Patents by Inventor Hongbing Liu

Hongbing 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).

  • Patent number: 12357931
    Abstract: The present disclosure provides a corrosion-resistant device for gas-solid separation, the device including a feeding inlet, a filter element, a solid outlet, and a gas outlet.
    Type: Grant
    Filed: April 15, 2024
    Date of Patent: July 15, 2025
    Assignees: Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., LTD., National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd.
    Inventors: Faping Zhong, Chihuan He, Subin Jiang, Hongbing Liu, Jiqun Zhu, Shuifa Tan
  • Publication number: 20250210742
    Abstract: The present invention provides an apparatus for separating and recycling metal elements in cathode materials of lithium batteries, comprising a device for pretreating lithium batteries, configured to obtain a mixture of powders containing positive-electrode materials; a device of acid leaching, configured to obtain leachate; if the to-be-recycled lithium battery contain a lithium iron phosphate battery, the apparatus further comprises a heating furnace for heating the solid products, obtained after acid leaching and solid-liquid filtration, in an oxygen-containing atmosphere; if the to-be-recycled lithium battery contains a ternary lithium battery, the apparatus further comprises a first extraction device for performing extraction on the leachate, wherein diisooctyl phosphate is extraction agent.
    Type: Application
    Filed: June 7, 2024
    Publication date: June 26, 2025
    Inventors: Faping ZHONG, Chihuan HE, Subin JIANG, Hongbing LIU, Jiqun ZHU, Shuifa TAN
  • Publication number: 20250197963
    Abstract: A method of using a chlorination method to recycle metal elements in lithium batteries includes, organic components in the lithium battery are removed, so as to obtain a mixture of powders containing the positive-electrode material; the powders are heated and chlorinated by chlorine, at a heating temperature of 500-1200° C.; gas products of the chlorination are output through a gas-solid filtration device, and then two stages of desublimation are used, wherein the temperature during the first-stage desublimation is set to be below 306° C. and above 178° C., so that FeCl3 is desublimated into solid deposition, which is used for recycling Fe element; the temperature of the second-stage desublimation is set to be below 178° C., so that AlCl3 is desublimated into solid deposition, which is used for recycling Al element; solid products of the chlorination are taken out for recycling the Li element.
    Type: Application
    Filed: April 18, 2024
    Publication date: June 19, 2025
    Inventors: Faping ZHONG, Chihuan HE, Subin JIANG, Hongbing LIU, Jiqun ZHU, Shuifa TAN
  • Publication number: 20250196207
    Abstract: The present invention provides a method for recycling lithium batteries, including the following steps: Step 1, pretreating the lithium batteries, so as to obtain a mixture, the mixture includes positive electrodes of batteries, negative electrodes of batteries, and electrolyte; Step 2, performing oxygen-free pyrolysis on the mixture, at a pyrolysis temperature of 400-600° C.; Step 3, using a gas-solid filtration device to separate gas products from the pyrolysis, wherein anti-corrosion material(s) is (are) used to form filter element of the gas-solid filtration device; Step 4, taking out solid products from the pyrolysis, so as to recycle metal elements; the metal elements include but are not limited to one or more selected from the following: lithium, aluminum, copper, iron, nickel, cobalt, manganese.
    Type: Application
    Filed: April 17, 2024
    Publication date: June 19, 2025
    Inventors: Faping ZHONG, Chihuan HE, Subin JIANG, Hongbing LIU, Jiqun ZHU, Shuifa TAN
  • Publication number: 20250201954
    Abstract: The present invention provides a method of using a wet method to recycle metal elements in lithium batteries, including the following steps: Step 1, pretreating lithium batteries, so as to obtain a mixture of powders containing positive-electrode materials; Step 2, acid leaching to obtain leachate; Step 3, if the to-be-recycled lithium battery contain a lithium iron phosphate battery, the solid products, obtained after acid leaching and solid-liquid filtration, are heated in an oxygen-containing atmosphere, so as to burn up carbon, then the left is ferric phosphate; Step 4, if the to-be-recycled lithium battery contains a ternary lithium battery, the leachate, obtained after acid leaching and solid-liquid filtration, is sent to an extraction step, wherein diisooctyl phosphate is used as extraction agent, so as to obtain a raffinate containing Li element and an organic phase containing Ni/Co/Mn elements.
