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    • 31. 发明专利
    • Nonaqueous electrolyte battery manufacturing method and nonaqueous electrolyte battery
    • 非电解电池制造方法和非电解电解质电池
    • JP2013232335A
    • 2013-11-14
    • JP2012103784
    • 2012-04-27
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • OGAWA MITSUYASUGOTO KAZUHIROYOSHIDA KENTAROKAMIMURA TAKUKANDA RYOKOHARADA KEIZO
    • H01M10/0562H01M4/1391H01M4/505H01M4/525H01M10/052H01M10/058
    • H01M10/058H01M4/0433H01M4/131H01M4/1391H01M4/364H01M4/505H01M4/525H01M10/052H01M10/0562H01M10/0585Y10T29/49108
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery manufacturing method in which no high resistance layer is formed in a junction interface between both electrode bodies even when two separately fabricated electrode bodies are pasted together.SOLUTION: A cathode body 1 including a cathode active material layer 12 made of a powder compact and an amorphous cathode side solid electrolyte layer (PSE layer) 13 which is formed by a gas phase method is prepared. An anode body 2 including an anode active material layer 22 made of a powder compact and an amorphous anode side solid electrolyte layer (NSE layer) 23 which is formed by a gas phase method is prepared. The cathode body 1 and the anode body 2 are placed one on top of another so that the solid electrolyte layers 13 and 23 are contacted with each other and are subjected to heat treatment while being pressurized, whereby the PSE layer 13 and the NSE layer 23 are crystallized and thus joined together. The cathode active material layer 12 is obtained by pressure-molding cathode active material powder consisting of boron doped LiNiCoAlOor LiNiMnCoOand sulfide solid electrolyte powder.
    • 要解决的问题:提供即使将两个分开制造的电极体粘贴在一起的两个电极体之间的接合界面中也不形成高电阻层的非水电解质电池制造方法。解决方案:包括阴极活性物质 制备由粉末压块制成的材料层12和通过气相法形成的非晶阴极侧固体电解质层(PSE层)13。 制备包括由粉末压块制成的负极活性材料层22和通过气相法形成的非晶阳极侧固体电解质层(NSE层)23的阳极体2。 将阴极体1和阳极体2一个放置在另一个上,使得固体电解质层13和23彼此接触并在被加压的同时进行热处理,由此PSE层13和NSE层23 结晶并因此结合在一起。 阴极活性物质层12是通过对由硼掺杂的LiNiCoAlO或LiNiMnCoO和硫化物固体电解质粉末组成的阴极活性物质粉末进行加压成型而获得的。
    • 32. 发明专利
    • Nonaqueous electrolyte secondary battery and manufacturing method thereof
    • 非电解电解质二次电池及其制造方法
    • JP2013026038A
    • 2013-02-04
    • JP2011160192
    • 2011-07-21
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • KANDA RYOKOYOSHIDA KENTARO
    • H01M4/485H01M4/36
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery and manufacturing method thereof capable of sufficiently improving availability of an active material by using LTO electrode having both excellent ion conductivity and electron conductivity.SOLUTION: The manufacturing method of the nonaqueous electrolyte secondary battery includes: a complex oxide coating process for coating one or more kinds of complex oxide selected from amorphous lithium niobate, lithium tantalate, and lithium titanate on a surface of lithium titanate particles; an oxygen deficiency generation process for causing a coated complex oxide to generate an oxygen deficiency while maintaining amorphous nature; an electrode manufacturing process for manufacturing an electrode using the lithium titanate particles as active materials; and a battery manufacturing process for manufacturing the nonaqueous electrolyte secondary battery using manufactured electrodes.
