专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2014028219A1 LITHIUM ION BATTERIES WITH HIGH ENERGY DENSITY, EXCELLENT CYCLING CAPABILITY AND LOW INTERNAL IMPEDANCE 审中-公开
标题翻译：具有高能量密度，卓越循环能力和低内部阻抗的锂离子电池
公开(公告)号：WO2014028219A1
公开(公告)日：2014-02-20
申请号：PCT/US2013/053015
申请日：2013-07-31
申请人： ENVIA SYSTEMS, INC.
发明人： KARTHIKEYAN, Deepak, Kumaar Kandasamy , BEI, Yezi , VENKATACHALAM, Subramanian , LOPEZ, Herman, A. , BOWLING, Charles, A. , LI, Bing , AMIRUDDIN, Shabab , KUMAR, Sujeet
IPC分类号： H01M10/0525 , H01M4/525 , H01M10/056
CPC分类号： H01B1/08 , C01G53/50 , C01P2002/52 , C01P2006/40 , H01M2/021 , H01M4/131 , H01M4/505 , H01M10/0525 , Y02E60/122 , Y02T10/7011
摘要： Batteries with particularly high energy capacity and low internal impedance have been described herein. The batteries can exhibit extraordinary long cycling with acceptable low amounts of fade. Pouch batteries using high specific capacity lithium rich metal oxide as positive electrode material combined with graphitic carbon anode can reach an energy density of at least about 180 Wh/kg at a rate of C/3 from 4.35V to 2V at room temperature while having a room temperature areas specific DC resistance of no more than about 75 ohms-cm" at 20% SOC based on a full charge to 4.35V. High specific capacity lithium rich metal oxide with specific stoichiometry ranges used in these batteries are disclosed.
摘要翻译：这里描述了具有特别高的能量容量和低内部阻抗的电池。电池可以显示非凡的长时间循环，可接受的低褪色量。使用高比容量的富锂金属氧化物作为与石墨碳阳极结合的正极材料的袋电池可以在室温下从4.35V至2V的C / 3速率达到至少约180Wh / kg的能量密度，同时具有公开了在这些电池中使用的具有特定化学计量范围的高比容量的富锂金属氧化物，具有不超过约75欧姆 - 厘米-2“的20％SOC的室温区域。

2. 发明申请

WO2013147958A2 POROUS SILICON BASED ANODE MATERIAL FORMED USING METAL REDUCTION 审中-公开
标题翻译：使用金属还原形成的多孔硅基阳极材料
公开(公告)号：WO2013147958A2
公开(公告)日：2013-10-03
申请号：PCT/US2012/072292
申请日：2012-12-31
申请人： ENVIA SYSTEMS, INC.
发明人： ANGUCHAMY, Yogesh, Kumar , MASARAPU, Charan , DENG, Haixia , HAN, Yongbong , VENKATACHALAM, Subramanian , KUMAR, Sujeet , LOPEZ, Herman, A.
IPC分类号： H01M4/134 , H01M4/525 , H01M4/58 , H01M10/0525
CPC分类号： C01B33/023 , B82Y30/00 , H01M4/134 , H01M4/362 , H01M4/366 , H01M4/386 , H01M4/505 , H01M4/525 , H01M4/622 , H01M4/625 , H01M10/052 , H01M2004/021 , H01M2010/4292 , Y02E60/122 , Y02T10/7011
摘要： A porous silicon based material comprising porous crystalline elemental silicon formed by reducing silicon dioxide with a reducing metal in a heating process followed by acid etching is used to construct negative electrode used in lithium ion batteries. Gradual temperature heating ramp(s) with optional temperature steps can be used to perform the heating process. The porous silicon formed has a high surface area from about 10 m2/g to about 200 m2/g and is substantially free of carbon. The negative electrode formed can have a discharge specific capacity of at least 1800mAh/g at rate of C/3 discharged from 1.5V to 0.005V against lithium with in some embodiments loading levels ranging from about 1.4 mg/cm2 to about 3.5 mg/cm2. In some embodiments, the porous silicon can be coated with a carbon coating or blended with carbon nanofibers or other conductive carbon material.
摘要翻译：使用包含在加热过程中随后用酸蚀刻还原二氧化硅形成的多孔结晶元素硅的多孔硅基材料来构造用于锂离子电池的负极。可以使用温度逐渐升温的温度梯度来进行加热过程。形成的多孔硅具有约10m 2 / g至约200m 2 / g的高表面积，并且基本上不含碳。形成的负极可以具有至少1800mAh / g的放电比容量，相对于锂，从1.5V至0.005V的C / 3释放速率，在一些实施方案中负载水平为约1.4mg / cm 2至约3.5mg / cm 2 。在一些实施例中，多孔硅可以涂覆有碳涂层或与碳纳米纤维或其它导电碳材料混合。

