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1. 发明授权

US08450013B2 Material for lithium secondary battery of high performance 有权
标题翻译：锂二次电池材料性能高
公开(公告)号：US08450013B2
公开(公告)日：2013-05-28
申请号：US12893176
申请日：2010-09-29
申请人： Hong-Kyu Park , Sun sik Shin , Sin young Park , Ho suk Shin , Jens M. Paulsen
发明人： Hong-Kyu Park , Sun sik Shin , Sin young Park , Ho suk Shin , Jens M. Paulsen
IPC分类号： C01D1/00
CPC分类号： H01M4/485 , C01G45/1228 , C01G51/50 , C01G53/006 , C01G53/50 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/88 , C01P2004/03 , C01P2004/84 , C01P2006/10 , C01P2006/37 , C01P2006/40 , C01P2006/80 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y10T436/15
摘要： Provided is a cathode active material containing a Ni-based lithium mixed transition metal oxide. More specifically, the cathode active material comprises the lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification, which is prepared by a solid-state reaction of Li2CO3 with a mixed transition metal precursor under an oxygen-deficient atmosphere, and has a Li2CO3 content of less than 0.07% by weight of the cathode active material as determined by pH titration. The cathode active material in accordance with the present invention and substantially free of water-soluble bases such as lithium carbonates and lithium sulfates and therefore has excellent high-temperature and storage stabilities and a stable crystal structure. A secondary battery comprising such a cathode active material exhibits a high capacity and excellent characteristics, and can be produced by an environmentally friendly method with low production costs and high production efficiency.
摘要翻译：提供含有Ni基锂混合过渡金属氧化物的正极活性物质。更具体地说，阴极活性材料包括具有由Li x Mn 2 O的式I表示的组成的锂混合过渡金属氧化物，其中M，x和y如说明书中所定义，其通过Li 2 CO 3与混合的固态反应过氧化物金属前体，并且通过pH滴定测定，Li2CO3含量小于正极活性物质的0.07重量％。根据本发明的阴极活性材料，基本上不含碳酸锂和硫酸锂等水溶性碱，因此具有优异的高温保存稳定性和稳定的晶体结构。包含这种正极活性物质的二次电池显示出高容量和优异的特性，并且可以通过环保的方法生产，生产成本低，生产效率高。

2. 发明授权

US07883644B2 Stoichiometric lithium cobalt oxide and method for preparation of the same 有权
标题翻译：化学计量的钴酸锂及其制备方法
公开(公告)号：US07883644B2
公开(公告)日：2011-02-08
申请号：US11688636
申请日：2007-03-20
申请人： Jens M. Paulsen , Sun Sik Shin , Hong-Kyu Park
发明人： Jens M. Paulsen , Sun Sik Shin , Hong-Kyu Park
IPC分类号： H01B1/02
CPC分类号： H01M4/525 , C01G51/42 , C01G51/50 , C01G53/50 , C01P2002/77 , C01P2004/03 , C01P2006/40 , H01M4/04 , H01M4/131 , H01M4/366 , H01M4/483 , H01M4/505 , H01M4/523 , H01M10/0525 , Y02E60/122 , Y02P70/54
摘要： A LiCoO2-containing powder. and a method for preparing a LiCoO2-containing powder, includes LiCoO2 having a stoichiometric composition via heat treatment of a lithium cobalt oxide and a lithium buffer material to make an equilibrium of a lithium chemical potential therebetween; the lithium buffer material which acts as a Li acceptor or a Li donor to remove or supplement a Li-excess or a Li-deficiency, the lithium buffer material coexisting with the stoichiometric lithium metal oxide. Also an electrode includes the LiCoO2-containing powder as an active material, and a rechargeable battery includes the electrode.
摘要翻译：含有LiCoO2的粉末。和含有LiCoO 2的粉末的制备方法，包括通过锂钴氧化物和锂缓冲材料的热处理而具有化学计量组成的LiCoO 2，以使其间具有锂化学势的平衡。用作Li受体或Li给体以除去或补充Li-过量或Li-缺乏的锂缓冲材料，锂缓冲材料与化学计量的锂金属氧化物共存。此外，电极包括含有LiCoO 2的粉末作为活性材料，并且可再充电电池包括电极。

