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公开(公告)号：US20080241053A1
公开(公告)日：2008-10-02
申请号：US12081801
申请日：2008-04-22
CPC分类号： H01M4/505 , C01G45/1228 , C01G51/42 , C01G51/50 , C01G53/006 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2002/74 , C01P2004/03 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/0435 , H01M4/525 , H01M10/052
摘要： Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general formula, LipNixMn1-x-yCoyO2-qFq (where 0.98≦p≦1.07, 0.3≦x≦0.5, 0.1≦y≦0.38, and 0≦q≦0.05), which is a positive electrode active material for a lithium secondary cell having a wide usable voltage range, a charge-discharge cycle durability, a high capacity and high safety, is obtained by dry-blending coagulated particles of nickel-cobalt-manganese composite oxyhydroxide formed by making an oxidant to act on the coagulated particles with a lithium salt, and firing the mixture in an oxygen-containing atmosphere.
摘要翻译： 通过使镍 - 钴 - 锰盐的水溶液，碱金属氢氧化物的水溶液和铵离子给体合成，其中一次粒子凝结形成二次粒子的镍 - 钴 - 氢氧化锰的凝结颗粒合成 在特定条件下反应; 和由以下通式表示的锂镍钴钴锰复合氧化物：Li x Mn x Mn 1-xy Co Co， 其中0.98 <= p <= 1.07,0.3 <= x <= 0.5,0.1 <= y < = 0.38，0 <= q <= 0.05），其是具有宽的可用电压范围，充放电循环耐久性，高容量和高安全性的锂二次电池用正极活性物质 通过使锂化合物通过使氧化剂作用于凝固的颗粒而形成的镍 - 钴 - 锰复合羟基氧化物的混合的混合颗粒，并在含氧气氛中烧结该混合物。
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公开(公告)号：US07785742B2
公开(公告)日：2010-08-31
申请号：US12081801
申请日：2008-04-22
CPC分类号： H01M4/505 , C01G45/1228 , C01G51/42 , C01G51/50 , C01G53/006 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2002/74 , C01P2004/03 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/0435 , H01M4/525 , H01M10/052
摘要： Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general formula, LipNixMn1-x-yCoyO2-qFq (where 0.98≦p≦1.07, 0.3≦x≦0.5, 0.1≦y≦0.38, and 0≦q≦0.05), which is a positive electrode active material for a lithium secondary cell having a wide usable voltage range, a charge-discharge cycle durability, a high capacity and high safety, is obtained by dry-blending coagulated particles of nickel-cobalt-manganese composite oxyhydroxide formed by making an oxidant to act on the coagulated particles with a lithium salt, and firing the mixture in an oxygen-containing atmosphere.
摘要翻译： 通过使镍 - 钴 - 锰盐的水溶液，碱金属氢氧化物的水溶液和铵离子给体合成，其中一次粒子凝结形成二次粒子的镍 - 钴 - 氢氧化锰的凝结颗粒合成 在特定条件下反应; 和由通式LipNixMn1-x-yCoyO2-qFq（其中0.98和nlE; p＆nlE; 1.07,0.3和nlE; x和nlE; 0.5,0.1＆amp; nlE; y＆nlE; 0.38和...的锂 - 镍 - 钴 - 锰复合氧化物 0＆nlE; q＆nlE; 0.05），其是具有宽的可用电压范围，充放电循环耐久性，高容量和高安全性的锂二次电池的正极活性材料，其通过干式混合镍 - 钴 - 锰复合氢氧化物通过使氧化剂用锂盐作用于凝固的颗粒而形成，并在含氧气氛中烧结该混合物。
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3.发明授权公开(公告)号：US07384706B2
公开(公告)日：2008-06-10
申请号：US10530331
申请日：2004-03-22
CPC分类号： H01M4/505 , C01G45/1228 , C01G51/42 , C01G51/50 , C01G53/006 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2002/74 , C01P2004/03 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/0435 , H01M4/525 , H01M10/052
摘要： Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general formula, LipNixMn1-x-yCoyO2-qFq (where 0.98≦p≦1.07, 0.3≦x≦0.5, 0.1≦y≦0.38, and 0≦q≦0.05), which is a positive electrode active material for a lithium secondary cell having a wide usable voltage range, a charge-discharge cycle durability, a high capacity and high safety, is obtained by dry-blending coagulated particles of nickel-cobalt-manganese composite oxyhydroxide formed by making an oxidant to act on the coagulated particles with a lithium salt, and firing the mixture in an oxygen-containing atmosphere.
