公开(公告)号：US20110003192A1

公开(公告)日：2011-01-06

申请号：US12865993

申请日：2009-02-03

申请人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

发明人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

IPC分类号： H01M2/16 ,  H01M4/88

CPC分类号： H01M10/054 ,  C01G49/0072 ,  C01G53/50 ,  C01P2002/72 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/4235 ,  Y02E60/122

摘要： The present invention provides a sodium secondary battery capable of reducing the amount used of a scarce metal element such as lithium and cobalt and moreover, ensuring a larger discharge capacity after repeating charge/discharge as compared with conventional techniques, and a mixed metal oxide usable as the positive electrode active material therefor. The mixed metal oxide of the present invention comprises Na, Mn and M1 wherein M1 is Fe or Ni, with a Na:Mn:M1 molar ratio being a:(1-b):b wherein a is a value falling within the range of more than 0.5 and less than 1, and b is a value falling within the range of from 0.001 to 0.5. Another mixed metal oxide of the present invention is a mixed metal oxide represented by the following formula (1): NaaMn1-bM1bO2 (1) wherein M1, a and b each have the same meaning as above. The positive electrode active material for sodium secondary batteries of the present invention comprises the mixed metal oxide above.

摘要翻译： 本发明提供一种钠二次电池，其能够减少诸如锂和钴之类的稀有金属元素的使用量，此外，与常规技术相比，确保了重复充电/放电后的放电容量更大，并且可用作 正极活性物质。 本发明的混合金属氧化物包括Na，Mn和M1，其中M1是Fe或Ni，Na：Mn：M1的摩尔比为a：（1-b）：b其中a是落在 大于0.5且小于1，b为0.001至0.5的范围内的值。 本发明的另一种混合金属氧化物是由下式（1）表示的混合金属氧化物：NaaMn1-bM1bO2（1）其中M1，a和b各自具有与上述相同的含义。 本发明的钠二次电池用正极活性物质包含上述混合金属氧化物。

公开(公告)号：US20120015230A1

公开(公告)日：2012-01-19

申请号：US13256159

申请日：2010-03-10

申请人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

发明人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

IPC分类号： H01M4/131 ,  H01M2/16

CPC分类号： H01M4/50 ,  C01G45/1228 ,  C01G49/0018 ,  C01G49/0027 ,  C01G49/0036 ,  C01G51/006 ,  C01G51/42 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2004/32 ,  C01P2004/54 ,  C01P2006/16 ,  C01P2006/40 ,  C01P2006/80 ,  H01M2/16 ,  H01M2/1686 ,  H01M4/483 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/36 ,  H01M2004/028 ,  H01M2200/10 ,  H01M2300/002 ,  H01M2300/0025 ,  H01M2300/0088 ,  Y02E60/122

摘要： Disclosed is a mixed metal oxide comprising Na, M1, and M2, where M1 represents at least one element selected from the group consisting of Mg, Ca, Sr, and Ba; and M2 represents at least one element selected from the group consisting of Mn, Fe, Co, and Ni, wherein the molar ratio of Na:M1:M2 is a:b:1, where a is a value within the range of not less than 0.5 and less than 1; b is a value within the range of more than 0 and not more than 0.5; and “a+b” is a value within the range of more than 0.5 and not more than 1. An electrode having an active material containing the mixed metal oxide is also disclosed. Further disclosed is an electrode containing the electrode active material as well as a sodium secondary battery comprising the electrode as a positive electrode.

