公开(公告)号：US08609284B2

公开(公告)日：2013-12-17

申请号：US12913722

申请日：2010-10-27

申请人： Keith D. Kepler ,  Yu Wang ,  Hongjian Liu ,  Floris Tsang

发明人： Keith D. Kepler ,  Yu Wang ,  Hongjian Liu ,  Floris Tsang

IPC分类号： H01M4/13

CPC分类号： H01M4/131 ,  C03C3/14 ,  C03C3/23 ,  C03C12/00 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/525 ,  H01M10/0525

摘要： Disclosed herein is a composite for the cathode of Li-ion battery comprising: a base active material represented by Li1+y(Nia—COb—Mnc—Yd)O2 wherein Y is at least one selected from Mg, Zn, Al, Ga, Cu, B, Zr, and Ti, y is 0 to 0.5, a is 0.1 to 0.6, b is 0.05 to 0.5, c is 0.25 to 0.8, d is 0 to 0.02, and the sum of a, b, c and d is 1; and a coating on the base active material comprised of a glassy phase containing the components Li2O, B2O3 and LiX in which LiX is at least one of Li2F2, Li2Cl2 and Li2SO4, relative to the total amount of the glassy phase, the mole percent of Li2O is 43% to 75%, the mole percent of B2O3 is 25% to 57%, the mole percent of LiX is from more than 0% to 20%, and the sum of the mole percents of Li2O, B2O3 and LiX is 100%.

摘要翻译： 本发明公开了一种锂离子电池用阴极的复合体，其特征在于，包括：由Li1 + y（Nia-COb-Mnc-Yd）O 2表示的基体活性物质，其中，Y为选自Mg，Zn，Al，Ga， Cu，B，Zr和Ti中，y为0〜0.5，a为0.1〜0.6，b为0.05〜0.5，c为0.25〜0.8，d为0〜0.02，a，b，c和d的和 是1; 以及基体活性材料上的涂层，该玻璃相含有Li 2 O，B 2 O 3和LiX中的至少一种Li 2 F 2，Li 2 Cl 2和Li 2 SO 4的组分Li 2 O，B 2 O 3和LiX的玻璃相，相对于玻璃相的总量，Li 2 O的摩尔百分数 为43％〜75％，B2O3的摩尔百分比为25％〜57％，LiX的摩尔百分比为0％〜20％，Li2O，B2O3和LiX的摩尔百分数为100％ 。

公开(公告)号：US20110123865A1

公开(公告)日：2011-05-26

申请号：US12913722

申请日：2010-10-27

申请人： Keith D. Kepler ,  Yu Wang ,  Hongjian Liu ,  Floris Tsang

发明人： Keith D. Kepler ,  Yu Wang ,  Hongjian Liu ,  Floris Tsang

IPC分类号： H01M4/505 ,  H01M4/04

CPC分类号： H01M4/131 ,  C03C3/14 ,  C03C3/23 ,  C03C12/00 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/525 ,  H01M10/0525

摘要： Disclosed herein is a composite for the cathode of Li-ion battery comprising: a base active material represented by Li1+y(Nia—COb—Mnc—Yd)O2 wherein Y is at least one selected from Mg, Zn, Al, Ga, Cu, B, Zr, and Ti, y is 0 to 0.5, a is 0.1 to 0.6, b is 0.05 to 0.5, c is 0.25 to 0.8, d is 0 to 0.02, and the sum of a, b, c and d is 1; and a coating on the base active material comprised of a glassy phase containing the components Li2O, B2O3 and LiX in which LiX is at least one of Li2F2, Li2Cl2 and Li2SO4, relative to the total amount of the glassy phase, the mole percent of Li2O is 43% to 75%, the mole percent of B2O3 is 25% to 57%, the mole percent of LiX is from more than 0% to 20%, and the sum of the mole percents of Li2O, B2O3 and LiX is 100%.

摘要翻译： 本发明公开了一种锂离子电池用阴极的复合体，其特征在于，包括：由Li1 + y（Nia-COb-Mnc-Yd）O 2表示的基体活性物质，其中，Y为选自Mg，Zn，Al，Ga， Cu，B，Zr和Ti中，y为0〜0.5，a为0.1〜0.6，b为0.05〜0.5，c为0.25〜0.8，d为0〜0.02，a，b，c和d的和 是1; 以及基体活性材料上的涂层，该玻璃相含有Li 2 O，B 2 O 3和LiX中的至少一种Li 2 F 2，Li 2 Cl 2和Li 2 SO 4的组分Li 2 O，B 2 O 3和LiX的玻璃相，相对于玻璃相的总量，Li 2 O的摩尔百分数 为43％〜75％，B2O3的摩尔百分比为25％〜57％，LiX的摩尔百分比为0％〜20％，Li2O，B2O3和LiX的摩尔百分数为100％ 。

