Patents Assigned to Storage Technology
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Publication number: 20240162583Abstract: The disclosure provides a design method for a connection sheet, a connection sheet, and an energy storage device. The design method for the connection sheet includes: an area S of a welding region, connectable to a tab, of the connection sheet is obtained; the connection sheet is divided into a first effective region and a second effective region, where the first effective region is a region, having a regular shape, of the connection sheet, the second effective region is a region, connectable to a terminal post, of the connection sheet, the first effective region is implemented as N first effective regions, N?1, and multiple first effective regions are connected on the same side of the second effective region; a gauge size of the first effective region is determined according to S=a*S1, a being in a range of 0.095˜0.96, and S1 being an area of the first effective region.Type: ApplicationFiled: December 1, 2023Publication date: May 16, 2024Applicant: Xiamen Hithium Energy Storage Technology Co., Ltd.Inventor: Hanchuan HUANG
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Publication number: 20240162542Abstract: A manufacturing method of a top cover assembly, a top cover assembly and an energy storage device are provided. The method includes: providing a top cover plate, which is provided with an outlet hole; placing an electrode terminal above one side of the top cover plate to cover the outlet hole, so that a first space is defined between the top cover plate and the electrode terminal; placing a connector on the side of the top cover plate that is used for placing the electrode terminal. The connector has a first end portion surrounding a peripheral surface of the electrode terminal, and the connector has a second end portion in contact with the top cover plate.Type: ApplicationFiled: August 10, 2023Publication date: May 16, 2024Applicants: Shenzhen Hithium Energy Storage Control Technology Co. LTD., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Jinyun LIANG, Liangliang ZHANG, Wancai ZHANG, Ming YANG
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Publication number: 20240162588Abstract: The present disclosure discloses a protective film assembly, applied to an electrode assembly of an energy storage device, and including an insulation sheet for wrapping the electrode assembly and arranged between a housing of the energy storage device and the electrode assembly. The first side surface covering region includes a first covering sub-region and a second covering sub-region which can overlap each other; the second side surface covering region includes a third covering sub-region and a fourth covering sub-region which can overlap each other; the maximum sizes of the first covering sub-region and the second covering sub-region in a thickness direction and height direction of the electrode assembly are equal, so that the first covering sub-region and the second covering sub-region have a high matching degree and a large bonding area. The present disclosure further discloses an energy storage device.Type: ApplicationFiled: March 9, 2023Publication date: May 16, 2024Applicants: Shenzhen Hairun New Energy Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Wenyang ZHOU, Yongfeng XIONG, Ming YANG
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Publication number: 20240162589Abstract: The present disclosure discloses a lower plastic member, a top cover assembly, an energy storage device, and electrical equipment, which can solve the problem of damage to an electrode assembly caused by the fact that a lower plastic member collides with the electrode assembly device and other structures arranged on the battery cell, and prolong the service life of the energy storage device and electrical equipment.Type: ApplicationFiled: March 9, 2023Publication date: May 16, 2024Applicants: Shenzhen Hairun New Energy Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Wenyang ZHOU, Yongfeng XIONG, Ming YANG
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Publication number: 20240162576Abstract: The present disclosure relates to a current collecting component, a battery, and a battery module. The current collecting component includes a current collecting part and a connection part. The current collecting part includes a current collecting region and at least one electrical connection region. The connection part is connected with the current collecting region, wherein a thickness of the current collecting region is greater than a thickness of the electrical connection region.Type: ApplicationFiled: December 20, 2023Publication date: May 16, 2024Applicant: Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Yongfeng XIONG, Weidong XU
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Publication number: 20240159838Abstract: Method for analyzing and predicting state of health of a lithium battery includes: collecting battery data within a predetermined time interval, where the battery data comprises at least battery operating time, current, and voltage; determining a target area based on the battery data; establishing a relationship between a cumulative capacity of the target area and the state of health of the battery; correlating the number of cycles in the current state of the battery with the state of health of the battery using the cumulative capacity of the target area and determining a relationship between the number of cycles and the state of health of the battery; and predicting the state of health of the battery in the future according to the relationship between the number of cycles and the state of health of the battery. The method is simple and easy to operate, and practical as well.Type: ApplicationFiled: November 13, 2023Publication date: May 16, 2024Applicant: Shanghai Makesens Energy Storage Technology Co., Ltd.Inventors: Guopeng ZHOU, Xiaohua CHEN, Pei SONG, Enhai ZHAO, Xiao YAN
