Patents by Inventor Na Liu

Na Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250150911
    Abstract: The present disclosure describes methods, systems, and devices for configuring a measurement object in a wireless communication network. A plurality of candidate serving cell measurement object (MO) identifiers (IDs) are provided from a centralized unit (CU) to a distributed unit (DU). A a serving cell MO is selected by the DU from the plurality of candidate serving cell MO IDs to be used for a user equipment (UE). A per-bandwidth part (BWP) serving cell MO configuration is configured by the DU according to the serving cell MO.
    Type: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Inventors: Jianxun AI, Jing LIU, Na LIU, Mengjie ZHANG, Zhuang LIU
  • Patent number: 12288880
    Abstract: A positive active material is provided. In some embodiments, the positive material includes: a substrate and a coating layer coating the substrate, wherein the coating layer includes a fast ion conductor layer and a carbon coating layer, the substrate includes more than one compound of formula (I): LiFe1-aM1aPO4 formula (I), in formula (I), M1 is more than one selected from Cu, Mn, Cr, Zn, Pb, Ca, Co, Ni, Sr, Nb and Ti, and 0?a?0.01; the fast ion conductor layer includes a fast ion conductor of a NASICON structure shown in formula (II), Li3-bFe2-bM2b(PO4)3 formula (II), in formula (II), M2 is more than one selected from Ti, Zr, Hf, Ge and Sn with valence of +4, and 0?b?1.
    Type: Grant
    Filed: September 25, 2022
    Date of Patent: April 29, 2025
    Assignee: Contemporary Amperex Technology (Hong Kong) Limited
    Inventors: Xue Leng, Hongyu Liu, Changfeng Bie, Na Liu, Wanqing Cai
  • Publication number: 20250118737
    Abstract: The present application provides a positive electrode active material comprising a matrix material and a coating layer on the surface of the matrix material, wherein the matrix material has a chemical formula of LiNixCoyMnzMaM?bO2, wherein M=at least one of Zr, Y, Al, Ti, W, Sr, Ta, Sb, Nb, Na, K, Ca or Ce, M?=at least one of N, F, S or Cl, 0.80?x?1.0, 0?y?0.20, 0?z?0.02, 0?a?0.02, and b=1-x-y-z-a; and the coating layer is a boron-containing ternary alloy or a boron-containing ternary alloy oxide. The present application further provides a method for preparing the positive electrode active material, a positive electrode plate comprising the positive electrode active material, a secondary battery, a battery module, a battery pack and a power consuming device.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Inventors: Chongheng Shen, Shuxing Huan, Qi Wu, Qiang Chen, Na Liu
  • Publication number: 20250091899
    Abstract: The present application discloses a lithium-manganese-nickel-containing composite oxide and a preparation method therefor, a positive electrode plate, a battery, and a power consuming device. The lithium-manganese-nickel composite oxide is in a spinel crystal form, and the ratio of the peak intensity I111 of the (111) peak to the peak intensity I400 of the (400) peak in an X-ray diffraction pattern of the lithium-manganese-nickel composite oxide is 2.1?I111/I400?3.3, wherein the diffraction angle of the (111) peak is 2?=18°-19.5°, and the diffraction angle of the (400) peak is 2?=43.5°-45°. In the above manner, the technical solution of the present application can improve the stability of the positive electrode active material, thereby improving the overall performance of the battery.
    Type: Application
    Filed: November 27, 2024
    Publication date: March 20, 2025
    Inventors: Zhenguo Zhang, Sihui Wang, Wenzhong Lin, Jingpeng Fan, Zhijie Yao, Na Liu
  • Publication number: 20250091904
    Abstract: The present application relates to a positive electrode active material comprising a first positive electrode active material, which comprises a substrate of formula (I), wherein the substrate is doped with an element M1: LiA1[NiX1CoY1MnZ1]O2 (I); and a second positive electrode active material, which comprises a substrate of formula (II), wherein the substrate is doped with an element M2: LiA2[NiX2CoY2MnZ2]O2 (II); the average particle size Dv50 of the first positive electrode active material is greater than that of the second positive electrode active material, wherein 0<X2?X1?0.4, and optionally 0<X2?X1?0.1. The present application further relates to a method for preparing the positive electrode active material, a secondary battery, and a power consuming device.