    Type: Application
    Filed: June 7, 2024
    Publication date: June 19, 2025
    Inventors: Faping ZHONG, Chihuan HE, Subin JIANG, Hongbing LIU, Jiqun ZHU, Shuifa TAN
  • Patent number: 12331381
    Abstract: A method of using a chlorination method to recycle metal elements in lithium batteries includes, organic components in the lithium battery are removed, so as to obtain a mixture of powders containing the positive-electrode material; the powders are heated and chlorinated by chlorine, at a heating temperature of 500-1200° C.; gas products of the chlorination are output through a gas-solid filtration device, and then two stages of desublimation are used, wherein the temperature during the first-stage desublimation is set to be below 306° C. and above 178° C., so that FeCl3 is desublimated into solid deposition, which is used for recycling Fe element; the temperature of the second-stage desublimation is set to be below 178° C., so that AlCl3 is desublimated into solid deposition, which is used for recycling Al element; solid products of the chlorination are taken out for recycling the Li element.
    Type: Grant
    Filed: April 18, 2024
    Date of Patent: June 17, 2025
    Assignees: Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., LTD, National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd
    Inventors: Faping Zhong, Chihuan He, Subin Jiang, Hongbing Liu, Jiqun Zhu, Shuifa Tan
  • Publication number: 20250158011
    Abstract: The present invention provides a lithium secondary battery and a preparation method thereof.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 15, 2025
    Applicants: Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., LTD., National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd.
    Inventors: Faping ZHONG, Chihuan HE, Subin JIANG, Hongbing LIU, Jiqun ZHU, Shuifa TAN
  • Publication number: 20250158146
    Abstract: Provided is a method for recovering valuable metals from a positive electrode of waste lithium iron phosphate. The method includes: subjecting a waste lithium iron phosphate battery to discharging and disassembly; subjecting a lithium iron phosphate positive plate obtained by the disassembly to breaking, followed by high temperature treatment; uniformly mixing a product obtained by the high temperature treatment with a carbon material, and roasting a mixture in a high-purity Cl2 atmosphere; subjecting a gas phase product obtained by the roasting to fractional quenching and condensation to recover ferric chloride and aluminum chloride separately; and subjecting a solid phase product obtained by the roasting to water leaching and filtration to obtain a lithium chloride aqueous solution, and then adding sodium carbonate to precipitate lithium carbonate.
    Type: Application
    Filed: January 24, 2024
    Publication date: May 15, 2025
    Applicants: Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., LTD., National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd.
    Inventors: Faping ZHONG, Chihuan HE, Subin JIANG, Hongbing LIU, Jiqun ZHU, Shuifa TAN
  • Patent number: 12237483
    Abstract: The present disclosure provides an apparatus for a chlorination method to recycle metal elements in lithium batteries.
    Type: Grant
    Filed: April 16, 2024
    Date of Patent: February 25, 2025
    Assignees: Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., LTD., National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd.
    Inventors: Faping Zhong, Chihuan He, Subin Jiang, Hongbing Liu, Jiqun Zhu, Shuifa Tan
  • Publication number: 20240297554
    Abstract: A motor and a powertrain. The motor includes a stator, an end cover, and a housing. The housing may be configured to install the stator and the end cover, and the stator and the end cover are adjacently arranged along an axial direction of the motor. The end cover includes an outer circumferential surface, a side surface, and an internal channel. The outer circumferential surface includes at least one liquid inlet, and at least one liquid inlet is configured to receive coolant through the housing. The side surface faces the stator, and the side surface includes a plurality of liquid outlets. In the motor, the coolant can enter the end cover through at least one liquid inlet and be sprayed to the stator through the plurality of liquid outlets, to cool the stator.
    Type: Application
    Filed: February 21, 2024
    Publication date: September 5, 2024
    Applicant: Huawei Digital Power Technologies Co., Ltd.
