Patent

Zinc-graphite battery based on bromine chemistry enabled by water-in-salt electrolyte

Patent published on the 2026-07-02 in US under Ref US20260188757 by UNIV OF SHARJAH [AE] (Mouselly Maryam Mohd Haitham [ae], Parambath Javad Basil Marutheri [ae], Senthilkumar Sirugaloor Thangavel [ae], Alawadhi Hussain [ae], Allagui Anis [ae])

Abstract: The present disclosure discloses a zinc-graphite battery based on bromine chemistry enabled by water-in-salt electrolyte is disclosed. The battery comprises a foil selected to serve as a cathode host for the electrochemical reactions involving bromide ions, an anode selected from zinc foil or graphite foil that serves as a current collector for zinc deposition and dissolution, and water-in-salt electrolyte (WiSE) comprising lithium chloride (LiCl), zinc chloride (ZnCl2), and potassium bromide (K[...]


Our summary: The zinc-graphite battery utilizes bromine chemistry with a water-in-salt electrolyte. It features a cathode host for bromide ions and an anode for zinc deposition. The battery demonstrates high discharge capacity, efficiency, and extended cycle life.

Zinc-graphite, bromine chemistry, water-in-salt electrolyte, electrochemical reactions

Patent

Iron sulfide based positive electrode active material powder

Patent published on the 2026-07-02 in WO under Ref WO2026139379 by COMMISSARIAT A LENERGIE ATOMIQUE ET ENERGIES ALTERNATIVES [FR] (Cabelguen Pierre-etienne [fr], Biecher Yohan [fr], Haon CÉdric [fr], Babindamana Dan [fr])

Abstract: The present invention concerns a positive electrode active material powder comprising iron disulfide, a sulfur source, a carbon source and a lithium based argyrodite compound and having a ratio A/B, wherein 0.05 < A/B < 0.40, with A representing the crystallite size of the lithium based argyrodite compound and B representing the crystallite size of iron disulfide.[...]


Our summary: The invention involves a positive electrode active material powder containing iron disulfide, a sulfur source, a carbon source, and a lithium-based argyrodite compound. It specifies a crystallite size ratio A/B between 0.05 and 0.40. A represents the crystallite size of the lithium-based argyrodite, while B represents that of iron disulfide.

Iron sulfide, positive electrode, active material, lithium argyrodite

Patent

Lithium secondary battery

Patent published on the 2026-07-02 in WO under Ref WO2026142181 by LG ENERGY SOLUTION LTD [KR] (Lee Chul Haeng [kr], Yeom Chul Eun [kr], Lee Jung Min [kr], Ji Su Hyeon [kr])

Abstract: The present invention provides a lithium secondary battery comprising a positive electrode, a negative electrode facing the positive electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein: the positive electrode comprises a positive electrode active material; the positive electrode active material comprises a lithium nickel-cobalt-manganese oxide containing nickel (Ni) in an amount of 55 mol% to 70 mol% based on the tot[...]


Our summary: The invention describes a lithium secondary battery with a positive electrode containing lithium nickel-cobalt-manganese oxide. The positive electrode active material has a nickel content of 55 to 70 mol%. The non-aqueous electrolyte includes a lithium salt, organic solvent, and two additives.

Lithium secondary battery, positive electrode, non-aqueous electrolyte, active material

Patent

Lithium secondary battery

Patent published on the 2026-07-02 in WO under Ref WO2026142248 by LG ENERGY SOLUTION LTD [KR] (Jeong Seok Hyeon [kr], Lim Gun Tae [kr], Kang Hyo Seok [kr])

Abstract: The present invention relates to a lithium secondary battery comprising: an anode comprising an anode mixture layer containing an anode active material; a cathode comprising a cathode mixture layer containing a cathode active material; and an electrolyte, wherein the anode mixture layer comprises an Si-C composite, and X defined by relation satisfies 0.5 to 0.6. Relation: In relation, A is the value of the ionic conductivity of the electrolyte extracted from the lithium secondary battery, which [...]


Our summary: The invention describes a lithium secondary battery with an anode containing an Si-C composite. It features a cathode with a mixture layer of active material and an electrolyte. The relationship between ionic conductivity, viscosity, and tortuosity is defined within specific parameters.

Lithium battery, Anode mixture, Ionic conductivity, Si-C composite

Patent

Lithium primary battery

Patent published on the 2026-07-02 in WO under Ref WO2026141510 by PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP] (Saito Kohei, Nishitani Satoshi)

Abstract: This lithium primary battery comprises: a positive electrode; a negative electrode; and a non-aqueous electrolyte solution. The positive electrode contains LixMnO2 (0 ≤ x ≤ 0.05). The negative electrode includes an alloy containing lithium, magnesium, and potassium. The content of lithium in the alloy is 89 mass% or more, the content of magnesium in the alloy is 0.01-10 mass%, and the content of potassium in the alloy is 400 mass ppm or less.[...]


Our summary: This lithium primary battery features a positive electrode with LixMnO2. The negative electrode consists of a lithium, magnesium, and potassium alloy. The alloy composition includes at least 89 mass% lithium and specific ranges for magnesium and potassium.

Lithium battery, positive electrode, non-aqueous electrolyte, alloy composition

Patent

Optimal sensor placement and online spatiotemporal modeling for parabolic distributed parameter system under sparse sensing

Published on 2026-05-28 by @OXFORD

Abstract: AbstractRestrictions on the number and placement of sensors are common in the modeling of parabolic distributed parameter systems (DPSs). Since the information from measurements is incomplete, developing an accurate approximation model and capturing their dynamic behavior for time-varying DPSs under sparse sensing is a challenge. In this paper, a novel online spatiotemporal modeling framework including data completion and optimal sensor placement is developed. Firstly, in the offline initializat[...]


Our summary: This paper presents a framework for optimal sensor placement and online spatiotemporal modeling of parabolic distributed parameter systems under sparse sensing. It includes an offline phase for learning spatial basis functions and a completion algorithm for reconstructing sparse data. An online learning strategy updates the model with new data, achieving high accuracy with minimal sensors.

sensor placement, spatiotemporal modeling, distributed parameter systems, data completion

Publication

Research on anomaly and fault defect identification in power equipment based on multimodal large models

Published on 2026-02-23 by @OXFORD

Abstract: AbstractThis enables the analysis and judgment of the aging degree and consistency of cells within clusters. Meanwhile, neural networks are used to predict the entropy values for short-term health state forecasting of the energy storage station. Finally, the feasibility and effectiveness of the feature data information entropy method for health state assessment and prediction are validated using actual operational data of the energy storage station and a 20S1P battery simulation model. This pape[...]


Our summary: This research introduces information entropy theory for assessing the health status of lithium-ion energy storage stations. It employs neural networks to predict entropy values for short-term health forecasting. The study validates the effectiveness of this method using actual operational data and a battery simulation model.

anomaly detection, fault identification, neural networks, information entropy

Publication

Tópicos abordados: cátodos de conversão, baterias de íon-lítio, baterias de lítio-enxofre, densidade de energia, nanoengenharia, revestimento de carbono ultrafino, T-Nb2O5, armazenamento de lítio, material ativo do cátodo, bateria secundária de lítio, método de fabricação, vida útil, pilha de interface metal/dielétrico, eletrodeposição de lítio, membrana composta condutora, partículas condutoras de íons de lítio, aditivo de eletrólito, bateria secundária de lítio, ISO 9001, IEC 62133, ASTM D7869, ISO/IEC 17025 e ISO 14001.

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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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