3. 发明申请

US20070218363A1 Stoichiometric Lithium Cobalt Oxide and Method for Preparation of the Same 有权
标题翻译：化学计量氧化钴钴及其制备方法
公开(公告)号：US20070218363A1
公开(公告)日：2007-09-20
申请号：US11688636
申请日：2007-03-20
申请人： Jens M. Paulsen , Sun Sik Shin , Hong-Kyu Park
发明人： Jens M. Paulsen , Sun Sik Shin , Hong-Kyu Park
IPC分类号： H01M4/52 , C01G51/04
CPC分类号： H01M4/525 , C01G51/42 , C01G51/50 , C01G53/50 , C01P2002/77 , C01P2004/03 , C01P2006/40 , H01M4/04 , H01M4/131 , H01M4/366 , H01M4/483 , H01M4/505 , H01M4/523 , H01M10/0525 , Y02E60/122 , Y02P70/54
摘要： The present invention provides a LiCoO2-containing powder comprising LiCoO2 having a stoichiometric composition via heat treatment of a lithium cobalt oxide and a lithium buffer material to make equilibrium of a lithium chemical potential therebetween: a lithium buffer material which acts as a Li acceptor or a Li donor to remove or supplement Li-excess or Li-deficiency, coexisting with a stoichiometric lithium metal oxide; and a method for preparing a LiCoO2-containing powder. Further, provided is an electrode comprising the above-mentioned LiCoO2-containing powder as an active material, and a rechargeable battery comprising the same electrode.The present invention enables production of a LiCoO2 electrode active material which has improved high-temperature storage properties and high-voltage cycling properties, and is robust in composition fluctuation in the production process. Therefore, the present invention provides advantages such as reduction of time and labor required for quality control and process management in the mass-production of the electrode active material, and decreased production costs of LiCoO2.
摘要翻译：本发明通过热处理锂钴氧化物和锂缓冲材料提供包含具有化学计量组成的LiCoO 2 N 2的含LiCoO 2 N的粉末，以使锂的平衡它们之间的化学势：用作Li受体或Li给体以除去或补充Li-过量或Li-缺乏的锂缓冲材料，与化学计量的锂金属氧化物共存; 以及制备含有LiCoO 2 N的粉末的方法。此外，提供了包含上述含有LiCoO 2 N 2的粉末作为活性材料的电极和包含相同电极的可再充电电池。本发明能够生产具有改进的高温储存性能和高电压循环性能的LiCoO 2 N 2电极活性材料，并且在生产过程中的组成波动中是稳定的。因此，本发明提供了在电极活性物质的批量生产中减少质量控制和工艺管理所需的时间和劳动以及降低LiCoO 2 2的生产成本的优点。