摘要翻译： 公开了包含Na，M1和M2的混合金属氧化物，其中M1表示选自Mg，Ca，Sr和Ba中的至少一种元素; M2表示选自Mn，Fe，Co和Ni中的至少一种元素，其中Na：M1：M2的摩尔比为a：b：1，其中a为不小于 大于0.5且小于1; b是大于0且不大于0.5的范围内的值; 并且“a + b”是大于0.5且不大于1的范围内的值。还公开了具有含有该混合金属氧化物的活性物质的电极。 还公开了含有电极活性物质的电极以及包含该电极作为正电极的钠二次电池。

公开(公告)号：US20110159345A1

公开(公告)日：2011-06-30

申请号：US13061017

申请日：2009-08-20

申请人： Masami Makidera ,  Satoru Kuze

发明人： Masami Makidera ,  Satoru Kuze

IPC分类号： H01M4/485 ,  H01M2/16 ,  H01M4/88

CPC分类号： H01M4/505 ,  C01G49/0027 ,  C01G49/009 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/72 ,  C01P2004/51 ,  C01P2004/62 ,  C01P2006/14 ,  C01P2006/40 ,  H01M2/1686 ,  H01M4/525 ,  H01M10/054

摘要： Disclosed are an electrode active material and a method for producing an electrode active material. The method for producing an electrode active material comprises the following steps (i), (ii) and (iii). (i) An aqueous solution containing M is brought into contact with a precipitant, thereby obtaining a precipitate, wherein M represents at least two elements selected from the group consisting of metal elements other than alkali metal elements. (ii) The precipitate is mixed with a sodium compound, thereby obtaining a mixture. (iii) The mixture is calcined.

摘要翻译： 公开了电极活性物质和电极活性物质的制造方法。 电极活性物质的制造方法包括以下工序（i），（ii）和（iii）。 （i）含有M的水溶液与沉淀剂接触，从而得到沉淀物，其中M表示选自除碱金属元素以外的金属元素中的至少两种元素。 （ii）将沉淀与钠化合物混合，从而得到混合物。 （iii）将混合物煅烧。

公开(公告)号：US20110003191A1

公开(公告)日：2011-01-06

申请号：US12865987

申请日：2009-02-03

申请人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

发明人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

IPC分类号： H01M4/50 ,  H01M4/52 ,  H01M2/14

CPC分类号： H01M2/1686 ,  C01G45/1228 ,  C01G51/50 ,  C01P2006/40 ,  H01M2/1653 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/054

摘要： The present invention provides a sodium secondary battery having a superior cycling performance as compared with conventional techniques. A sodium secondary battery of the present invention comprises a positive electrode comprising a mixed metal oxide which comprises Na and M1 wherein M1 represents two or more elements selected from the group consisting of Mn, Fe, Co and Ni, with an Na:M1 molar ratio being a:1 wherein a is a value falling within the range of more than 0.5 and less than 1, a negative electrode comprising a carbonaceous material capable of storing and releasing Na ions, and an electrolyte. Further, the sodium secondary battery of the present invention may comprise a separator, and the separator may be a separator comprising a porous laminated film in which a heat-resistant porous layer comprising a heat-resistant resin and a porous film comprising a thermoplastic resin are stacked each other.

摘要翻译： 本发明提供了与常规技术相比具有优异的循环性能的钠二次电池。 本发明的钠二次电池包括含有包含Na和M1的混合金属氧化物的正极，其中M1表示选自Mn，Fe，Co和Ni中的两种或更多种元素，Na：M1摩尔比 其中a是大于0.5且小于1的范围的值，包含能够储存和释放Na离子的碳质材料的负极和电解质。 此外，本发明的钠二次电池可以包括隔膜，隔板可以是包括多孔层压膜的隔板，其中包含耐热树脂的耐热多孔层和包含热塑性树脂的多孔膜是 彼此堆叠

公开(公告)号：US09502714B2

公开(公告)日：2016-11-22

申请号：US13256159

申请日：2010-03-10

申请人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

发明人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

IPC分类号： H01M4/131 ,  H01M4/50 ,  C01G45/12 ,  C01G49/00 ,  C01G51/00 ,  C01G53/00 ,  H01M2/16 ,  H01M4/48 ,  H01M4/485 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/02

