This is our latest selection of worldwide publications and patents in english on Lithium Research and Applications, between many scientific online journals, classified and focused on lithium.
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Positive electrode material, preparation method therefor, and use thereof
Patent published on the 2025-06-12 in WO under Ref WO2025118378 by NINGBO RONBAY NEW ENERGY TECH CO LTD [CN] (Zhang Yu [cn], Chen Yu [cn], Zhang Wenxu [cn], Lei Yongtong [cn], Wang Xueying [cn], Huang Tao [cn], Feng Daoyan [cn], Yan Xufeng [cn], Liu Rui [cn], Li Congxi [cn])
Abstract: A positive electrode material, a preparation method therefor, and a use thereof. The positive electrode material comprises a base material and lithium oxalate particles covering at least part of the surface of the base material; and the particle size of the lithium oxalate particles is less than 200 nm. The lithium oxalate particles having the particle size less than 200 nm are loaded on the surface of the base material, thereby exerting the lithium supplementing effect of lithium oxalate to the[...]
Our summary: Positive electrode material with lithium oxalate particles less than 200 nm in size is prepared and applied to batteries to increase capacity and initial efficiency.
positive electrode material, preparation method, lithium oxalate particles, battery
Patent
Cof film solid electrolyte, manufacturing method thereof, and lithium secondary battery comprising same
Patent published on the 2025-06-05 in WO under Ref WO2025116322 by KOREA ADVANCED INSTITUTE OF SCIENCE AND TECH [KR] (Byon Hye Ryung [kr], Choi Rak Hyeon [kr])
Abstract: The present invention relates to: a solid electrolyte for a lithium secondary battery; and a lithium secondary battery comprising same, the solid electrolyte comprising a covalent organic framework (COF) film solid electrolyte represented by chemical formula 1, having unit structures linked by a beta ketoenamine functional group, and comprising a lithium sulfonate functional group.[...]
Our summary: The invention discloses a COF film solid electrolyte for lithium secondary batteries, manufactured using a specific method, and incorporated into a lithium secondary battery.
COF film solid electrolyte, manufacturing method, lithium secondary battery
Patent
Cathode active material for lithium secondary battery, method for manufacturing same and lithium secondary battery comprising same
Patent published on the 2025-03-06 in WO under Ref WO2025048348 by POSCO FUTURE M CO LTD [KR] (Lim Seokjae [kr], Park Jeonghyeon [kr], Seo Sunghwa [kr], Kim Jaehan [kr], Choi Kwonyoung [kr])
Abstract: A cathode active material for a lithium secondary battery according to the present invention comprises: a lithium metal oxide in the form of a single particle; and a coating layer positioned on the surface of the lithium metal oxide, wherein the coating layer may comprise Al and W, and the cathode active material for a lithium secondary battery has excellent electrochemical performance due to improved discharge capacity and high-temperature lifespan.[...]
Our summary: Cathode active material comprising lithium metal oxide in single particle form with Al and W coating layer, improves discharge capacity and high-temperature lifespan, for lithium secondary batteries.
cathode active material, lithium secondary battery, manufacturing method, coating layer
Patent
Li metal battery cycle life improvement by interface metal/dielectric stack
Patent published on the 2025-03-06 in WO under Ref WO2025049152 by APPLIED MAT INC [US] (Sharma Kashish [us], Humphreys Thomas [us], Gopalakrishnan Nair Girish Kumar [us], Herle Subramanya P [us])
Abstract: Alkali metal containing devices and methods for manufacturing alkali metal containing devices are provided. In one aspect, an anode electrode structure is provided. The anode electrode structure includes a current collector including copper and/or stainless steel, a lithium metal film formed over the current collector, and a protective film stack formed on the lithium metal film. The protective film stack includes a metallic film formed over the lithium metal film and a lithium salt film formed [...]
Our summary: Improvement of Li metal battery cycle life through interface metal/dielectric stack. Manufacturing alkali metal devices with an anode electrode structure. Current collector with protective film stack for lithium metal film.
cycle life, Li metal battery, interface metal/dielectric stack, alkali metal devices
Patent
Electrolyte additive, electrolyte comprising same for lithium secondary battery, and lithium secondary battery
Patent published on the 2025-03-06 in WO under Ref WO2025048332 by LG ENERGY SOLUTION LTD [KR] (Park Sung Guk [kr], Lee Chul Haeng [kr], Lee Jung Hoon [kr])
Abstract: The present invention provides an electrolyte additive, an electrolyte comprising same for a lithium secondary battery, and a lithium secondary battery. Specifically, the present invention can provide an electrolyte for a lithium secondary battery and a lithium secondary battery comprising same, wherein the electrolyte can achieve excellent high-temperature storage characteristics and high-temperature cycle characteristics by applying an electrolyte additive containing a compound represented by [...]
Our summary: The present invention provides an electrolyte additive for lithium secondary batteries, improving high-temperature storage and cycle characteristics.
electrolyte additive, lithium secondary battery, high-temperature storage, high-temperature cycle
Patent
Electrode lead, manufacturing method therefor, and lithium secondary battery comprising same
Patent published on the 2025-03-06 in WO under Ref WO2025048347 by LG ENERGY SOLUTION LTD [KR] (Yoon Hye Jung [kr], Yu Hyung Kyun [kr], Hwang Soo Ji [kr], Kim Jin Hyung [kr], Kim Mi Na [kr])
Abstract: The present invention relates to an electrode lead. The electrode lead is electrically connected to an electrode assembly and includes: a metal terminal; and a film layer positioned on the metal terminal and having two or more patterns intagliated on the surface thereof, wherein the two or more patterns are spaced apart from each other at equal intervals and are arranged in the horizontal direction of the film layer, and each of the two or more patterns includes a side surface and a bottom surfa[...]
Our summary: Electrode lead with intagliated film layer for lithium secondary battery.
electrode lead, manufacturing method, lithium secondary battery, metal terminal
Patent