3. 发明申请

WO2011031546A2 LAYER-LAYER LITHIUM RICH COMPLEX METAL OXIDES WITH HIGH SPECIFIC CAPACITY AND EXCELLENT CYCLING 审中-公开
标题翻译：层状富锂复合金属氧化物，具有高比表面积和优异的循环性
公开(公告)号：WO2011031546A2
公开(公告)日：2011-03-17
申请号：PCT/US2010/046951
申请日：2010-08-27
申请人： ENVIA SYSTEMS, INC. , LOPEZ, Herman , VENKATACHALAM, Subramanian , KARTHIKEYAN, Deepak, Kumaar Kandasamy , KUMAR, Sujeet
发明人： LOPEZ, Herman , VENKATACHALAM, Subramanian , KARTHIKEYAN, Deepak, Kumaar Kandasamy , KUMAR, Sujeet
IPC分类号： H01M4/505 , H01M4/525 , H01M10/0525 , H01M4/48 , H01M2/02
CPC分类号： H01M4/366 , C01D15/08 , C01G45/1257 , C01G51/50 , C01G53/50 , C01P2002/52 , C01P2004/80 , C01P2006/10 , C01P2006/40 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/056
摘要： Lithium rich and manganese rich lithium metal oxides are described that provide for excellent performance in lithium-based batteries. The specific compositions can be engineered within a specified range of compositions to provide desired performance characteristics. Selected compositions can provide high values of specific capacity with a reasonably high average voltage. Compositions of particular interest can be represented by the formula, x Li 2 MnO 3 • (1-x) Li Ni u+Δ Mn u-Δ Co w A y O 2 . The compositions undergo significant first cycle irreversible changes, but the compositions cycle stably after the first cycle.
摘要翻译：描述了富含锂和富锰的锂金属氧化物，其在锂基电池中提供优异的性能。可以将特定组合物设计在指定的组合物范围内以提供期望的性能特征。选定的组合物可以提供较高的比容量和相当高的平均电压。特别感兴趣的组合物可以由下式表示：x Li 2 MnO 3·（1-x）Li Ni u +ΔMn + 子>的u-Δ钴<子>瓦特 A <子>ý 0 <子> 2 。组合物经历显着的第一次循环不可逆变化，但组合物在第一次循环后稳定循环。

4. 发明申请

WO2012061191A2 LITHIUM ION BATTERIES WITH SUPPLEMENTAL LITHIUM 审中-公开
标题翻译：锂离子电池与补充锂
公开(公告)号：WO2012061191A2
公开(公告)日：2012-05-10
申请号：PCT/US2011/058012
申请日：2011-10-27
申请人： ENVIA SYSTEMS, INC. , AMIRUDDIN, Shabab , VENKATACHALAM, Subramanian , LI, Bing , LOPEZ, Herman, A. , KUMAR, Sujeet
发明人： AMIRUDDIN, Shabab , VENKATACHALAM, Subramanian , LI, Bing , LOPEZ, Herman, A. , KUMAR, Sujeet
IPC分类号： H01M10/0525 , H01M4/505 , H01M4/525 , H01M4/583 , H01M4/62
CPC分类号： H01M4/1393 , C01G45/1228 , C01G45/1257 , C01G51/50 , C01G53/50 , C01P2004/82 , H01M4/0447 , H01M4/1395 , H01M4/386 , H01M4/505 , H01M4/587 , H01M6/5005 , H01M10/052 , H01M10/058 , H01M10/446 , Y02E60/122 , Y02T10/7011 , Y10T29/49108 , Y10T29/49115
摘要： Supplemental lithium can be used to stabilize lithium ion batteries with lithium rich metal oxides as the positive electrode active material. Dramatic improvements in the specific capacity at long cycling have been obtained. The supplemental lithium can be provided with the negative electrode, or alternatively as a sacrificial material that is subsequently driven into the negative electrode active material. The supplemental lithium can be provided to the negative electrode active material prior to assembly of the battery using electrochemical deposition. The positive electrode active materials can comprise a layered-layered structure comprising manganese as well as nickel and/or cobalt.
摘要翻译：可以使用补充锂以使富锂金属氧化物作为正极活性材料来稳定锂离子电池。已经获得了长时间骑行的特定能力方面的显着改进。补充锂可以与负极一起提供，或者替代地作为随后被驱入负极活性材料中的牺牲材料。可以在使用电化学沉积组装电池之前将补充锂提供给负极活性材料。正极活性材料可以包含含有锰以及镍和/或钴的层状层状结构。

