본 자료는 리튬 연구 및 응용 분야에 관한 전 세계 영문 논문과 특허를 엄선하여 정리한 것으로, 다양한 온라인 과학 저널을 기반으로 분류 및 집중적으로 다룹니다.
Methods for improving critical current density in a sulfide-based all-solid-state lithium-ion battery
Patent published on the 2026-05-21 in WO under Ref WO2026106326 by UNIV CALIFORNIA [US] (Liu Ping [us], Zhou Ke [us], Liu Mengchen [us], Oh Jeongwoo [kr], Song Min Sang [kr])
Abstract: Solid electrolyte compositions and solid-state batteries are disclosed, which comprise a solid electrolyte layer including a sulfide-containing solid-state electrolyte material and a compound of Chemical Formula 1. The sulfide-containing solid-state electrolyte material includes but is not limited to Li6PS5Cl ("LPSC"), an LPS-based glass or glass ceramic of formula xLi2S·yP2S5, wherein x+y=1, or an argyrodite-based sulfide-based solid electrolyte or formula Li6PS5X, wherein X = Cl, Br, or I) or[...]
Our summary: This content discusses methods to enhance critical current density in sulfide-based all-solid-state lithium-ion batteries. It describes solid electrolyte compositions that include sulfide-containing materials like Li6PS5Cl and various formulations. The focus is on improving performance through advanced solid electrolyte layers.
sulfide electrolyte, solid-state battery, critical current density, lithium-ion battery
Patent
Solid-state electrolyte, preparation method therefor and use thereof
Patent published on the 2026-05-21 in WO under Ref WO2026102734 by SHENZHEN UNIV OF ADVANCED TECHNOLOGY [CN] (Wang Dawei [cn], Lin Qiaowei [cn])
Abstract: The present invention belongs to the field of batteries, specifically disclosed are a solid-state electrolyte, a preparation method therefor and a use thereof. The solid-state electrolyte contains a biomimetic material, an electrolyte salt, and a plasticizer. The biomimetic material is loaded with the electrolyte salt and the plasticizer. The biomimetic material comprises a monocyclic aromatic compound and a triazine nitrogen-containing heterocyclic compound. The monocyclic aromatic compound and[...]
Our summary: The invention describes a solid-state electrolyte containing a biomimetic material, an electrolyte salt, and a plasticizer. The biomimetic material features nanochannels that facilitate rapid ion conduction. The solid-state battery using this electrolyte achieves high lithium-ion conductivity and a significant voltage window.
solid-state electrolyte, biomimetic material, ion conduction, lithium-ion conductivity
Patent
Polyimide separator and preparation method therefor, and electrochemical device
Patent published on the 2026-05-21 in WO under Ref WO2026102716 by IMIDEMASTER CO LTD [CN] (Chiu Jian-ming [cn], Tseng Chi-yung [cn], Wang Shiu-hui [cn])
Abstract: The present invention belongs to the field of lithium-ion battery materials, and discloses a polyimide separator and a preparation method therefor, and an electrochemical device. The method for preparing a polyimide separator for a battery comprises the following steps: adding a diamine monomer and a dianhydride monomer to a solvent, and reacting same to obtain a solution containing an intermediate; adding a monomer containing an amide group to the solution containing the intermediate, and react[...]
Our summary: The invention describes a polyimide separator and its preparation method for lithium-ion batteries. The method involves reacting specific monomers in a solvent to create a slurry, which is then coated onto a substrate and pre-cured. The resulting separator exhibits high tensile strength, porosity, and electrolyte absorption while maintaining stability at elevated temperatures.
Polyimide, separator, lithium-ion battery, electrochemical device
Patent
Electrolytic solution and lithium secondary battery
Patent published on the 2026-05-21 in WO under Ref WO2026105818 by NAT UNIV CORP YOKOHAMA NAT UNIV [JP] (Yabuuchi Naoaki [jp], Ugata Yosuke [jp])
Abstract: This electrolytic solution contains a lithium salt and a nonaqueous solvent for dissolving the lithium salt. The concentration of the lithium salt with respect to the total amount of the electrolytic solution is 3 mol/L or more, the solution further containing a surfactant that dissolves in the nonaqueous solvent. The proportion of the surfactant to the total amount of the electrolytic solution is preferably 0.5 mass% or more.[...]
