公开(公告)号：US20160013521A1

公开(公告)日：2016-01-14

申请号：US14770514

申请日：2014-02-26

Applicant: NEC Corporation

Inventor： Koji MATSUNAGA ,  Hiroshi KAJITANI ,  Katsuya ONOSE

IPC: H01M10/44 ,  H02J7/00 ,  H01M10/46

CPC classification number: H01M10/443 ,  H01M10/425 ,  H01M10/441 ,  H01M10/46 ,  H01M10/486 ,  H01M2010/4271 ,  H02J7/0054 ,  H02J7/007 ,  H02J7/0075

Abstract: A storage battery (1) including an electric storage unit (10), an auxiliary electric storage unit (11) connected to the electric storage unit (10) in parallel, a temperature measurement unit (13) measuring a temperature, and a charge and discharge control unit (14) controlling charge and discharge of the electric storage unit (10) and the auxiliary electric storage unit (11), in which the charge and discharge control unit (14) changes an SOC (a charge completion SOC) of the electric storage unit (10) and the auxiliary electric storage unit (11) in a charge completion state of not allowing any more charge according to a measurement result of the temperature measurement unit (13), increases the charge completion SOC of the auxiliary electric storage unit (11) when the charge completion SOC of the electric storage unit (10) decreases, and decreases the charge completion SOC of the auxiliary electric storage unit (11) when the charge completion SOC of the electric storage unit (10) increases.

Abstract translation: 一种蓄电池（1），包括蓄电单元（10），与蓄电单元（10）并联连接的辅助蓄电单元（11），测量温度的温度测量单元（13） 控制蓄电单元（10）和辅助蓄电单元（11）的充放电的放电控制单元（14），其中充放电控制单元（14）改变所述充放电控制单元（14）的SOC（充电完成SOC） 在根据温度测量单元（13）的测量结果不再允许充电的充电完成状态下的蓄电单元（10）和辅助蓄电单元（11）增加辅助蓄电单元（10）的充电完成SOC 当蓄电单元（10）的充电完成SOC减小时，并且当蓄电单元（10）的充电完成SOC增加时，减小辅助蓄电单元（11）的充电完成SOC的单元（11） es。

公开(公告)号：US20180164381A1

公开(公告)日：2018-06-14

申请号：US15578376

申请日：2016-06-01

Applicant: NEC Corporation

Inventor： Katsuya ONOSE

IPC: G01R31/36 ,  G01R19/03 ,  H01M10/48

CPC classification number: G01R31/396 ,  G01R19/03 ,  G01R31/025 ,  G01R31/382 ,  H01M10/48 ,  H01M10/486 ,  H02J7/0021

Abstract: The purpose of the present invention is to provide a mounting substrate having reduced size and cost, and a current measurement device for a storage battery. In order to achieve the purpose, this mounting substrate is characterized by having: a heat generating element; a temperature sensor for measuring the temperature of the heat generating element; and a slit that surrounds at least a part of the heat generating element and the temperature sensor. Furthermore this current measurement device for a storage battery measures currents flowing in a plurality of cell sense circuits that measure voltages of a plurality of storage batteries, and the sell sense circuits are provided on the mounting substrate that has the heat generating element, the temperature sensor that measures the temperature of the heat generating element, and the slit that surrounds at least the part of the heat generating element and the temperature sensor, the cell sense circuits being provided with a current calculation unit that obtains the currents on the basis of measurement results obtained by the temperature sensor.

公开(公告)号：US20160049809A1

公开(公告)日：2016-02-18

申请号：US14780119

申请日：2014-03-07

Applicant: NEC CORPORATION

Inventor： Hiroshi KAJITANI ,  Koji MATSUNAGA ,  Katsuya ONOSE

IPC: H02J7/00

CPC classification number: H02J7/0014 ,  H02J7/0013 ,  H02J7/02 ,  H02J7/345

Abstract: A storage battery includes an electricity storage unit (10) including a first battery cell group in which a plurality of first battery cells (10-1, and the like) are connected in series, an auxiliary electricity storage unit (11) including a second battery cell group in which a plurality of second battery cells (11-1, and the like) capable of performing higher-speed charging and discharging in comparison to the first battery cells (10-1, and the like) are connected in series, a voltage adjustment unit (14) that performs voltage adjustment during power delivery between the electricity storage unit (10) and the auxiliary electricity storage unit (11), a first switching unit (12) which is capable of individually connecting the plurality of first battery cells (10-1, and the like) to the voltage adjustment unit (14), and which is capable of connecting the first battery cells to the voltage adjustment unit (14) in an individual combination unit of two or more of the first battery cells (10-1, and the like), and a second switching unit (13) which is capable of individually connecting the plurality of second battery cells (11-1, and the like) to the voltage adjustment unit (14) and which is capable of connecting the second battery cells (11-1, and the like) to the voltage adjustment unit (14) in an individual combination unit of two or more of the second battery cells (11-1).

Abstract translation: 蓄电池包括：蓄电单元（10），其包括多个第一电池单元（10-1等）串联连接的第一电池单元组，辅助蓄电单元（11），包括第二电池单元 与第一电池单元（10-1等）相比，能够进行高速充放电的多个第二电池单元（11-1等）的电池单元组串联连接， 在所述蓄电单元（10）和所述辅助蓄电单元（11）之间进行电力输送时的电压调整的电压调整单元（14），能够分别连接所述多个第一电池 电池单元（10-1等）连接到电压调节单元（14），并且能够以第一电池的两个或更多个的单独组合单元将第一电池单元连接到电压调节单元（14） 细胞（10- 1等）和能够将多个第二电池单元（11-1等）分别连接到电压调节单元（14）并能够连接的第二开关单元（13） 在第二电池单元（11-1）中的两个以上的单独组合单元中的电压调整单元（14）的第二电池单元（11-1等）。