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Patent number: 11984624Abstract: A lower plastic assembly, an energy storage apparatus, and an electric device are provided in the disclosure. The lower plastic assembly includes a first lower plastic member. The first lower plastic member includes a first-lower-plastic-member body. The first-lower-plastic-member body further has a first upper surface and a first lower surface. The first upper surface is opposite to the first lower surface. The first-lower-plastic-member body defines a first liquid-injection through-hole. The first liquid-injection through-hole extends through the first-lower-plastic-member body and is located at one end of the first-lower-plastic-member body. A cutout is defined at one side of the first liquid-injection through-hole and is in direct communication with the first liquid-injection through-hole, and the cutout extends through the first upper surface and the first lower surface.Type: GrantFiled: November 29, 2023Date of Patent: May 14, 2024Assignees: Shenzhen Hithium Energy Storage Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Wenyang Zhou, Yongfeng Xiong, Feng Wang
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Publication number: 20240154242Abstract: A firefighting method and system for energy storage, and a storage medium are provided in implementations of the present disclosure. The method includes the following. The BMS turns on a first exhaust fan corresponding to a first battery cluster where a first battery module is disposed to exhaust a preset gas from the energy-storage container, when a first gas detector disposed in the first battery module detects the preset gas. The BMS determines whether to turn on a first firefighting apparatus corresponding to the first battery cluster based on a concentration of the preset gas at each moment in a preset period and a temperature of the first battery module at each moment in the preset period, to extinguish a fire at a battery module in the energy-storage container.Type: ApplicationFiled: April 21, 2023Publication date: May 9, 2024Applicants: Shenzhen Hairun New Energy Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventor: Shangjie FAN
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Publication number: 20240143394Abstract: A heterogeneous computing terminal for task scheduling is provided, including a processing unit and multiple computing units. The heterogeneous computing terminal generates a task scheduling strategy. The target computing unit acquires a target upgrade program, is upgrade based on the target upgrade program, processes a target task and sends a processing result to the processing unit. The processing unit combines processing results sent by multiple target computing units to obtain a processing result of an initial task set. The heterogeneous computing terminal can upgrade the computing unit online, that is, dynamically update the computing unit, thereby greatly expanding the versatility of the computing unit of hardware. Scheduling strategy adapted to the task can be generated, and the computing unit can dynamically provide better task processing capabilities. The computing efficiency of the heterogeneous computing terminal is improved.Type: ApplicationFiled: October 20, 2023Publication date: May 2, 2024Applicant: Shanghai Makesens Energy Storage Technology Co, Ltd.Inventors: Jian ZHAO, Yan MA, Pei SONG, Guopeng ZHOU, Zonglin CAI, Xiao YAN, Enhai ZHAO, Xiaohua CHEN
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Publication number: 20240125857Abstract: A method for calculating a state of charge of a battery is provided. The method includes: estimating a first state of charge of the battery by using a first state of charge estimation algorithm; estimating a second state of charge of the battery by using a second state of charge estimation algorithm; determining a first weight corresponding to the first state of charge and a second weight corresponding to the second state of charge based on state data of the battery; and calculating the state of charge of the battery based on the first state of charge and the first weight, and the second state of charge and the second weight. With method for calculating a state of charge of a battery in the present disclosure, the accuracy of calculating the state of charge of the battery can be improve d with a lower computation cost.Type: ApplicationFiled: September 26, 2023Publication date: April 18, 2024Applicants: Shanghai Makesens Energy Storage Technology Co., Ltd., Shanghai Volta Institute of Digital Battery Energy StorageInventors: Zonglin CAI, Peng DING, Guopeng ZHOU, Enhai ZHAO, Xiao YAN
