Method and unit for filling electrochemical cells

Details Method and unit for filling electrochemical cells Method and unit for filling electrochemical cells

1989-12-01

1993-05-25

Kalafut, Stephen

Metal working

Method of mechanical manufacture

Electrical device making

141192, 429 64, H01M 236

Patent

active

052128679

ABSTRACT:
A method and unit for filling electrochemical cells, especially lithium cells, with an electrolyte. The cells are first evacuated while simultaneously checking the same for short circuits. The further filling process is terminated for any cell determined to have a short circuit. After the final vacuum level has been achieved, the cells are subsequently filled with the electrolyte while simultaneously monitoring the electrical voltage at the cells. The filling process is terminated for any cell determined to have a deviation from a prescribed voltage.

REFERENCES:
patent: 3434887 (1969-03-01), Seckinger
patent: 3748186 (1973-07-01), Rosansky et al.
patent: 4529020 (1985-07-01), Hoover et al.
Thomas M. Watson; Manufacturing Techniques for Hermetically Sealed Lithium rganic Electrolyte Cells; pp. 192-195 (date unknown).
Ralph E. White, J. O'M. Bockris and B. E. Conway; Modern Aspects of Electrochemistry; pp. 215-216 (date unknown).
David Linden; Handbook of Batteries and Fuel Cells; "Reserve And Special Batteries" (date unknown).
Robert W. Brown; Lithium-Thionyl Chloride Pressure Activated Reserve Battery (Parb); 11-14 Jun. 1984; pp. 460-465.
U. Zak and G. Yariv; Lithium Thionyl Chloride, High-Rate, Reserve Battery; pp. 453-459 (date unknown).
Notification of Presentation; Aug. 1986.
Bundesamt f',uml/u/ r Wehrtechnik und Beschaffung; Presentation of test results; Sep. 20, 1988.
Dr. Gunter Eichinger and Dr. Gunter Semrau; Studie uber Realisiebarkeitsnachweis Lithium-Thionylchlorid Torpedobatterie Fur Torpedo DM 2 A 4; Final Report of Jul. 1985 to Feb. 1988.

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