Shanghai Makesens Energy Storage Technology Co., Ltd.

Successfactors, Inc.

International Business Machines Corporation

Sap Se

Bobst (shanghai) Ltd.

Shanghai Volta Institute of Digital Battery Energy Storage

Xiao Yan

Enhai Zhao

Pingchao Hao

Xiaohua Chen

Pei Song

Guopeng Zhou

Peng Ding

Weikun Wu

Peter Zhao

Zonglin Cai

Sally Weng

Danfei Gu

Jian Zhao

Haowen Ren

Min Fang

Yi Chen

Hui Gu

Wei Song

Fangling Liu

Zhou Yang

Yuan Feng

Zhimin Zhou

Ludovic Gortais

Dongzheng Wang

Yingjie Weng

Yanwen Zhang

Mingchen Jiang

Decheng Wang

Yan Ma

Yunkai Wu

Qiong Wei

The invention discloses a method, a system, a device, and a medium for detecting a battery state of health. The method includes extracting a target curve segment from a first charging characteristic curve of a battery under test; and determining, according to a corresponding relation between characteristic parameters of the target curve segment and the battery state of health, the battery state of health matching the characteristic parameters of the target curve segment, and determining the battery state of health as the battery state of health of the battery under test. By utilizing said corresponding relation as the calculation basis, the invention improves the reliability and accuracy of the detection of battery state of health detection. The invention also tracks instances of abusive conditions that accelerate battery aging, assessing whether such conditions accelerate battery degradation and issuing warnings accordingly.

Method, system, device and medium for detecting battery state of health

A hot-plugging edge computing system includes at least an elastic database, a data processing module, and hot-plugging computing modules. The elastic database is configured to store data through an SSD array with a configurable number of SSDs. The data processing module is connected to the elastic database and each of the hot-plugging computing modules, and controls data storage in the elastic database, monitors and assigns a task to each of the hot-plugging computing modules. Each of the hot-plugging computing modules performs data computing based on the corresponding task assigned by the data processing module, and returns a computing result to the corresponding data processing module.

Hot-plugging edge computing terminal hardware architecture and system

A battery overheat warning method, a battery overheat warning system, a storage medium, and an electronic device are provided. The battery overheat warning method comprises: obtaining working condition parameters and geometric parameters of a battery; obtaining a theoretical temperature of a target position in the battery based on the working condition parameters and the geometric parameters of the battery; obtaining an actual temperature of the target position in the battery by using a temperature transducer; and sending an overheat warning signal based on the theoretical temperature and the actual temperature of the target position in the battery. The battery overheat warning method has relatively high timeliness and accuracy.

Method for warning battery overheat

The invention provides methods, devices and non-transitory tangible computer-readable storage media for estimating a state of charge of a battery and extracting a charging curve of the battery. The method for estimating the state of charge of the battery includes estimating a first state of charge of the battery; determining a charging curve that conforms to the present charging scenario, wherein the present charging scenario is characterized by at least one of parameters including an ambient temperature, a charging rate, an internal resistance, a state of health, a lifespan, and an open circuit voltage of the battery; and correcting the first state of charge according to the charging curve to obtain a final state of charge of the battery.

Methods and devices for estimating state of charge of battery, and extracting charging curve of battery

A method, an apparatus and a device for identifying battery parameters, and a storage medium are provided. The method includes: determining to-be-identified parameters of the battery and determining an initial population; performing a screening step with the initial population as a current population: for at least part of individuals in the current population, updating positions of the individuals in the current population through local optimization and generating corresponding first individuals, and updating the positions of the individuals in the current population through Levy flight and generating corresponding second individuals; selecting an optimal individual according to fitness of the individuals in the current population and the corresponding first individuals and the corresponding second individuals, as an individual in the next generation population; repeating the above screening step until a termination condition is met, to obtain a final population; and determining the to-be-identified parameters included in the optimal individual in the final population as the parameters of the battery. With the method, the apparatus and the device for identifying battery parameters and the storage medium, the speed of parameter identification is effectively improved.

Method, apparatus and device for identifying battery parameters and storage medium

A method for establishing an electrochemical model for an ion battery is provided. The ion battery includes a negative electrode region, a positive electrode region, and a diaphragm arranged between the negative electrode region and the positive electrode region. The negative electrode region includes a negative electrode current collector, a negative electrode liquid phase and a negative electrode solid phase. The positive electrode region includes a positive electrode current collector, a positive electrode liquid phase and a positive electrode solid phase. The method includes: defining negative electrode parameters for describing a solid-liquid interface structure between the negative electrode liquid phase and the negative electrode solid phase in the negative electrode region and positive electrode parameters for describing a solid-liquid interface structure between the positive electrode liquid phase and the positive electrode solid phase in the positive electrode region; establishing a partial differential equation set and a boundary condition for describing a charging process and a discharging process of the ion battery based on the negative electrode parameters and the positive electrode parameters; and solving the partial differential equation set to establish the electrochemical model for the ion battery. Each of the solid-liquid interface structure in the negative electrode region and the solid-liquid interface structure in the positive electrode region is a folded structure, and includes multiple repeated folded substructures.

