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    • 2. 发明申请
    • Non-aqueous electrolyte secondary battery and manufacturing methods of an electrode used therein
    • 非水电解质二次电池及其中使用的电极的制造方法
    • US20040202928A1
    • 2004-10-14
    • US10781948
    • 2004-02-20
    • Sanyo Electric Co., Ltd.
    • Yoshikumi MiyamotoJun OkazakiRyuji OhshitaHitoshi TanakaYoshinobu Okumura
    • H01M002/18H01M010/04
    • H01M4/0402H01M4/0435H01M4/13H01M4/62H01M10/0431H01M10/0525Y10T29/49115
    • To provide a non-aqueous electrolyte secondary battery adapted to prevent an internal short circuit between an positive electrode and a negative electrode caused by the penetration of electrically conductive micro particles through a separator, which occurs when winding up electrodes, and manufacturing methods of an electrode used therein, whereby the non-aqueous electrolyte secondary battery having a coiled electrode assembly is formed through the multilayer winding of an positive electrode 90 having a metallic collector 76 coated with an positive electrode mixture 78 composed of an positive electrode active material that occludes and liberates lithium ions, a negative electrode 86 having a metallic collector 82 coated with a negative electrode mixture 84, composed of a negative electrode active material that occludes and liberates lithium ions, and a separator 72 interposed between the positive electrode and the negative electrode, wherein the positive electrode 90 has an insulating layer 100 formed by means of the dried coating method, the heat seal tape method, or the hot melt coating method on a portion of the metallic collector 76 which is uncoated with the positive electrode mixture 78 and opposed to the negative electrode 86 coated with the negative electrode mixture 84, through the separator 72.
    • 提供一种非水电解质二次电池,其适用于防止由导电性微粒通过隔膜引起的正极和负极之间的内部短路,所述隔板在卷绕电极时发生,并且电极的制造方法 由此,具有线圈电极组件的非水电解质二次电池通过具有金属集电体76的正极90的多层绕组形成,该金属集电体76涂覆有由正极活性物质构成的正极混合物78,所述正极合剂78封闭并释放 锂离子,具有由负极活性物质封闭并释放锂离子的负极混合物84涂敷的金属集电体82的负极86以及置于正极和负极之间的隔板72,其中, 正极90具有绝缘性 通过干燥涂布方法形成的层100,热封带法或热熔涂覆法,在金属集电体76的未涂覆有正极合剂78并与涂覆有正极混合物78的负极86相对的部分上 负极混合物84,通过分离器72。
    • 3. 发明申请
    • Nano-electrochemical cells
    • 纳米电化学电池
    • US20040194295A1
    • 2004-10-07
    • US10482068
    • 2004-05-21
    • Mino Green
    • H01M010/04
    • B01L3/5085B01J19/0046B01J2219/00317B01J2219/00585B01J2219/00653B01J2219/00659B01J2219/00713B01L2200/12B01L2300/0819C40B60/14G01N27/403Y10T29/49108Y10T29/49115
    • A method of forming an array of electrically addressable cells includes the steps of (a) forming a set of parallel conductor strips extending in a first direction on an insulating substrate; (b) forming an insulating layer superimposed on the first series of parallel strips; and (c) forming a second set of parallel conductor strips extending in a direction at right angles to the first direction superimposed on the insulating layer so as to form crossover regions between the strips. Thereafter, (d) wells are formed in the structure which extend through the conductor strips so that the wells at the crossover regions can be addressed electrically in the conductor strips. The addressable array of cells can then be used for selectively reacting a substance with a series of different reagents by a method which involves addressing selected groups of cells with electrical signals using the matrix of conductor strips. An electrolyte is applied to the array in such a way that the selected cells can be either shuttered by gas bubbles formed by the electrolyte, to protect them from reaction, or can be subjected to a local change in pH which promotes a reaction. In this way, a matrix of chemicals can be synthesized so that the composition and spatial position is known for each component of the matrix.