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Publication number: 20240128513Abstract: A cell includes an electrolyte, a positive electrode sheet, a separator, and a negative electrode sheet. The electrolyte includes a cyclic organic solvent and a linear organic solvent. The electrolyte has a conductivity ? satisfying: ?=k?×?2+kviscosity×?0?kconductivity, where ? represents a mass ratio of the cyclic organic solvent to the linear organic solvent in the electrolyte, k? is a constant for ?, ?3.1?k???2.5, kviscosity represents a constant for a viscosity of the electrolyte, 4.6?kviscosity??5.8, kconductivity represents a correction coefficient for the conductivity of the electrolyte, 0.16?kconductivity?0.39, and ?0 represents a viscosity of the electrolyte at 25° C. The positive electrode sheet, the separator, and the negative electrode sheet are all at least partially immersed in the electrolyte. The separator is located between the negative and positive electrode sheets.Type: ApplicationFiled: December 21, 2023Publication date: April 18, 2024Applicant: Xiamen Hithium Energy Storage Technology Co., Ltd.Inventor: Wenyang ZHOU
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Patent number: 11962045Abstract: An energy storage device includes a current collecting member. The current collecting member includes an adapter and an insulator, the adapter includes a first connecting portion, a fuse portion, and a second connecting portion, and the ratio of the width of the fuse portion to the width of the first connecting portion is in a range from ? to ?. The first connecting portion is provided with first corners, and the second connecting portion is provided with second corners. The insulator is provided with a first protective portion, a second protective portion and a third protective portion. The first protective portion covers the first corners, the second protective portion covers the second corners, the third protective portion covers a first surface of the fuse portion of the adapter, and a second surface of the fuse portion is at least partially exposed from the insulator.Type: GrantFiled: August 7, 2023Date of Patent: April 16, 2024Assignees: Shenzhen Hithium Energy Storage Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Jinyun Liang, Feng Wang
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Publication number: 20240113519Abstract: A method and a device for forecasting an electric load, an electronic device, and a computer-readable storage medium are provided. The method includes: acquiring historical load data prior to a forecast date; generating a load sequence based on the historical load data; performing variational mode decomposition on the load sequence, to obtain multiple intrinsic mode components and a residual that are corresponding to the load sequence; and inputting the multiple intrinsic mode components and the residual into respective forecasting models, and determining a load value on the forecast date based on forecasting results of all the forecasting models. With the method and the device, the electronic device, and the computer-readable storage medium, the load sequence is decomposed based on the variational mode decomposition, so that more dimensional feature information in the load sequence can be mined. Moreover, the residual is also used as valid data.Type: ApplicationFiled: September 6, 2023Publication date: April 4, 2024Applicant: Shanghai Makesens Energy Storage Technology Co., Ltd.Inventors: Decheng WANG, Peng DING, Weikun WU, Haowen REN, Yuan FENG, Wei SONG, Guopeng ZHOU, Zonglin CAI, Xiao YAN, Enhai ZHAO
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Publication number: 20240110985Abstract: A method for monitoring battery cell data comprises: collecting the first set of the battery cell data in real time; retrieving estimation parameter data corresponding to the first set of the battery cell data from a battery cell parameter database in real time; based on the estimation parameter data of the first set of the battery cell data, processing the first set of the battery cell data through a battery model to acquire the second set of the battery cell data in real time; acquiring an error value between the first set and the second set of the battery cell data in real time; acquiring a monitoring result of the first set of the battery cell data in real time based on the error value and an error threshold, the monitoring result is either the error value being greater than the error threshold, or less than the error threshold.Type: ApplicationFiled: September 20, 2023Publication date: April 4, 2024Applicants: Shanghai Makesens Energy Storage Technology Co., Ltd., Shanghai Volta Institute of Digital Battery Energy StorageInventors: Zhimin ZHOU, Pingchao HAO, Zhou YANG, Jie ZHANG, Xuesi ZHANG, Enhai ZHAO, Xiao YAN
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Patent number: 11949123Abstract: A top patch, an energy-storage apparatus, and an electricity-consumption device are provided. The top patch is configured to be attached to the energy-storage apparatus and defines a first pole through-hole and a first elongated hole in a length direction of the top patch, the first elongated hole includes two side walls arranged opposite to each other in a width direction of the top patch, and each of the two side walls is provided with an extension bump; the first elongated hole on one side of the extension bump forms a first explosion-proof valve through-hole, and the first elongated hole on the other side of the extension bump forms a second pole through-hole, and the first pole through-hole is located between the second pole through-hole and the first explosion-proof valve through-hole, and the connecting through-hole communicates with the second pole through-hole and the first explosion-proof valve through-hole.Type: GrantFiled: December 8, 2023Date of Patent: April 2, 2024Assignees: Shenzhen Hithium Energy Storage Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Wenyang Zhou, Yongfeng Xiong, Feng Wang
