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公开(公告)号：US20220059863A1
公开(公告)日：2022-02-24
申请号：US17245398
申请日：2021-04-30
申请人： China Energy Investment Corporation Limited , Shenhua New Energy Co., Ltd. , National Institute of Clean-and-Low-Carbon Energy
发明人： Zhien Liu , Dajun Li , Ying Zhang , Weihua Zhou , Xia Yang , Yuqiong Zhang , Jason Wang , Changlei Liu , Brandon Ohara
IPC分类号： H01M8/2485
摘要： The present invention relates to the field of fuel cell stacks and stack tower or module, in particular to a sealing structure for stack tower and a stack tower. The sealing structure comprises a first component, a second component and a mica spacer, the first component and the second component are opposite to each other, the mica spacer is disposed between the first component and the second component, sealing part is arranged between the mica spacer and at least one of the first component and the second component, and the sealing part comprises a glass ceramic layer and an outer circumferential ceramic cement ring surrounding the glass cement layer; the sealing structure for stack tower has excellent sealing performance and service durability for a fuel cell system.
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公开(公告)号：US20220344959A1
公开(公告)日：2022-10-27
申请号：US17241515
申请日：2021-04-27
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ratnesh Sharma , Brandon Ohara , Surinder Singh
IPC分类号： H02J7/00
摘要： A controller, a system including such a controller, and a method for controlling discharging of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determining a voltage distribution parameter of each battery pack based on its maximum voltage, its minimum voltage for discharge, and a present voltage, and calculate a respective discharging share of each battery pack based on the voltage distribution parameter and the maximum total rated power of each battery pack. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from the plurality of battery packs based on the respective discharging share and power of each battery pack and/or keeping a certain battery pack idle.
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公开(公告)号：US20230126838A1
公开(公告)日：2023-04-27
申请号：US17511806
申请日：2021-10-27
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ratnesh Sharma , Surinder Singh , Brandon Ohara
摘要： A controller, a system including such a controller, and a method for controlling discharging of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determine a respective discharge power or discharge share for each battery pack for maximizing objective function (J) of the plurality of battery packs defined in Equation (1). The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from the plurality of battery packs based on the respective discharging share and power of each battery pack and/or keeping a certain battery pack idle.
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公开(公告)号：US20220368150A1
公开(公告)日：2022-11-17
申请号：US17241528
申请日：2021-04-27
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ratnesh Sharma , Brandon Ohara , Surinder Singh
IPC分类号： H02J7/00
摘要： A controller, a system including such a controller, and a method for controlling discharging of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to minimize a corresponding voltage gradient versus charge of each battery pack to be below a predetermined threshold, and calculate a respective discharging share of each battery pack based on the charge and the voltage in an updated curve of voltage versus charge of each battery pack and the total power demand. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from the plurality of battery packs based on the respective discharging share of each battery pack and/or keeping a certain battery pack idle.
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5.发明申请公开(公告)号：US20230117104A1
公开(公告)日：2023-04-20
申请号：US17506153
申请日：2021-10-20
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ratnesh Sharma , Surinder Singh , Brandon Ohara , Motoko Furukawa , Roger Keyes
摘要： A controller, a system including such a controller, and a method for controlling or managing discharge or charge of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determine a respective power discharge or charge for each battery packs based on characteristic data of each battery pack, a power demand, and the first weighting factor (a) and the second weighting factor (b) for power assignment based on voltage and state of charge of each battery pack. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from or charging power to the plurality of battery packs.
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公开(公告)号：US20220294036A1
公开(公告)日：2022-09-15
申请号：US17201529
申请日：2021-03-15
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ratnesh Sharma , Surinder Singh , Peng Yu , You Zhou , Lulu Zhao , Brandon Ohara
摘要： An electrical energy storage system, a controller, and methods of using the same are provided. The system includes battery packs connected in parallel, one or more battery power management unit, one or more power converters, and a controller. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps for discharging or charging. The steps include: reading data including state of health (SOH) and state of charge (SOC) from each battery pack, connecting a respective battery pack with a respective power converter; receiving a power command from an energy management system, calculating a respective power rate of each battery pack based on the data of SOH, SOC, and the power command, and discharging power from battery packs to a grid or charging power to battery packs based on the power rate of each battery pack.
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7.发明申请公开(公告)号：US20230119821A1
公开(公告)日：2023-04-20
申请号：US17506137
申请日：2021-10-20
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ratnesh Sharma , Surinder Singh , Brandon Ohara , Motoko Furukawa , Roger Keyes
摘要： A controller, a system including such a controller, and a method for controlling or managing discharge or charge of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determining a voltage distribution parameter of each battery pack based on its maximum voltage, its minimum voltage for discharge, and a present voltage, assign ranks to the plurality of battery packs based on the voltage distribution parameters, and determine a respective power discharge or charge based on the rank of each battery pack and a total power demand. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from or charging power to the plurality of battery packs.
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8.发明申请公开(公告)号：US20220302724A1
公开(公告)日：2022-09-22
申请号：US17202877
申请日：2021-03-16
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ratnesh Sharma , Surinder Singh , Peng Yu , Brandon Ohara
IPC分类号： H02J7/00
摘要： A battery power management unit (BPMU), an electrical energy storage system comprising one or more such BPMUs, and method of using the same are provided. Such a BPMU includes a microcontroller and one or more processors having at least one tangible, non-transitory machine readable medium encoded with one or more programs. The BPMU is configured to perform steps of: reading data from the internal BMU of a respective battery pack to establish capacity, an energy baseline, state of health (SOH), and an initial value of state of charge (SOC) of the respective battery pack, checking voltage and current at a time interval, calculating power of the respective battery pack, determining and updating battery date such as SOH and SOC, and transmitting updated battery data to a system controller for controlling discharging power from or charging power to the respective battery pack.
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