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Title: STUDY OF ENERGY CONVERSION DEVICES. Report No. 7. Final Report, July 1959-May 1961

Abstract

Prior experiments showed the feasibility of alkali and alkaline earth metal/molten salt electrolyte/hydrogen gas electrochemical cells. These cells produce metal hydride, heat and electric power. Batch regeneration of a calcium - hydrogen cell was demonstrated. Regenerative cells were tested. The major difficulties noted were the plugging of the circulating salt lines, the low dissociation pressure of LiH in dilute solutions, and an electric cell-shorting effect arising after long operation. Various molten salt electrolytes were tested. Low melting point eutectic salts containing Na, Rb, Cs, K, and Li were found. Fluorides, bromides, and chlorides were found to be the best electrolytes. Borohydrides and iodides were not satisfactory. Various hydrogen electrode materials were tested. The best electrodes consisted of mesh electrodes or sintered porous disks. The dissociation of LiH over molten salts was determined, and the LiH content of various cell electrolytes was measured. The feasibility of the electrochemical cell, and of the hydride dissociation was demonstrated. However, the complete regenerative system was not reduced to practice. (auth)

Authors:
; ;
Publication Date:
Research Org.:
MSA Research Corp., Callery, Penna.
OSTI Identifier:
4827416
Report Number(s):
MSAR-61-99; AD-270212
NSA Number:
NSA-16-022286
DOE Contract Number:  
DA-36-039-SC-78955
Resource Type:
Technical Report
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-62
Country of Publication:
United States
Language:
English
Subject:
ENGINEERING AND EQUIPMENT; ALKALI METALS; ALKALINE EARTH METALS; BORON HYDRIDES; BROMIDES; CHLORIDES; CONVERSION; ELECTRICITY; ELECTROLYTES; ELECTROLYTIC CELLS; ENERGY; FLUORIDES; HEAT TRANSFER; HYDRIDES; HYDROGEN; LITHIUM HYDRIDES; MELTING POINTS; POROSITY; SALTS; SINTERING

Citation Formats

Ciarlariello, T A, McDonough, J B, and Shearer, R E. STUDY OF ENERGY CONVERSION DEVICES. Report No. 7. Final Report, July 1959-May 1961. United States: N. p., 1961. Web. doi:10.2172/4827416.
Ciarlariello, T A, McDonough, J B, & Shearer, R E. STUDY OF ENERGY CONVERSION DEVICES. Report No. 7. Final Report, July 1959-May 1961. United States. doi:10.2172/4827416.
Ciarlariello, T A, McDonough, J B, and Shearer, R E. Thu . "STUDY OF ENERGY CONVERSION DEVICES. Report No. 7. Final Report, July 1959-May 1961". United States. doi:10.2172/4827416. https://www.osti.gov/servlets/purl/4827416.
@article{osti_4827416,
title = {STUDY OF ENERGY CONVERSION DEVICES. Report No. 7. Final Report, July 1959-May 1961},
author = {Ciarlariello, T A and McDonough, J B and Shearer, R E},
abstractNote = {Prior experiments showed the feasibility of alkali and alkaline earth metal/molten salt electrolyte/hydrogen gas electrochemical cells. These cells produce metal hydride, heat and electric power. Batch regeneration of a calcium - hydrogen cell was demonstrated. Regenerative cells were tested. The major difficulties noted were the plugging of the circulating salt lines, the low dissociation pressure of LiH in dilute solutions, and an electric cell-shorting effect arising after long operation. Various molten salt electrolytes were tested. Low melting point eutectic salts containing Na, Rb, Cs, K, and Li were found. Fluorides, bromides, and chlorides were found to be the best electrolytes. Borohydrides and iodides were not satisfactory. Various hydrogen electrode materials were tested. The best electrodes consisted of mesh electrodes or sintered porous disks. The dissociation of LiH over molten salts was determined, and the LiH content of various cell electrolytes was measured. The feasibility of the electrochemical cell, and of the hydride dissociation was demonstrated. However, the complete regenerative system was not reduced to practice. (auth)},
doi = {10.2172/4827416},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1961},
month = {9}
}