公开(公告)号：US11173775B2

公开(公告)日：2021-11-16

申请号：US15001562

申请日：2016-01-20

Applicant: Ford Global Technologies, LLC

Inventor： Chuan He ,  Xu Wang ,  Haiyan Chen

IPC: B60L50/16 ,  B60W20/13 ,  B60W20/14 ,  B60L7/10 ,  B60W10/06 ,  B60W10/26 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/48 ,  B60K1/04 ,  B60L3/00 ,  B60L58/12 ,  B60L58/15 ,  B60L58/14

Abstract: A vehicle having a traction battery with at least one cell includes a controller coupled to the traction battery and programmed to modify traction battery current in response to a difference between a lithium plating parameter target value and a lithium plating parameter actual value to reduce the difference. The lithium plating parameter or indicator may be based on a differential open circuit voltage of a battery cell, or a ratio of differential voltage of the at least one cell as a function of time to cell charging rate of the at least one cell.

公开(公告)号：US10775438B2

公开(公告)日：2020-09-15

申请号：US16598334

申请日：2019-10-10

Applicant: FORD GLOBAL TECHNOLOGIES, LLC

Inventor： Xu Wang ,  Xiaoguang Chang ,  Chuan He

IPC: G01R31/367 ,  G01R31/3835

Abstract: Lithium ion battery state of charge (SOC) is a function of open circuit voltage (OCV). Battery internal diffusion process needs to be nearly completed to be able to measure battery open circuit voltage. The length of the minimum settling time depends on the battery type, usage and temperature. Described are methods to determine electric vehicle battery voltage relaxation time based on battery temperature and usage history.

公开(公告)号：US20200049772A1

公开(公告)日：2020-02-13

申请号：US16598334

申请日：2019-10-10

Applicant: FORD GLOBAL TECHNOLOGIES, LLC

Inventor： Xu Wang ,  Xiaoguang Chang ,  Chuan He

IPC: G01R31/367 ,  G01R31/3835

Abstract: Lithium ion battery state of charge (SOC) is a function of open circuit voltage (OCV). Battery internal diffusion process needs to be nearly completed to be able to measure battery open circuit voltage. The length of the minimum settling time depends on the battery type, usage and temperature. Described are methods to determine electric vehicle battery voltage relaxation time based on battery temperature and usage history.

公开(公告)号：US10481210B2

公开(公告)日：2019-11-19

申请号：US14330458

申请日：2014-07-14

Applicant: FORD GLOBAL TECHNOLOGIES, LLC

Inventor： Xu Wang ,  Xiaoguang Chang ,  Chuan He

IPC: G01R31/367 ,  G01R31/3835

Abstract: Lithium ion battery state of charge (SOC) is a function of open circuit voltage (OCV). Battery internal diffusion process needs to be nearly completed to be able to measure battery open circuit voltage. The length of the minimum settling time depends on the battery type, usage and temperature. Described are methods to determine electric vehicle battery voltage relaxation time based on battery temperature and usage history.

公开(公告)号：US09676289B2

公开(公告)日：2017-06-13

申请号：US14052649

申请日：2013-10-11

Applicant: Ford Global Technologies, LLC

Inventor： Xiaoguang Chang ,  Chuan He ,  Xu Wang

IPC: B60L11/18 ,  B60L1/00 ,  B60L1/02 ,  B60L3/00 ,  B60L3/10 ,  B60L7/12 ,  B60L11/12 ,  B60L15/20

CPC classification number: B60L11/1862 ,  B60L1/003 ,  B60L1/02 ,  B60L3/0046 ,  B60L3/102 ,  B60L7/12 ,  B60L11/126 ,  B60L11/1805 ,  B60L11/1857 ,  B60L11/187 ,  B60L11/1874 ,  B60L11/1875 ,  B60L11/1877 ,  B60L11/1879 ,  B60L15/20 ,  B60L15/2009 ,  B60L15/2018 ,  B60L2240/12 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/465 ,  B60L2240/545 ,  B60L2240/547 ,  B60L2240/642 ,  B60L2240/647 ,  B60L2240/80 ,  B60L2250/28 ,  B60L2260/56 ,  Y02T10/6217 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7077 ,  Y02T10/72 ,  Y02T10/7275 ,  Y02T10/7291 ,  Y02T90/16

Abstract: Systems and methods for operating a battery pack supplying power to propel a vehicle are disclosed. One example method includes, increasing a battery pack state of charge window in response to a negative grade of a section of road a vehicle is traveling. The method also includes decreasing the battery pack state of charge window in response to the vehicle transitioning from traveling down a section of road having a negative grade to traveling down a section of road that has a positive or zero grade.

公开(公告)号：US09457686B2

公开(公告)日：2016-10-04

申请号：US14264554

申请日：2014-04-29

Applicant: Ford Global Technologies, LLC

Inventor： Xiaoguang Chang ,  Chuan He ,  Xu Wang

IPC: B60L9/00 ,  B60L11/18

CPC classification number: B60L11/1862 ,  B60L11/1857 ,  B60L11/1866 ,  B60L2240/545 ,  B60L2240/547 ,  B60L2240/549 ,  B60W10/00 ,  H02J7/1461 ,  H02J2007/0037 ,  H02J2007/004 ,  Y02T10/7011 ,  Y02T10/7016 ,  Y02T10/7044 ,  Y02T10/7061

Abstract: A hybrid-electric vehicle includes a traction battery. A controller may operate the traction battery within certain state of charge and voltage limits. The controller may define a minimum operating voltage or state of charge below which no power may be requested from the traction battery. The minimum voltage and state of charge may be based on an electrical resistance of the traction battery. The voltage may also be based on a minimum power level required to crank the engine while meeting emissions standards. As the battery ages, the minimum voltage level may be adjusted such that the minimum power level is available at the minimum voltage level.

