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    • 42. 发明申请
    • LITHIUM ION SECONDARY BATTERY
    • 锂离子二次电池
    • US20130177809A1
    • 2013-07-11
    • US13823758
    • 2010-09-17
    • Hiroki Nagai
    • Hiroki Nagai
    • H01M4/131
    • H01M4/131H01M4/505H01M4/525Y02E60/122
    • A lithium-ion secondary battery comprising a positive electrode and a negative electrode is provided. The positive electrode comprises as a positive electrode active material a lithium transition metal composite oxide having a layered structure. The composite oxide contains as its metal components at least one species of Ni, Co and Mn as well as W and Ca. The composite oxide contains 0.26 mol % or more, but 5 mol % or less of W and Ca combined when all the metal elements contained in the oxide excluding lithium account for a total of 100 mol %, with the ratio (mW/mCa) of the number of moles of W contained, mW, to the number of moles of Ca contained, mCa, being 2.0 or larger, but 50 or smaller.
    • 提供了包括正极和负极的锂离子二次电池。 正极包含具有层状结构的锂过渡金属复合氧化物作为正极活性物质。 复合氧化物含有至少一种Ni,Co和Mn以及W和Ca的金属成分。 当除锂以外的氧化物中所含的全部金属元素占总量的100摩尔%时,复合氧化物的含量为0.26摩尔%以上,但为5摩尔%以下,W和Ca为5摩尔%以下,与(mW / mCa) 所含的W的摩尔数mW与所含的Ca的摩尔数mCa为2.0以上,但为50以下。
    • 47. 发明申请
    • POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND USE THEREOF
    • 用于锂二次电池的正极电极活性材料及其用途
    • US20120248388A1
    • 2012-10-04
    • US13514624
    • 2009-12-14
    • Hiroki NagaiHidekazu Hiratsuka
    • Hiroki NagaiHidekazu Hiratsuka
    • H01B1/08
    • H01M4/505H01M4/525Y02E60/122Y02P70/54
    • The present invention discloses a method for producing a positive electrode active material for a lithium secondary battery constituted by a lithium-nickel-cobalt-manganese complex oxide with a lamellar structure, the method including: (1) a step of preparing a starting source material for producing the complex oxide including a lithium supply source, a nickel supply source, a cobalt supply source, and a manganese supply source; (2) a step of pre-firing the starting source material by heating at a pre-firing temperature that has been set to a temperature lower than 800° C. and higher than a melting temperature of the lithium supply source; and (3) a step of firing the pre-fired material obtained in the pre-firing step by raising a temperature to a temperature range higher than the pre-firing temperature.
    • 本发明公开了一种由具有层状结构的锂镍钴锰复合氧化物构成的锂二次电池用正极活性物质的制造方法,该方法包括:(1)制备起始原料的步骤 用于生产包括锂供应源,镍供应源,钴供应源和锰供应源的复合氧化物; (2)通过在设定为低于800℃且高于锂供应源的熔融温度的预焙烧温度下进行加热来预焙烧起始原料的步骤; 和(3)通过将温度升高到比预烧温度高的温度范围,烧制在预烧制步骤中获得的预烧材料的步骤。
    • 49. 发明授权
    • Focus control circuit for adjusting the focus by moving a lens
    • 通过移动镜头调整焦距的对焦控制电路
    • US08131143B2
    • 2012-03-06
    • US12835360
    • 2010-07-13
    • Hiroki NagaiTakeshi KuraTomonori Kamiya
    • Hiroki NagaiTakeshi KuraTomonori Kamiya
    • G03B13/36G03B3/10
    • G03B13/34
    • A focus control circuit is installed in an image pickup apparatus including a lens, a driver element for adjusting the position of the lens, and a position detecting element for detecting the position of the lens. An equalizer included in the focus control circuit generates a drive signal used to adjust the position of the lens to a position to be set, based on a difference between the position of the lens identified by the position detecting element and the set position. When an instruction to vary a target position of the lens is received externally, a position setting unit included in the focus control circuit sets sequentially a plurality of positions in a range covering a new target position and a previous target position, to the equalizer before the new target position is reached from the previous target position.
    • 焦点控制电路安装在包括透镜,用于调节透镜位置的驱动元件和用于检测透镜位置的位置检测元件的图像拾取装置中。 包括在聚焦控制电路中的均衡器基于由位置检测元件识别的透镜的位置与设定位置之间的差产生用于将透镜的位置调整到要设置的位置的驱动信号。 当外部接收到改变镜头的目标位置的指令时,包括在聚焦控制电路中的位置设置单元在覆盖新目标位置和先前目标位置的范围内依次设置多个位置到均衡器 从目标位置达到新的目标位置。