    • 解决方案:提供一种非水电解质二次电池及其制造方法,其可以通过使用具有优异的离子传导性和电子传导性的LTO电极来充分提高活性物质的可利用性。 解决方案:非水电解质二次电池的制造方法包括:在钛酸锂颗粒的表面上涂布选自无定形铌酸锂,钽酸锂和钛酸锂的一种或多种复合氧化物的复合氧化物涂覆方法; 用于使涂覆的复合氧化物在保持无定形性的同时产生缺氧的缺氧产生方法; 使用钛酸锂粒子作为活性物质制造电极的电极制造方法; 以及使用制造的电极制造非水电解质二次电池的电池制造方法。 版权所有(C)2013,JPO&INPIT
    • 35. 发明专利
    • Method of manufacturing nonaqueous electrolyte battery
    • 制造非电解电池电池的方法
    • JP2011192414A
    • 2011-09-29
    • JP2010055350
    • 2010-03-12
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • SHIBATA KAORUYOSHIDA KENTAROKAMIMURA TAKUOGAWA MITSUYASUKANDA RYOKO
    • H01M10/058H01M4/13H01M4/139H01M10/052H01M10/0562
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a nonaqueous electrolyte battery for manufacturing a nonaqueous electrolyte battery with a satisfactory yield. SOLUTION: The method of manufacturing a nonaqueous electrolyte battery has the steps of: forming a positive electrode layer 1 including a positive electrode active material made of an oxide; forming a negative electrode layer 2 including a negative electrode active material; forming a sulfide-based solid electrolyte layer (SE layer 3) disposed between the electrode layers 1, 2; and forming an intermediate layer 4 disposed between the positive electrode layer 1 and the SE layer 3. The method also has a step of performing UV ozone treatment to a surface of the intermediate layer 4 under an atmosphere containing oxygen before the step of forming the SE layer 3 after the step of forming the intermediate layer 4. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种以令人满意的产率制造用于制造非水电解质电池的非水电解质电池的方法。 解决方案:制造非水电解质电池的方法包括以下步骤:形成包括由氧化物制成的正极活性物质的正极层1; 形成包括负极活性物质的负极层2; 形成设置在电极层1,2之间的硫化物系固体电解质层(SE层3) 并且形成设置在正极层1和SE层3之间的中间层4.该方法还具有在形成SE的步骤之前在含氧气氛下对中间层4的表面进行UV臭氧处理的步骤 层3在形成中间层4的步骤之后。版权所有(C)2011,JPO&INPIT
    • 36. 发明专利
    • Nonaqueous electrolyte battery, and manufacturing method thereof
    • 非电解电解质电池及其制造方法
    • JP2011086555A
    • 2011-04-28
    • JP2009239644
    • 2009-10-16
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • OTA YUKIHIROKANDA RYOKO
    • H01M10/0562C01G33/00H01M10/052H01M10/058
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery which hardly reduces in discharge capacity even with repetition of charge and discharge. SOLUTION: The nonaqueous electrolyte battery 100 is provided with a positive electrode layer 1, a negative electrode layer 2, a solid electrolyte layer (SE layer) 3, and an intermediate layer 4. The positive electrode layer 1 contains a positive electrode active material made of oxide, the negative electrode layer 2 contains a negative electrode active material, and the SE layer 3 contains a sulfide-based solid electrolyte arranged between the electrode layers 1, 2. Moreover, the intermediate layer 4 is arranged between the positive electrode layer 1 and the SE layer 3, and alleviates heightening of resistance of the both layers 1, 3 in the vicinity of their interface. For the intermediate layer 4 provided at the nonaqueous electrolyte battery 100, Li-ion conductive oxide with oxygen deficiency produced is used. As the Li-ion conductive oxide, LiNbO 3-α (0 COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供即使重复充放电也难以降低放电容量的非水电解质电池。 解决方案:非水电解质电池100设置有正极层1,负极层2,固体电解质层(SE层)3和中间层4.正极层1含有正极 由氧化物构成的活性物质,负极层2含有负极活性物质,SE层3含有布置在电极层1,2之间的硫化物系固体电解质。此外,中间层4配置在正极 电极层1和SE层3,并且缓解了在其界面附近的两层1,3的电阻的升高。 对于设置在非水电解质电池100的中间层4,使用产生氧缺陷的锂离子传导性氧化物。 作为锂离子传导性氧化物,优选LiNbO 3 Sα(0 <α<1)。 版权所有(C)2011,JPO&INPIT
    • 37. 发明专利
    • Nonaqueous electrolyte battery
    • 非电解电解质电池
    • JP2011044369A
    • 2011-03-03
    • JP2009192682
    • 2009-08-24
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • OGAWA MITSUYASUYOSHIDA KENTAROKAMIMURA TAKUKANDA RYOKO
    • H01M10/0585H01M10/052H01M10/0562
