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1. 发明授权

US08624560B2 Controlling battery charging based on current, voltage and temperature 有权
标题翻译：根据电流，电压和温度控制电池充电
公开(公告)号：US08624560B2
公开(公告)日：2014-01-07
申请号：US12480581
申请日：2009-06-08
申请人： P. Jeffrey Ungar , Thomas C. Greening , William C. Athas , J. Douglas Field , Richard M. Mank
发明人： P. Jeffrey Ungar , Thomas C. Greening , William C. Athas , J. Douglas Field , Richard M. Mank
IPC分类号： H02J7/04 , H02J7/00
CPC分类号： H02J7/0091 , H01M4/505 , H01M4/525 , H01M4/5815 , H01M4/582 , H01M4/5825 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M10/44 , H01M10/443 , H01M10/48 , H01M10/486
摘要： Some embodiments of the present invention provide a system that charges a lithium-ion battery. During operation, the system monitors: a current through the battery, a voltage of the battery, and a temperature of the battery. Next, the system uses the monitored current, voltage and temperature to control a charging process for the battery. In some embodiments, controlling the charging process involves: inferring electrode lithium surface concentrations for the battery from the monitored current, voltage and temperature; and applying the charging current and/or the charging voltage in a manner that maintains the inferred electrode lithium surface concentrations for the battery within set limits.
摘要翻译：本发明的一些实施例提供了对锂离子电池充电的系统。在运行过程中，系统监视：通过电池的电流，电池的电压以及电池的温度。接下来，系统使用监控的电流，电压和温度来控制电池的充电过程。在一些实施例中，控制充电过程包括：从监测的电流，电压和温度推断电池的电极锂表面浓度; 以及将电池的推定电极锂表面浓度维持在设定限度内的方式施加充电电流和/或充电电压。

2. 发明授权

US08541999B2 Controlling power loss in a switched-capacitor power converter 有权
标题翻译：控制开关电容电源转换器的功率损耗
公开(公告)号：US08541999B2
公开(公告)日：2013-09-24
申请号：US12783728
申请日：2010-05-20
申请人： William C. Athas , Thomas C. Greening
发明人： William C. Athas , Thomas C. Greening
IPC分类号： G05F1/00 , H02M3/18
CPC分类号： H02M3/07 , H02M2001/0048 , Y02B70/1491
摘要： The disclosed embodiments relate to a system that implements a switched-capacitor power converter which is configured to actively control power loss while converting an input voltage to an output voltage. This system includes one or more switched-capacitor blocks (SCBs), wherein each SCB includes a first capacitor and a set of switching devices configured to couple a constant-potential terminal and a time-varying-potential terminal of the first capacitor between the input voltage, the output voltage and a reference voltage. The system also includes a clocking circuit which produces gate drive signals for switching transistors in the one or more SCBs. The system additionally includes a controller configured to actively control the gate drive signals from the clocking circuit to substantially minimize the power loss for the switched-capacitor power converter.
摘要翻译：所公开的实施例涉及实现开关电容器功率转换器的系统，其被配置为在将输入电压转换为输出电压的同时主动地控制功率损耗。该系统包括一个或多个开关电容器块（SCB），其中每个SCB包括第一电容器和一组开关器件，其被配置为将第一电容器的恒定电位端子和时变电位端子耦合在输入端电压，输出电压和参考电压。该系统还包括产生用于在一个或多个SCB中的开关晶体管的栅极驱动信号的时钟电路。该系统还包括控制器，其被配置为主动地控制来自时钟电路的栅极驱动信号，以基本上最小化开关电容器功率转换器的功率损耗。

