Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Having nonmovable means providing motion between electrolyte...
Patent
1979-03-02
1980-11-18
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Having specified venting, feeding or circulation structure
Having nonmovable means providing motion between electrolyte...
429112, 429199, H01M 636
Patent
active
042346673
ABSTRACT:
A battery includes a negative electrode comprising metallic lithium (Li) in conjunction with lithium chlorate (LiClO.sub.3) electrolyte. Lithium perchlorate (LiClO.sub.4) may also be used as the electrolyte. Lithium chloride (LiCl) and lithium oxide (Li.sub.2 O), individually or together, may also be utilized with lithium chlorate or lithium perchlorate in forming the electrolyte. A positive electrode comprises a metal, such as nickel. In one form, a sheet of lithium metal is sandwiched between two sheets of nickel comprising a negative electrode, one nickel sheet being perforated to permit contact between the lithium sheet and a lithium chlorate electrolyte contained within an insulative member, the other electrode comprising a film of metallic nickel disposed upon the insulative member and in contact with the electrolyte; alternatively, a film or sheet of lithium metal may be disposed upon the insulator as a negative electrode. An additional form includes a ceramic housing comprising a solid ionic conductor and having an interior chamber containing sodium (Na) or lithium as a negative electrode; a liquid electrolyte is disposed within a recess formed by the exterior walls of the housing and a positive electrode in the form of a layer of metallic nickel disposed around the exterior walls of the housing, the electrolyte being in electrical contact with the respective electrodes. A pocket cell form comprises a liquid electrolyte disposed within a recess of a block with the negative electrode inside the recess and the positive electrode in the form of a screen at the mouth of the recess.
REFERENCES:
patent: 3510357 (1970-05-01), Nielson
patent: 3751298 (1973-08-01), Senderoff
patent: 4068045 (1978-01-01), Abrams
patent: 4086396 (1978-04-01), Mathers et al.
patent: 4086403 (1978-04-01), Whittingham et al.
patent: 4152491 (1979-05-01), Chang et al.
Bennion Douglas N.
Wang Su-Chee S.
Skapars Anthony
The Regents of the University of California
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