
钠离子电池是一种电化学储能电池,它以钠离子代替 锂 在充放电循环过程中,钠作为携带电荷的物质在阴极和阳极之间穿梭,其插入和萃取化学作用在机理上类似于锂离子,但受制于钠较大的离子半径、较低的还原电位和更高的地壳丰度。.
阴极材料技术主要分为三大类:
- 层状过渡金属氧化物
- 普鲁士蓝类似物
- 包括NASICON型磷酸盐和硫酸盐在内的多阴离子化合物
每种正极材料在比容量、电压平台、反复钠化下的结构稳定性以及合成成本方面都存在不同的权衡;没有一种正极材料像 NMC 和 LFP 在锂离子电池领域那样获得市场整合。
在阳极方面,石墨的钠插层能力微乎其微,因此并不适用,研究方向是将从生物质或树脂前体中提取的硬碳作为当前的实用标准,而金属钠阳极则是能量较高但容易产生树枝状突起的前沿领域。电解质配方--醚或碳酸盐溶剂中的 NaPF6 或 NaClO4 盐、离子液体或新出现的固态钠导体--关键性地决定了固态电解质的相间化学性质,而这种化学性质制约着第一周期的库仑效率、速率能力和日历老化。.
下面列出的出版物和专利涉及正极和负极材料合成、电解质工程、SEI表征、电池规格设计、形成协议优化以及系统级技术经济建模。
这是我们最新精选的有关钠离子电池的全球英文出版物和专利,涉及许多科学在线期刊,分类并侧重于钠离子电池、纳离子电池、钠离子阴极、层状氧化物阴极钠、普鲁士蓝模拟阴极、聚阴离子阴极钠、NASICON 阴极、硬碳阳极钠、软碳阳极钠、金属钠阳极、钠离子电解质、醚基电解质钠、钠盐电解质、NaPF6 电解质、钠离子、固体电解质和钠离子 SEI 层。.
All-solid-state battery
Patent published on the 2026-05-28 in WO under Ref WO2026111067 by SAMSUNG ELECTRO MECH CO LTD [KR] (Kim Dongwon [kr], Kim Taehoon [kr], Keum Donghoon [kr], Kim Junhyeon [kr], Kim Han [kr])
Abstract: Provided is an all-solid-state battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer. The positive electrode layer includes a positive electrode active material comprising a core containing a lithium metal oxide and a surface layer formed on at least part of the core surface. The surface layer includes a first material containing at least one transition metal selected [...]
Our summary: The all-solid-state battery consists of a positive electrode layer, a negative electrode layer, and a solid electrolyte layer. The positive electrode includes a core of lithium metal oxide and a surface layer with transition metals. The surface layer also contains metals such as magnesium, aluminum, and titanium.
all-solid-state battery, solid electrolyte, positive electrode, lithium metal oxide
Patent
All-solid-state battery and method of manufacturing the same
Patent published on the 2026-05-28 in WO under Ref WO2026111063 by SAMSUNG ELECTRO MECH CO LTD [KR] (Kim Dongwon [kr], Kim Nahyeon [kr], Kim Namgyu [kr], Lee Wonyoung [kr], Kim Han [kr])
Abstract: The present disclosure relates to an all-solid-state battery and a method of manufacturing the same, including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer stacked between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a positive electrode current collecting layer including a current collecting material and a first positive electrode active material; a first positive electrode active material l[...]
Our summary: The disclosure presents an all-solid-state battery design with a positive electrode layer, a negative electrode layer, and a solid electrolyte layer. It details the structure of the positive electrode layer, which includes a current collecting layer and two active material layers. The method of manufacturing the battery is also described.
all-solid-state battery, solid electrolyte, positive electrode, manufacturing method
Patent
All-solid-state rechargeable battery and method for manufacturing all-solid-state rechargeable battery
Patent published on the 2026-05-27 in EP under Ref EP4749695 by SAMSUNG SDI CO LTD [KR] (Kim Hyunwoo [kr])
Abstract: [0001] An all-solid rechargeable battery includes a first electrode powder layer, a solid electrolyte powder layer disposed on the first electrode powder layer, and a second electrode powder layer disposed on the solid electrolyte powder layer.[...]