4. 发明授权

US08540961B2 Method of preparing material for lithium secondary battery of high performance 有权
标题翻译：高性能锂二次电池材料的制备方法
公开(公告)号：US08540961B2
公开(公告)日：2013-09-24
申请号：US12914142
申请日：2010-10-28
申请人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
发明人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
IPC分类号： C01G15/00
CPC分类号： C01G53/50 , C01D15/02 , C01G45/1228 , C01G51/50 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/88 , C01P2004/03 , C01P2004/84 , C01P2006/11 , C01P2006/37 , C01P2006/40 , C01P2006/80 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： Provided is a method for preparing a lithium mixed transition metal oxide, comprising subjecting Li2CO3 and a mixed transition metal precursor to a solid-state reaction under an oxygen-deficient atmosphere with an oxygen concentration of 10 to 50% to thereby prepare a powdered lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification. Therefore, since the high-Ni lithium mixed transition metal oxide having a given composition can be prepared by a simple solid-state reaction in air, using a raw material that is cheap and easy to handle, the present invention enables industrial-scale production of the lithium mixed transition metal oxide with significantly decreased production costs and high production efficiency. Further, the thus-produced lithium mixed transition metal oxide is substantially free of impurities, and therefore can exert a high capacity and excellent cycle stability, in conjunction with significantly improved storage stability and high-temperature stability.
摘要翻译：提供一种制备锂混合过渡金属氧化物的方法，包括在氧气浓度为10至50％的氧缺乏气氛下使Li 2 CO 3和混合过渡金属前体进行固态反应，从而制备混合的粉末状锂具有由式I表示的组合物的过渡金属氧化物，其中M，x和y如说明书中所定义。因此，由于具有给定组成的高Ni锂混合过渡金属氧化物可以通过在空气中简单的固态反应来制备，使用廉价且易于处理的原料，本发明使得能够工业规模生产锂混合过渡金属氧化物的生产成本显着降低，生产效率高。此外，这样制造的锂混合过渡金属氧化物基本上不含杂质，因此可以发挥高容量和优异的循环稳定性，同时显着提高储存稳定性和高温稳定性。

5. 发明申请

US20110114874A1 METHOD OF PREPARING MATERIAL FOR LITHIUM SECONDARY BATTERY OF HIGH PERFORMANCE 有权
标题翻译：锂二次电池高性能材料的制备方法
公开(公告)号：US20110114874A1
公开(公告)日：2011-05-19
申请号：US12914142
申请日：2010-10-28
申请人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
发明人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
IPC分类号： H01M4/525
CPC分类号： C01G53/50 , C01D15/02 , C01G45/1228 , C01G51/50 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/88 , C01P2004/03 , C01P2004/84 , C01P2006/11 , C01P2006/37 , C01P2006/40 , C01P2006/80 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： Provided is a method for preparing a lithium mixed transition metal oxide, comprising subjecting Li2CO3 and a mixed transition metal precursor to a solid-state reaction under an oxygen-deficient atmosphere with an oxygen concentration of 10 to 50% to thereby prepare a powdered lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification. Therefore, since the high-Ni lithium mixed transition metal oxide having a given composition can be prepared by a simple solid-state reaction in air, using a raw material that is cheap and easy to handle, the present invention enables industrial-scale production of the lithium mixed transition metal oxide with significantly decreased production costs and high production efficiency. Further, the thus-produced lithium mixed transition metal oxide is substantially free of impurities, and therefore can exert a high capacity and excellent cycle stability, in conjunction with significantly improved storage stability and high-temperature stability.
摘要翻译：提供一种制备锂混合过渡金属氧化物的方法，包括在氧气浓度为10至50％的氧缺乏气氛下使Li 2 CO 3和混合过渡金属前体进行固态反应，从而制备混合的粉末状锂具有由式I表示的组合物的过渡金属氧化物，其中M，x和y如说明书中所定义。因此，由于具有给定组成的高Ni锂混合过渡金属氧化物可以通过在空气中简单的固态反应来制备，使用廉价且易于处理的原料，本发明使得能够工业规模生产锂混合过渡金属氧化物的生产成本显着降低，生产效率高。此外，这样制造的锂混合过渡金属氧化物基本上不含杂质，因此可以发挥高容量和优异的循环稳定性，同时显着提高储存稳定性和高温稳定性。