摘要翻译： 通过使镍 - 钴 - 锰盐的水溶液，碱金属氢氧化物的水溶液和铵离子给体合成，其中一次粒子凝结形成二次粒子的镍 - 钴 - 氢氧化锰的凝结颗粒合成 在特定条件下反应; 和由以下通式表示的锂镍钴钴锰复合氧化物：Li x Mn x Mn 1-xy Co Co， 其中0.98 <= p <= 1.07,0.3 <= x <= 0.5,0.1 <= y < = 0.38，0 <= q <= 0.05），其是具有宽的可用电压范围，充放电循环耐久性，高容量和高安全性的锂二次电池用正极活性物质 通过使锂化合物通过使氧化剂作用于凝固的颗粒而形成的镍 - 钴 - 锰复合羟基氧化物的混合的混合颗粒，并在含氧气氛中焙烧该混合物。
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公开(公告)号：US07381498B2
公开(公告)日：2008-06-03
申请号：US11150451
申请日：2005-06-13
CPC分类号： H01M4/505 , H01M4/131 , H01M4/485 , H01M4/525 , H01M10/052 , H01M2004/021
摘要： To provide a lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability. A positive electrode active material powder for a lithium secondary battery characterized by comprising a first granular powder having a compression breaking strength of at least 50 MPa and a second granular powder having a compression breaking strength of less than 40 MPa, formed by agglomeration of many fine particles of a lithium composite oxide represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is a transition metal element other than Ni, Co and Mn, Al or an alkaline earth metal element, 0.9≦p≦1.1, 0.2≦x≦0.8, 0≦y≦0.4, 0≦z≦0.5, y+z>0, 0≦q≦0.05, 1.9≦2−a≦2.1, x+y+z+q=1 and 0≦a≦0.02) to have an average particle size D50 of from 3 to 15 μm, in a weight ratio of the first granular powder/the second granular powder being from 50/50 to 90/10.
摘要翻译： 为了提供一种锂二次电池的正极用锂镍钴锰复合氧化物粉末，其具有大容量密度和高安全性，并且充放电循环耐久性优异。 一种锂二次电池用正极活性物质粉末，其特征在于，具有压缩断裂强度为50MPa以上的第一粒状粉末和压缩断裂强度小于40MPa的第二粒状粉末，其特征在于， 由下式表示的锂复合氧化物的颗粒：由下式表示的锂复合氧化物颗粒：Mn x Mn x Mn （其中M是不同于Ni，Co和Mn，Al或碱土金属元素的过渡金属元素，0.9 <= p <= 1.1,0.2 <= x <= 0.8,0 <= y <= 0.4,0 <= z <= 0.5，y + z> 0,0 <= q <= 0.05,1.9 <= 2- a = 1.1，x + y + z + q = 1，0 <= a <= 0.02），平均粒径D50为3〜15μm，第一粒状粉末/ 粉末为50/50至90/10。
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5.发明申请公开(公告)号：US20050220700A1
公开(公告)日：2005-10-06
申请号：US11133322
申请日：2005-05-20
IPC分类号： H01M4/02 , H01M4/131 , H01M4/1315 , H01M4/50 , H01M4/505 , H01M4/52 , H01M4/525 , H01M10/052 , H01M10/0565 , H01M10/36
CPC分类号： H01M4/525 , H01M4/02 , H01M4/131 , H01M4/1315 , H01M4/505 , H01M10/052 , H01M10/0565 , H01M2004/021 , H01M2004/028
摘要： A lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability, is presented. It is a lithium-nickel-cobalt-manganese composite oxide powder for a lithium secondary battery, represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is a transition metal element other than Ni, Co or Mn, or an alkaline earth metal element, 0.9≦p≦1.1, 0.2≦x≦0.5, 0.1≦y≦0.4, 0.2≦z≦0.5, 0≦q≦0.05, 1.9≦2-a≦2.1, x+y+z+q=1, and 0≦a≦0.02). The lithium-nickel-cobalt-manganese composite oxide is an agglomerated granular composite oxide powder having an average particle size D50 of from 3 to 15 μm, formed by agglomeration of many fine particles, and the compression breaking strength of the powder is at least 50 MPa.