5. 发明申请

WO2011059693A2 COATED POSITIVE ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES 审中-公开
标题翻译：锂离子电池涂层阳极电极材料
公开(公告)号：WO2011059693A2
公开(公告)日：2011-05-19
申请号：PCT/US2010/054119
申请日：2010-10-26
申请人： ENVIA SYSTEMS, INC. , LOPEZ, Herman , VENKATACHALAM, Subramanian , KARTHIKEYAN, Deepak, Kumaar, Kandasamy , AMIRUDDIN, Shabab , KUMAR, Sujeet
发明人： LOPEZ, Herman , VENKATACHALAM, Subramanian , KARTHIKEYAN, Deepak, Kumaar, Kandasamy , AMIRUDDIN, Shabab , KUMAR, Sujeet
CPC分类号： H01M4/485 , C01G53/50 , C01P2002/50 , C01P2002/72 , C01P2002/88 , C01P2004/03 , C01P2004/04 , C01P2004/84 , C01P2006/11 , C01P2006/40 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0525 , Y02T10/7011
摘要： High specific capacity lithium rich lithium metal oxide materials are coated with inorganic compositions, such as metal fluorides, to improve the performance of the materials as a positive electrode active material. The resulting coated material can exhibit an increased specific capacity, and the material can also exhibit improved cycling. The materials can be formed while maintaining a desired relatively high average voltage such that the materials are suitable for the formation of commercial batteries. Suitable processes are described for the synthesis of the desired coated compositions that can be adapted for commercial production.
摘要翻译：高比容量富含锂的锂金属氧化物材料被涂覆有无机组合物，例如金属氟化物，以改善作为正极活性材料的材料的性能。得到的涂覆材料可以表现出增加的比容量，并且该材料也可以表现出改进的循环。可以形成材料，同时保持期望的相对较高的平均电压，使得材料适合于形成商用电池。描述了合适的方法用于合成所需的涂覆组合物，其可以适用于商业生产。

6. 发明申请

WO2011056847A2 HIGH CAPACITY ANODE MATERIALS FOR LITHIUM ION BATTERIES 审中-公开
标题翻译：用于锂离子电池的高容量阳极材料
公开(公告)号：WO2011056847A2
公开(公告)日：2011-05-12
申请号：PCT/US2010/055265
申请日：2010-11-03
申请人： ENVIA SYSTEMS, INC. , LOPEZ, Herman , ANGUCHAMY, Yogesh, Kumar , DENG, Haixia , HAN, Yongbong , MASARAPU, Charan , VENKATACHALAM, Subramanian , KUMAR, Sujeet
发明人： LOPEZ, Herman , ANGUCHAMY, Yogesh, Kumar , DENG, Haixia , HAN, Yongbong , MASARAPU, Charan , VENKATACHALAM, Subramanian , KUMAR, Sujeet
IPC分类号： H01M10/0525 , H01M4/38 , B82B3/00 , H01M4/62 , H01M4/583
CPC分类号： H01M4/134 , C25F3/12 , H01M4/131 , H01M4/133 , H01M4/364 , H01M4/38 , H01M4/386 , H01M4/505 , H01M4/525 , H01M4/587 , H01M4/621 , H01M4/622 , H01M10/0525 , H01M2004/027 , H01M2004/028 , H01M2220/30 , Y02E60/122
摘要： High capacity silicon based anode active materials are described for lithium ion batteries. These materials are shown to be effective in combination with high capacity lithium rich cathode active materials. Supplemental lithium is shown to improve the cycling performance and reduce irreversible capacity loss for at least certain silicon based active materials. In particular silicon based active materials can be formed in composites with electrically conductive coatings, such as pyrolytic carbon coatings or metal coatings, and composites can also be formed with other electrically conductive carbon components, such as carbon nanofibers and carbon nanoparticles. Additional alloys with silicon are explored.
摘要翻译：针对锂离子电池描述了高容量硅基阳极活性材料。显示这些材料与高容量富锂阴极活性材料结合是有效的。显示补充锂可改善至少某些硅基活性材料的循环性能并减少不可逆容量损失。具体而言，硅基活性材料可以在具有导电涂层的复合材料中形成，例如热解碳涂层或金属涂层，并且复合材料也可以用其他导电碳组分例如碳纳米纤维和碳纳米粒子形成。其他合金与硅进行了探索。

