Patents by Inventor Chengyong Liu

Chengyong 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: 20210257657
    Abstract: The present application provides a preparation method for a solid electrolyte, including: acquiring an initial reaction mixture including a lithium precursor, a central atom ligand and an organic solvent; acquiring a modified solution including a borate ester and the organic solvent; mixing the initial reaction mixture and the modified solution, and drying to acquire an initial product; performing a grinding, cold press and heat treatment to the initial product to obtain the solid electrolyte. In the preparation method provided by the present application, a B and O co-doped sulphide solid electrolyte can be obtained by modifying the sulphide solid electrolyte with the borate ester as a doping raw material. The ionic conductivity of the prepared sulphide solid electrolyte is significantly improved, which is also conducive to improvement of energy density of the all-solid-state batteries.
    Type: Application
    Filed: June 17, 2020
    Publication date: August 19, 2021
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Chengdu LIANG, Chengyong LIU, Bobing HU, Jiawei FU, Qian LI, Meng CHENG, Yongsheng GUO
  • Publication number: 20200266630
    Abstract: A physical address determining method, apparatus, and device, and a storage medium, and belongs to the field of solar power generation, includes: controlling at least two slave nodes to sequentially start up, and detecting a change status of an input voltage of the master node; dividing a photovoltaic power generation system into a plurality of photovoltaic strings; and for each candidate photovoltaic string, controlling any slave node located in the candidate photovoltaic string to start up and other slave nodes to shut down, and using the physical address as a physical address of the candidate photovoltaic string. This disclosure provides a manner of automatically determining a physical address of a photovoltaic string, thereby implementing photovoltaic-string locating and expanding a system function range. When an anomaly occurs, the anomaly can be eliminated in a timely manner, thereby improving system stability.
    Type: Application
    Filed: May 6, 2020
    Publication date: August 20, 2020
    Inventors: Chengfeng JIANG, Chengyong LIU, Qingyuan WANG
  • Publication number: 20200185923
    Abstract: This application provides a photovoltaic power optimizer and a method and apparatus for controlling same, and a photovoltaic power generation system. The photovoltaic power optimizer includes: a power optimization module, a bypass module, and a control module, where the bypass module is connected to an input end of the power optimization module, an output end of the power optimization module, and the control module, and the control module is connected to the power optimization module; and when detecting that the power optimization module is faulty, the control module is configured to control the bypass module to be on, to bypass the faulty power optimization module, so that the photovoltaic battery component can be directly connected to other battery groups in the photovoltaic power generation system, and connected to an inverter.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 11, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Feng Yang, Chengyong Liu, Chengfeng Jiang
  • Patent number: 10658671
    Abstract: The present disclosure provides a polymer protecting layer, a lithium metal negative electrode, a lithium secondary battery. In the lithium secondary battery of the present disclosure, a polymer protecting layer comprising a polymer ionic liquid is coated on a surface of a lithium metal sheet.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: May 19, 2020
    Assignee: Ningde Amperex Technology Limited
    Inventors: Chengyong Liu, Bingbin Wu, Yongsheng Guo, Ziqi Yi, Li An
  • Publication number: 20180366735
    Abstract: The present disclosure provides a polymer protecting layer, a lithium metal negative electrode, a lithium secondary battery. In the lithium secondary battery of the present disclosure, a polymer protecting layer comprising a polymer ionic liquid is coated on a surface of a lithium metal sheet.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Chengyong LIU, Bingbin WU, Yongsheng GUO, Ziqi YI, LI AN
  • Patent number: 9802626
    Abstract: A sub-frame radial bogie comprises wheelsets, a side frame, a swing bolster, a wheelset radial device and a brake gear. Bearing adapters (41) forming the wheelset radial device are fixedly connected with the sub-frame (42) via pulling rivets (11), and each group of the bearing adapters (41) is bilaterally symmetrical in structure with a symmetry plane (A). The sub-frame (42) comprises an arm (51) and an end (52); a sub-frame connection hole (61) is arranged on the end (52); transverse positioning bosses (73) are arranged on the bearing adapters (41); and an arc groove (75) and symmetrical sub-frame connection holes (71) are arranged on a connection base (72). The bearing adapters use the same standard structure, hence, the more precise design and machining can be realized, and the cost is reduced, and meanwhile, the maintenance technique of the sub-frame is improved, and the maintenance cost is reduced.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: October 31, 2017
    Assignee: CRRC MEISHAN CO., LTD.