CPC分类号： H01M4/50 ,  C01G45/1228 ,  C01G49/0018 ,  C01G49/0027 ,  C01G49/0036 ,  C01G51/006 ,  C01G51/42 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2004/32 ,  C01P2004/54 ,  C01P2006/16 ,  C01P2006/40 ,  C01P2006/80 ,  H01M2/16 ,  H01M2/1686 ,  H01M4/483 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/36 ,  H01M2004/028 ,  H01M2200/10 ,  H01M2300/002 ,  H01M2300/0025 ,  H01M2300/0088 ,  Y02E60/122

摘要： Disclosed is a mixed metal oxide comprising Na, M1, and M2, where M1 represents at least one element selected from the group consisting of Mg, Ca, Sr, and Ba; and M2 represents at least one element selected from the group consisting of Mn, Fe, Co, and Ni, wherein the molar ratio of Na:M1:M2 is a:b:1, where a is a value within the range of not less than 0.5 and less than 1; b is a value within the range of more than 0 and not more than 0.5; and “a+b” is a value within the range of more than 0.5 and not more than 1. An electrode having an active material containing the mixed metal oxide is also disclosed. Further disclosed is an electrode containing the electrode active material as well as a sodium secondary battery comprising the electrode as a positive electrode.

摘要翻译： 公开了包含Na，M1和M2的混合金属氧化物，其中M1表示选自Mg，Ca，Sr和Ba中的至少一种元素; M2表示选自Mn，Fe，Co和Ni中的至少一种元素，其中Na：M1：M2的摩尔比为a：b：1，其中a为不小于 大于0.5且小于1; b是大于0且不大于0.5的范围内的值; 并且“a + b”是大于0.5且不大于1的范围内的值。还公开了具有含有该混合金属氧化物的活性物质的电极。 还公开了含有电极活性物质的电极以及包含该电极作为正电极的钠二次电池。

公开(公告)号：US10122014B2

公开(公告)日：2018-11-06

申请号：US12865976

申请日：2009-02-03

申请人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

发明人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

IPC分类号： H01M4/00 ,  H01M4/525 ,  H01M10/054 ,  H01M2/16 ,  H01M4/505 ,  H01M10/54

摘要： The present invention provides a sodium secondary battery capable of reducing the amount of lithium used, and ensuring a larger discharge capacity maintenance rate when having repeated a charge and discharge, as compared with conventional techniques; and a mixed metal oxide usable as the positive electrode active material therefor. A mixed metal oxide of the present invention comprises Na and M1 wherein M1 represents three or more elements selected from the group consisting of Mn, Fe, Co and Ni with an Na:M1 molar ratio being a:1 wherein a is a value falling within the range of more than 0.5 and less than 1. Also, a mixed metal oxide of the present invention is represented by the following formula (1): NaaM1O2  (1) wherein M1 and a each have the same meaning as above. The positive electrode active material for secondary batteries of the present invention comprises the mixed metal oxide above.

公开(公告)号：US09142860B2

公开(公告)日：2015-09-22

申请号：US12865993

申请日：2009-02-03

申请人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

发明人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

IPC分类号： H01M2/16 ,  H01M4/88 ,  H01M10/054 ,  H01M4/58 ,  H01M4/505 ,  H01M4/525 ,  H01M10/42 ,  C01G49/00 ,  C01G53/00

CPC分类号： H01M10/054 ,  C01G49/0072 ,  C01G53/50 ,  C01P2002/72 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/4235 ,  Y02E60/122

摘要： A sodium secondary battery capable of reducing the amount used of a scarce metal element such as lithium and cobalt and moreover, ensuring a larger discharge capacity after repeating charge/discharge as compared with conventional techniques, and a mixed metal oxide usable as the positive electrode active material therefor. The mixed metal oxide comprises Na, Mn and M1 wherein M1 is Fe or Ni, with a Na:Mn:M1 molar ratio being a:(1−b):b wherein a is a value falling within the range of more than 0.5 and less than 1, and b is a value falling within the range of from 0.001 to 0.5. Another mixed metal oxide is a mixed metal oxide represented by the following formula (1): NaaMn1−bM1bO2 (1) wherein M1, a and b each have the same meaning as above. The positive electrode active material for sodium secondary batteries comprises the mixed metal oxide above.