摘要翻译： 本发明提供一种锂二次电池正极用锂镍钴锰复合氧化物粉末，其具有体积容量密度大，安全性高，充放电循环耐久性优异。 作为锂二次电池用锂镍钴锰复合氧化物粉末，用下式表示：式Li- （其中M是除了Ni之外的过渡金属元素，其中M是除Ni之外的过渡金属元素， Co或Mn或碱土金属元素，0.9 <= p <= 1.1,0.2 <= x <= 0.5,0.1 <= y <= 0.4,0.2 <= z <= 0.5,0 <= q <= 0.05 ，1.9 <= 2-a <= 2.1，x + y + z + q = 1，0 <= a <= 0.02）。 锂镍钴锰复合氧化物是通过许多细颗粒附聚而形成的平均粒径D50为3〜15μm的凝聚颗粒状复合氧化物粉末，粉末的压缩断裂强度为至少50 MPa。
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6.发明申请公开(公告)号：US20060083989A1
公开(公告)日：2006-04-20
申请号：US10530331
申请日：2004-03-22
CPC分类号： H01M4/505 , C01G45/1228 , C01G51/42 , C01G51/50 , C01G53/006 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2002/74 , C01P2004/03 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/0435 , H01M4/525 , H01M10/052
摘要： Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general formula, LipNixMn1-x-yCoyO2-qFq (where 0.98≦p≦1.07, 0.3≦x≦0.5, 0.1≦y≦0.38, and 0≦q≦0.05), which is a positive electrode active material for a lithium secondary cell having a wide usable voltage range, a charge-discharge cycle durability, a high capacity and high safety, is obtained by dry-blending coagulated particles of nickel-cobalt-manganese composite oxyhydroxide formed by making an oxidant to act on the coagulated particles with a lithium salt, and firing the mixture in an oxygen-containing atmosphere.
摘要翻译： 通过使镍 - 钴 - 锰盐的水溶液，碱金属氢氧化物的水溶液和铵离子给体合成，其中一次粒子凝结形成二次粒子的镍 - 钴 - 氢氧化锰的凝结颗粒合成 在特定条件下反应; 和由以下通式表示的锂镍钴钴锰复合氧化物：Li x Mn x Mn 1-xy Co Co， 其中0.98 <= p <= 1.07,0.3 <= x <= 0.5,0.1 <= y < = 0.38，0 <= q <= 0.05），其是具有宽的可用电压范围，充放电循环耐久性，高容量和高安全性的锂二次电池用正极活性物质 通过使锂化合物通过使氧化剂作用于凝固的颗粒而形成的镍 - 钴 - 锰复合羟基氧化物的混合的混合颗粒，并在含氧气氛中焙烧该混合物。
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7.发明申请Composite oxide containing lithum, nickel, cobalt, manganese, and fluorine, process for producing the same, and lithium secondary cell employing it 审中-公开含有锂，镍，钴，锰和氟的复合氧化物，其制造方法以及使用它的锂二次电池公开(公告)号：US20060057466A1
公开(公告)日：2006-03-16
申请号：US10535855
申请日：2004-07-07
IPC分类号： H01M6/18
CPC分类号： H01M4/13915 , C01G45/1228 , C01G51/50 , C01G53/50 , C01P2002/52 , C01P2002/76 , C01P2002/77 , C01P2004/50 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/1315 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/582 , H01M10/052
摘要： There is obtained an active material for a lithium secondary battery that has a wide usable voltage range, a high charge-discharge cycle durability, a high capacity and high safety and availability. The particles of a lithium-nickel-cobalt-manganese-fluorine-containing composite oxide having an R-3m rhombohedral structure represented by a general formula LipNixMn1-x-yCoyO2-qFq (where 0.98≦p≦1.07, 0.3≦x≦0.5, 0.1≦y≦0.38, and 0≦q≦0.05), and the particles of the lithium-nickel-cobalt-manganese-fluorine-containing composite oxide characterized in that the half-width of the diffraction peak of a (110) plane whose 2θ is 65±0.5° in the X-ray diffraction using a Cu—Kα line is, 0.12 to 0.25° are used as an active substance for a positive electrode.