Method for establishing electrochemical model for ion battery

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.

Method and device for forecasting electric load, and electronic device

An ASIC chip for performing active battery equalization is provided. The ASIC chip for performing active battery equalization includes: a power conversion module, an equalization switch matrix circuit module comprising a power MOS transistor, a switch control module, a temperature protection module, and a communication interface module. By connecting and controlling the above modules, the equalization switch matrix circuit module performs equalization on a battery in the battery pack. That is, the use of the integrated ASIC chip accelerates and facilitates the BMS solution manufacturers adding the active equalization function, and facilitates the BMS Battery management system effectively improving the service performance and life of lithium batteries.

ASIC chip for performing active battery equalization

The invention discloses a system for dynamic management and control of a lithium battery energy storage system and an electronic device. A battery management system (BMS) is configured to read a present operation data stream of each cell. A diagnosis apparatus is configured to extract a key battery parameter of said each cell from the present operation data stream and consistency thereof, compare the key battery parameter with historical data to determine whether a battery module fails, generate a control parameter according to a diagnosis result, and transmit the present operation data stream to an intelligent gateway and the control parameter to the BMS and an energy management system (EMS), to cause the EMS to dynamically change a charging/discharging control parameter for the battery energy storage system according to a present state of the battery energy storage system.

System for dynamic management and control of lithium battery energy storage system

A system and method for implementing a self-learning webpage layout based on history data is disclose. A server system collects user preference data from one or more client system. The server system stores the collected user preference data in a database associated with the server system. The server system receives a webpage request from a client system, wherein the requested webpage includes a plurality of topical sections. For each respective topical section, the server system accesses user preference data associated with the respective topical section from the database associated with the server system. The server system automatically generates a customized layout for the requested webpage by arranging the one or more topical sections in association with the user preference data associated with each topical section.

Self-learning webpage layout based on history data

The present invention discloses gripper bar locking apparatus and sheet processing device. In particular, the present invention discloses a gripper bar locking apparatus, which is configured to lock and adjust a position of a gripper bar, comprising: a supporting plate having a distal end and a proximal end; a lever portion, a distal end of which is pivotally mounted on the proximal end of the supporting plate; a cartridge movably mounted on a proximal end of the lever portion and provided with a gripper bar abutment; and an adjusting means provided on the cartridge and configured to adjust a position of the cartridge with respect to the lever portion. Further, the present invention relates to the sheet processing device including the gripper bar. By using the gripper bar locking apparatus, the adjustment of the position of the gripper bar is facilitated.

Gripper bar locking apparatus and sheet processing device

Systems and methods for receiving, at a server computer, an indication that a user is exiting an application on a client device displaying a first document, causing a footprint of the first document to be stored, receiving, at the server computer, a request for a second document from the client device operated by the user, determining that the user is enrolled in a footprint services, retrieving a footprint associated with the user including information related to a document previously accessed by the user, causing information related to the footprint to be displayed to the user on the client device, receiving, from the client device operated by the user, a response to the information related to the footprint displayed to the user on the client device, determining, from the response, a request to display the document associated with the footprint, and causing the document associated with the footprint to be displayed to the user instead of the second document requested by the user.

Application footprint recorder and synchronizer

A system having a common cache pool (CCP) includes a computing device having a plurality of applications executable on the computing device, each of the applications being in a particular application category, at least a first portion of the plurality of applications configured to utilize a cache. The CCP including a plurality of sub-caches associated with a respective particular application category, a sub-portion of applications associated with a sub-cache based on the particular application category, a first application of the sub-portion of applications accessing a first sub-cache when operated by a first user, and a second application of the sub-portion of applications, when operated by the first user, accessing the first sub-cache if the first application and the second application are of the same particular application category. A method to implement the system and a non-transitory computer-readable medium are also disclosed.

Common cache pool for applications

Volume expansion in a storage management system coupled to a storage system via a network is performed. A request for expanding an original volume of a first cluster located at the storage system to a target volume is received. A second cluster located at the storage system is obtained. A remaining storage space of the second cluster is larger than a storage space required by the target volume. The storage system is instructed to create the target volume at the second cluster, and the original volume is expanded to the target volume.

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Shanghai, China

Xiao Yan