Abstract translation: 混合电动车辆包括牵引电池。 控制器可以在一定的充电状态和电压限制内操作牵引电池。 控制器可以定义最小工作电压或充电状态，在该状态下，不能从牵引电池请求电力。 最小电压和充电状态可以基于牵引电池的电阻。 电压也可以基于在满足排放标准的情况下起动发动机所需的最小功率水平。 随着电池老化，可以调节最小电压电平，使得最小功率电平在最小电压电平下可用。

公开(公告)号：US20160276843A1

公开(公告)日：2016-09-22

申请号：US14664281

申请日：2015-03-20

Applicant: Ford Global Technologies, LLC

Inventor： Xiaoguang Chang ,  Szushen Ho ,  Xu Wang ,  Chuan He

IPC: H02J7/00 ,  B60L11/18

CPC classification number: B60L11/187 ,  B60L50/50 ,  B60L53/11 ,  B60L53/665 ,  B60L58/13 ,  B60L58/24 ,  B60L2240/545 ,  B60L2240/547 ,  H01M10/44 ,  H01M2220/20 ,  H02J7/008 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T90/121 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/169 ,  Y04S30/14

Abstract: A battery management system for a vehicle includes a controller programmed to charge a battery at a predetermined charge rate. The controller discharges the battery for a predetermined time in response to a terminal voltage of the battery exceeding a predetermined voltage limit that results in a reduced charge rate. After discharging for the predetermined time, the controller resumes charging at the predetermined charge rate. A current magnitude during the discharge and the predetermined time may be based on factors including the predetermined charge rate, a battery temperature, and a charge current magnitude during charging.

Abstract translation: 一种用于车辆的电池管理系统包括被编程为以预定充电速率对电池充电的控制器。 控制器响应于电池的端子电压超过预期的电压限制而使电池放电预定的时间，导致电荷率降低。 在放电预定时间后，控制器以预定的充电速率恢复充电。 放电期间的电流幅度和预定时间可以基于包括预定充电速率，电池温度和充电期间的充电电流幅度的因素。

公开(公告)号：US09448131B2

公开(公告)日：2016-09-20

申请号：US14010971

申请日：2013-08-27

Applicant: Ford Global Technologies, LLC

Inventor： Xiaoguang Chang ,  Xu Wang ,  Josephine S. Lee ,  Chuan He

IPC: G01M3/00 ,  B60L11/18 ,  H01M10/48 ,  H01M10/6565

CPC classification number: G01M3/002 ,  B60L11/187 ,  H01M10/486 ,  H01M10/6565

Abstract: A method of detecting a leak in a battery pack according to an exemplary aspect of the present disclosure includes, among other things, calculating a predicted amount of thermal energy at a position, measuring an actual amount of thermal energy at the position, and comparing the predicted amount to the actual amount to identify if a battery pack is leaking.

Abstract translation: 根据本公开的示例性方面的检测电池组中的泄漏的方法包括：计算在位置处的预测的热能量，测量该位置处的实际热能量，并将 预计达到实际数量以确定电池组是否泄漏。

公开(公告)号：US20160257217A1

公开(公告)日：2016-09-08

申请号：US15157095

申请日：2016-05-17

Applicant: Ford Global Technologies, LLC

Inventor： Xiaoguang Chang ,  Chuan He ,  Xu Wang

IPC: B60L11/18 ,  H02J7/00

CPC classification number: B60L11/1864 ,  B60L11/1861 ,  B60L11/1862 ,  B60L2240/26 ,  B60L2240/545 ,  H02J7/00 ,  H02J7/0029 ,  H02J2007/0037 ,  H02J2007/004 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/7061 ,  Y02T10/7077 ,  Y10S903/903

Abstract: Systems and methods for operating a battery pack supplying power to propel a vehicle are disclosed. One example method comprises, adjusting a battery pack state of charge window in response to vehicle mass. Adjusting the battery pack state of charge window in response to vehicle mass may allow the battery pack to provide an increased amount of energy to a motor so that the motor may provide torque to a driveline for a longer period of time and/or absorb more vehicle generator produced power during vehicle operations.

公开(公告)号：US09428072B2

公开(公告)日：2016-08-30

申请号：US14150986

申请日：2014-01-09

Applicant: Ford Global Technologies, LLC

Inventor： Xiaoguang Chang ,  Josephine S. Lee ,  Xu Wang ,  Chuan He

IPC: B60L11/18

CPC classification number: B60L11/1861 ,  B60L11/1857 ,  B60L11/1862 ,  B60L2260/22 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/7044 ,  Y02T10/705

Abstract: A method for extending the life cycle of a battery includes receiving a storage mode status signal at a battery controller and incrementally adjusting a state of charge window over a period of time in response to receiving the storage mode status signal.

Abstract translation: 一种用于延长电池寿命周期的方法包括在电池控制器处接收存储模式状态信号，响应于接收到存储模式状态信号，在一段时间内递增地调整充电状态窗口。