Sealing Li-alloy/FeS sub x cells for a bipolar battery
Conference
·
OSTI ID:5218225
Progress in cell design and materials development has led to the initial tests of sealed Li-alloy/metal sulfide cells for a bipolar battery configuration. Earlier efforts attempted to contain the molten electrolyte by a compressed peripheral gasket. Our innovative design approach is to build the cell around a hermetic peripheral seal. This seal consists of metal components bonded to an insulating ceramic ring (e.g., MgO). Prototypic seals maintained secure bonds and showed little apparent reactivity in compatibility tests conducted for more than 1000 h at 450{degree}C in melts with high lithium or sulfur activity. Single sealed FeS bipolar cells were operated for 1000 h and 100 cycles. Efforts are now being concentrated on the Li-alloy/FeS{sub 2} bipolar cell with molybdenum positive electrode current collector. Seal compositions that have a good matching of thermal expansion coefficient with molybdenum were developed. Over a dozen seals consisting of steel/ceramic/molybdenum have been fabricated based on a 3-cm-dia, bipolar cell design. The bipolar battery is expected to double specific power and increase specific energy by 30% over the monopolar battery configuration for {gt}500 W/kg and 200 Wh/kg in an electric-vehicle application. 4 refs., 3 figs., 3 tabs.
- Research Organization:
- Argonne National Lab., IL (USA)
- Sponsoring Organization:
- DOE/CE
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5218225
- Report Number(s):
- CONF-8910107-8; ON: DE90004887
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250902 -- Energy Storage-- Batteries-- Performance & Testing
33 ADVANCED PROPULSION SYSTEMS
330300* -- Advanced Propulsion Systems-- Electric-Powered Systems
42 ENGINEERING
420500 -- Engineering-- Materials Testing
ALLOYS
CERAMICS
CHALCOGENIDES
CHEMICAL ANALYSIS
DATA
DESIGN
EFFICIENCY
ELECTRIC BATTERIES
ELECTRIC CONDUCTIVITY
ELECTRIC-POWERED VEHICLES
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTROLYTES
ELEMENTS
ENERGY EFFICIENCY
EXPERIMENTAL DATA
FABRICATION
GASKETS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
IRON COMPOUNDS
IRON SULFIDES
LITHIUM ALLOYS
LITHIUM-SULFUR BATTERIES
MATERIALS TESTING
METAL-NONMETAL BATTERIES
METALS
MOLTEN SALTS
MOLYBDENUM
NUMERICAL DATA
PERFORMANCE TESTING
PHYSICAL PROPERTIES
SALTS
SEALS
STEELS
SULFIDES
SULFUR COMPOUNDS
TECHNOLOGY ASSESSMENT
TEMPERATURE EFFECTS
TESTING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
VEHICLES
250902 -- Energy Storage-- Batteries-- Performance & Testing
33 ADVANCED PROPULSION SYSTEMS
330300* -- Advanced Propulsion Systems-- Electric-Powered Systems
42 ENGINEERING
420500 -- Engineering-- Materials Testing
ALLOYS
CERAMICS
CHALCOGENIDES
CHEMICAL ANALYSIS
DATA
DESIGN
EFFICIENCY
ELECTRIC BATTERIES
ELECTRIC CONDUCTIVITY
ELECTRIC-POWERED VEHICLES
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTROLYTES
ELEMENTS
ENERGY EFFICIENCY
EXPERIMENTAL DATA
FABRICATION
GASKETS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
IRON COMPOUNDS
IRON SULFIDES
LITHIUM ALLOYS
LITHIUM-SULFUR BATTERIES
MATERIALS TESTING
METAL-NONMETAL BATTERIES
METALS
MOLTEN SALTS
MOLYBDENUM
NUMERICAL DATA
PERFORMANCE TESTING
PHYSICAL PROPERTIES
SALTS
SEALS
STEELS
SULFIDES
SULFUR COMPOUNDS
TECHNOLOGY ASSESSMENT
TEMPERATURE EFFECTS
TESTING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
VEHICLES