摘要翻译： 能够减少稀有金属元素如锂和钴的量的钠二次电池，并且与常规技术相比，确保重复充电/放电之后的放电容量更大，并且可用作正极活性物质的混合金属氧化物 材料。 混合金属氧化物包括Na，Mn和M1，其中M1是Fe或Ni，Na：Mn：M1的摩尔比为a：（1-b）：b其中a是大于0.5的范围内的值， 小于1，b为0.001〜0.5的范围。 另一种混合金属氧化物是由下式（1）表示的混合金属氧化物：NaaMn1-bM1bO2（1）其中M1，a和b各自具有与上述相同的含义。 钠二次电池用正极活性物质为上述复合金属氧化物。

公开(公告)号：US20100323232A1

公开(公告)日：2010-12-23

申请号：US12865976

申请日：2009-02-03

申请人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

发明人： Satoru Kuze ,  Masami Makidera ,  Taketsugu Yamamoto

IPC分类号： H01M2/14 ,  H01M4/40 ,  H01M4/505 ,  H01M4/485 ,  H01M10/054

CPC分类号： H01M4/525 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/505 ,  H01M10/054 ,  H01M10/54 ,  Y02W30/84

摘要： The present invention provides a sodium secondary battery capable of reducing the amount of lithium used, and ensuring a larger discharge capacity maintenance rate when having repeated a charge and discharge, as compared with conventional techniques; and a mixed metal oxide usable as the positive electrode active material therefor. A mixed metal oxide of the present invention comprises Na and M1 wherein M1 represents three or more elements selected from the group consisting of Mn, Fe, Co and Ni with an Na:M1 molar ratio being a:1 wherein a is a value falling within the range of more than 0.5 and less than 1. Also, a mixed metal oxide of the present invention is represented by the following formula (1): NaaM1O2  (1) wherein M1 and a each have the same meaning as above.The positive electrode active material for secondary batteries of the present invention comprises the mixed metal oxide above.

摘要翻译： 本发明提供一种能够减少所使用的锂的量的钠二次电池，并且与现有的技术相比，能够在重复进行充放电时确保更大的放电容量维持率。 和可用作其的正极活性物质的混合金属氧化物。 本发明的混合金属氧化物包含Na和M1，其中M1表示选自Mn，Fe，Co和Ni中的三种或更多种元素，Na：M1摩尔比为a：1，其中a为落入 范围大于0.5且小于1.此外，本发明的混合金属氧化物由下式（1）表示：NaaM1O2（1）其中M1和a各自具有与上述相同的含义。 本发明的二次电池用正极活性物质包含上述复合金属氧化物。

公开(公告)号：US08795894B2

公开(公告)日：2014-08-05

申请号：US12864715

申请日：2009-01-23

申请人： Maiko Sakai ,  Taketsugu Yamamoto ,  Masami Makidera ,  Satoru Kuze ,  Takeshi Hattori

发明人： Maiko Sakai ,  Taketsugu Yamamoto ,  Masami Makidera ,  Satoru Kuze ,  Takeshi Hattori

IPC分类号： H01M4/52 ,  C01B25/30

CPC分类号： H01M4/5825 ,  C01B25/37 ,  C01B25/45 ,  C01P2002/74 ,  H01M2/1653 ,  H01M2/1686 ,  H01M2/348 ,  H01M4/381 ,  H01M4/40 ,  H01M10/052 ,  H01M10/054 ,  H01M10/36 ,  H01M2200/10 ,  Y02T10/7011