3. 发明申请

US20090256528A1 DIFFUSION-LIMITED ADAPTIVE BATTERY CHARGING 有权
标题翻译：扩充电池充电
公开(公告)号：US20090256528A1
公开(公告)日：2009-10-15
申请号：US12242641
申请日：2008-09-30
申请人： Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
发明人： Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
IPC分类号： H02J7/00 , H01M2/00
CPC分类号： H02J7/007 , G01P3/56 , G01P15/00 , H01M2/00 , H01M10/0525 , H01M10/44 , H01M10/443 , H01M10/48 , H01M2300/00 , H02J7/00 , H02J7/0042 , H02J7/0052 , H02J7/0072 , Y02E60/122 , Y02T10/7011
摘要： Some embodiments of the present invention provide a system that adaptively charges a battery, wherein the battery is a lithium-ion battery which includes a transport-limiting electrode governed by diffusion, an electrolyte separator and a non-transport-limiting electrode. During operation, the system determines a lithium surface concentration at an interface between the transport-limiting electrode and the electrolyte separator based on a diffusion time for lithium in the transport-limiting electrode. Next, the system calculates a charging current or a charging voltage for the battery based on the determined lithium surface concentration. Finally, the system applies the charging current or the charging voltage to the battery.
摘要翻译：本发明的一些实施例提供一种对电池进行自适应充电的系统，其中电池是锂离子电池，其包括由扩散控制的传输限制电极，电解质分离器和非传输限制电极。在操作期间，系统基于传输限制电极中的锂的扩散时间来确定传输限制电极和电解质隔板之间的界面处的锂表面浓度。接下来，系统基于所确定的锂表面浓度计算电池的充电电流或充电电压。最后，系统将充电电流或充电电压施加到电池。

4. 发明授权

US08575896B2 Parallel battery architecture with shared bidirectional converter 有权
标题翻译：具有共享双向转换器的并行电池架构
公开(公告)号：US08575896B2
公开(公告)日：2013-11-05
申请号：US12555968
申请日：2009-09-09
申请人： Thomas C. Greening , William C. Athas , P. Jeffrey Ungar
发明人： Thomas C. Greening , William C. Athas , P. Jeffrey Ungar
IPC分类号： H02J7/00
CPC分类号： G06F1/189 , G06F1/26 , H01M10/052 , H01M10/4207 , H01M10/441 , H01M10/482 , H02J7/0013 , H02J2007/0067 , H02M3/1582
摘要： Some embodiments provide a system that provides a power source. The power source includes a set of cells and a main power bus configured to connect the set of cells in a parallel configuration. The power source also includes a bidirectional converter configured to connect to one cell from the set of cells at a time. Finally, the power source includes a set of switches configured to switch each cell in the set of cells to one of the main power bus and the bidirectional converter.
摘要翻译：一些实施例提供了提供电源的系统。电源包括一组单元和配置成以并联配置连接该组单元的主电源总线。电源还包括双向转换器，其被配置为一次连接到该组单元中的一个单元。最后，电源包括一组开关，其被配置为将该组单元中的每个单元切换到主电源总线和双向转换器之一。

5. 发明申请

US20120153728A1 BALANCING VOLTAGES BETWEEN BATTERY BANKS 有权
标题翻译：电池之间的平衡电压
公开(公告)号：US20120153728A1
公开(公告)日：2012-06-21
申请号：US13360980
申请日：2012-01-30
申请人： William C. Athas , Thomas C. Greening
发明人： William C. Athas , Thomas C. Greening
IPC分类号： H02J1/00
CPC分类号： H02J7/0019 , H02J7/0016 , H02M3/07 , Y10T307/696
摘要： A system that balances voltages between battery banks. The system includes battery banks, including a first bank and a second bank, and a first capacitor. The system also includes a first set of switching devices which selectively couple first and second terminals of the first capacitor to first and second terminals of the first bank, and to first and second terminals of the second bank. The system includes a clocking circuit which generates clock signals with substantially non-overlapping first and second clock phases. This clocking circuit is configured so that during the first phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the first bank, respectively, and during the second phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the second bank, respectively.
摘要翻译：一种平衡电池组之间电压的系统。该系统包括包括第一组和第二组以及第一电容器的电池组。该系统还包括第一组开关装置，其将第一电容器的第一和第二端子选择性地耦合到第一组的第一和第二端子以及第二组的第一和第二端子。该系统包括产生具有基本上不重叠的第一和第二时钟相位的时钟信号的时钟电路。该时钟电路被配置为使得在第一阶段期间，第一电容器的第一和第二端子分别耦合到第一组的第一和第二端子，并且在第二阶段期间，第一电容器的第一和第二端子是分别耦合到第二组的第一和第二端子。

