Invention Grant
- Patent Title: Photovoltaic-charged secondary battery system
- Patent Title (中): 光伏充电二次电池系统
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Application No.: US11962273Application Date: 2007-12-21
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Publication No.: US08729382B2Publication Date: 2014-05-20
- Inventor: Joong Kee Lee , Byung Won Cho , Kyung Yoon Chung , Hyung Sun Kim , Il Doo Kim , Chan Wook Jeon , Yong Sang Kim
- Applicant: Joong Kee Lee , Byung Won Cho , Kyung Yoon Chung , Hyung Sun Kim , Il Doo Kim , Chan Wook Jeon , Yong Sang Kim
- Applicant Address: KR Seoul
- Assignee: Korea Institute of Science and Technology
- Current Assignee: Korea Institute of Science and Technology
- Current Assignee Address: KR Seoul
- Agency: Frommer Lawrence & Haug LLP
- Agent Ronald R. Santucci
- Priority: KR10-2007-0092928 20070913
- Main IPC: H01L31/058
- IPC: H01L31/058

Abstract:
A photovoltaic-charged secondary battery system is provided, in which an electrode for optical power generation and an electrode for charging and discharging generated electrical energy are integrated into a single cell structure, and the potential difference between the electrodes is systematically controlled, thus maximizing the conversion efficiency of optical energy, maximizing the utilization rate of cell energy, and extending the life span of the battery. Thus, the photovoltaic-charged secondary battery system may include a transparent electrode capable of transmitting light; a PN semiconductor layer formed on the transparent electrode and generating a current by incident light; and a secondary battery layer, formed on the PN semiconductor layer, in which the current generated by the PN semiconductor layer is charged.
Public/Granted literature
- US20090072780A1 Photovoltaic-Charged Secondary Battery System Public/Granted day:2009-03-19
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