Pseudo-capacitor device for aqueous electrolytes
Patent
·
OSTI ID:321180
A pseudo-capacitor having a high energy storage capacity develops a double layer capacitance as well as a Faradaic or battery-like redox reaction, also referred to as pseudo-capacitance. The Faradaic reaction gives rise to a capacitance much greater than that of the typical ruthenate oxide ultracapacitor which develops only charge separation-based double layer capacitance. The capacitor employs a lead and/or bismuth/ruthenate and/or iridium system having the formula A{sub 2}[B{sub 2{minus}x}Pb{sub x}]O{sub 7{minus}y}, where A=Pb, Bi, and B=Ru, Ir, and O
- Research Organization:
- University of Chicago
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- PTO; SCA: 250400; SN: 99002058522; PA: EDB-99:029234
- Patent Number(s):
- US 5,841,627/A/
- Application Number:
- PAN: 8-868,176
- OSTI ID:
- 321180
- Country of Publication:
- United States
- Language:
- English
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