公开(公告)号：US20170271717A1

公开(公告)日：2017-09-21

申请号：US15457335

申请日：2017-03-13

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasunobu YAMASHITA ,  Kazuki ISE ,  Shinsuke MATSUNO ,  Norio TAKAMI ,  Hiroki INAGAKI

IPC: H01M10/36 ,  H01M4/62 ,  H01M4/66 ,  H01M4/58 ,  H01M4/505 ,  H01M4/525 ,  H01M4/485 ,  H01M4/36

CPC classification number: H01M10/36 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/625 ,  H01M4/628 ,  H01M4/661 ,  H01M4/663 ,  H01M4/667 ,  H01M2220/20 ,  H01M2300/0014

Abstract: According to one embodiment, a secondary battery including a positive electrode, a negative electrode, and an electrolyte solution is provided. The negative electrode includes a negative electrode current collector, and a negative electrode mixed-materials layer disposed on the negative electrode current collector. The negative electrode current collector has a carbon-including coating layer on at least a part of the surface thereof. The negative electrode mixed-materials layer includes a negative electrode active material including a titanium-including oxide. The electrolyte solution includes an aqueous solvent and an electrolyte.

公开(公告)号：US20170271673A1

公开(公告)日：2017-09-21

申请号：US15259584

申请日：2016-09-08

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yasuyuki HOTTA ,  Takashi KUBOKI ,  Shinsuke MATSUNO

IPC: H01M4/583 ,  H01M4/36 ,  H01M4/48 ,  H01M10/42

CPC classification number: H01M4/583 ,  H01M4/13 ,  H01M4/364 ,  H01M4/386 ,  H01M4/483 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/4207 ,  H01M10/425 ,  H01M2004/027

Abstract: An electrode material for a nonaqueous electrolyte battery of the present embodiment includes a composite particle containing a carbonaceous material. A peak half-width of d-band measured from a Raman spectrum of the carbonaceous material is at 150 cm−1 or more. A ratio Lc/La of a crystallite size Lc in a c-axis direction observed at 20° to 26° in a X-ray diffraction to a crystallite size La in an a-axis direction observed at 40° to 44° is 0.7 or less.

公开(公告)号：US20170222272A1

公开(公告)日：2017-08-03

申请号：US15457406

申请日：2017-03-13

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norio TAKAMI ,  Yasunobu YAMASHITA ,  Shinsuke MATSUNO ,  Yasuhiro HARADA ,  Hiroki INAGAKI

IPC: H01M10/38 ,  H01M4/485

Abstract: According to one embodiment, a secondary battery including a positive electrode, a negative electrode, and an electrolyte is provided. The negative electrode includes titanium-containing oxide and at least one kind of element selected from the group consisting of B, P, Al, La, Zr, Ge, Zn, Sn, Ga, Pb, In, Bi, and Tl. The electrolyte includes lithium ions and a solvent containing water.

公开(公告)号：US20170025723A1

公开(公告)日：2017-01-26

申请号：US15125873

申请日：2014-03-19

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yoshiyuki ISOZAKI ,  Norio TAKAMI ,  Shinsuke MATSUNO ,  Yasuhiro HARADA

IPC: H01M10/6555 ,  H01M4/58 ,  H01M4/485 ,  H01M2/20 ,  H01M10/48 ,  H01M10/625 ,  H01M2/10 ,  H01M10/0525 ,  H01M10/0587

CPC classification number: H01M10/6555 ,  H01M2/0245 ,  H01M2/1077 ,  H01M2/206 ,  H01M4/485 ,  H01M4/5825 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/486 ,  H01M10/625 ,  H01M2220/20 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery (1) includes a 1st electrode group (2) and a 2nd electrode group (3) which are obtained by laminating a positive electrode, a negative electrode and a separator; a nonaqueous electrolyte; an exterior material (7) which encloses the 1st electrode group (2), the 2nd electrode group (3) and the nonaqueous electrolyte; a positive electrode lead (4) which is connected to the 1st electrode group (2); a negative electrode lead (5) which is connected to the 2nd electrode group (3); and a connection lead (6) which connects the 1st electrode group (2) and the 2nd electrode group (3), wherein the exterior material (7) includes a 1st housing part which houses the 1st electrode group (2), a 2nd housing part which houses the 2nd electrode group (3), and a connection part (8C) which connects the 1st housing part and the 2nd housing part.