6. 发明授权

US08932480B2 Stoichiometric lithium cobalt oxide and method for preparation of the same 有权
标题翻译：化学计量的钴酸锂及其制备方法
公开(公告)号：US08932480B2
公开(公告)日：2015-01-13
申请号：US12968706
申请日：2010-12-15
申请人： Jens M. Paulsen , Sun Sik Shin , Hong-Kyu Park
发明人： Jens M. Paulsen , Sun Sik Shin , Hong-Kyu Park
IPC分类号： H01M4/88 , C01G51/00 , C01G53/00 , H01M4/131 , H01M10/0525 , H01M4/505 , H01M4/04 , H01M4/525 , H01M4/36
CPC分类号： H01M4/525 , C01G51/42 , C01G51/50 , C01G53/50 , C01P2002/77 , C01P2004/03 , C01P2006/40 , H01M4/04 , H01M4/131 , H01M4/366 , H01M4/483 , H01M4/505 , H01M4/523 , H01M10/0525 , Y02E60/122 , Y02P70/54
摘要： The present invention provides a LiCoO2-containing powder comprising LiCoO2 having a stoichiometric composition via heat treatment of a lithium cobalt oxide and a lithium buffer material to make equilibrium of a lithium chemical potential there between; a lithium buffer material which acts as a Li acceptor or a Li donor to remove or supplement Li-excess or Li-deficiency, coexisting with a stoichiometric lithium metal oxide; and a method for preparing a LiCoO2-containing powder. Further, provided is an electrode comprising the above-mentioned LiCoO2-containing powder as an active material, and a rechargeable battery comprising the same electrode.
摘要翻译：本发明提供一种含有LiCoO 2的粉末，其包含通过热处理钴酸锂和锂缓冲材料而具有化学计量组成的LiCoO 2，以在其间形成锂化学势的平衡; 用作Li受体或Li供体以除去或补充Li-过量或Li-缺乏的锂缓冲材料，与化学计量的锂金属氧化物共存; 以及制备含有LiCoO 2的粉末的方法。此外，提供了包含上述含有LiCoO 2的粉末作为活性材料的电极和包含相同电极的可再充电电池。

7. 发明授权

US08426066B2 Material for lithium secondary battery of high performance 有权
标题翻译：锂二次电池材料性能高
公开(公告)号：US08426066B2
公开(公告)日：2013-04-23
申请号：US12896025
申请日：2010-10-01
申请人： Hong-Kyu Park , Sun sik Shin , Sin young Park , Ho suk Shin , Jens M. Paulsen
发明人： Hong-Kyu Park , Sun sik Shin , Sin young Park , Ho suk Shin , Jens M. Paulsen
IPC分类号： C01D3/00
CPC分类号： H01M4/131 , C01G45/1228 , C01G51/50 , C01G53/50 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/88 , C01P2004/03 , C01P2004/84 , C01P2006/10 , C01P2006/37 , C01P2006/40 , C01P2006/80 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/028 , Y02E60/122 , Y02P70/54
摘要： Provided is a lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 (M, x and y are as defined in the specification)having mixed transition metal oxide layers (“MO layers”) comprising Ni ions and lithium ions, wherein lithium ions intercalate into and deintercalate from the MO layers and a portion of MO layer-derived Ni ions are inserted into intercalation/deintercalation layers of lithium ions (“reversible lithium layers”) thereby resulting in the interconnection between the MO layers. The lithium mixed transition metal oxide of the present invention has a stable layered structure and therefore exhibits improved stability of the crystal structure upon charge/discharge. In addition, a battery comprising such a cathode active material can exhibit a high capacity and a high cycle stability. Further, such a lithium mixed transition metal oxide is substantially free of water-soluble bases, and thereby can provide excellent storage stability, decreased gas evolution and consequently superior high-temperature stability with the feasibility of low-cost mass production.
摘要翻译：本发明提供具有由Ni x离子和锂离子组成的混合过渡金属氧化物层（“MO层”）的LixMyO2（M，x和y如说明书中所定义）的式I所示组成的锂混合过渡金属氧化物，其中锂离子从MO层插入和脱嵌，并且将一部分MO层衍生的Ni离子插入到锂离子（“可逆锂层”）的嵌入/脱嵌层中，从而导致MO层之间的互连。本发明的锂混合过渡金属氧化物具有稳定的层状结构，因此在充放电时显示出晶体结构的稳定性提高。此外，包含这种阴极活性材料的电池可以表现出高容量和高循环稳定性。此外，这种锂混合过渡金属氧化物基本上不含水溶性碱，从而可以提供优异的储存稳定性，降低的气体逸出性以及因此优异的高温稳定性以及低成本批量生产的可行性。

