Non-aqueous electrolytic solutions and electrochemical cells comprising the same
    1.
    发明授权
    Non-aqueous electrolytic solutions and electrochemical cells comprising the same 有权
    非水电解液和包含其的电化学电池

    公开(公告)号:US08715865B2

    公开(公告)日:2014-05-06

    申请号:US11775950

    申请日:2007-07-11

    Abstract: Non-aqueous electrolyte solutions capable of protecting negative electrode materials such as lithium metal and carbonaceous materials in energy storage electrochemical cells (e.g., lithium metal batteries, lithium ion batteries and supercapacitors) include an electrolyte salt, a non-aqueous electrolyte solvent mixture, an unsaturated organic compound 4-methylene-1,3-dioxolan-2-one or 4,5-dimethylene-1,3-dioxolan-2-one, and other optional additives. The 1,3-dioxolan-2-ones help to form a good solid electrolyte interface on the negative electrode surface.

    Abstract translation: 在能量储存电化学电池(例如,锂金属电池,锂离子电池和超级电容器)中能够保护负极材料如锂金属和碳质材料的非水电解质溶液包括电解质盐,非水电解质溶剂混合物, 不饱和有机化合物4-亚甲基-1,3-二氧戊环-2-酮或4,5-二甲基-1,3-二氧戊环-2-酮,以及其它任选的添加剂。 1,3-二氧戊环-2-酮有助于在负极表面形成良好的固体电解质界面。

    High-energy metal air batteries
    2.
    发明授权
    High-energy metal air batteries 有权
    高能金属空气电池

    公开(公告)号:US08481187B2

    公开(公告)日:2013-07-09

    申请号:US12557452

    申请日:2009-09-10

    Abstract: Disclosed herein are embodiments of lithium/air batteries and methods of making and using the same. Certain embodiments are pouch-cell batteries encased within an oxygen-permeable membrane packaging material that is less than 2% of the total battery weight. Some embodiments include a hybrid air electrode comprising carbon and an ion insertion material, wherein the mass ratio of ion insertion material to carbon is 0.2 to 0.8. The air electrode may include hydrophobic, porous fibers. In particular embodiments, the air electrode is soaked with an electrolyte comprising one or more solvents including dimethyl ether, and the dimethyl ether subsequently is evacuated from the soaked electrode. In other embodiments, the electrolyte comprises 10-20% crown ether by weight.

    Abstract translation: 本文公开了锂/空气电池的实施例及其制造和使用方法。 某些实施例是封装在透氧膜包装材料内的袋电池电池,其小于总电池重量的2%。 一些实施方案包括包含碳和离子插入材料的混合空气电极,其中离子插入材料与碳的质量比为0.2至0.8。 空气电极可以包括疏水的多孔纤维。 在具体实施方案中,空气电极用包含一种或多种包括二甲醚的溶剂的电解质浸泡,然后从浸泡的电极中抽出二甲醚。 在其它实施方案中,电解质包含10-20重量%的冠醚。

    AIR ELECTRODES FOR HIGH-ENERGY METAL AIR BATTERIES AND METHODS OF MAKING THE SAME
    4.
    发明申请
    AIR ELECTRODES FOR HIGH-ENERGY METAL AIR BATTERIES AND METHODS OF MAKING THE SAME 审中-公开
    用于高能金属气体电池的空气电极及其制造方法

    公开(公告)号:US20120180945A1

    公开(公告)日:2012-07-19

    申请号:US13414641

    申请日:2012-03-07

    Abstract: Disclosed herein are embodiments of lithium/air batteries and methods of making and using the same. Certain embodiments are pouch-cell batteries encased within an oxygen-permeable membrane packaging material that is less than 2% of the total battery weight. Some embodiments include a hybrid air electrode comprising carbon and an ion insertion material, wherein the mass ratio of ion insertion material to carbon is 0.2 to 0.8. The air electrode may include hydrophobic, porous fibers. In particular embodiments, the air electrode is soaked with an electrolyte comprising one or more solvents including dimethyl ether, and the dimethyl ether subsequently is evacuated from the soaked electrode. In other embodiments, the electrolyte comprises 10-20% crown ether by weight.