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Publication number: 20240105263Abstract: In one example, a non-volatile memory system comprises an array of non-volatile memory cells arranged in rows and columns, each non-volatile memory cell comprising a source and a drain; a plurality of bit lines, each of the plurality of bit lines coupled to the drain of each non-volatile memory cell in a column of non-volatile memory cells; a source line coupled to the source of each non-volatile memory cell; and an adaptive bias decoder for providing a voltage to a word line of the array during an operation, wherein the adaptive bias decoder adjusts the voltage provided to the word line in response to changes in a voltage of the source line.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Applicant: Silicon Storage Technology, Inc.Inventors: Hieu Van TRAN, Thuan VU, Stanley HONG, Stephen TRINH, Anh LY, Nhan DO, Mark REITEN
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Publication number: 20240106232Abstract: A thermal-runaway warning method, system, and terminal for a power station are provided. The method comprises: obtaining collected data of a battery module comprised in the power station, wherein the collected data comprises collected temperature values of the battery module collected by temperature measuring devices; normalizing the collected data to obtain a standard dataset; training a CNNLSTM-based temperature predicting model based on the standard dataset to obtain a trained CNNLSTM-based temperature predicting model; and obtaining a predicted temperature value of the battery module within an output time window based on the trained CNNLSTM-based temperature predicting model, and determining whether there is a risk of thermal runaway in the power station based on the predicted temperature value.Type: ApplicationFiled: September 20, 2023Publication date: March 28, 2024Applicant: Shanghai Makesens Energy Storage Technology Co., Ltd.Inventors: Haowen REN, Peng DING, Weikun WU, Decheng WANG, Yuan FENG, Wei SONG, Guopeng ZHOU, Zonglin CAI, Xiao YAN, Enhai ZHAO
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Patent number: 11942646Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. The end cover assembly includes an end cover, an insulating member, a positive pole, a negative pole, a first connecting member, and a second connecting member. The insulating member and the end cover are stacked in a first direction. The insulating member includes a first separate member, a second separate member, a third separate member, and a fourth separate member. The third separate member, the first separate member, and the second separate member cooperatively define a first accommodating space. The fourth separate member, the first separate member, and the second separate member cooperatively define a second accommodating space. The positive pole penetrates through the third separate member and the end cover. The negative pole penetrates through the fourth separate member and the end cover.Type: GrantFiled: December 21, 2023Date of Patent: March 26, 2024Assignees: Shenzhen Hithium Energy Storage Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Wenyang Zhou, Yongfeng Xiong, Jinqiang Chen
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Patent number: 11925825Abstract: A linkage control system and a linkage control method for battery clusters are provided in the disclosure. In the system, when thermal runaway occurs in a certain battery cluster, in the condition that an inhibitor in an isolation-and-suppression device in the battery cluster is in a normal state, the control host can suppress thermal runaway of the battery cluster by the inhibitor in the isolation-and-suppression device. In the condition that the inhibitor in the isolation-and-suppression device is in an abnormal state, the control host can determine, from adjacent battery clusters, a battery cluster capable of supporting an inhibitor, to solve thermal runaway by the inhibitor in the isolation-and-suppression device in the battery cluster.Type: GrantFiled: March 23, 2023Date of Patent: March 12, 2024Assignees: Shenzhen Hithium Energy Storage Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventor: Shangjie Fan
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Publication number: 20240072361Abstract: A household energy storage system and a module fixing structure thereof are provided. The module fixing structure of the household energy storage system includes multiple modules and at least one first fixing member. The modules are stacked in at least one stacking direction; the first fixing member stretches across M modules in a stacking direction in which N modules are stacked, and only two ends of the first fixing member are fixed to two of the modules, respectively; N and M each is a positive integer, N is greater than or equal to 3 and M is less than or equal to N?2. In the above module fixing structure, only two modules of the stacked N modules are fixedly connected to the same first fixing member, and the M modules are not fixedly connected to the first fixing member, which reduces the number of fixed connections.Type: ApplicationFiled: July 10, 2023Publication date: February 29, 2024Applicant: Sungrow Energy Storage Technology Co., Ltd.Inventors: Xiang Shi, Shuqiang Huang