7. 发明申请

WO2011011582A3 LITHIUM ION BATTERIES WITH LONG CYCLING PERFORMANCE 审中-公开
公开(公告)号：WO2011011582A3
公开(公告)日：2011-01-27
申请号：PCT/US2010/042868
申请日：2010-07-22
申请人： ENVIA SYSTEMS, INC. , KUMAR, Sujeet , BUCKLEY, James, P. , SHI, Hang
发明人： KUMAR, Sujeet , BUCKLEY, James, P. , SHI, Hang
IPC分类号： H01M10/0525 , H01M4/583 , H01M4/505 , H01M4/525 , H01M10/0567
摘要： Batteries with high energy and high capacity are described that have a long cycle life upon cycling at a moderate discharge rate. Specifically, the batteries may have a room temperature fifth cycle discharge specific energy of at least about 175 Wh/kg discharged at a C/3 discharge rate from 4.2V to 2.5V. Additionally, the batteries can maintain at least about 70% discharge capacity at 1000 cycles relative to the fifth cycle, with the battery being discharged from 4.2V to 2.5V at a C/2 rate from the fifth cycle through the 1000th cycle. In some embodiment, the positive electrode of the battery comprises a lithium intercalation composition with optional metal fluoride coating. Stabilizing additive maybe added to the electrolyte of the battery to further improve the battery performance. The batteries are particularly suitable for use in electric vehicles.

8. 发明申请

WO2010039732A2 FLUORINE DOPED LITHIUM RICH METAL OXIDE POSITIVE ELECTRODE BATTERY MATERIALS WITH HIGH SPECIFIC CAPACITY AND CORRESPONDING BATTERIES 审中-公开
标题翻译：氟化锂金属氧化物阳极电极电池具有高特定容量和相应电池的电池材料
公开(公告)号：WO2010039732A2
公开(公告)日：2010-04-08
申请号：PCT/US2009/058840
申请日：2009-09-29
申请人： ENVIA SYSTEMS, INC. , KUMAR, Sujeet , LOPEZ, Herman , VENKATACHALAM, Subramanian , KARTHIKEYAN, Deepak
发明人： KUMAR, Sujeet , LOPEZ, Herman , VENKATACHALAM, Subramanian , KARTHIKEYAN, Deepak
IPC分类号： H01M4/58 , H01M4/04
CPC分类号： H01M4/505 , C01G53/50 , C01P2002/50 , C01P2002/72 , C01P2006/40 , H01M4/1315 , H01M4/366 , H01M4/525 , H01M10/052 , H01M10/0525 , Y02E60/122 , Y02P70/54
摘要： Lithium rich metal oxyfluorides are described with high specific capacity and, good cycling properties. The materials have particularly good high rate capabilities. The fluorine dopant can be introduced in a low temperature process to yield the materials with desirable cycling properties. In some embodiments, the positive electrode active materials have a composition represented approximately by the formula Li 1+x Ni α Mn β Co γ A δ O 2-z F z where: x is from about 0.02 to about 0.19, α is from about 0.1 to about 0.4, β is from about 0.35 to about 0.869, γ is from about 0.01 to about 0.2, δ is from 0.0 to about 0.1 and z is from about 0.01 to about 0.2, where A is Mg, Zn, A1, Ga, B, Zr, Ti, Ca, Ce, Y, Nb or combinations thereof.
摘要翻译：描述富锂金属氟氧化物具有高比容量和良好的循环性能。这些材料具有特别好的高速率能力。可以在低温工艺中引入氟掺杂剂以产生具有期望循环特性的材料。在一些实施方案中，正极活性物质具有大致由式Li1 + xNiaMn·Co·AdO2-zFz表示的组成，其中：x为约0.02至约0.19，a为约0.1至约0.4，β为约0.35至约0.869，？约0.01至约0.2，d为0.0至约0.1，z为约0.01至约0.2，其中A为Mg，Zn，Al，Ga，B，Zr，Ti，Ca，Ce，Y，Nb或其组合。

