US 12,155,217 B2
Power supply device and power supplying method
Chien-Chi Chiu, Tainan (TW); Yuh-Fwu Chou, Zhubei (TW); Yin-Wen Tsai, Zhubei (TW); Chih-Wei Hsu, Zhudong Township (TW); and Ku-Yen Kang, Zhubei (TW)
Assigned to INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu (TW)
Filed by INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu (TW)
Filed on Nov. 30, 2022, as Appl. No. 18/071,703.
Claims priority of application No. 110149623 (TW), filed on Dec. 30, 2021.
Prior Publication US 2023/0216307 A1, Jul. 6, 2023
Int. Cl. H02J 3/38 (2006.01); B60L 50/75 (2019.01); H01M 8/04537 (2016.01); H01M 8/04858 (2016.01); H01M 10/48 (2006.01); H01M 16/00 (2006.01); H02J 3/46 (2006.01); H02J 7/00 (2006.01); H02J 7/34 (2006.01)
CPC H02J 3/381 (2013.01) [H01M 8/04597 (2013.01); H01M 8/04932 (2013.01); H01M 10/48 (2013.01); H01M 16/006 (2013.01); H02J 3/46 (2013.01); H02J 7/0047 (2013.01); H02J 7/00712 (2020.01); H02J 7/34 (2013.01); B60L 50/75 (2019.02); H01M 2220/20 (2013.01); H01M 2250/20 (2013.01); H02J 2300/30 (2020.01)] 17 Claims
OG exemplary drawing
 
1. A power supply device, comprising:
a fuel cell;
a secondary battery;
a power converter coupling the fuel cell with the secondary battery, and configured to convert current output by the fuel cell into an output current;
a current detection unit coupling the power converter with the secondary battery and configured to detect charging current of the output current which is transmitted to the secondary battery;
a control unit coupling the current detection unit with the power converter and configured to:
when the charging current is greater than a charging current upper-limit-setting value of the secondary battery, outputting a down-adjustment signal to the power converter for reducing the output current; and
when the charging current is less than the charging current upper-limit-setting value, outputting an up-adjustment signal to the power converter for increasing the output current.