公开(公告)号：US20090208844A1

公开(公告)日：2009-08-20

申请号：US12315809

申请日：2008-12-04

申请人： Keith D. Kepler ,  Yu Wang ,  Hongjian Liu

发明人： Keith D. Kepler ,  Yu Wang ,  Hongjian Liu

IPC分类号： H01M4/58 ,  H01M4/26

CPC分类号： H01M4/625 ,  H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M10/052

摘要： Embodiments of the invention relate to materials used in secondary batteries and the method for manufacturing the same. To address the problems of the prior art, an object of the present invention is to provide a negative electrode material for a non-aqueous Li-ion cell comprising active component particles capable of reversibly intercalating or alloying with lithium ions with a carbon coating layer containing an electronically conductive, elastic, carbon material capable of reversibly expanding and contracting to maintain electrical contact between the particles within an electrode matrix as the material is cycled electrochemically. Accordingly, several objects and advantages of embodiments of the invention include improved cycle life of high capacity active materials suitable for use in secondary batteries and the high capacity, long life cells.

摘要翻译： 本发明的实施方式涉及二次电池中使用的材料及其制造方法。 为了解决现有技术的问题，本发明的目的是提供一种用于非水Li离子电池的负极材料，其包括能够与锂离子可逆地嵌入或合金化的活性组分颗粒和含有 一种电子导电的，弹性的碳材料，其能够可逆地膨胀和收缩，以在材料循环电化学地维持电极基质内的颗粒之间的电接触。 因此，本发明实施方案的几个目的和优点包括适用于二次电池和高容量，长寿命的电池的高容量活性材料的循环寿命的改善。

公开(公告)号：US20090202914A1

公开(公告)日：2009-08-13

申请号：US12315807

申请日：2008-12-04

申请人： Keith D. Kepler ,  Hongjian Liu

发明人： Keith D. Kepler ,  Hongjian Liu

IPC分类号： H01M4/58 ,  H01B1/02

CPC分类号： H01B1/02 ,  H01M4/58 ,  H01M10/0525

摘要： Disclosed herein is a composite material for use as an anode for Li-ion batteries and its preparation method and use. The composite material comprises the components represented by the following formula: Ma1-Xa2—Sed1—Yd2—Cc in which, M represents one or more selected from Sn, Al, Pb, Sb, Si and Bi; X represents one or more selected from Cu, V, Co, Ti, Mo, Mg, W and Zn; Y represents Si and/or Ge; and a1, a2, d1, d2 and c represent the weight ratio of M, X, Se, Y and C to the total amount of M, X, Se, Y and C, respectively, wherein a1+a2 is equal to 0.4-0.7, d1+d2 is equal to 0.05-0.6, c is equal to 0.01-0.25, d2/d1 ranges from 0 to 1/1.4, and a2/a1 ranges from 0 to 1/1.5.

摘要翻译： 本文公开了一种用作锂离子电池阳极的复合材料及其制备方法和用途。 复合材料包含由下式表示的组分：<？in-line-formula description =“In-line Formulas”end =“lead”？> Ma1-Xa2-Sed1-Yd2-Cc <？in-line-formula 描述=“In-line Formulas”end =“tail”？>其中，M表示从Sn，Al，Pb，Sb，Si和Bi中选出的一种或多种; X表示选自Cu，V，Co，Ti，Mo，Mg，W和Zn中的一种或多种; Y表示Si和/或Ge; a1，a2，d1，d2和c分别表示M，X，Se，Y和C与M，X，Se，Y和C的总量的重量比，其中a1 + a2等于0.4- 0.7，d1 + d2等于0.05-0.6，c等于0.01-0.25，d2 / d1的范围为0至1 / 1.4，a2 / a1的范围为0至1 / 1.5。

公开(公告)号：US08551653B2

公开(公告)日：2013-10-08

申请号：US12315807

申请日：2008-12-04

申请人： Keith D. Kepler ,  Hongjian Liu

发明人： Keith D. Kepler ,  Hongjian Liu

IPC分类号： H01M4/13

CPC分类号： H01B1/02 ,  H01M4/58 ,  H01M10/0525

摘要： Disclosed herein is a composite material for use as an anode for Li-ion batteries and its preparation method and use. The composite material comprises the components represented by the following formula: Ma1-Xa2—Sed1—Zd2—Cc, in which, M represents one or more selected from Sn, Al, Pb, Sb, Si and Bi; X represents one or more selected from Cu, V, Co, Ti, Mo, Mg, W and Zn; Z represents Si and/or Ge; and a1, a2, d1, d2 and c represent the weight ratio of M, X, Se, Z and C to the total amount of M, X, Se, Z and C, respectively, wherein a1+a2 is equal to 0.4-0.7, d1+d2 is equal to 0.05-0.6, c is equal to 0.01-0.25, d2/d1 ranges from 0 to 1/1.4, and a2/a1 ranges from 0 to 1/1.5.

