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.
Patent No.:
Date of Patent:
Jan. 28, 2020
Filed:
Dec. 06, 2017
Wuhan Institute of Technology, Wuhan, CN;
China National Coal Group Corp., Beijing, CN;
Wuhan Micro Hydrogen New Energy Co., Ltd., Wuhan, CN;
Jian Liu, Wuhan, CN;
Zenglun Guan, Wuhan, CN;
Zhongwen Zhang, Wuhan, CN;
Rucheng Liu, Wuhan, CN;
Bing Yan, Wuhan, CN;
Zhenshen Lou, Wuhan, CN;
Yang Wang, Wuhan, CN;
Xiaohu Liu, Wuhan, CN;
Shihong Qin, Wuhan, CN;
Xiaoling Wen, Wuhan, CN;
Zicheng Li, Wuhan, CN;
WUHAN INSTITUTE OF TECHNOLOGY, Wuhan, CN;
CHINA NATIONAL COAL GROUP CORP., Beijing, CN;
WUHAN MICRO HYDROGEN NEW ENERGY CO., LTD., Wuhan, CN;
Abstract
An energy storage system, including: a first switch and a first inductor connected in series and connected to a positive electrode of an external DC system; a pre-stage bidirectional buck-boost conversion circuit, the circuit including a first terminal, a second terminal, and a third terminal; a pre-charge circuit, a fourth switch, and a super-capacitor sequentially connected in series, two terminals of a series structure resulting therefrom being connected to the third terminal of the pre-stage bidirectional buck-boost conversion circuit and the negative electrode of the external DC system, respectively; a post-stage bidirectional buck-boost conversion circuit, the circuit including a first terminal, a second terminal, and a third terminal; and a battery, a second switch, and a second inductor connected in series.