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    • 5. 发明授权
    • Non-aqueous electrolyte solvents for secondary cells
    • 用于二次电池的非水电解质溶剂
    • US06245465B1
    • 2001-06-12
    • US09172720
    • 1998-10-13
    • Charles Austen AngellKang XuIgor P. KovalevTerje A. Skotheim
    • Charles Austen AngellKang XuIgor P. KovalevTerje A. Skotheim
    • H01M616
    • H01M10/0569H01G11/56H01M6/164H01M2300/0034Y02E60/13
    • The present invention pertains to non-aqueous electrolyte solvents which comprise a non-symmetrical, non-cyclic sulfone and which are suitable for use in secondary electric current producing cells. The present invention also pertains to electrolyte elements comprising such solvents, electric current producing cells comprising such electrolyte elements, and methods for making such electric current producing cells. More particularly, the present invention pertains to electrolyte elements comprising a non-aqueous electrolyte solvent, which solvent comprises a non-symmetrical, non-cyclic sulfone of the general formula R1—SO2—R2, wherein R1 and R2 are independently linear or branched alkyl or partially or fully fluorinated linear or branched alkyl groups having 1 to 7 carbon atoms, wherein R1 and R2 are different, and wherein —SO2— denotes the sulfone group.
    • 本发明涉及非水电解质溶剂,其包含非对称的非环状砜,并且适用于二次电流产生电池。 本发明还涉及包含这种溶剂的电解质元件,包含这种电解质元件的电流产生电池,以及制造这种电流产生电池的方法。 更具体地说,本发明涉及包含非水电解质溶剂的电解质元件,该溶剂包含通式为R 1 -SO 2 -R 2的非对称非环状砜,其中R 1和R 2独立地为直链或支链烷基 或部分或全部氟化的具有1至7个碳原子的直链或支链烷基,其中R1和R2不同,并且其中-SO2-表示砜基团。
    • 10. 发明申请
    • ELECTROLYTES IN SUPPORT OF 5V LI ION CHEMISTRY
    • 电解液支持5V锂离子化学
    • US20120009485A1
    • 2012-01-12
    • US12952354
    • 2010-11-23
    • Kang XuArthur Von Cresce
    • Kang XuArthur Von Cresce
    • H01M10/02
    • H01G11/58H01M2/1653H01M10/052H01M10/0567H01M10/0568H01M10/0569Y02E60/13
    • This invention described the preparation of a series of compounds that can be used as co-solvents, solutes or additives in non-aqueous electrolytes and their test results in various electrochemical devices. The inclusion of these novel compounds in electrolyte systems can enable rechargeable chemistries at high voltages that are otherwise impossible with state-of-the-art electrolyte technologies. These compounds are so chosen because of their beneficial effect on the interphasial chemistries formed at high potentials, such as 5.0 V class cathodes for new Li ion chemistries. The potential application of these compounds goes beyond Li ion battery technology and covers any electrochemical device that employs non-aqueous electrolytes for the benefit of high energy density resultant from high operating voltages.
    • 本发明描述了可用作非水电解质中的助溶剂,溶质或添加剂的一系列化合物的制备及其在各种电化学装置中的测试结果。 在电解质体系中包含这些新型化合物可以使得在高电压下的可充电化学物质以其它方式不可能与最先进的电解质技术相结合。 这些化合物是如此选择的,因为它们对在高电位下形成的相互间的化学反应有有益的影响,例如新的Li离子化学物质的5.0V级阴极。 这些化合物的潜在应用超越了锂离子电池技术,并且涵盖了任何使用非水电解质的电化学装置,以便由高工作电压产生的高能量密度。