Method for forming a cell separator for use in bipolar-stack energy storage devices
An improved multi-cell electrochemical energy storage device, such as a battery, fuel cell, or double layer capacitor using a cell separator which allows cells to be stacked and interconnected with low electrical resistance and high reliability while maximizing packaging efficiency. By adding repeating cells, higher voltages can be obtained. The cell separator is formed by applying an organic adhesive on opposing surfaces of adjacent carbon electrodes or surfaces of aerogel electrodes of a pair of adjacent cells prior to or after pyrolysis thereof to form carbon aerogel electrodes. The cell separator is electronically conductive, but ionically isolating, preventing an electrolytic conduction path between adjacent cells in the stack. 2 figs.
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Univ. of California, Oakland, CA (United States)
- Patent Number(s):
- US 5336274; A
- Application Number:
- PPN: US 8-090881
- OSTI ID:
- 7246142
- Country of Publication:
- United States
- Language:
- English
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Cell separator for use in bipolar-stack energy storage devices
Cell separator for use in bipolar-stack energy storage devices
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30 DIRECT ENERGY CONVERSION
300503 -- Fuel Cells-- Materials
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BATTERY SEPARATORS
CAPACITIVE ENERGY STORAGE EQUIPMENT
CAPACITORS
DIRECT ENERGY CONVERTERS
ELECTRIC BATTERIES
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
EQUIPMENT
FUEL CELLS