Abstract translation: 非水电解质二次电池（1）包括通过层压正极，负极和隔膜获得的第一电极组（2）和第二电极组（3）; 非水电解质; 包围第一电极组（2），第二电极组（3）和非水电解质的外部材料（7） 与第一电极组（2）连接的正极引线（4）; 与第二电极组（3）连接的负极引线（5）; 以及连接第一电极组（2）和第二电极组（3）的连接引线（6），其中外部材料（7）包括容纳第一电极组（2）的第一壳体部分，第二壳体 容纳第二电极组（3）的部分和连接第一壳体部分和第二壳体部分的连接部分（8C）。

公开(公告)号：US20160285094A1

公开(公告)日：2016-09-29

申请号：US15079065

申请日：2016-03-24

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yumiko KITA ,  Asato KONDO ,  Takashi KUBOKI ,  Shinsuke MATSUNO

IPC: H01M4/583 ,  H01M4/62 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/42 ,  H01M4/133 ,  H01M4/38

CPC classification number: H01M4/386 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/364 ,  H01M4/587 ,  H01M10/052 ,  H01M10/425

Abstract: In one embodiment, a negative electrode for a nonaqueous electrolyte secondary battery is a negative electrode which is provided with a metal foil collector, and an negative electrode mixture layer formed on a surface of the metal foil collector, containing a negative electrode active material particle having a carbonaceous material and metal or an oxide of the metal dispersed in the carbonaceous material, a conductive agent, and a binding agent, and the negative electrode mixture layer has an average value of a cutting strength of not less than 0.6 kN/m, and a standard deviation of not less than 0.05 kN/m and not more than 0.2 kN/m, when the negative electrode mixture layer is cut at a portion distant from an interface in a prescribed horizontal direction, by a borazon blade with a blade width of 1 mm, at a rake angle θS of 20 degrees, and a relief angle θN of 10 degrees, and at a horizontal speed of 2 μm/sec.

Abstract translation: 在一个实施方式中，非水电解质二次电池用负极是设置有金属箔集电体的负极和形成在金属箔集电体的表面上的负极混合层，其含有负极活性物质粒子， 分散在碳质材料中的碳质材料和金属或金属或氧化物，导电剂和粘合剂，负极混合物层的切割强度的平均值不小于0.6kN / m，以及 当通过具有刀片宽度的硼砂刀片将负极混合物层在规定的水平方向上远离界面的部分切割时，不小于0.05kN / m且不大于0.2kN / m的标准偏差 倾斜角θS为20度，仰角θN为10度，水平速度为2μm/秒。

公开(公告)号：US20150086862A1

公开(公告)日：2015-03-26

申请号：US14478128

申请日：2014-09-05

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norikazu OSADA ,  Shinsuke MATSUNO ,  Keiko OKAMOTO ,  Takayuki FUKASAWA ,  Takashi KUBOKI

IPC: H01M10/0567 ,  H01M10/05 ,  H01M4/36

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M4/364 ,  H01M4/366 ,  H01M4/483 ,  H01M10/052 ,  H01M2300/0025 ,  H01M2300/0034 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery of an embodiment includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The electrolyte contains an organic solvent with a lithium salt dissolved therein and an additive. An active material of the negative electrode contains at least one metal selected from Si and Sn, at least one or more selected from an oxide of the metal and an alloy containing the metal, and a carbonaceous matter. A fluorine concentration of a film A formed on the metal, the oxide of the metal, or the alloy containing the metal in the negative electrode active material is higher than a fluorine concentration of a film B formed on the carbonaceous matter, the additive includes at least one compound containing fluorine and at least one compound containing no fluorine, or an electrolyte after initial charge contains at least one fluorine-containing additive.

Abstract translation: 实施方式的非水电解质二次电池包括正极，负极和非水电解质。 电解质含有溶解有锂盐的有机溶剂和添加剂。 负极的活性物质含有选自Si和Sn中的至少一种金属，选自金属的氧化物和含有金属的合金中的至少一种以上，以及碳质物质。 形成在金属上的膜A，金属的氧化物或含有金属的合金在负极活性物质中的氟浓度高于在碳质物质上形成的膜B的氟浓度，添加剂包括在 至少一种含氟和至少一种不含氟化合物的化合物，或初始充电后的电解质含有至少一种含氟添加剂。

公开(公告)号：US20150086853A1

公开(公告)日：2015-03-26

申请号：US14482166

申请日：2014-09-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Shinsuke MATSUNO ,  Norikazu OSADA ,  Keiko OKAMOTO ,  Tomokazu MORITA ,  Takashi KUBOKI

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/485 ,  H01M4/131 ,  H01M4/134

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/134 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M10/0525 ,  H01M2004/021 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery of an embodiment includes an exterior member, a cathode including a cathode active material layer housed in the exterior member, an anode including an anode active material layer housed in the exterior member and spatially separated from the cathode by a separator, and a nonaqueous electrolyte filled in the exterior member. The cathode active material layer contains lithium-copper oxide and copper oxide. A peak intensity ratio d(002)/d(010) between a plane index d(010) derived from the lithium-copper oxide and a plane index d(002) derived from the copper oxide is not lower than 0.1 and not higher than 0.5 at an X-ray diffraction peak.

Abstract translation: 实施方式的非水电解质二次电池包括外部构件，包含容纳在外部构件中的正极活性物质层的阴极，包含负极活性物质层的阳极，阳极活性物质层容纳在外部构件中并通过隔膜与阴极空间分离， 以及填充在外部构件中的非水电解质。 正极活性物质层含有氧化铜 - 氧化铜和氧化铜。 从氧化铜 - 氧化铜衍生的平面折射率d（010）与来自氧化铜的平面折射率d（002）之间的峰强度比d（002）/ d（010）不小于0.1且不高于 0.5的X射线衍射峰。