    Inventors: Tao Deng, Shuping Pan, Aimin Wang, Pu Wang, Yungui Wang, Hengli Li, Xianfeng Zhang, Hanjiang Luo, Ji Zhu, Zongquan Zhou, Chengyong Liu
  • Publication number: 20170301920
    Abstract: The present disclosure provides a polymer protecting layer, a lithium metal negative electrode, a lithium secondary battery. In the lithium secondary battery of the present disclosure, a polymer protecting layer comprising a polymer ionic liquid is coated on a surface of a lithium metal sheet, which can effectively slow down or even inhibit the growth of the lithium dendrite, improve the first charge-discharge cycle coulombic efficiency of the lithium secondary battery, and significantly improve the cycle performance and the safety performance of the lithium secondary battery.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 19, 2017
    Inventors: Chengyong LIU, Bingbin Wu, Yongsheng Guo, Ziqi Yi, Li An
  • Publication number: 20150210299
    Abstract: A sub-frame radial bogie comprises wheelsets, a side frame, a swing bolster, a wheelset radial device and a brake gear. Bearing adapters (41) forming the wheelset radial device are fixedly connected with the sub-frame (42) via pulling rivets (11), and each group of the bearing adapters (41) is bilaterally symmetrical in structure with a symmetry plane (A). The sub-frame (42) comprises an arm (51) and an end (52); a sub-frame connection hole (61) is arranged on the end (52); transverse positioning bosses (73) are arranged on the bearing adapters (41); and an arc groove (75) and symmetrical sub-frame connection holes (71) are arranged on a connection base (72). The bearing adapters use the same standard structure, hence, the more precise design and machining can be realized, and the cost is reduced, and meanwhile, the maintenance technique of the sub-frame is improved, and the maintenance cost is reduced.
    Type: Application
    Filed: April 4, 2013
    Publication date: July 30, 2015
    Inventors: Tao Deng, Shuping Pan, Aimin Wang, Pu Wang, Yungui Wang, Hengli Li, Xianfeng Zhang, Hanjiang Luo, Ji Zhu, Zongquan Zhou, Chengyong Liu
  • Patent number: 8151861
    Abstract: A one-piece core-making technique used in producing railway truck bolsters and side frames, which includes the following steps: 1. After scraping the top of a core box, applying a shaped top mould (11), which is precisely located, from top to bottom. 2. Press or slightly hit the top mould (11) to make sure the top mould covers/caps the scraping surface. 3. Keep pressing to make sure that the flat scraping surface was pressed to a required curved shape, like the shape of the top mould (11). 4. Last, it will become a one-piece core with a partially integrated inner cavity section. The one-piece core made by this technique has a smooth surface. This technique also can improve the internal quality of the product and ease work intensity.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: April 10, 2012
    Assignee: CSR Meishan Rolling Stock Co., Ltd.
    Inventors: Yundong Wang, Wuyi Xu, Zhu Li, Xiaoming Yang, Youping Liu, Zhicheng Wang, Chengyong Liu, Minggao Qing, Yonghong Yuan
  • Publication number: 20100126687
    Abstract: An integer cored craftwork of lorry with swing bolster and sideframe includes: a baroque top mold (11) being located exactly from above to below as sand on the surface of core box being finished to blow. The top mold (11) is pressed for being buckled on the surface of blowing sand, then a definite journey of pressure quantity is finished downwards, so that the locally even surface of blowing sand is extruded to be a curved shape up to the mustard according to the shape of the baroque top mold (11). Finally the integer core forming a integrate lumen section of a cast is finished. It provides a slick surface of integer core while improving the inherent quality of cast and easing the work intension.
    Type: Application
    Filed: March 6, 2008
    Publication date: May 27, 2010
    Applicant: CSR MEISHAN ROLLING STOCK CO., LTD,
    Inventors: Yundong Wang, Wuyi Xu, Zhu Li, Xiaoming Yang, Youping Liu, Zhicheng Wang, Chengyong Liu, Minggao Qing, Yonghong Yuan