8. 发明申请

US20110309290A1 STOICHIOMETRIC LITHIUM COBALT OXIDE AND METHOD FOR PREPARATION OF THE SAME 有权
标题翻译：硅铝酸锂氧化物及其制备方法
公开(公告)号：US20110309290A1
公开(公告)日：2011-12-22
申请号：US12968706
申请日：2010-12-15
申请人： Jens M. Paulsen , Sun Sik SHIN , Hong-Kyu PARK
发明人： Jens M. Paulsen , Sun Sik SHIN , Hong-Kyu PARK
IPC分类号： H01M4/525
CPC分类号： H01M4/525 , C01G51/42 , C01G51/50 , C01G53/50 , C01P2002/77 , C01P2004/03 , C01P2006/40 , H01M4/04 , H01M4/131 , H01M4/366 , H01M4/483 , H01M4/505 , H01M4/523 , H01M10/0525 , Y02E60/122 , Y02P70/54
摘要： The present invention provides a LiCoO2-containing powder comprising LiCoO2 having a stoichiometric composition via heat treatment of a lithium cobalt oxide and a lithium buffer material to make equilibrium of a lithium chemical potential therebetween; a lithium buffer material which acts as a Li acceptor or a Li donor to remove or supplement Li-excess or Li-deficiency, coexisting with a stoichiometric lithium metal oxide; and a method for preparing a LiCoO2-containing powder. Further, provided is an electrode comprising the above-mentioned LiCoO2-containing powder as an active material, and a rechargeable battery comprising the same electrode.The present invention enables production of a LiCoO2 electrode active material which has improved high-temperature storage properties and high-voltage cycling properties, and is robust in composition fluctuation in the production process. Therefore, the present invention provides advantages such as reduction of time and labor required for quality control and process management in the mass-production of the electrode active material, and decreased production costs of LiCoO2.
摘要翻译：本发明提供一种含有LiCoO 2的粉末，其包含通过锂钴氧化物和锂缓冲材料的热处理而具有化学计量组成的LiCoO 2，以在其间形成锂化学势的平衡; 用作Li受体或Li供体以除去或补充Li-过量或Li-缺乏的锂缓冲材料，与化学计量的锂金属氧化物共存; 以及制备含有LiCoO 2的粉末的方法。此外，提供了包含上述含有LiCoO 2的粉末作为活性材料的电极和包含相同电极的可再充电电池。本发明能够生产具有改善的高温储存性能和高电压循环性能的LiCoO 2电极活性材料，并且在生产过程中的组成波动中是稳定的。因此，本发明提供了在电极活性物质的批量生产中减少质量控制和工艺管理所需的时间和劳动力以及降低LiCoO 2的生产成本的优点。