    Type: Application
    Filed: November 28, 2024
    Publication date: March 20, 2025
    Inventors: Kai Wu, Qi Wu, Qiang Chen, Chongheng Shen, Jingpeng Fan, Dong Zhao, Na Liu
  • Publication number: 20250096255
    Abstract: A composite positive electrode material is Li[LixNiaCobMd]O2, where x+a+b+c+d=1, 0<a, b, and c<1, 0?d?0.05, 0?x, and the element M includes one or more of Al, B, Zr, Sr, Y, Sb, Ta, Na, K, W, Ti, Mg, Nb, Hf, Mo, and Ce. A span of the composite positive electrode material is 1.2-2.0. The composite positive electrode material includes first and second lithium-rich manganese-based positive electrode materials. The first lithium-rich manganese-based positive electrode material includes rod-like primary particles with a length of 0.1-1.5 ?m and secondary particles with Dv50 of 3-8 ?m. The second lithium-rich manganese-based positive electrode material includes spheroidal primary particles with a diameter of 0.1-400 nm and secondary particles with Dv50 of 8-20 ?m.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 20, 2025
    Inventors: Shuxing HUAN, Chongheng SHEN, Bangrun WANG, Changxu WU, Na LIU
  • Publication number: 20250087686
    Abstract: The present application discloses a lithium-ion secondary battery. The lithium-ion secondary battery. The lithium-ion secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate includes a positive electrode current collector and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material, and the positive electrode active material includes nickel, cobalt, and manganese material. A ratio of nickel, cobalt and manganese is a:b:c, a?0.5, 0<b?0.2, a+b+c=1. An interval particle size distribution curve of the positive electrode active material has a full width at half maximum DFW of from 4 ?m to 8 ?m, and the positive electrode active material has a powder compaction density of from 3.0 g/cm3 to 3.6 g/cm3 under a pressure of 3 tons.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Inventors: Qifeng LI, Qilan ZHANG, Na Liu
  • Patent number: 12248541
    Abstract: The present invention discloses a watermark embedding method based on service invocation data, comprising obtaining service invocation data, and preprocessing the invocation data, then, obtaining the key data through screening the preprocessed invocation data based on relevant weights, then, adding timestamps to the key data to obtain enhanced data, after that, selecting the contribution degree of the enhanced data to obtain high-quality data, and encoding the high-quality data to generate encoded data, then, constructing a data watermark embedding model by employing the encoded data, and inputting the service invocation data to be embedded into the data watermark embedding model, and thus the embedding results can be output. This method can not only improve the accuracy of watermark embedding for service invocation data, but also provides good interpretability, making it directly applicable to watermark embedding systems.
    Type: Grant
    Filed: August 14, 2024
    Date of Patent: March 11, 2025
    Assignee: China National Institute of Standardization
    Inventors: Mengxiang Wang, Yucheng Zhang, Qiang Fu, Fujun Wan, Xinyao Zhou, Na Liu
  • Patent number: 12248824
    Abstract: A method comprises constructing, for a specific activity, a decision model based on action data of one or more actions, each action having an identifier of an activity performed with a computer application, use data being operated on by the computer application, and a timestamp, the decision model including a rule specifying a first activity as a next activity or a probabilistic classifier that accepts use data being operated on via the specific activity and outputs an identifier of an activity to be performed as a next activity with a probability. The method comprises detecting performance of the specific activity, when the decision model for the specific activity includes the rule, automatically applying the rule, and when the decision model for the specific activity includes the probabilistic classifier and no applicable rule: executing the probabilistic classifier to obtain a list of candidate next activities and an associated list of probabilities.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: March 11, 2025
    Assignee: Orby AI, Inc.