摘要翻译： 获得了具有宽的可用电压范围，高充放电循环耐久性，高容量和高安全性和可用性的锂二次电池的活性材料。
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公开(公告)号：US20050271944A1
公开(公告)日：2005-12-08
申请号：US11150451
申请日：2005-06-13
IPC分类号： C01G45/12 , C01G51/00 , C01G51/04 , C01G53/00 , C01G53/04 , H01M4/131 , H01M4/48 , H01M4/485 , H01M4/50 , H01M4/505 , H01M4/52 , H01M4/525 , H01M10/052 , H01M10/36 , H01M4/58
CPC分类号： H01M4/505 , H01M4/131 , H01M4/485 , H01M4/525 , H01M10/052 , H01M2004/021
摘要： To provide a lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability. A positive electrode active material powder for a lithium secondary battery characterized by comprising a first granular powder having a compression breaking strength of at least 50 MPa and a second granular powder having a compression breaking strength of less than 40 MPa, formed by agglomeration of many fine particles of a lithium composite oxide represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is a transition metal element other than Ni, Co and Mn, Al or an alkaline earth metal element, 0.9≦p≦1.1, 0.2≦x≦0.8, 0≦x≦0.4, 0≦z≦0.5, y+z>0, 0≦q≦0.05, 1.9≦2−a≦2.1, x+y+z+q=1, and 0≦a≦0.02) to have an average particle size D50 of from 3 to 15 μm, in a weight ratio of the first granular powder/the second granular powder being from 50/50 to 90/10.
摘要翻译： 为了提供一种锂二次电池的正极用锂镍钴锰复合氧化物粉末，其具有大容量密度和高安全性，并且充放电循环耐久性优异。 一种锂二次电池用正极活性物质粉末，其特征在于，具有压缩断裂强度为50MPa以上的第一粒状粉末和压缩断裂强度小于40MPa的第二粒状粉末，其特征在于， 由下式表示的锂复合氧化物的颗粒：由下式表示的锂复合氧化物颗粒：Mn x Mn x Mn （其中M是不同于Ni，Co和Mn，Al或碱土金属元素的过渡金属元素，0.9 <= p <= 1.1,0.2 <= x <= 0.8,0 <= x <= 0.4,0 <= z <= 0.5，y + z> 0,0 <= q <= 0.05,1.9 <= 2- a = 2.1，x + y + z + q = 1，0 <= a <= 0.02），平均粒径D50为3〜15μm，以第1粒状粉末/ 粒状粉末为50/50至90/10。
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公开(公告)号：US07429434B2
公开(公告)日：2008-09-30
申请号：US11610529
申请日：2006-12-14
申请人： Takuya Mihara , Yukimitsu Wakasugi , Naoshi Saito , Manabu Suhara
发明人： Takuya Mihara , Yukimitsu Wakasugi , Naoshi Saito , Manabu Suhara
CPC分类号： C01G51/006 , C01B25/45 , C01G45/1228 , C01G45/1235 , C01G45/1242 , C01G51/42 , C01G51/50 , C01G53/006 , C01G53/50 , C01P2002/72 , C01P2004/61 , C01P2006/40 , H01M4/02 , H01M4/131 , H01M4/1315 , H01M4/364 , H01M4/505 , H01M4/525 , H01M4/582 , H01M4/587 , H01M10/052 , H01M10/0565 , H01M2004/028
摘要： It is to provide a cathode active material powder for a positive electrode for a lithium secondary battery, which has a large volume capacity density, high safety and excellent durability for charge and discharge cycles. A cathode active material powder for a lithium secondary battery characterized by comprising a first composite oxide powder represented by the formula (1) LipQxMyOzFa (wherein Q is Co or Mn, M is aluminum or an alkaline earth metal element or a transition metal element other than Q, provided that when Q is Co, 0.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1, and 0≦a≦0.02, and when Q is Mn, 1≦p≦1.3, x=2−y, 0≦y≦0.05, z=4, and a=0), having an average particle size D50 of from 5 to 30 μm, and having a compression breaking strength of at least 40 MPa; and a second composite oxide powder represented by the formula (2) LipNixCoyMnzNqOrFa (wherein N is aluminum or an alkaline earth metal element or a transition metal element other than Ni, Co and Mn, 0.9≦p≦1.1, 0.2≦x≦0.8, 0≦y≦0.4, 0≦z≦0.5, 0≦q≦0.05, 1.9≦r≦2.1, x+y+z+q=1, and 0≦a≦0.02), having an average particle size D50 of from 2 to 30 μm, and having a compression breaking strength less than 40 MPa; in a ratio (weight ratio) of the first composite oxide powder/the second composite oxide powder being from 95/5 to 30/70.