    Inventors: Sixue WANG, Hongbing LIU, Qiqi GUO, Jingzhou WEI
  • Patent number: 11982214
    Abstract: An oil inlet of a motor communicates with a first end of an oil pump through a first passage. A first oil sump of the motor communicates with a second end of the oil pump through a second passage. When the oil pump is rotating, a port at the first end is an oil outlet of the oil pump, and a port at the second end is an oil inlet of the oil pump. The first end of the oil pump communicates with a second oil sump through a third passage with a first valve. The second end of the oil pump communicates with the second oil sump through a fourth passage with a second valve. In this way, when the oil pump is reversing, coolant may be input into a motor cavity and accumulate in the motor cavity, so as to cool motor components in an immersion manner.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: May 14, 2024
    Assignee: Huawei Digital Power Technologies Co., Ltd.
    Inventors: Jiangang Wang, Chaoqiang Wu, Hongbing Liu, Jun Chen, Hu Zhong
  • Patent number: 11906037
    Abstract: A power assembly and a vehicle. The power assembly includes a housing, and a first drive motor, a first speed reducer, a first oil path, a second drive motor, a second speed reducer, a second oil path, and a third oil path that are located inside the housing. The power assembly further includes a first oil pump and a second oil pump. The housing is provided with an oil pan. The first drive motor includes a first stator and a first rotor. The second drive motor includes a second stator and a second rotor. Both the first oil pump and the second oil pump are connected to the oil pan. The power assembly simplifies the oil paths in the housing and improve an integration level.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: February 20, 2024
    Assignee: Huawei Digital Power Technologies Co., Ltd.
    Inventors: Hongbing Liu, Xiang Fang, Yi Cao, Jiangang Wang
  • Publication number: 20230327504
    Abstract: A stator includes a stator core and a seal kit. The stator core includes a yoke part and a plurality of tooth parts. A tooth root of the tooth part is connected to the yoke part. A tooth top of the tooth part is away from the yoke part. An opening slot is formed between two adjacent tooth parts. The opening slot includes a coil slot and a flow passing slot that communicate with each other. The coil slot extends from the tooth top to the tooth root. The coil slot is configured to accommodate a stator coil. The flow passing slot extends from the tooth root to the yoke part. The seal kit is connected to an inner wall of the opening slot. The seal kit and the inner wall of the flow passing slot jointly form a flow passing passage for a coolant to flow through.
    Type: Application
    Filed: May 22, 2023
    Publication date: October 12, 2023
    Applicant: Huawei Digital Power Technologies Co., Ltd.
    Inventors: Hongbing LIU, Haisong XU, Jiangang WANG, Shaobo YANG, Bayaer EERHEMU, Jun CHEN
  • Publication number: 20230318370
    Abstract: A motor, a powertrain, and a device. A plurality of first oil channels are formed between an inner surface of a housing and an outer surface of a stator core, second oil channels are formed at groove roots of coil slots of the stator core, to form double-layer oil channels at the outer surface of the stator core and the root of the coil slot of the stator core, and ensure effective cooling of the stator core and a coil winding. After cooling oil is injected from an oil filling port, a flow direction of the cooling oil in some of the second oil channels is opposite to that of cooling oil in a remaining second oil channel, so that interleaved reverse flows are implemented, and axial temperature of the stator core and the coil winding is more even.
    Type: Application
    Filed: May 22, 2023
    Publication date: October 5, 2023
    Applicant: Huawei Digital Power Technologies Co., Ltd.
