Rechargeable electrochemical accumulator
    14.
    发明申请
    Rechargeable electrochemical accumulator 有权
    可充电电化学蓄电池

    公开(公告)号:US20070111105A1

    公开(公告)日:2007-05-17

    申请号:US10543885

    申请日:2004-01-29

    IPC分类号: H01M6/18

    摘要: The invention relates to a metallic lithium rechargeable electrochemical accumulator, comprising at least one lithium metal electrode and at least one polymeric electrolyte gel. Said accumulator is capable of operating at temperatures from −20 to 60° C., essentially without formation of lithium dendrites on the whole surface of the metallic lithium electrode. The above is also wherein a particularly long life, even with intensive use at low temperature. Said inventive rechargeable accumulator can be produced by use of a production method with particular application of temperature control during the specific production stages. As a result of the extremely high electrochemical performance of said accumulator, in particular the remarkable stability thereof, said accumulator can be used in new application fields such as hybrid vehicles, electric vehicles and emergency supply systems such as those of the UPS type.

    摘要翻译: 本发明涉及一种金属锂可再充电电化学蓄电池,其包含至少一种锂金属电极和至少一种聚合物电解质凝胶。 所述蓄能器能够在-20至60℃的温度下操作,基本上在金属锂电极的整个表面上不形成锂枝晶。 上述还具有特别长的使用寿命,即使在低温下也是密集使用的。 所述本发明的可再充电蓄电池可以通过使用在特定生产阶段中特别应用温度控制的生产方法来生产。 由于所述蓄电池的电化学性能极高,特别是其显着的稳定性,所述蓄电池可用于诸如混合动力车辆,电动车辆和UPS型应急供电系统等新的应用领域。

    Lithium Iron Phosphate Cathode Materials With Enhanced Energy Density And Power Performance
    19.
    发明申请
    Lithium Iron Phosphate Cathode Materials With Enhanced Energy Density And Power Performance 审中-公开
    具有增强的能量密度和功率性能的磷酸铁锂阴极材料

    公开(公告)号:US20100327223A1

    公开(公告)日:2010-12-30

    申请号:US12827565

    申请日:2010-06-30

    IPC分类号: H01M4/90 B05D5/00

    摘要: The invention is related to a cathode material comprising particles having a lithium metal phosphate core and a pyrolytic carbon deposit, said particles having a synthetic multimodal particle size distribution comprising at least one fraction of micron size particles and one fraction of submicron size particles, said lithium metal phosphate having formula LiMPO4 wherein M is at least Fe or Mn.Said material is prepared by method comprising the steps of providing starting micron sized particles and starting submicron sized particles of at least one lithium metal phosphate or of precursors of a lithium metal phosphate; mixing by mechanical means said starting particles; making a pyrolytic carbon deposit on the lithium metal phosphate starting particles before or after the mixing step, and on their metal precursor before or after mixing the particles; optionally adding carbon black, graphite powder or fibers to the said lithium metal phosphate particles before the mechanical mixing.

    摘要翻译: 本发明涉及包含具有锂金属磷酸盐芯和热解碳沉积物的颗粒的阴极材料,所述颗粒具有包含至少一部分微米级颗粒和一部分亚微米尺寸颗粒的合成多峰粒度分布,所述锂 具有式LiMPO 4的金属磷酸盐,其中M至少为Fe或Mn。 所述材料通过包括以下步骤的方法制备:包括提供起始微米尺寸的颗粒和开始至少一种锂金属磷酸盐或锂金属磷酸盐前体的亚微米尺寸的颗粒; 通过机械装置混合所述起始颗粒; 在混合步骤之前或之后在锂金属磷酸盐起始颗粒上制备热解碳沉积物,以及在混合颗粒之前或之后对其金属前体; 在机械混合之前,任选地将碳黑,石墨粉或纤维加入到所述锂金属磷酸盐颗粒中。

    Lithium iron phosphate cathode materials with enhanced energy density and power performance
    20.
    发明申请
    Lithium iron phosphate cathode materials with enhanced energy density and power performance 审中-公开
    磷酸铁锂正极材料具有增强的能量密度和功率性能

    公开(公告)号:US20090155689A1

    公开(公告)日:2009-06-18

    申请号:US12000625

    申请日:2007-12-14

    IPC分类号: H01M4/40 H01M4/48 C01B25/30

    摘要: The invention is related to a cathode material comprising particles having a lithium metal phosphate core and a pyrolytic carbon deposit, said particles having a synthetic multimodal particle size distribution comprising at least one fraction of micron size particles and one fraction of submicron size particles, said lithium metal phosphate having formula LiMPO4 wherein M is at least Fe or Mn.Said material is prepared by method comprising the steps of providing starting micron sized particles and starting submicron sized particles of at least one lithium metal phosphate or of precursors of a lithium metal phosphate; mixing by mechanical means said starting particles; making a pyrolytic carbon deposit on the lithium metal phosphate starting particles before or after the mixing step, and on their metal precursor before or after mixing the particles; optionally adding carbon black, graphite powder or fibers to the said lithium metal phosphate particles before the mechanical mixing.

    摘要翻译: 本发明涉及包含具有锂金属磷酸盐芯和热解碳沉积物的颗粒的阴极材料,所述颗粒具有合成多峰粒度分布,其包含至少一部分微米级颗粒和一部分亚微米级颗粒,所述锂 具有式LiMPO 4的金属磷酸盐,其中M至少为Fe或Mn。 所述材料通过包括以下步骤的方法制备:包括提供起始微米尺寸的颗粒和开始至少一种锂金属磷酸盐或锂金属磷酸盐前体的亚微米尺寸的颗粒; 通过机械装置混合所述起始颗粒; 在混合步骤之前或之后在锂金属磷酸盐起始颗粒上制备热解碳沉积物,以及在混合颗粒之前或之后对其金属前体; 在机械混合之前,任选地将碳黑,石墨粉或纤维加入到所述锂金属磷酸盐颗粒中。