The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 24, 2023

Filed:

Mar. 15, 2021
Applicants:

China Energy Investment Corporation Limited, Beijing, CN;

National Institute of Clean-and-low-carbon Energy, Beijing, CN;

Inventors:

Ratnesh Sharma, Fremont, CA (US);

Surinder Singh, Fremont, CA (US);

Peng Yu, Fremont, CA (US);

You Zhou, Beijing, CN;

Lulu Zhao, Beijing, CN;

Brandon Ohara, Mountain View, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/44 (2006.01); H02J 7/00 (2006.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H01M 10/441 (2013.01); H02J 7/005 (2020.01); H02J 7/0048 (2020.01); H02J 7/02 (2013.01);
Abstract

An electrical energy storage system, a controller, and methods of using the same are provided. The system includes battery packs connected in parallel, one or more battery power management unit, one or more power converters, and a controller. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps for discharging or charging. The steps include: reading data including state of health (SOH) and state of charge (SOC) from each battery pack, connecting a respective battery pack with a respective power converter; receiving a power command from an energy management system, calculating a respective power rate of each battery pack based on the data of SOH, SOC, and the power command, and discharging power from battery packs to a grid or charging power to battery packs based on the power rate of each battery pack.


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