    Inventors: Hongbing LIU, Haisong XU, Bayaer EERHEMU, Shaobo YANG, Jun CHEN
  • Publication number: 20230296038
    Abstract: An oil inlet of a motor communicates with a first end of an oil pump through a first passage. A first oil sump of the motor communicates with a second end of the oil pump through a second passage. When the oil pump is rotating, a port at the first end is an oil outlet of the oil pump, and a port at the second end is an oil inlet of the oil pump. The first end of the oil pump communicates with a second oil sump through a third passage with a first valve. The second end of the oil pump communicates with the second oil sump through a fourth passage with a second valve. In this way, when the oil pump is reversing, coolant may be input into a motor cavity and accumulate in the motor cavity, so as to cool motor components in an immersion manner.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Jiangang Wang, Chaoqiang Wu, Hongbing Liu, Jun Chen, Hu Zhong
  • Patent number: 11758037
    Abstract: The present invention concerns a base station (12) having a DECT communication module (13) for wirelessly communicating with one or more registered portable DECT devices 10). The base station also has a virtual assistant module connecting over an IP communication channel (28) to a virtual assistant providing responses to user instructions, and a telephony module connecting to and accessing a remote resource over a telephony communication channel (27). A device manager (15) identifies and stores communication parameters of the DECT devices, and can implement a user instruction communicated from a DECT device via the DECT communication module and can route virtual assistant responses to a user instruction. A broker module (19) establishes a communication link between the DECT devices and the virtual assistant, and between the DECT devices and the telephony communication channel.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: September 12, 2023
    Assignee: MEIZHOU GUOWEI ELECTRONICS CO., LTD
    Inventors: Richard Hall-Smith, Hongbing Liu
  • Publication number: 20230256811
    Abstract: A powertrain includes a reservoir configured to store coolant; a first drive motor, where the first drive motor includes a first stator and a first rotor; a second drive motor, where the second drive motor includes a second stator and a second rotor; a first pump and a second pump, where an inlet of the first pump is coupled to the reservoir, and an inlet of the second pump is coupled to the reservoir; a heat exchanger, where the heat exchanger is coupled to the first pump; a first flow path, where the first flow path is coupled to an outlet of the first pump, and the first flow path is used to supply the coolant to the first stator and the second stator through the heat exchanger.
    Type: Application
    Filed: February 10, 2023
    Publication date: August 17, 2023
    Inventors: Hongbing Liu, Jingzhou Wei, Yi Cao
  • Publication number: 20230114407
    Abstract: A power assembly and a vehicle. The power assembly includes a housing, and a first drive motor, a first speed reducer, a first oil path, a second drive motor, a second speed reducer, a second oil path, and a third oil path that are located inside the housing. The power assembly further includes a first oil pump and a second oil pump. The housing is provided with an oil pan. The first drive motor includes a first stator and a first rotor. The second drive motor includes a second stator and a second rotor. Both the first oil pump and the second oil pump are connected to the oil pan. The power assembly simplifies the oil paths in the housing and improve an integration level.
    Type: Application
    Filed: October 12, 2022
    Publication date: April 13, 2023
    Applicant: Huawei Digital Power Technologies Co., Ltd.
    Inventors: Hongbing LIU, Xiang FANG, Yi CAO, Jiangang WANG
  • Publication number: 20230106760
    Abstract: Disclosed are compounds represented by the formula:(I), wherein R is as defined herein, and pharmaceutically acceptable salts thereof. Also disclosed are a method of treating a subject in need of treatment for a bacterial infection or a fungal infection, which includes administering to the subject an effective amount of one of the compounds or salts thereof. Further disclosed is a process for producing the compounds and salts thereof.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 6, 2023
    Applicant: The United States of America,as represented by the Secretary,Department of Health and Human Services
    Inventors: Carole A. Bewley Clore, Hongbing Liu, Shannon I. Ohlemacher
  • Patent number: 11552477
    Abstract: The present disclosure provides a rechargeable battery for an induction garbage bin, comprising a steel shell, a battery core, an output structural component and an intermediate connection structural component, the battery core being provided in the steel shell, wherein, a lower end of a USB fixing structural part of the intermediate connection structural component is fittingly sleeved on an open end of the steel shell; a positive end of the battery core is connected with a positive tab connection point (B+) on a PCB substrate, a negative end of the battery core is connected with a negative tab connection point (B?) on the PCB substrate; the output structural component is fittingly clamped and sleeved on a USB metal part of the intermediate connection structural component; and a positive clamp output end (O+) of the electronic component is in close contact with a metal languet of a positive cap of the output structural component.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: January 10, 2023
    Assignee: NATIONAL ENGINEERING RESEARCH CENTER OF ADVANCED ENERGY STORAGE MATERIALS (SHENZHEN) CO., LTD
    Inventors: Yinglin Gong, Hongbing Liu, Pengfei Chen, Xiaofeng Chen