Our summary: The all-solid-state rechargeable battery consists of a first electrode powder layer, a solid electrolyte powder layer, and a second electrode powder layer. The layers are arranged sequentially to form the battery structure. A method for manufacturing this type of battery is also described.
all-solid-state battery, solid electrolyte, electrode layers, manufacturing method
Patent
Electrolyte composition with improved high-temperature safety and lithium secondary battery comprising same
Patent published on the 2026-05-27 in EP under Ref EP4749747 by LG ENERGY SOLUTION LTD [KR] (Suh Soo Min [kr], Lee Chul Haeng [kr], Ahn Kyoung Ho [kr], Oh Young Ho [kr], Jeong You Kyeong [kr], Im Tae Yeong [kr])
Abstract: [0001] The present disclosure relates to an electrolyte composition for lithium secondary batteries. The electrolyte composition for lithium secondary batteries includes a fluorine-substituted linear ester solvent and a fluorine-substituted acrylic additive as a non-aqueous organic solvent and an electrolyte additive, respectively, thereby enabling uniform formation of a solid electrolyte interface layer (SEI layer) with high lithium ion conductivity and excellent heat resistance on the negative[...]
Our summary: The disclosure presents an electrolyte composition for lithium secondary batteries that enhances high-temperature safety. It includes a fluorine-substituted linear ester solvent and a fluorine-substituted acrylic additive. This composition improves lithium ion conductivity and reduces heat generation during battery activation.
Electrolyte composition, lithium secondary battery, solid electrolyte interface, high-temperature safety
Patent
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
Heating element and solid state battery comprising the same, and methods of making and operating thereof
Patent published on the 2026-05-21 in US under Ref US20260142267 by AMPCERA INC [US] (Du Hui [us], Yi Eongyu [us], Brown James Emery [us])
Abstract: [0000] A solid-state battery comprising a positive electrode and a negative electrode, with a solid electrolyte layer positioned between them. The battery includes a positive current collector in electrical contact with the positive electrode and a negative current collector in electrical contact with the negative electrode. A heating element is situated in proximity to at least one of the current collectors, comprising a polymer substrate with a first surface and a second surface. A conductive [...]
Our summary: The solid-state battery features a positive and negative electrode separated by a solid electrolyte. A heating element is integrated near the current collectors, utilizing a polymer substrate with a conductive oxide layer. The design includes insulation to enable efficient heating for optimal battery operation.
solid-state battery, heating element, polymer substrate, conductive oxide
Patent
Crosslinked Zwitterionic PVA-g-SBMA/PEDOT:PSS Networks for Mechanically Robust All-Solid-State Electrolytes
Published on 2026-01-28 by Chia-Wen Wei, Chia-Yu Chen, Shyh-Chyang Luo, Dmitry G. Belov, Szu-Nan Yang @MDPI
Abstract: Conventional lithium-ion batteries face issues like electrolyte leakage and interface instability. Solid-state lithium batteries with solid electrolytes address these, while solid-state polymer electrolytes (SPEs) offer safety and flexibility. This study primarily aimed to develop and synthesize a graft copolymer, PVA-g-SBMA, which was successfully synthesized by grafting [2-(methacryloyloxy)ethyl] dimethyl-(3-sulfopropyl)ammonium hydroxide (SBMA) onto poly(vinyl alcohol) (PVA). PVA provided exc[...]
Our summary: This study developed a graft copolymer, PVA-g-SBMA, by grafting SBMA onto PVA to enhance ionic conductivity and mechanical properties in solid-state electrolytes. The copolymer was crosslinked with PEDOT:PSS to form a robust network, improving film performance. The optimal system achieved a conductivity of 4.9 × 10⁻⁴ S/cm at room temperature with specific lithium salt concentrations.
Crosslinked, Zwitterionic, Solid-state, Electrolytes
Publication
Advances in Sodium Ion Batteries Based on Mixed Electrolytes of ILs and Organic Solvents
Published on 2026-01-28 by Sajjad Ghiyami, Claudio Mele @MDPI
Abstract: Sodium-ion batteries (SIBs) represent a topic of extreme interest in the research field, especially because the materials used are cheaper than those in lithium-ion batteries (LIBs). In SIBs, the choice of cathodes and electrolytes is very important because they will affect the energy density, cycling stability, and safety of the battery. This work focuses on the prospect of hybrid electrolyte cells that incorporate ionic liquids (ILs) into organic liquids in order to improve the safety and perf[...]
Our summary: This study explores the use of hybrid electrolytes combining ionic liquids and organic solvents in sodium-ion batteries. It highlights improvements in ionic conductivity, electrochemical stability, and thermal safety. The research suggests that these advancements could enhance the performance and lifecycle of sodium-ion battery technology for large-scale energy storage applications.
Sodium-ion batteries, hybrid electrolytes, ionic liquids, energy storage
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