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    • 1. 发明公开
    • 이차전지용 전해액 제조방법
    • 用于二次电池的电解质的制造方法及其装置
    • KR1020140026265A
    • 2014-03-05
    • KR1020130096662
    • 2013-08-14
    • 현대중공업 주식회사
    • 권균김정윤이호일공지현고동석
    • H01M10/056H01M10/04H01M2/38
    • The present invention provides an economic and direct method of manufacturing an electrolyte for a secondary battery using cheap V2O5, in which insoluble pentavalent vanadium is not produced, and an apparatus including the electrolyte. According to the present invention, a sulfuric acid (H2SO4) aqueous solution is inserted in a half cell for oxidation, and a V2O5 dispersion and an H2SO4 aqueous solution are inserted in a half cell for reduction, respectively. Then, a potential is applied to an oxidation electrode and a reduction electrode by voltage of 1.7-2.5 V and current of 20-100 mA/cm2. The application of the potential is conducted by two steps. A trivalent vanadium solution (electrolyte for an anode) and a tetravalent vanadium solution (electrolyte for a cathode) may be economically manufactured by using cheap V2O5 (a pentavalent material) without generating insoluble pentavalent vanadium. [Reference numerals] (AA) Water or sulfuric acid
    • 本发明提供一种使用廉价的V2O5制造二次电池的电解质的经济和直接的方法,其中不产生不溶性五价钒,以及包括电解质的装置。 根据本发明,将硫酸(H 2 SO 4)水溶液插入半电池用于氧化,并将V 2 O 5分散体和H 2 SO 4水溶液分别插入半电池中用于还原。 然后,通过1.7-2.5V的电压和20-100mA / cm 2的电流将电位施加到氧化电极和还原电极。 电位的应用由两个步骤进行。 可以通过使用便宜的V2O5(五价材料)而不产生不溶性五价钒来经济地制造三价钒溶液(用于阳极的电解质)和四价钒溶液(用于阴极的电解质)。 (标号)(AA)水或硫酸
    • 2. 发明公开
    • 이차 전지
    • 可充电电池
    • KR1020140025285A
    • 2014-03-04
    • KR1020130098515
    • 2013-08-20
    • 현대중공업 주식회사
    • 권균김정윤이호일정택민
    • H01M10/36H01M8/18
    • Y02E60/528H01M8/188H01M8/04201H01M8/04477H01M2300/0082
    • The present invention relates to a rechargeable battery, and more particularly, to a rechargeable battery that is capable of autonomously mixing and separating an electrolyte even though ions are penetrated and permeated due to unstable performance of an ion-exchange membrane to maintain constant good performance. The present invention provides a rechargeable battery including an ion-exchange membrane disposed inside a cell housing; cathode and anode disposed inside the cell housing separated by the ion-exchange membrane; inlet and outlet defined in the cell housing and through which an electrolyte used in each of the cathode and anode is introduced and discharged; an ion concentration detection part detecting ion concentration of cathode-electrolyte or anode-electrolyte; and an electrolyte mixture part mixing the cathode electrolyte with the anode electrolyte.
    • 本发明涉及一种可再充电电池,更具体地说,涉及一种能够自动混合和分离电解质的可再充电电池,即使离子由于离子交换膜的不稳定性而渗透并渗透,从而保持恒定的良好性能。 本发明提供一种可充电电池,其包括设置在电池壳体内的离子交换膜; 阴极和阳极设置在电池壳体的内部,由离子交换膜隔开; 限定在电池壳体中的入口和出口,并且通过该入口和出口在阴极和阳极的每一个中使用电解质被引入和排出; 检测阴极电解质或阳极电解质的离子浓度的离子浓度检测部; 以及将阴极电解质与阳极电解质混合的电解质混合物部分。