9. 发明申请

WO2015024004A1 LITHIUM ION BATTERIES WITH HIGH CAPACITY ANODE ACTIVE MATERIAL AND GOOD CYCLING FOR CONSUMER ELECTRONICS 审中-公开
标题翻译：具有高容量阳极活性材料的锂离子电池和消费电子的良好循环
公开(公告)号：WO2015024004A1
公开(公告)日：2015-02-19
申请号：PCT/US2014/051377
申请日：2014-08-15
申请人： ENVIA SYSTEMS, INC.
发明人： AMIRUDDIN, Shabab , LI, Bing , DALAVI, Swapnil, J. , KUMAR, Sujeet
IPC分类号： H01M10/052 , H01M4/13 , H01M4/36 , H01M2/14 , H01M10/42
CPC分类号： H01M10/0525 , H01M4/131 , H01M4/133 , H01M4/364 , H01M4/485 , H01M4/525 , H01M4/587 , H01M4/622 , H01M6/5005 , H01M10/0567 , H01M10/058 , H01M2004/021 , H01M2004/027 , H01M2004/028 , H01M2220/20 , H01M2300/0025 , Y02E60/122
摘要： Battery designs are provided that exhibit commercially suitable cycling properties for consumer electronics with silicon based active materials in the electrodes. The batteries can have stacked or wound electrodes and suitable electrode designs.
摘要翻译：提供电池设计，其在电极中具有基于硅的活性材料的消费电子产品具有商业上合适的循环性能。电池可以具有堆叠或缠绕的电极和合适的电极设计。

10. 发明申请

WO2014099878A1 HIGH CAPACITY CATHODE MATERIAL WITH STABILIZING NANOCOATINGS 审中-公开
标题翻译：具有稳定性的高容量阴极材料
公开(公告)号：WO2014099878A1
公开(公告)日：2014-06-26
申请号：PCT/US2013/075610
申请日：2013-12-17
申请人： ENVIA SYSTEMS, INC.
发明人： BOWLING, Charles A. , VENKATACHALAM, Subramanian , LOPEZ, Herman A. , KUMAR, Sujeet
IPC分类号： H01M4/485 , H01M4/42 , H01M4/58
CPC分类号： H01M4/131 , H01M4/1391 , H01M2004/028
摘要： A positive electrode active material comprising a lithium rich metal oxide active composition coated with aluminum zinc oxide coating composition is disclosed. The aluminum zinc oxide can be represented by the formula Α1 χ Ζn 1-3x/2 , where x is from about 0.01 to about 0.6. In some embodiments, the material can have an average voltage that is very stable with cycling, and a specific capacity of at least about 175 mAh/g and an average voltage of at least about 3.55V discharged at a rate of C/3 from 4.6V to 2V against lithium. The material can further comprise an overcoat of metal halide over the aluminum zinc oxide coating. In some embodiments, the material can have from about 1 mole percent to about 15 mole percent aluminum zinc oxide coating and from about 0.5 mole percent to about 3 mole percent aluminum halide overcoat.
摘要翻译：公开了一种包含涂覆有氧化铝锌涂层组合物的富锂金属氧化物活性组合物的正极活性材料。氧化锌铝可由式＆Agr; 1X＆Zgr; n1-3x / 2表示，其中x为约0.01至约0.6。在一些实施方案中，该材料可以具有在循环时非常稳定的平均电压，并且以4.6的C / 3速率从至少约175mAh / g的平均电压和至少约3.55V的平均电压放电 V至2V对锂。该材料可以进一步包括在氧化铝锌涂层上的金属卤化物外涂层。在一些实施方案中，该材料可具有约1摩尔％至约15摩尔％的氧化铝锌涂层和约0.5摩尔％至约3摩尔％卤化铝外涂层。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式