摘要翻译： 本文公开了一种用作锂离子电池阳极的复合材料及其制备方法和用途。 复合材料包含由下式表示的组分：Ma1-Xa2-Sed1-Zd2-Cc，其中M表示选自Sn，Al，Pb，Sb，Si和Bi中的一种或多种; X表示选自Cu，V，Co，Ti，Mo，Mg，W和Zn中的一种或多种; Z表示Si和/或Ge; a1，a2，d1，d2和c分别表示M，X，Se，Z和C与M，X，Se，Z和C的总量的重量比，其中a1 + a2等于0.4- 0.7，d1 + d2等于0.05-0.6，c等于0.01-0.25，d2 / d1的范围为0至1 / 1.4，a2 / a1的范围为0至1 / 1.5。

公开(公告)号：US08585935B2

公开(公告)日：2013-11-19

申请号：US12793581

申请日：2010-06-03

申请人： Keith D. Kepler ,  Yu Wang

发明人： Keith D. Kepler ,  Yu Wang

IPC分类号： H01B1/04 ,  H01M4/48 ,  H01M4/62 ,  H01M4/139

CPC分类号： H01M4/505 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M4/625 ,  H01M10/052

摘要： Disclosed herein is a composite for Li-ion cells, comprising an active material particle for Li-ion cells and an electronically conductive elastic material bound or attached to the active material particle. According to the present invention, the electronically conductive elastic material bound or attached to the active material particle allows the particle to maintain electronic contact with the electrode laminate matrix despite ongoing movement or expansion and contraction of the active material particles, such that the cycling efficiency and reversible capacity of the Li-ion cells prepared from the composite of the present invention is improved.

摘要翻译： 本文公开了一种用于锂离子电池的复合材料，其包含用于锂离子电池的活性材料颗粒和结合或连接到活性材料颗粒的电子导电弹性材料。 根据本发明，活性材料颗粒结合或附着的电子导电弹性材料允许粒子保持与电极层压体基体的电子接触，尽管活性材料颗粒继续运动或膨胀和收缩，使得循环效率和 提高了由本发明的复合材料制备的锂离子电池的可逆容量。

公开(公告)号：US06528208B1

公开(公告)日：2003-03-04

申请号：US09622617

申请日：2000-10-26

申请人： Michael M. Thackeray ,  Keith D. Kepler ,  John T. Vaughey

发明人： Michael M. Thackeray ,  Keith D. Kepler ,  John T. Vaughey

IPC分类号： H01M438

CPC分类号： H01M4/13 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/40 ,  H01M4/405 ,  H01M6/42 ,  H01M10/052 ,  H01M2004/027

摘要： A negative electrode (12) for a non-aqueous electrochemical cell (10) with an intermetallic host structure containing two or more elements selected from the metal elements and silicon, capable of accommodating lithium within its crystallographic host structure such that when the host structure is lithiated it transforms to a lithiated zinc-blende-type structure. Both active elements (alloying with lithium) and inactive elements (non-alloying with lithium) are disclosed. Electrochemical cells and batteries as well as methods of making the negative electrode are disclosed.

摘要翻译： 一种用于非水电化学电池（10）的负极（12），其具有包含选自金属元素和硅的两种或更多种元素的金属间主体结构，能够在其结晶主体结构内容纳锂，使得当主体结构为 锂化后转化为锂化闪锌矿型结构。 公开了两种活性元素（与锂合金）和无活性元素（与锂非合金化）。 公开了电化学电池和电池以及制造负极的方法。

公开(公告)号：US06322928B1

公开(公告)日：2001-11-27

申请号：US09404982

申请日：1999-09-23

申请人： Michael M. Thackeray ,  Arthur J. Kahaian ,  Keith D. Kepler ,  Donald R. Vissers

发明人： Michael M. Thackeray ,  Arthur J. Kahaian ,  Keith D. Kepler ,  Donald R. Vissers

IPC分类号： H01M448

CPC分类号： H01M4/131 ,  C01G31/00 ,  C01G31/006 ,  C01G39/006 ,  H01M4/48 ,  H01M4/485 ,  H01M4/5825

摘要： Improved lithium vanadium oxide formulations are presented having a nominal formula of LixV3−&dgr;M&dgr;Oy. Herein preferred cation doped vanadium oxide materials, electrodes using such materials, and electrochemical cells including at least one electrode therein comprising such materials are provided.

摘要翻译： 呈现改进的锂钒氧化物配方具有标称式为LixV3-ΔMdeltaOy。 本文提供了优选的阳离子掺杂氧化钒材料，使用这种材料的电极和包括其中的至少一个电极的电化学电池，其中包括这些材料。