    • 形成电可寻址单元阵列的方法包括以下步骤:(a)在绝缘基板上形成沿第一方向延伸的一组平行导体条; (b)形成叠加在所述第一系列平行条上的绝缘层; 以及(c)形成第二组平行导体条,所述第二组平行导体条在与所述绝缘层上叠加的所述第一方向成直角的方向上延伸,以在所述条之间形成交叉区域。 此后,(d)在延伸穿过导体条的结构中形成阱,使得交叉区上的阱可以在导体条中电寻址。 然后,可寻址的单元阵列可以用于通过涉及使用导体条的矩阵用电信号寻址选定的单元组的方法来选择性地使物质与一系列不同的试剂反应。 将电解质以这样的方式施加到阵列上,使得所选择的电池可以被电解质形成的气泡所切开,以保护它们免受反应,或者可能经受促进反应的pH的局部变化。 以这种方式,可以合成化学品矩阵,使得组合物和空间位置对于矩阵的每个组分是已知的。
    • 7. 发明申请
    • Lithium ion secondary battery and a method for manufacturing the same
    • 锂离子二次电池及其制造方法
    • US20040106046A1
    • 2004-06-03
    • US10716117
    • 2003-11-18
    • Yasushi Inda
    • H01M010/38H01M010/04H01M010/40
    • H01M10/0562H01M4/131H01M4/133H01M4/485H01M4/505H01M4/525H01M10/0436H01M10/0525H01M10/058H01M2300/0068H01M2300/0091Y10T29/49115
    • A lithium ion secondary battery includes a positive electrode, a negative electrode and a thin film solid electrolyte including lithium ion conductive inorganic substance. The thin film solid electrolyte has thickness of 20 nullm or below and is formed directly on an electrode material or materials for the positive electrode and/or the negative electrode. The thin film solid electrolyte has lithium ion conductivity of 10null5 Scmnull1 or over and contains lithium ion conductive inorganic substance powder in an amount of 40 weight % or over in a polymer medium. The average particle diameter of the inorganic substance powder is 0.5 nullm or below. According to a method for manufacturing the lithium ion secondary battery, the thin film solid electrolyte is formed by coating the lithium ion conductive inorganic substance directly on the electrode material or materials for the positive electrode and/or the negative electrode.
    • 锂离子二次电池包括正极,负极和包含锂离子传导性无机物质的薄膜固体电解质。 薄膜固体电解质的厚度为20μm以下,直接形成在电极材料或正极和/或负极的材料上。 薄膜固体电解质的锂离子电导率为10 -5 SCm -1以上,在聚合物介质中含有40重量%以上的锂离子传导性无机物粉末。 无机物粉末的平均粒径为0.5μm以下。 根据锂离子二次电池的制造方法,通过将锂离子传导性无机物质直接涂布在电极材料或正极和/或负极的材料上而形成薄膜固体电解质。
    • 10. 发明申请
    • Lithium cell with mixed polymer system
    • 锂电池与混合聚合物体系
    • US20040018428A1
    • 2004-01-29
    • US10202310
    • 2002-07-24
    • Steven D. CochranGregory K. MacLean
    • H01M004/62H01M002/16H01M010/04
    • H01M10/0525H01M2/1673H01M4/621H01M4/623H01M10/0565H01M2300/0082Y10T29/49114
    • A lithium cell and method for producing, wherein an electrode contains a first polymer and a separator contains a second polymer having a melting point below that of the first polymer. The first polymer may be the same in the anode and the cathode, or one electrode may contain the first polymer and the other electrode contain a third polymer. The first polymer may be a homopolymer, and the second polymer may be a copolymer, and may contain the first and/or third polymers as components. In one embodiment, the first polymer is polyvinylidene fluoride (PVDF) and the second polymer is PVDF and hexafluoropropylene. The relatively high melting point first and/or first and third polymer(s) permits high temperature drying of the electrodes, which facilitates water removal and thereby increases cell life. It also reduces swelling of the porous structure, which facilitates permeation of the electrolyte.
    • 一种锂电池及其制造方法,其中电极含有第一聚合物,隔膜含有熔点低于第一聚合物的第二聚合物。 第一聚合物可以在阳极和阴极中相同,或者一个电极可以包含第一聚合物,另一个电极含有第三聚合物。 第一聚合物可以是均聚物,第二聚合物可以是共聚物,并且可以包含第一和/或第三聚合物作为组分。 在一个实施方案中,第一聚合物是聚偏二氟乙烯(PVDF),第二聚合物是PVDF和六氟丙烯。 相对高的熔点第一和​​/或第一和第三聚合物允许电极的高温干燥,这有助于除水,从而增加电池寿命。 它还减少多孔结构的溶胀,这便于电解质的渗透。