Patents by Inventor Ru Jun Ma

Ru Jun Ma 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).

  • Metallic zinc-based current collector
    Patent number: 8940430
    Abstract: A nickel zinc battery cell includes a metallic zinc-based current collection substrate as a part of the negative electrode. The metallic zinc-based current collector may be made of or be coated with a zinc metal or zinc alloy material and may be a foil, perforated, or expanded material. Battery cells incorporating the zinc-based current collector exhibit good cycle lifetime and initial charge performance.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: January 27, 2015
    Assignee: PowerGenix Systems, Inc.
    Inventors: Jeffrey Phillips, Samaresh Mohanta, Zhen Gang Fan, Ru Jun Ma, Feng Feng, Lou Uzel, Chi Yau, Jason Zhao, Zeiad M. Muntasser
  • METALLIC ZINC-BASED CURRENT COLLECTOR
    Publication number: 20100092857
    Abstract: A nickel zinc battery cell includes a metallic zinc-based current collection substrate as a part of the negative electrode. The metallic zinc-based current collector may be made of or be coated with a zinc metal or zinc alloy material and may be a foil, perforated, or expanded material. Battery cells incorporating the zinc-based current collector exhibit good cycle lifetime and initial charge performance.
    Type: Application
    Filed: February 8, 2008
    Publication date: April 15, 2010
    Applicant: POWERGENIX SYSTEMS, INC.
    Inventors: Jeffrey Phillips, Samaresh Mohanta, Zheng Gang Fan, Ru Jun Ma, Feng Feng, Lou Uzel, Chi Yau, Jason Zhao, Zeiad M. Muntasser