6. 发明申请

US20090273320A1 CONTROLLING BATTERY CHARGING BASED ON CURRENT, VOLTAGE AND TEMPERATURE 有权
标题翻译：基于电流，电压和温度控制电池充电
公开(公告)号：US20090273320A1
公开(公告)日：2009-11-05
申请号：US12480581
申请日：2009-06-08
申请人： P. Jeffrey Ungar , Thomas C. Greening , William C. Athas , J. Douglas Field , Richard M. Mank
发明人： P. Jeffrey Ungar , Thomas C. Greening , William C. Athas , J. Douglas Field , Richard M. Mank
IPC分类号： H02J7/04
CPC分类号： H02J7/0091 , H01M4/505 , H01M4/525 , H01M4/5815 , H01M4/582 , H01M4/5825 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M10/44 , H01M10/443 , H01M10/48 , H01M10/486
摘要： Some embodiments of the present invention provide a system that charges a lithium-ion battery. During operation, the system monitors: a current through the battery, a voltage of the battery, and a temperature of the battery. Next, the system uses the monitored current, voltage and temperature to control a charging process for the battery. In some embodiments, controlling the charging process involves: inferring electrode lithium surface concentrations for the battery from the monitored current, voltage and temperature; and applying the charging current and/or the charging voltage in a manner that maintains the inferred electrode lithium surface concentrations for the battery within set limits.
摘要翻译：本发明的一些实施例提供了对锂离子电池充电的系统。在运行过程中，系统监视：通过电池的电流，电池的电压以及电池的温度。接下来，系统使用监控的电流，电压和温度来控制电池的充电过程。在一些实施例中，控制充电过程包括：从监测的电流，电压和温度推断电池的电极锂表面浓度; 以及将电池的推定电极锂表面浓度维持在设定限度内的方式施加充电电流和/或充电电压。

7. 发明授权

US08754611B2 Diffusion-limited adaptive battery charging 有权
标题翻译：扩散限制自适应电池充电
公开(公告)号：US08754611B2
公开(公告)日：2014-06-17
申请号：US12242641
申请日：2008-09-30
申请人： Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
发明人： Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
IPC分类号： H02J7/00 , H01M2/00
CPC分类号： H02J7/007 , G01P3/56 , G01P15/00 , H01M2/00 , H01M10/0525 , H01M10/44 , H01M10/443 , H01M10/48 , H01M2300/00 , H02J7/00 , H02J7/0042 , H02J7/0052 , H02J7/0072 , Y02E60/122 , Y02T10/7011
摘要： Some embodiments of the present invention provide a system that adaptively charges a battery, wherein the battery is a lithium-ion battery which includes a transport-limiting electrode governed by diffusion, an electrolyte separator and a non-transport-limiting electrode. During operation, the system determines a lithium surface concentration at an interface between the transport-limiting electrode and the electrolyte separator based on a diffusion time for lithium in the transport-limiting electrode. Next, the system calculates a charging current or a charging voltage for the battery based on the determined lithium surface concentration. Finally, the system applies the charging current or the charging voltage to the battery.
摘要翻译：本发明的一些实施例提供一种对电池进行自适应充电的系统，其中电池是锂离子电池，其包括由扩散控制的传输限制电极，电解质分离器和非传输限制电极。在操作期间，系统基于传输限制电极中的锂的扩散时间来确定传输限制电极和电解质隔板之间的界面处的锂表面浓度。接下来，系统基于所确定的锂表面浓度计算电池的充电电流或充电电压。最后，系统将充电电流或充电电压施加到电池。