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery with a discharge capacity hardly lowered by repetition of charge and discharge. SOLUTION: This nonaqueous electrolyte battery 100 includes: a positive electrode layer 1; a negative electrode layer 2; and a solid electrolyte layer 3 arranged between these electrode layers. The solid electrolyte layer 3 included in this battery 100 includes: an outer peripheral region 3t including an outer peripheral edge; and an inner region 3r surrounded by the outer peripheral region 3t, Li ion conductivity in the outer peripheral region 3t is lower than Li ion conductivity in the inner region 3r. With this structure, concentration of Li ion to the outer peripheral edge of the negative electrode layer 2 when charging the battery 100 can be restricted, and deterioration of the outer peripheral edge can be prevented. As a result, the battery 100 with a discharge capacity hardly lowered with charge and discharge can be obtained. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有通过重复充放电几乎不降低的放电容量的非水电解质电池。 解决方案:该非水电解质电池100包括:正极层1; 负极层2; 以及配置在这些电极层之间的固体电解质层3。 包括在该电池100中的固体电解质层3包括:外周区域3t,其包括外周边缘; 由外周区域3t包围的内部区域3r,外周区域3t的Li离子传导率低于内部区域3r中的Li离子传导率。 利用这种结构,可以限制在对电池100充电时Li离子对负极层2的外周边缘的浓度,并且可以防止外周边缘的劣化。 结果,可以获得放电容量几乎不会随着充放电而降低的电池100。 版权所有(C)2011,JPO&INPIT
    • 39. 发明专利
    • Electrode body and nonaqueous electrolyte battery
    • 电极体和非电解电解质电池
    • JP2010080422A
    • 2010-04-08
    • JP2009058659
    • 2009-03-11
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • KAMIMURA TAKUKANDA RYOKOYOSHIDA KENTAROEMURA KATSUJI
    • H01M4/13H01M2/16H01M4/139H01M4/66H01M4/70H01M10/052H01M10/0562H01M10/0565
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide an electrode body for manufacturing a nonaqueous electrolyte battery having a large discharge capacity, and to provide a nonaqueous electrolyte battery using the electrode body. SOLUTION: The electrode body has an average thickness of 0.05 to 0.3 mm and a porosity of 15 vol.% or less. The electrode body is used as a cathode active material layer 11 in a nonaqueous electrolyte battery 100. The electrode body can be a supporting body for forming other composition members 12, 31, 21, 22 of the battery when the nonaqueous electrolyte battery 100 is manufactured. By making the electrode body to be the supporting body, a cathode collector can be made an average thickness of 0.01 to 30 μm; and since the ratio of the cathode active material layer 11 in the battery can be made large, the nonaqueous electrolyte battery 100 can have an excellent discharging capacity. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种具有大的放电容量的非水电解质电池的制造用电极体,提供使用该电极体的非水电解质电池。 电极体的平均厚度为0.05〜0.3mm,孔隙率为15体积%以下。 电极体用作非水电解质电池100中的阴极活性物质层11.电极体可以是用于在制造非水电解质电池100时制成电池的其他组合物12,31,21,22的支撑体 。 通过使电极体成为支撑体,可以使阴极集电体的平均厚度为0.01〜30μm; 并且,由于可以使电池中的正极活性物质层11的比例大,所以非水电解质电池100可以具有优异的放电容量。 版权所有(C)2010,JPO&INPIT
    • 40. 发明专利
    • Battery structure and lithium battery using it
    • 电池结构和锂电池使用它
    • JP2009259503A
    • 2009-11-05
    • JP2008105304
    • 2008-04-15
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • KAMIMURA TAKUKANDA RYOKOOTA YUKIHIROOGAWA MITSUYASUYOSHIDA KENTAROEMURA KATSUJI
    • H01M4/134H01M10/052H01M10/0562H01M10/058
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a battery structure for obtaining a solid electrolyte battery with high capacity and excellent charge-discharge characteristics.
      SOLUTION: For the battery structure containing a form in which a cathode layer, a buffer layer, a solid electrolyte and an anode layer are sequentially laminated, a chemical composition of the solid electrolyte excepting inevitable impurities is expressed in a formula of: aLi-bX-cS-dY, provided, X is at least one element out of phosphorus (P), and boron (B), Y is at least one element out of oxygen (O), and nitrogen (N), and a sum total of a, b, c, and d is 1, whereas 'a' is within the range of 0.20 to 0.52, b of 0.10 to 0.20, c of 0.30 to 0.55, and d of 0 to 0.30, and at the same time, it consists of a part A in contact with the anode layer and a part B in contact with the buffer layer, with the 'a' of the part A larger than that of the part B, and the anode layer being metal lithium (Li) or an alloy containing lithium.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于获得具有高容量和优异充电 - 放电特性的固体电解质电池的电池结构。 解决方案:对于包含依次层叠阴极层,缓冲层,固体电解质和阳极层的形式的电池结构,除了不可避免的杂质之外的固体电解质的化学组成用下式表示: aLi-bX-cS-dY,X为磷(P)中至少一种元素,硼(B),Y为氧(O)中的至少一种元素,氮(N)和 a,b,c和d的总和为1,而'a'在0.20〜0.52的范围内,b为0.10〜0.20,c为0.30〜0.55,d为0〜0.30,相同 时间,它由与阳极层接触的部分A和与缓冲层接触的部分B组成,部分A的“a”比部分B的“a”大,并且阳极层是金属锂( Li)或含有锂的合金。 版权所有(C)2010,JPO&INPIT