    Inventors: Dongxu Lu, Na Liu
  • Patent number: 12230836
    Abstract: The present application provides an organic-inorganic hybrid complex which can be used in a coating of a separator for a secondary battery, wherein the organic-inorganic hybrid complex is formed from basic units represented by formula (I) being periodically assembled in at least one spatial direction: [Lx-i?i][MaCb].Az (I), wherein a defect percentage expressed in i/x*100% is 1% to 30%. The present application further provides a coating composition comprising the organic-inorganic hybrid complex, a coating formed from the coating composition, a separator comprising the coating for a secondary battery, a secondary battery comprising the separator, a battery module, a battery pack and a device. By applying the organic-inorganic hybrid complex of the present application in a coating, the electrolyte infiltration of a separator for a secondary battery is improved while increasing the electrolyte retention rate, thereby improving the rate capability and cycling life of the secondary battery.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: February 18, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Jiarui Tian, Yongsheng Guo, Cong Cheng, Yuanyuan Lan, Shuojian Su, Xinxin Zhang, Na Liu, Chuying Ouyang
  • Patent number: 12225421
    Abstract: The present document describes methods, systems, and devices for configuring a measurement object in a wireless communication network. A plurality of candidate serving cell measurement object (MO) identifiers (IDs) are provided from a centralized unit (CU) to a distributed unit (DU). A a serving cell MO is selected by the DU from the plurality of candidate serving cell MO IDs to be used for a user equipment (UE). A per-bandwidth part (BWP) serving cell MO configuration is configured by the DU according to the serving cell MO.
    Type: Grant
    Filed: September 11, 2024
    Date of Patent: February 11, 2025
    Assignee: ZTE Corporation
    Inventors: Jianxun Al, Jing Liu, Na Liu, Mengjie Zhang, Zhuang Liu
  • Patent number: 12225011
    Abstract: Computer technology for protecting data security in a computerized system for recommending content to users where, a processing unit generates an identifier for a first data record relating to a user device based on a first machine learning model. Then, the processing unit sends the identifier to a service provider, and the service provider uses the identifier to determine one or more contents to be sent to the user device. Creating and using a decision tree machine learning (ML) model and a cluster ML model with training records and a transformed records.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: February 11, 2025
    Assignee: International Business Machines Corporation
    Inventors: Jin Wang, Lei Gao, A Peng Zhang, Dan Sun, Jing Zhang, Na Liu, Xun Pan, Zi Yun Kang
  • Publication number: 20250023031
    Abstract: The present application provides a coated lithium-rich metal oxide material and a preparation method therefor, a method for testing a coating layer in the coated lithium-rich metal oxide material, a positive electrode plate, a battery and a power consuming device. The coated lithium-rich metal oxide material of the present application has a coating layer with high integrity and compactness, which reduces the dissolution of lithium, improves the capacity of the battery, and reduces the resistance of the material. The method of the present application can accurately and quickly test the integrity and compactness of the coating layer in the coated lithium-rich metal oxide material.
    Type: Application
    Filed: September 30, 2024
    Publication date: January 16, 2025
    Inventors: Bangrun Wang, Dongsheng Luo, Na Liu
  • Publication number: 20250011172
    Abstract: The present application provides a lithium nickel manganese-containing composite oxide, a preparation method thereof, and a positive electrode plate, a secondary battery and an electrical device. The lithium nickel manganese-containing composite oxide is a particle with a monocrystal morphology or a quasi-monocrystal morphology, the lithium nickel manganese-containing composite oxide has a spherical or spherical-like grain shape, and the lithium nickel manganese-containing composite oxide has a general formula of Li1+xNi0.5+yMzMn1.5?x?y?z?aAaO4?k, ?0.2?x?0.5, ?0.2?y?0.2, 0?z?0.2, 0<a?0.2, 0?k?0.2, A includes one or more selected from Si, P and S, M includes one or more selected from a metal-doping element. The lithium nickel manganese-containing composite oxide provided in the present application may improve the capacity exertion, energy density and cycling life of the secondary battery.
    Type: Application
    Filed: September 18, 2024
    Publication date: January 9, 2025
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Zhenguo ZHANG, Sihui WANG, Jingpeng FAN, Yutong LIU, Na LIU
  • Patent number: 12191482
    Abstract: The present invention relates to an electrode active material, a preparation method thereof, an electrode, a battery, and an apparatus. The electrode active material includes: a core and a coating layer, where the core includes a ternary material, the coating layer coats the core, the coating layer includes a reaction product of a sulfur-containing compound and a lithium-containing compound, and the reaction product includes element Li, element S, and element O.
