Patents by Inventor Wenlong BAI

Wenlong BAI 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: 20250015273
    Abstract: Disclosed are an electrode, a preparation method therefor, a battery, and a power consuming device. The electrode according to an embodiment of the present application comprises a current collector and active layers bonded to the current collector, wherein the active layers include a first active layer and a second active layer, the first active layer is bonded to the current collector, the second active layer is bonded to the surface of the first active layer that faces away from the current collector, and the second active layer has a porosity lager than that of the first active layer. The electrode has a high energy density and structural stability and an excellent cycling performance, resulting in a safe battery. The method for preparing an electrode as disclosed results in an electrode with a stable structure and electrochemical performance, and a high efficiency, while saving the production cost.
    Type: Application
    Filed: September 4, 2024
    Publication date: January 9, 2025
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Wei ZHENG, Baozhen WU, Yuwen WANG, Xingyan YOU, Wenlong BAI
  • Publication number: 20250015296
    Abstract: The present application provides a negative electrode plate and a device including the negative electrode plate. The negative electrode plate includes a negative electrode current collector; a negative electrode film layer on at least one surface of the negative electrode current collector; and a ferroelectric layer; the negative electrode film layer includes a negative electrode active material, and the ferroelectric layer is arranged on the surface of the negative electrode film layer opposite to the negative electrode current collector and includes ferroelectric particles. The negative electrode plate of the present application, when applied to a secondary battery, the fast-charging performance and cycle performance of the secondary battery can be improved.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 9, 2025
    Inventors: Xingyan You, Yiyang Wu, Wenlong Bai, Baozhen Wu, Yuwen Wang
  • Publication number: 20240396441
    Abstract: The present application provides a powering device, an equipment, a method, a medium, and a computer program product for image acquisition. The device includes: an energy storage circuit connected to a power supply and configured to store electric energy of the power supply; an image acquisition module connected to the energy storage circuit and configured to use the electric energy stored in the energy storage circuit for powering during image acquisition. In this way, when the image acquisition module needs a high current for image acquisition, the image acquisition module will not draw high current electric energy from the power supply, and the voltage of the power supply can be kept stable, thereby ensuring the stability of the operation of other circuit components that need to be powered by the power supply.
    Type: Application
    Filed: May 23, 2024
    Publication date: November 28, 2024
    Inventors: Wenlong BAI, Jiu XIA
  • Publication number: 20240387828
    Abstract: Provided are a fast-charging negative electrode active material and preparation method thereof, a negative electrode plate, a secondary battery, and an electrical device. The fast-charging negative electrode active material includes carbon-based material particles, a cladding layer disposed on at least a portion of the surface of the carbon-based material particles, and a ferroelectric material dispersed in the cladding layer, wherein the cladding layer includes a conductive carbon material, and at least a portion of the ferroelectric material projects from the surface of the cladding layer. The fast-charging negative electrode active materials provided in the present application have good dynamic performance, can withstand high-rate charging, and enhance the fast-charging capability of the secondary battery without sacrificing the high energy density of the secondary battery.
    Type: Application
    Filed: July 30, 2024
    Publication date: November 21, 2024
    Inventors: Yiyang Wu, Wenlong Bai, Yonghuang Ye, Baozhen Wu, Kai Wu
  • Publication number: 20240350004
    Abstract: The present disclosure provides a module for tracking an eyeball and an extended reality device. Specifically, the module for tracking an eyeball includes luminescent light sources configured to form light spots on an eye of a user; an image acquiring unit configured to acquire a tracking image of a target area; and an analyzing unit configured to determine a pose of the eyeball based on an eye image and a light spot image in the tracking image; wherein, the luminescent light sources comprise a first light source and form a first light spot on the eye, so as to determine a position of a luminescent light source corresponding to at least part of light spots in the light spot image based on the first light spot.
    Type: Application
    Filed: April 19, 2024
    Publication date: October 24, 2024
    Inventors: Wenlong BAI, Jiu XIA
  • Publication number: 20240347691
    Abstract: An electrode assembly includes a negative electrode plate, a positive electrode plate, and a separator located between the negative electrode plate and the positive electrode plate, where the negative electrode plate includes a negative electrode current collector, and a first negative electrode film layer and a second negative electrode film layer disposed on at least one surface of the negative electrode current collector; the first negative electrode film layer is located between the negative electrode current collector and the second negative electrode film layer and includes a first negative electrode active material, the first negative electrode active material includes graphite, the second negative electrode film layer includes a second negative electrode active material, and the second negative electrode active material includes hard carbon; and the separator includes a base film and a functional coating located at least on a side, against the negative electrode plate, of the base film.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xingyan YOU, Yiyang WU, Wenlong BAI, Baozhen WU
  • Publication number: 20240322139
    Abstract: The present application provides a negative electrode plate, a secondary battery, a battery module, a battery pack, and an electrical device. The negative electrode plate includes a negative electrode current collector and a first negative electrode film, a second negative electrode film, and a functional coating sequentially disposed on at least one surface of the negative electrode current collector, wherein the functional coating layer comprises a ferroelectric material; the second negative electrode film comprises a second negative electrode active material, and the second negative electrode active material comprises hard carbon; the first negative electrode film comprises a first negative electrode active material, and the first negative electrode active material comprises graphite. The negative electrode plate provided by the present application can enable the secondary battery to have high charging rate and long cycle life on the premise of high energy density.
    Type: Application
    Filed: May 31, 2024
    Publication date: September 26, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xingyan YOU, Yiyang WU, Wenlong BAI, Baozhen WU
  • Publication number: 20240310643
    Abstract: The present disclosure provides an extended reality device and a control method thereof. The extended reality device includes: a front part and a rear part; the front part comprising: a display module, configured to display extended reality image; the rear part comprising: a system controller connected to the display module and configured to control operation of the display module; a battery connected to the system controller and configured to supply power to each electrical device. Through the above solution, transferring the system controller and the battery to the rear part setting, so that the weight of the front part of the extended reality device is significantly reduced, the thickness of the front part is significantly reduced, the weight of the rear part and the front part can be balanced, there is no bias when user wears the extended reality device, which improves the user's wearing comfort.
    Type: Application
    Filed: March 13, 2024
    Publication date: September 19, 2024
    Inventors: Wenlong Bai, Jiu Xia, Yu Xia, Benyi Zhang, Peng Du, Guanghui Liu
  • Publication number: 20170171639
    Abstract: The present disclosure relates to a method and an electronic device for loading advertisements to video, and the method includes: monitoring content information of a video; judging whether there is an advertisement matching with the content information in an advertisement library; and loading the advertisement to the video when there is an advertisement matching with the content information in the preset advertisement library.
    Type: Application
    Filed: August 17, 2016
    Publication date: June 15, 2017
    Inventor: Wenlong BAI
  • Publication number: 20170164047
    Abstract: The present disclosure discloses a method and electronic device for restricting video playing. The method includes receiving a triggering instruction of clicking a video file; determining whether the video file is in a preset non-restricted area; directly playing the video file if the video file is in the preset non-restricted area, or outputting prompt information for decrypting the video file if the video file is not in the preset non-restricted area, according to a determination result; wherein presetting the non-restricted area includes: partitioning an area including at least one video file and encrypting the video file outside of the area. Therefore, the method and system for restricting video playing solve the problem that restrictive watching of the video file cannot be made for different watching groups during media playing.
    Type: Application
    Filed: August 23, 2016
    Publication date: June 8, 2017
    Inventors: Fei WANG, Wenlong BAI