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    • 1. 发明专利
    • Method for manufacturing battery, battery, method for manufacturing pre-welded positive electrode plate, and pre-welded positive electrode plate
    • 制造电池的方法,电池,制造预焊电极板的方法和预焊电极电极板
    • JP2012054038A
    • 2012-03-15
    • JP2010194331
    • 2010-08-31
    • Primearth Ev Energy Co LtdToyota Motor Corpトヨタ自動車株式会社プライムアースEvエナジー株式会社
    • NAKAMURA HIDEOSHIBATA YOSHINORISUGIYAMA TORUKOHARA TAKAHIRONISHIO YOSHINORIKOTANI TAKESHIYONEYAMA SATOSHI
    • H01M2/26H01M4/80
    • H01M10/049H01M4/70H01M4/808H01M10/0413H01M10/345
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a battery using a positive electrode plate with a positive electrode collector part made by applying a lead member to a positive electrode substrate made of a foam metal plate, a battery prepared thereby, a method for manufacturing a pre-welded positive electrode plate for the battery, and a pre-welded positive electrode plate prepared thereby.SOLUTION: A method for manufacturing a battery with an electrode body having a positive electrode plate with a positive electrode collector part made by applying a lead member to a positive electrode substrate made of a foam metal plate, and a positive electrode collector plate welded to the positive electrode collector part of the positive electrode plate, comprises a pre-welded positive electrode plate forming step in which a pre-welded positive electrode plate being the positive electrode plate before welding is formed to have a projection projecting from a pre-welded positive electrode collector part being the positive electrode collector part before welding, and a welding step in which the positive electrode collector plate before welding is welded to the projection of the pre-welded positive electrode collector part of the pre-welded positive electrode plate. In the pre-welded positive electrode plate forming step, the projection of the pre-welded positive electrode plate is formed to satisfy S≤1.3W, where W is the width and S is the peripheral length.
    • 要解决的问题:提供一种使用正极板的电池制造方法,该正极板具有通过将铅构件施加到由泡沫金属板制成的正极基板上制成的正极集电体部分,由此制备的电池, 一种用于制造用于电池的预焊正极板的方法,以及由此制备的预焊正极板。 解决方案:一种电池的制造方法,具有具有正极板的电极体,所述正极板具有通过将铅构件施加到由泡沫金属板制成的正极基板上制成的正极集电体部分和正极集电板 焊接到正极板的正极集电体部分,包括预焊正极板形成步骤,其中在焊接之前作为正极板的预焊正极板形成为具有从预焊接的正极板形成步骤, 焊接前的正极集电体部分是焊接前的正极集电体部分,焊接步骤是将焊接前的正极集电板焊接在预焊正极板的预焊正极集电体部分的突起上。 在预焊正极板形成工序中,预焊正极板的突起形成为S≤1.3W,W为宽度,S为周长。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Method and apparatus for ultrasonic bonding, and method for manufacturing electrode for battery
    • 用于超声波接合的方法和装置,以及用于制造用于电池的电极的方法
    • JP2011143419A
    • 2011-07-28
    • JP2010004340
    • 2010-01-12
    • Primearth Ev Energy Co LtdToyota Motor Corpトヨタ自動車株式会社プライムアースEvエナジー株式会社
    • OHASHI FUMINORINISHIO YOSHINORIOGASAWARA TOSHIMUNEFUKUI TOMOKAZUISHIDA WATARU
    • B23K20/10H01M2/26
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To provide a method and apparatus for ultrasonic bonding that performs stable ultrasonic bonding on a workpiece to be bonded which is sequentially conveyed by a conveying device across the whole area in a conveying direction of the workpiece, and to provide a method for manufacturing an electrode for a battery using the apparatus for the ultrasonic bonding. SOLUTION: A strip of a three-dimensional metal porous body 81 as an electrode plate to be bonded and a strip of a conductor as a lead 82 are conveyed on a sponge belt SB which is the convey device in the same direction, and the three-dimensional metal porous body 81 and the lead 82 are ultrasonically bonded while being pressurized by an anvil 60 and an ultrasonic horn 50. A bonding energy used for the ultrasonic bonding, that is, such as pressure given to the anvil 60 and an ultrasonic output given to the ultrasonic horn 50, is made to be variable in accordance with a change in a conveying speed of the three-dimensional metal porous body 81 and the lead 82 due to the sponge belt SB. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种超声波接合的方法和装置,其在被​​输送装置沿工件的输送方向跨越整个区域顺序地输送的待粘合工件上进行稳定的超声波接合,并且 提供使用超声波接合装置制造电池用电极的方法。 解决方案:作为待接合的电极板的三维金属多孔体81的条带和作为引线82的导体的条带在作为输送装置的同一方向的海绵带SB上输送, 并且三维金属多孔体81和引线82在被砧座60和超声波喇叭50加压的同时被超声波接合。用于超声波接合的接合能量,例如施加到砧座60的压力和 根据由于海绵带SB导致的三维金属多孔体81和导线82的输送速度的变化,使超声波喇叭50的超声波输出变化。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Method for manufacturing nonaqueous electrolyte secondary battery
    • 制造非水电解二次电池的方法
    • JP2014130729A
    • 2014-07-10
    • JP2012287583
    • 2012-12-28
    • Toyota Motor Corpトヨタ自動車株式会社
    • SUGIHARA ATSUSHIUEZONO TOMOYUKIMESHIDA TOMOYANISHIO YOSHINORIWADA NAOYUKIKONISHI HAJIME
    • H01M10/058H01M4/62H01M10/052H01M10/0567H01M10/0569H01M10/0587
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a nonaqueous electrolyte secondary battery in which a material derived from a charge carrier is suppressed from being precipitated by forming a coat of a more preferable mode on the surface of a negative electrode active material.SOLUTION: A manufacturing method of the present invention includes: a step (S10) of preparing a positive electrode and a negative electrode, while a sodium component is contained, as inevitable impurities, in at least the negative electrode; a step (S20) of forming an electrode body using the prepared positive electrode and the negative electrode; a step (S30) of forming an assembly including the electrode body accommodated within a battery case; a first injecting step (S40) of injecting a nonaqueous solvent having a dielectric constant of 10 or less into the battery case; a second injection step (S50) of, after the first injection step, injecting a nonaqueous electrolyte containing a lithium bis(oxalato)borate into the battery case; and a step (S60) of performing initial charge of the assembly.
    • 要解决的问题:提供一种非水电解质二次电池的制造方法,其中来自电荷载体的材料通过在负极活性材料的表面上形成更优选的模式的涂层而被抑制而沉淀。 本发明的制造方法包括:在至少负极中含有作为不可避免的杂质的钠成分的正极和负极的准备工序(S10) 使用所制备的正极和负极形成电极体的步骤(S20); 形成包括容纳在电池壳体内的电极体的组件的步骤(S30) 将介电常数为10以下的非水溶剂注入电池壳体的第一注入工序(S40) 在第一注射步骤之后的第二注射步骤(S50)中,将含有双(草酸)硼酸锂的非水电解质注入到电池壳体中; 以及执行组件的初始充电的步骤(S60)。