9. 发明申请

US20110117662A1 MATERIAL FOR LITHIUM SECONDARY BATTERY OF HIGH PERFORMANCE 有权
标题翻译：锂二次电池性能优良的材料
公开(公告)号：US20110117662A1
公开(公告)日：2011-05-19
申请号：US12893176
申请日：2010-09-29
申请人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
发明人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
IPC分类号： H01M4/86 , G01N31/16
CPC分类号： H01M4/485 , C01G45/1228 , C01G51/50 , C01G53/006 , C01G53/50 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/88 , C01P2004/03 , C01P2004/84 , C01P2006/10 , C01P2006/37 , C01P2006/40 , C01P2006/80 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y10T436/15
摘要： Provided is a cathode active material containing a Ni-based lithium mixed transition metal oxide. More specifically, the cathode active material comprises the lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification, which is prepared by a solid-state reaction of Li2CO3 with a mixed transition metal precursor under an oxygen-deficient atmosphere, and has a Li2CO3 content of less than 0.07% by weight of the cathode active material as determined by pH titration. The cathode active material in accordance with the present invention and substantially free of water-soluble bases such as lithium carbonates and lithium sulfates and therefore has excellent high-temperature and storage stabilities and a stable crystal structure. A secondary battery comprising such a cathode active material exhibits a high capacity and excellent characteristics, and can be produced by an environmentally friendly method with low production costs and high production efficiency.
摘要翻译：提供含有Ni基锂混合过渡金属氧化物的正极活性物质。更具体地说，阴极活性材料包括具有由Li x Mn 2 O的式I表示的组成的锂混合过渡金属氧化物，其中M，x和y如说明书中所定义，其通过Li 2 CO 3与混合的固态反应过氧化物金属前体，并且通过pH滴定测定，Li2CO3含量小于正极活性物质的0.07重量％。根据本发明的阴极活性材料，基本上不含碳酸锂和硫酸锂等水溶性碱，因此具有优异的高温保存稳定性和稳定的晶体结构。包含这种正极活性物质的二次电池显示出高容量和优异的特性，并且可以通过环保的方法生产，生产成本低，生产效率高。

10. 发明申请

US20110114873A1 MATERIAL FOR LITHIUM SECONDARY BATTERY OF HIGH PERFORMANCE 有权
标题翻译：锂二次电池性能优良的材料
公开(公告)号：US20110114873A1
公开(公告)日：2011-05-19
申请号：US12896025
申请日：2010-10-01
申请人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
发明人： Hong-Kyu Park , Sun Sik Shin , Sin Young Park , Ho Suk Shin , Jens M. Paulsen
IPC分类号： H01M4/52
CPC分类号： H01M4/131 , C01G45/1228 , C01G51/50 , C01G53/50 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/88 , C01P2004/03 , C01P2004/84 , C01P2006/10 , C01P2006/37 , C01P2006/40 , C01P2006/80 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/028 , Y02E60/122 , Y02P70/54
摘要： Provided is a lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 (M, x and y are as defined in the specification)having mixed transition metal oxide layers (“MO layers”) comprising Ni ions and lithium ions, wherein lithium ions intercalate into and deintercalate from the MO layers and a portion of MO layer-derived Ni ions are inserted into intercalation/deintercalation layers of lithium ions (“reversible lithium layers”) thereby resulting in the interconnection between the MO layers. The lithium mixed transition metal oxide of the present invention has a stable layered structure and therefore exhibits improved stability of the crystal structure upon charge/discharge. In addition, a battery comprising such a cathode active material can exhibit a high capacity and a high cycle stability. Further, such a lithium mixed transition metal oxide is substantially free of water-soluble bases, and thereby can provide excellent storage stability, decreased gas evolution and consequently superior high-temperature stability with the feasibility of low-cost mass production.
摘要翻译：本发明提供具有由Ni x离子和锂离子组成的混合过渡金属氧化物层（“MO层”）的LixMyO2（M，x和y如说明书中所定义）的式I所示组成的锂混合过渡金属氧化物，其中锂离子从MO层插入和脱嵌，并且将一部分MO层衍生的Ni离子插入到锂离子（“可逆锂层”）的嵌入/脱嵌层中，从而导致MO层之间的互连。本发明的锂混合过渡金属氧化物具有稳定的层状结构，因此在充放电时显示出晶体结构的稳定性提高。此外，包含这种阴极活性材料的电池可以表现出高容量和高循环稳定性。此外，这种锂混合过渡金属氧化物基本上不含水溶性碱，从而可以提供优异的储存稳定性，降低的气体逸出性以及因此优异的高温稳定性以及低成本批量生产的可行性。

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