    Abstract translation: 本文公开了锂/空气电池的实施例及其制造和使用方法。 某些实施例是封装在透氧膜包装材料内的袋电池电池,其小于总电池重量的2%。 一些实施方案包括包含碳和离子插入材料的混合空气电极,其中离子插入材料与碳的质量比为0.2至0.8。 空气电极可以包括疏水的多孔纤维。 在具体实施方案中,空气电极用包含一种或多种包括二甲醚的溶剂的电解质浸泡,然后从浸泡的电极中抽出二甲醚。 在其它实施方案中,电解质包含10-20重量%的冠醚。

    ANODES FOR LITHIUM ION BATTERIES
    5.
    发明申请
    ANODES FOR LITHIUM ION BATTERIES 有权
    锂离子电池阳极

    公开(公告)号:US20110114254A1

    公开(公告)日:2011-05-19

    申请号:US12621410

    申请日:2009-11-18

    Abstract: Methods for making composite anodes, such as macroporous composite anodes, are disclosed. Embodiments of the methods may include forming a tape from a slurry including a substrate metal precursor, an anode active material, a pore-forming agent, a binder, and a solvent. A laminated structure may be prepared from the tape and sintered to produce a porous structure, such as a macroporous structure. The macroporous structure may be heated to reduce a substrate metal precursor and/or anode active material. Macroporous composite anodes formed by some embodiments of the disclosed methods comprise a porous metal and an anode active material, wherein the anode active material is both externally and internally incorporated throughout and on the surface of the macroporous structure.

    Abstract translation: 公开了制备复合阳极的方法,例如大孔复合阳极。 方法的实施方案可以包括从包括底物金属前体,阳极活性材料,成孔剂,粘合剂和溶剂的浆料形成带。 可以从带材制备层压结构并烧结以产生多孔结构,例如大孔结构。 可以加热大孔结构以减少底物金属前体和/或阳极活性材料。 由所公开方法的一些实施方案形成的大孔复合阳极包括多孔金属和阳极活性材料,其中阳极活性材料既外部又内部并入大孔结构的整个表面。

    Solid polymeric electrolytes for lithium batteries
    10.
    发明授权
    Solid polymeric electrolytes for lithium batteries 有权
    用于锂电池的固体高分子电解质

    公开(公告)号:US07012124B2

    公开(公告)日:2006-03-14

    申请号:US10311644

    申请日:2001-06-16

    Abstract: Novel conductive polyanionic polymers and methods for their preparion are provided. The polyanionic polymers comprise repeating units of weakly-coordinating anionic groups chemically linked to polymer chains. The polymer chains in turn comprise repeating spacer groups. Spacer groups can be chosen to be of length and structure to impart desired electrochemical and physical properties to the polymers. Preferred embodiments are prepared from precursor polymers comprising the Lewis acid borate tri-coordinated to a selected ligand and repeating spacer groups to form repeating polymer chain units. These precursor polymers are reacted with a chosen Lewis base to form a polyanionic polymer comprising weakly coordinating anionic groups spaced at chosen intervals along the polymer chain. The polyanionic polymers exhibit high conductivity and physical properties which make them suitable as solid polymeric electrolytes in lithium batteries, especially secondary lithium batteries.

    Abstract translation: 提供了新的导电聚阴离子聚合物及其制备方法。 聚阴离子聚合物包含与聚合物链化学连接的弱配位阴离子基团的重复单元。 聚合物链依次包含重复的间隔基团。 间隔基团可以选择为长度和结构以赋予聚合物所需的电化学和物理性质。 优选实施方案由包含与选定配体三配位的路易斯酸硼酸盐的前体聚合物制备,并重复间隔基以形成重复的聚合物链单元。 这些前体聚合物与选择的路易斯碱反应以形成聚阴离子聚合物,其包含沿着聚合物链以选定间隔间隔的弱配位阴离子基团。 聚阴离子聚合物表现出高导电性和物理性能,使其适用于锂电池,特别是二次锂电池中的固体聚合物电解质。

Patent Agency Ranking