GB659368A - Improvements in or relating to primary electric cells - Google Patents

Improvements in or relating to primary electric cells

Info

Publication number
GB659368A
GB659368A GB23420/49A GB2342049A GB659368A GB 659368 A GB659368 A GB 659368A GB 23420/49 A GB23420/49 A GB 23420/49A GB 2342049 A GB2342049 A GB 2342049A GB 659368 A GB659368 A GB 659368A
Authority
GB
United Kingdom
Prior art keywords
electrolyte
magnesium
surrounded
manganese dioxide
ammonium bromide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB23420/49A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB659368A publication Critical patent/GB659368A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/46—Alloys based on magnesium or aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte

Abstract

659,368. Primary batteries. DOW CHEMICAL CO. Sept. 9, 1949, No. 23420. Convention date, Jan. 27. [Class 53] A primary cell has a carbon cathode surrounded by manganese dioxide, a magnesium or magnesium alloy anode, and an electrolyte consisting of an aqueous solution of ammonium bromide. The magnesium alloy may contain small quantities of aluminium, zinc, calcium, and manganese and to prevent corrosion of the anode by the electrolyte the latter may. contain chromates or bichromates of sodium, lithium, calcium, or ammonium. Fig. 1 shows one form of cell in which a receptacle 1 is divided by a perforated partition 4 on one side of which is a sheet 6 of porous material such as filter paper. The compartment 2 contains a magnesium plate 7 immersed in a solution of ammonium bromide, the compartment 3 containing a carbon rod 10 surrounded by a mixture of manganese dioxide and finely divided carbon moistened with the electrolyte. A dry cell is also described having a magnesium container, a central carbon rod surrounded by a manganese dioxide depolarizer, and a jelly electrolyte of ammonium bromide between the depolarizer and container.
GB23420/49A 1949-01-27 1949-09-09 Improvements in or relating to primary electric cells Expired GB659368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73064A US2547908A (en) 1949-01-27 1949-01-27 Primary cell

Publications (1)

Publication Number Publication Date
GB659368A true GB659368A (en) 1951-10-24

Family

ID=22111504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23420/49A Expired GB659368A (en) 1949-01-27 1949-09-09 Improvements in or relating to primary electric cells

Country Status (2)

Country Link
US (1) US2547908A (en)
GB (1) GB659368A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616940A (en) * 1949-12-22 1952-11-04 Dow Chemical Co Primary cell
CA567817A (en) * 1952-02-27 1958-12-23 The Dow Chemical Company Primary cell
US2708242A (en) * 1952-06-28 1955-05-10 Ruben Samuel Radiation dosimeter
BE524612A (en) * 1952-11-26
CA609953A (en) * 1955-08-08 1960-12-06 W. Glesner Charles Primary cell
US3433679A (en) * 1966-07-20 1969-03-18 E & B Inc Primary alkaline cell

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1521295A (en) * 1921-05-12 1924-12-30 Diamond Electric Specialties C Dry cell
US2343194A (en) * 1940-11-01 1944-02-29 Burgess Battery Co Dry cell

Also Published As

Publication number Publication date
US2547908A (en) 1951-04-03

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