8. 发明申请

US20100308770A1 METHOD AND SYSTEM FOR CHARGING A SERIES BATTERY 有权
标题翻译：用于充电系列电池的方法和系统
公开(公告)号：US20100308770A1
公开(公告)日：2010-12-09
申请号：US12479343
申请日：2009-06-05
申请人： Steven C. Michalske , Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
发明人： Steven C. Michalske , Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
IPC分类号： H02J7/04 , H02J7/00
CPC分类号： H02J7/0013 , H02J7/0021
摘要： Some embodiments of the present invention provide a system for charging a series battery, wherein the series battery is comprised of a set of banks which are connected in series, so that the same charging current passes through each bank. During the charging process, the system measures a voltage across each bank in the set of banks. The system then compares the measured voltage with a target voltage for each bank, and adjusts the charging process based on results of the comparisons between the measured voltage and the target voltage.
摘要翻译：本发明的一些实施例提供了一种用于对串联电池充电的系统，其中串联电池由串联连接的一组组组成，使得相同的充电电流通过每个组。在充电过程中，系统测量该组银行中每个银行的电压。然后，系统将测量的电压与每个组的目标电压进行比较，并根据测量电压和目标电压之间的比较结果调整充电过程。

9. 发明申请

US20090259420A1 ADAPTIVE SURFACE CONCENTRATION BATTERY CHARGING 有权
标题翻译：自适应表面浓度电池充电
公开(公告)号：US20090259420A1
公开(公告)日：2009-10-15
申请号：US12242700
申请日：2008-09-30
申请人： Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
发明人： Thomas C. Greening , P. Jeffrey Ungar , William C. Athas
IPC分类号： G01R31/36 , H02J7/04 , H01M6/00
CPC分类号： H02J7/0072 , H01M4/364 , H01M4/525 , H01M4/5815 , H01M4/5825 , H01M4/587 , H01M10/0525 , H01M10/0566 , H01M10/44 , Y02E60/122 , Y02T10/7011
摘要： Some embodiments of the present invention provide a system that adaptively charges a battery, wherein the battery is a lithium-ion battery which includes a transport-limiting electrode, an electrolyte separator and a non-transport-limiting electrode. To charge the battery, the system first determines a lithium surface concentration at an interface between the transport-limiting electrode and the electrolyte separator. Next, the system uses the determined lithium surface concentration to control a charging process for the battery so that the charging process maintains the lithium surface concentration within set limits.
摘要翻译：本发明的一些实施例提供了一种对电池进行自适应充电的系统，其中电池是锂离子电池，其包括传输限制电极，电解质分离器和非传输限制电极。为了对电池充电，系统首先确定在传输限制电极和电解质分离器之间的界面处的锂表面浓度。接下来，系统使用确定的锂表面浓度来控制电池的充电过程，使得充电过程将锂表面浓度保持在设定的限度内。

10. 发明授权

US08933665B2 Balancing voltages between battery banks 有权
标题翻译：平衡电池组之间的电压
公开(公告)号：US08933665B2
公开(公告)日：2015-01-13
申请号：US13360980
申请日：2012-01-30
申请人： William C. Athas , Thomas C. Greening
发明人： William C. Athas , Thomas C. Greening
IPC分类号： H02J7/00 , H02M3/07
CPC分类号： H02J7/0019 , H02J7/0016 , H02M3/07 , Y10T307/696
摘要： A system that balances voltages between battery banks. The system includes battery banks, including a first bank and a second bank, and a first capacitor. The system also includes a first set of switching devices which selectively couple first and second terminals of the first capacitor to first and second terminals of the first bank, and to first and second terminals of the second bank. The system includes a clocking circuit which generates clock signals with substantially non-overlapping first and second clock phases. This clocking circuit is configured so that during the first phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the first bank, respectively, and during the second phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the second bank, respectively.
摘要翻译：一种平衡电池组之间电压的系统。该系统包括包括第一组和第二组以及第一电容器的电池组。该系统还包括第一组开关装置，其将第一电容器的第一和第二端子选择性地耦合到第一组的第一和第二端子以及第二组的第一和第二端子。该系统包括产生具有基本上不重叠的第一和第二时钟相位的时钟信号的时钟电路。该时钟电路被配置为使得在第一阶段期间，第一电容器的第一和第二端子分别耦合到第一组的第一和第二端子，并且在第二阶段期间，第一电容器的第一和第二端子是分别耦合到第二组的第一和第二端子。

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