摘要： Disclosed are a positive electrode active material and a method for producing an olivine-type phosphate. The positive electrode active material comprises an olivine-type phosphate represented by the following formula (I), wherein the maximum peak in an X-ray diffraction pattern obtained using a CuKα ray is the peak of the (031) plane of the olivine-type phosphate and the half-value width of the peak is 1.5° or less: AaMbPO4 (I), wherein A represents one or more elements selected from among alkali metals; M represents one or more elements selected from among transition metals; a is from 0.5 to 1.5; and b is from 0.5 to 1.5. The method for producing an olivine-type phosphate comprises preparing a raw material comprising element A, element M, and phosphorus (P) so that a A:M:P molar ratio may be a:b:1, preliminary calcining the raw material, and mainly calcining the preliminary calcined raw material.

摘要翻译： 公开了正极活性物质和橄榄石型磷酸盐的制造方法。 正极活性物质包括由下式（I）表示的橄榄石型磷酸盐，其中使用CuKα射线获得的X射线衍射图中的最大峰为橄榄石型（031）的（031）面的峰值 磷酸盐，峰值的半值宽度为1.5°以下：AaMbPO4（I），其中A表示选自碱金属中的一种或多种元素; M表示选自过渡金属中的一种或多种元素; a为0.5〜1.5; b为0.5〜1.5。 橄榄石型磷酸盐的制造方法包括：制备包含元素A，元素M和磷（P）的原料，使得A:M:P摩尔比可以为a:b:1，对原料进行预煅烧， 并主要煅烧预煅烧原料。

公开(公告)号：US20100323231A1

公开(公告)日：2010-12-23

申请号：US12864715

申请日：2009-01-23

申请人： Maiko Sakai ,  Taketsugu Yamamoto ,  Masami Makidera ,  Satoru Kuze ,  Takeshi Hattori

发明人： Maiko Sakai ,  Taketsugu Yamamoto ,  Masami Makidera ,  Satoru Kuze ,  Takeshi Hattori

IPC分类号： H01M4/58 ,  H01M2/16 ,  H01M4/88

CPC分类号： H01M4/5825 ,  C01B25/37 ,  C01B25/45 ,  C01P2002/74 ,  H01M2/1653 ,  H01M2/1686 ,  H01M2/348 ,  H01M4/381 ,  H01M4/40 ,  H01M10/052 ,  H01M10/054 ,  H01M10/36 ,  H01M2200/10 ,  Y02T10/7011

摘要： Disclosed are a positive electrode active material and a method for producing an olivine-type phosphate. The positive electrode active material comprises an olivine-type phosphate represented by the following formula (I), wherein the maximum peak in an X-ray diffraction pattern obtained using a CuKα ray is the peak of the (031) plane of the olivine-type phosphate and the half-value width of the peak is 1.5° or less: AaMbPO4 (I), wherein A represents one or more elements selected from among alkali metals; M represents one or more elements selected from among transition metals; a is from 0.5 to 1.5; and b is from 0.5 to 1.5. The method for producing an olivine-type phosphate comprises preparing a raw material comprising element A, element M, and phosphorus (P) so that a A:M:P molar ratio may be a:b:1, preliminary calcining the raw material, and mainly calcining the preliminary calcined raw material.

摘要翻译： 公开了正极活性物质和橄榄石型磷酸盐的制造方法。 正极活性物质包括由下式（I）表示的橄榄石型磷酸盐，其中使用CuKα射线获得的X射线衍射图中的最大峰为橄榄石型（031）的（031）面的峰值 磷酸盐，峰值的半值宽度为1.5°以下：AaMbPO4（I），其中A表示选自碱金属中的一种或多种元素; M表示选自过渡金属中的一种或多种元素; a为0.5〜1.5; b为0.5〜1.5。 橄榄石型磷酸盐的制造方法包括：制备包含元素A，元素M和磷（P）的原料，使得A:M:P摩尔比可以为a:b:1，对原料进行预煅烧， 并主要煅烧预煅烧原料。