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Lithium/selenium secondary battery for implantation. Annual report, 23 June 1970--30 July 1971. [Li/Se and Li--Al/S--Se--Tl, 400 C, 30 W]

Technical Report ·
OSTI ID:7232529
; ; ; ;
A lithium/selenium battery is being developed as an implantable power source for an artificial heart or heart-assist device. During this period, the principal effort was directed toward extending the lifetimes of two types of lithium/selenium cells operating at about 400C. One type consists of a liquid lithium anode, a liquid selenium cathode, and a rigid past electrolyte composed of a molten-salt eutectic and lithium aluminate filler. The other type employs a molten-salt-eutectic liquid electrolyte, a solid lithium--aluminum alloy anode, and an immobilized sulfur--selenium--thallium alloy cathode. Cell cycle life had been severely limited by the transport of selenium to the anode; long-term, steady-state operation of single cells using Se--Tl cathodes demonstrated that this problem has been solved. An improved cell design (employing a liquid electrolyte and solid lithium--aluminum anode) which appears capable of meeting or exceeding the capacity density, power density, and weight objectives for an implantable 30-W battery is presented.
Research Organization:
Argonne National Lab., IL (USA)
OSTI ID:
7232529
Report Number(s):
PB-215623
Country of Publication:
United States
Language:
English

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Related Subjects

25 ENERGY STORAGE
250901* -- Energy Storage-- Batteries-- Design & Development
ALKALI METALS
ALLOYS
ALUMINIUM ALLOYS
DESIGN
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELEMENTS
ENERGY STORAGE SYSTEMS
EUTECTICS
FLUIDS
HIGH TEMPERATURE
LIQUIDS
LITHIUM
LITHIUM ALLOYS
MECHANICAL HEART
MEDICAL SUPPLIES
METAL-NONMETAL BATTERIES
METALS
PERFORMANCE
POWER RANGE 10-100 W
PROSTHESES
SELENIUM
SELENIUM ALLOYS
SEMIMETALS
SULFUR COMPOUNDS
THALLIUM ALLOYS