摘要翻译： 本发明提供一种锂二次电池用正极用正极活性物质粉末，其具有容量密度大，安全性高，充放电循环优异的耐久性。 一种锂二次电池用正极活性物质粉末，其特征在于，含有式（1）表示的第一复合氧化物粉末， （其中Q是Co或Mn，M是铝或碱土金属元素或Q以外的过渡金属元素，条件是当Q 是Co，0.9 <= p <= 1.1,0.980 <= x <= 1.000,0 <= y <= 0.02,1.9 <= z <= 2.1，x + y = 1，0 <= a <= 0.02， 当Q为Mn时，平均粒度D50为5〜30μm，1≤p≤3.3，x = 2-y，0≤y≤0.05，z = 4，a = 0） 并且具有至少40MPa的压缩断裂强度; 和由式（2）表示的第二复合氧化物粉末LiNi x N x Mn x N （其中N为铝或碱土金属元素或Ni之外的过渡金属元素，Co和Mn， 0.9 <= p <= 1.1,0.2 <= x <= 0.8,0 <= y <= 0.4,0 <= z <= 0.5,0 <= q <= 0.05,1.9 <= r = 2.1，x + y + z + q = 1，0 <= a <= 0.02），平均粒径D50为2〜30μm，压缩断裂强度小于40MPa; 第一复合氧化物粉末/第二复合氧化物粉末的比例（重量比）为95/5〜30/70。
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公开(公告)号：US20070099087A1
公开(公告)日：2007-05-03
申请号：US11610529
申请日：2006-12-14
申请人： Takuya MIHARA , Yukimitsu Wakasugi , Naoshi Saito , Manabu Suhara
发明人： Takuya MIHARA , Yukimitsu Wakasugi , Naoshi Saito , Manabu Suhara
CPC分类号： C01G51/006 , C01B25/45 , C01G45/1228 , C01G45/1235 , C01G45/1242 , C01G51/42 , C01G51/50 , C01G53/006 , C01G53/50 , C01P2002/72 , C01P2004/61 , C01P2006/40 , H01M4/02 , H01M4/131 , H01M4/1315 , H01M4/364 , H01M4/505 , H01M4/525 , H01M4/582 , H01M4/587 , H01M10/052 , H01M10/0565 , H01M2004/028
摘要： It is to provide a cathode active material powder for a positive electrode for a lithium secondary battery, which has a large volume capacity density, high safety and excellent durability for charge and discharge cycles. A cathode active material powder for a lithium secondary battery characterized by comprising a first composite oxide powder represented by the formula (1) LipQxMyOzFa (wherein Q is Co or Mn, M is aluminum or an alkaline earth metal element or a transition metal element other than Q, provided that when Q is Co, 0.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1, and 0≦a≦0.02, and when Q is Mn, 1≦p≦1.3, x=2−y, 0≦y≦0.05, z=4, and a=0), having an average particle size D50 of from 5 to 30 μm, and having a compression breaking strength of at least 40 MPa; and a second composite oxide powder represented by the formula (2) LipNixCoyMnzNqOrFa (wherein N is aluminum or an alkaline earth metal element or a transition metal element other than Ni, Co and Mn, 0.9≦p≦1.1, 0.2≦x≦0.8, 0≦y≦0.4, 0≦z≦0.5, 0≦q≦0.05, 1.9≦r≦2.1, x+y+z+q=1, and 0≦a≦0.02), having an average particle size D50 of from 2 to 30 μm, and having a compression breaking strength less than 40 MPa; in a ratio (weight ratio) of the first composite oxide powder/the second composite oxide powder being from 95/5 to 30/70.
摘要翻译： 本发明提供一种锂二次电池用正极用正极活性物质粉末，其具有容量密度大，安全性高，充放电循环优异的耐久性。 一种锂二次电池用正极活性物质粉末，其特征在于，含有式（1）表示的第一复合氧化物粉末， （其中Q是Co或Mn，M是铝或碱土金属元素或Q以外的过渡金属元素，条件是当Q 是Co，0.9 <= p <= 1.1,0.980 <= x <= 1.000,0 <= y <= 0.02,1.9 <= z <= 2.1，x + y = 1，0 <= a <= 0.02， 当Q为Mn时，平均粒度D50为5〜30μm，1≤p≤3.3，x = 2-y，0≤y≤0.05，z = 4，a = 0） 并且具有至少40MPa的压缩断裂强度; 和由式（2）表示的第二复合氧化物粉末LiNi x N x Mn x N （其中N为铝或碱土金属元素或Ni之外的过渡金属元素，Co和Mn， 0.9 <= p <= 1.1,0.2 <= x <= 0.8,0 <= y <= 0.4,0 <= z <= 0.5,0 <= q <= 0.05,1.9 <= r = 2.1，x + y + z + q = 1，0 <= a <= 0.02），平均粒径D50为2〜30μm，压缩断裂强度小于40MPa; 第一复合氧化物粉末/第二复合氧化物粉末的比例（重量比）为95/5〜30/70。
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