    Type: Grant
    Filed: January 28, 2024
    Date of Patent: January 7, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Chengdu Liang, Yongchao Liu, Na Liu, Yingjie Guan, Qisen Huang, Wei Fu
  • Publication number: 20250008394
    Abstract: The present document describes methods, systems, and devices for configuring a measurement object in a wireless communication network. A plurality of candidate serving cell measurement object (MO) identifiers (IDs) are provided from a centralized unit (CU) to a distributed unit (DU). A a serving cell MO is selected by the DU from the plurality of candidate serving cell MO IDs to be used for a user equipment (UE). A per-bandwidth part (BWP) serving cell MO configuration is configured by the DU according to the serving cell MO.
    Type: Application
    Filed: September 11, 2024
    Publication date: January 2, 2025
    Inventors: Jianxun AI, Jing LIU, Na LIU, Mengjie ZHANG, Zhuang LIU
  • Patent number: 12185408
    Abstract: Disclosed are a Radio Resource Control (RRC) state transition method, a terminal, a Centralized Unit (CU), a Distributed Unit (DU) and a computer-readable storage medium. The RRC state transition method includes: when a terminal changes from a current state to an RRC connected state, the terminal requests to resume an RRC connection by using an existing Signaling Radio Bearer (SRB) configuration; when the terminal receives a response from a Distributed Unit (DU) for request of resuming the RRC connection, if the response comprises a newly allocated SRB configuration, the terminal replaces the existing SRB configuration with the newly allocated SRB configuration to resume the RRC connection.
    Type: Grant
    Filed: February 13, 2024
    Date of Patent: December 31, 2024
    Assignee: ZTE Corporation
    Inventor: Na Liu
  • Patent number: 12176534
    Abstract: The present application discloses a positive electrode active material, a positive electrode plate, a lithium-ion secondary battery, and an apparatus. The positive electrode active material satisfies a chemical formula Li1+x(NiaCobMnc)1?dMdO2?yAy, wherein M is one or more selected from Zr, Sr, B, Ti, Mg, Sn and Al, A is one or more selected from S, N, F, Cl, Br and I, ?0.01?x?0.2, 0.12?b/c?0.9, 0.002?b×c/a2?0.23, a+b+c=1, 0?d?0.1, and 0?y?0.2; and an interval particle size distribution curve of the positive electrode active material has a full width at half maximum DFW of from 4 ?m to 8 ?m. The positive electrode active material provided in the present application has relatively low cobalt content and relatively high cycle life and capacity performance.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: December 24, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Qifeng Li, Qilan Zhang, Na Liu
  • Patent number: 12176537
    Abstract: The present application relates to the electrochemical field, and in particular, to a positive electrode material, and an electrochemical energy storage apparatus having thereof. The present application provides a positive electrode material, including a substrate. The substrate includes secondary particles containing primary particles. A surface of the substrate is coated with an oxide coating layer. The oxide coating layer comprises a coating element, and the coating element is selected from one or more of Al, Ba, Zn, Ti, Zr, Mg, W, Y, Si, Sn, B, Co, or P. The electrochemical energy storage apparatus comprises the foregoing positive electrode material.
    Type: Grant
    Filed: February 7, 2024
    Date of Patent: December 24, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Rui Du, Yongchao Liu, Sihui Wang, Deyu Zhao, Na Liu
  • Publication number: 20240413308
    Abstract: This application provides a lithium-nickel-manganese-containing composite oxide, a preparation method thereof, and a positive electrode plate, secondary battery, and electric apparatus containing the same. The lithium-nickel-manganese-containing composite oxide has a core-shell structure and includes a core and a shell enveloping surface of the core, where the core includes Lix(NiyMn2-y)1-mMmO4. M includes one or more selected from Mg, elements from group IVB to group VIB, elements from group IIIA to group VA, and lanthanide elements, where 0.95?x?1.10, 0.40?y?0.60, and 0.001?m?0.015. The shell includes lithium aluminum phosphate and optionally includes lithium aluminum phosphate and aluminum phosphate.
    Type: Application
    Filed: January 29, 2024
    Publication date: December 12, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Jingpeng FAN, Qi WU, Zhenguo ZHANG, Qiang CHEN, Dong ZHAO, Na LIU, Jing WANG