Cavitand electrolytic cell and electrolytic process

Details Cavitand electrolytic cell and electrolytic process Cavitand electrolytic cell and electrolytic process

1995-07-13

1996-08-20

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Having nonmovable means providing motion between electrolyte...

429122, 429137, 429208, 429212, 429216, 205 57, 205 59, H01M 238

Patent

active

055477780

ABSTRACT:
An electrolytic cell, such as a rechargeable lithium battery, having cavitands associated with a metal ion source-electrode and an electrolyte. The cavitands, which are anchored to the electrode by a polymer leash, are capable of releasably attracting particular ions, such as lithium ions, which are migrating from the electrolyte, toward the surface of the electrode during electrodeposition. The polymer leash serves to continuously maintain the cavitands at a predetermined distance away from the surface of the electrode, regardless of surface area fluctuations, typically caused during deposition and dissolution of the particular ions. Accordingly, the cavitands facilitate substantially uniform electrodeposition of the particular ions, which, in turn, substantially suppresses and/or controls the formation and growth of a passive film or layer, on the electrode surface, which may otherwise promote the formation of dendrites.

REFERENCES:
patent: 5434021 (1995-07-01), Fauteux et al.
Article Entitled "Molecular Recognition by Self-Assembled Monolayers of Cavitand Receptors" Published in Science, vol. 265 on Sep. 2, 1994 on pp. 1413-1415, authored by K. D. Schierbaum et al.

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