Variable volume containment for energy storage devices

US8859132B2 · kind B2 · utility

Assignee

• G4 Synergetics, Inc. · US

Inventors

• Jon K. West · Gainesville, US
• Martin Patrick Higgins · Old Field, US
• Julius Regalado · Gainesville, US
• Anthony George · Columbus, US
• Xin Zhou · Beijing, CN
• Nelson Citta · Lake City, US
• Myles Citta · Lake City, US
• Allen Michael · Gainesville, US
• Kenneth Cherisol · Evansdale, US
• Daniel J. West · Gainesville, US
• Barbara Patterson · South San Francisco, US

Key dates

• Filing date: Jan 27, 2010
• Grant date: Oct 14, 2014
• Expiry date: Aug 15, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A stacked energy storage device (ESD) has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. Variable volume containment may be used to control the inter-electrode spacing within each cell segment. In some embodiments, one or more dynamic flexible gaskets may be included in each cell segment to seal the electrolyte within the cell segment and to deform in preferred directions. In some embodiments, hard stops may set the inter-electrode spacing of the ESD.