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    • 1. 发明申请
    • LITHIUM-ION SECONDARY BATTERY
    • 锂离子二次电池
    • US20110052966A1
    • 2011-03-03
    • US12942399
    • 2010-11-09
    • CHRISTINA M. LAMPE-ONNERUD
    • CHRISTINA M. LAMPE-ONNERUD
    • H01M4/131H01M10/38H01M10/36
    • H01M4/525H01M4/364H01M4/485H01M4/505H01M4/5825H01M10/0525H01M10/4235H01M2004/028Y02E60/122Y10T29/49108
    • In one embodiment, an active cathode material comprises a mixture that includes: at least one of a lithium cobaltate and a lithium nickelate; and at least one of a manganate spinel represented by an empirical formula of Li(1+x1)(Mn1-y1A′y1)2−x1Oz1 and an olivine compound represented by an empirical formula of Li(1−x2)A″x2MPO4. In another embodiment, an active cathode material comprises a mixture that includes: a lithium nickelate selected from the group consisting of LiCoO2-coated LiNi0.8Co0.15Al0.05O2, and Li(Ni1/3Co1/3Mn1/3)O2; and a manganate spinel represented by an empirical formula of Li(1+x7)Mn2−y7Oz7. A lithium-ion battery and a battery pack each independently employ a cathode that includes an active cathode material as described above. A method of forming a lithium-ion battery includes the steps of forming an active cathode material as described above; forming a cathode electrode with the active cathode material; and forming an anode electrode in electrical contact with the cathode via an electrolyte. A system comprises a portable electronic device and a battery pack or lithium-ion battery as described above.
    • 在一个实施方案中,活性阴极材料包括混合物,其包括:钴酸锂和镍酸锂中的至少一种; 和由Li(1 + x1)(Mn1-y1A'y1)2-x1Oz1的经验式表示的锰酸盐尖晶石和由经验式Li(1-x2)A“x2MPO4表示的橄榄石化合物中的至少一种。 在另一个实施方案中,活性阴极材料包括一种混合物,其包括:选自由LiCoO 2涂覆的LiNi0.8Co0.15Al0.05O2和Li(Ni1 / 3Co1 / 3Mn1 / 3)O2组成的组的镍酸锂; 和由Li(1 + x7)Mn2-y7Oz7的经验式表示的锰酸盐尖晶石。 锂离子电池和电池组各自独立地使用包含如上所述的活性阴极材料的阴极。 形成锂离子电池的方法包括如上所述形成活性阴极材料的步骤; 用活性阴极材料形成阴极电极; 以及通过电解质形成与阴极电接触的阳极电极。 系统包括如上所述的便携式电子设备和电池组或锂离子电池。
    • 10. 发明授权
    • Method and device for controlling a storage voltage of a battery pack
    • 用于控制电池组的存储电压的方法和装置
    • US08084998B2
    • 2011-12-27
    • US12651024
    • 2009-12-31
    • Christina M. Lampe-OnnerudYanning SongRichard V. Chamberlain, IIPer Onnerud
    • Christina M. Lampe-OnnerudYanning SongRichard V. Chamberlain, IIPer Onnerud
    • H02J7/00
    • H02J7/0031H01M4/505H01M4/525H01M10/0525H01M10/425H01M10/44H01M10/441H01M10/46H01M10/48H01M10/482H02J7/00H02J7/0057Y02T10/7011
    • A storage voltage of a battery pack is controlled with control electronics. The storage voltage of a battery pack is sensed, and a discharge mechanism is triggered if the storage voltage is within a predetermined range of voltage, to thereby adjust the storage voltage of the battery pack to below the predetermined range of voltage, or if the storage voltage is at or above a predetermined voltage, to thereby adjust the storage voltage of the battery pack to below the predetermined voltage. Control electronics sense a storage voltage of a battery pack and trigger a discharge mechanism if the storage voltage is within a predetermined range of voltage, to thereby adjust the storage voltage of the battery pack to below the predetermined range of voltage, or if the storage voltage is at or above a predetermined voltage, to thereby adjust the storage voltage of the battery pack to below the predetermined voltage. The control electronics are coupled to an electronic device and a battery pack. The control electronics are either implemented into the electronic device or the battery pack, or in a separate control electronic device.
    • 电池组的存储电压由控制电子元件控制。 感测到电池组的存储电压,并且如果存储电压在预定的电压范围内,则触发放电机构,从而将电池组的存储电压调整到低于预定电压范围,或者如果存储 电压处于或高于预定电压,从而将电池组的存储电压调节到预定电压以下。 如果存储电压在预定的电压范围内,则控制电路感测电池组的存储电压并触发放电机构,从而将电池组的存储电压调整到预定的电压范围以下,或者如果存储电压 处于或高于预定电压,从而将电池组的存储电压调节到预定电压以下。 控制电子设备耦合到电子设备和电池组。 控制电子设备被实现到电子设备或电池组中,或者在单独的控制电子设备中实现。