公开(公告)号：US20140272551A1

公开(公告)日：2014-09-18

申请号：US14197443

申请日：2014-03-05

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hidesato SARUWATARI ,  Masanori TANAKA ,  Dai YAMAMOTO ,  Kazuya KURIYAMA

IPC: H01M4/131

CPC classification number: H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/049 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/058 ,  H01M10/446 ,  H01M2004/021 ,  H01M2300/0037

Abstract: In general, according to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode containing a lithium nickel cobalt manganese composite oxide, and a negative electrode containing a spinel-type lithium titanium composite oxide, and a nonaqueous electrolyte. The nonaqueous electrolyte battery satisfies the formula (1) (0.92Cβ

Abstract translation: 通常，根据一个实施方案，提供非水电解质电池。 非水电解质电池包括含有锂镍钴锰复合氧化物的正极和含有尖晶石型锂钛复合氧化物的负极和非水电解质。 非水电解质电池满足式（1）（0.92C＆bgr;

公开(公告)号：US20150079470A1

公开(公告)日：2015-03-19

申请号：US14478043

申请日：2014-09-05

Applicant: Kabushiki Kaisha Toshiba

Inventor： Tetsuro KANO ,  Hikaru YOSHIKAWA ,  Hidesato SARUWATARI ,  Kazuya KURIYAMA

IPC: H01M4/62 ,  H01M10/052 ,  H01M4/485 ,  H01M4/525 ,  H01M4/131 ,  H01M4/505

CPC classification number: H01M4/625 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/623 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2300/0037 ,  Y02E60/122

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive current collector and a positive electrode material layer formed on the positive electrode current collector. The positive electrode material layer includes a positive electrode active material and a first conductive agent. In a mapping image for the positive electrode material layer, a ratio of an occupancy area of the first conductive agent to an occupancy area of the positive electrode active material is from 1.5 to 5.

Abstract translation: 根据一个实施例，提供一种非水电解质电池。 非水电解质电池包括正极，负极和非水电解质。 该正极包括在正极集电体上形成的正极集电体和正极材料层。 正极材料层包括正极活性物质和第一导电剂。 在正极材料层的映射图中，第一导电剂的占有面积与正极活性物质的占有面积的比率为1.5〜5。

公开(公告)号：US20170365860A1

公开(公告)日：2017-12-21

申请号：US15690326

申请日：2017-08-30

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Dai YAMAMOTO ,  Yuki WATANABE ,  Hidesato SARUWATARI ,  Kazuya KURIYAMA ,  Hideki SATAKE

IPC: H01M4/62 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M10/44 ,  H01M10/0569 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/36

CPC classification number: H01M4/628 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/485 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/446 ,  H01M2220/20 ,  H01M2300/0028 ,  Y02T10/7011 ,  Y10T29/49108

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode includes a negative electrode material layer. The negative electrode material layer includes a negative electrode active material capable of absorbing and releasing lithium at a potential of 0.78 V (vs. Li/Li+) or more. A film containing a compound having a propylene glycol backbone is formed on at least a part of a surface of the negative electrode material layer. A content of the compound having the propylene glycol backbone in the film is 2 μmol to 40 μmol per g of a weight of the negative electrode material layer.

公开(公告)号：US20150380787A1

公开(公告)日：2015-12-31

申请号：US14848890

申请日：2015-09-09

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Haruchika ISHII ,  Kazuya KURIYAMA ,  Toshihide ARIKAWA ,  Hirotada TAHARA ,  Masataka SHIKOTA ,  Hiroki INAGAKI ,  Yuichi KlKUMA ,  Kengo KURATA ,  Hirotaka HAYASHIDA ,  Yoshinao TATEBAYASHI

IPC: H01M16/00 ,  H01M10/06 ,  H01M4/525 ,  H01M4/485 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/131

Abstract: According to an embodiment, there is provided a battery system. The battery system includes a first battery and a second battery connected in parallel with the first battery. The first battery includes a lead storage battery. The second battery includes a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode and a negative electrode. The negative electrode includes a negative-electrode-mixture layer, and the negative-electrode-mixture layer contains lithium titanate. The positive electrode contains a positive electrode active material LiMn2-x(a)xO4. A ratio of a battery capacity of the second battery to a battery capacity of the first battery is in a range of 1/133 to 1/2.

Abstract translation: 根据实施例，提供了一种电池系统。 电池系统包括与第一电池并联连接的第一电池和第二电池。 第一个电池包括一个铅蓄电池。 第二电池包括非水电解质电池。 非水电解质电池包括正极和负极。 负极包括负极混合层，负极混合层含有钛酸锂。 正极含有正极活性物质LiMn 2-x（a）xO 4。 第二电池的电池容量与第一电池的电池容量的比率在1/133至1/2的范围内。

公开(公告)号：US20140147739A1

公开(公告)日：2014-05-29

申请号：US14169943

申请日：2014-01-31

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hiroshi NAKAGAWA ,  Hidesato SARUWATARI ,  Masataka SHIKOTA ,  Kazuko NEWTON ,  Kazuya KURIYAMA

IPC: H01M4/485

CPC classification number: H01M4/485 ,  H01M4/131 ,  H01M10/0525 ,  H01M10/0566 ,  H01M10/486 ,  H01M2004/021 ,  H01M2200/10 ,  Y02T10/7011

Abstract: According to an embodiment, a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode containing a lithium titanium composite oxide having a spinel structure as a negative electrode active material, and a nonaqueous electrolyte, wherein the lithium titanium composite oxide that is the negative electrode active material has an average particle size based on a mass basis of 0.3 μm or more but 0.9 μm or less, and a lithium carbonate content rate of the negative electrode is 0.1% by mass or less per mass of the negative electrode active material, is provided.

Abstract translation: 根据一个实施方案，包括正电极，含有具有尖晶石结构的锂钛复合氧化物的负极作为负极活性物质的非水电解质二次电池和非水电解质，其中作为负极的锂钛复合氧化物 电极活性物质的质量基准的平均粒径为0.3μm以上且0.9μm以下，负极活性物质的质量比为0.1质量％以下， 被提供。

公开(公告)号：US20140134477A1

公开(公告)日：2014-05-15

申请号：US14167288

申请日：2014-01-29

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hiromichi KURIYAMA ,  Hidesato SARUWATARI ,  Kazuya KURIYAMA ,  Shinsuke MATSUNO

IPC: H01M10/0567

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M10/052 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery according to an embodiment includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material. A lithium insertion-extraction reaction potential of a negative electrode active material is higher than the oxidation-reduction potential of lithium by a value of 1 V or more. The nonaqueous electrolyte contains an electrolytic salt, a nonaqueous solvent, at least one hydroxyalkylsulfonic acid, and at least one sulfonate.

Abstract translation: 根据实施方案的非水电解质二次电池包括正极，负极和非水电解质。 负极含有负极活性物质。 负极活性物质的锂插入提取反应电位比锂的氧化还原电位高1V以上。 该非水电解质含有电解质盐，非水溶剂，至少一种羟基烷基磺酸和至少一种磺酸盐。