Our summary: This electrolytic solution includes a lithium salt and a nonaqueous solvent. The lithium salt concentration is 3 mol/L or more, with a surfactant present. The surfactant s proportion in the solution is preferably 0.5 mass% or more.
Electrolytic solution, lithium salt, nonaqueous solvent, surfactant
Patent
Single-ion conducting gel polymer electrolyte and method for manufacturing the same
Patent published on the 2026-05-21 in US under Ref US20260142231 by SEOUL NAT UNIV R&DB FOUNDATION [KR] (Shin Jaewook [kr], Kim Wonkeun [kr], Ryu Kyoung Han [kr], Kwon Eunji [kr], Lee Jong-chan [kr], Lee Heewon [kr], Hong Donggi [kr])
Abstract: [0000] A single-ion conducting gel polymer electrolyte includes a fluorine-based compound with 25-40% of its main chain converted to carbon double bonds, and 35-55 wt % of a lithium salt. The polymer ensures anion immobilization, thereby limiting conduction primarily to lithium ions. By including an optional additive such as PEGMEMA in specific weight ratios, the electrolyte achieves both high ionic conductivity and robust film formation. A method for preparing this gel polymer electrolyte invol[...]
Our summary: A single-ion conducting gel polymer electrolyte is created using a fluorine-based compound and lithium salt. The preparation method includes mixing components and in-situ crosslinking to form a stable film. This electrolyte enhances lithium-metal anode stability and improves battery performance.
gel polymer electrolyte, single-ion conduction, lithium salt, dendrite suppression
Patent
Protected sulfur cathode for alkali metal-sulfur secondary battery and manufacturing method
Patent published on the 2026-05-21 in US under Ref US20260142183 by HONEYCOMB BATTERY CO [US] (Jang Bor Z [us])
Abstract: [0000] A sulfur cathode (and production process) for an alkali metal-sulfur cell, comprising: (i) a cathode active material layer comprising a resin binder, an optional conductive additive, and multiple particles of a sulfur-containing material selected from a sulfur-carbon hybrid, a sulfur-graphite hybrid, a sulfur-graphene hybrid, a conducting polymer-sulfur hybrid, a metal sulfide, a sulfur compound, or a combination thereof, wherein the sulfur-containing material particles are bonded by the [...]
Our summary: This document describes a sulfur cathode for alkali metal-sulfur batteries, detailing its active material layer and protective layer. The cathode active material layer includes a resin binder and sulfur-containing materials. The protective layer consists of a high-elasticity polymer that enhances the cathode s performance and durability.
sulfur cathode, alkali metal-sulfur battery, resin binder, high-elasticity polymer
Patent
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
High-Performance Silicon–Carbon Materials with High-Temperature Precursors for Advanced Lithium-Ion Batteries
Published on 2026-02-02 by Hailong Mei, Zhixiao Yin, Shuai Wang, Kui Zhang, Jiugou Leng, Ziguo He @MDPI
Abstract: In silicon–carbon (Si-C) anode materials fabricated via chemical vapor deposition (CVD), the pore size distribution of porous carbon is a critical parameter that strongly affects the overall electrochemical performance. In this study, biomass-derived hard carbon was employed as the precursor, and porous carbon materials with distinct pore size characteristics were prepared via fluidized bed porosimetry after carbonization at different temperatures. Based on these porous carbon subs[...]
Our summary: This study investigates silicon-carbon anode materials synthesized from biomass-derived hard carbon. It highlights the significance of pore size distribution on electrochemical performance. The NT-P-SC anode, prepared at 1100 °C, demonstrated superior cycling stability and capacity retention in full-cell configurations.
Silicon-carbon, Electrochemical performance, Porous carbon, Lithium-ion batteries
Publication
