US1822746A - Lead plate for electric accumulators - Google Patents

Lead plate for electric accumulators Download PDF

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Publication number
US1822746A
US1822746A US282867A US28286728A US1822746A US 1822746 A US1822746 A US 1822746A US 282867 A US282867 A US 282867A US 28286728 A US28286728 A US 28286728A US 1822746 A US1822746 A US 1822746A
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US
United States
Prior art keywords
fins
plate
ribs
adjacent
faces
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 - Lifetime
Application number
US282867A
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English (en)
Inventor
Pouchain Adolfo
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US1822746A publication Critical patent/US1822746A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H01M4/14—Electrodes for lead-acid accumulators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This invention has for its object a lead plate intended to provide a positive electrode for electric accumulators and which, while providing a very large contact area with the g construction and is not subject 'to deformations.
  • the plate according to the present invention comprises solid and parallel ribs between which projecting fins are located in i transverse direction, said fins being separate from each other and alternating with fins similarly located on the opposed surfaces of the plate, preferably in such a manner that between two adjacent ribs and the series of fins therebetween, a longitudinal passage is provided whose two opposite surfaces are interrupted between two adjacent fins.
  • Figure 2 is a section on line 22 of Figure 1, this section being made to an enlarged scale and showing means used for the manufacture of the plate;
  • Figure 3 is a section on line 3-3 of Fig. 1, showing means for the manufacture of the plate;
  • Figure 4 is a; front view of a complete plate divided in sections, in which fins are differently directed.
  • the plate comprises opposed series of fins 1, 1 said series being separated by solid ribs 2 and encircled in their whole by a frame 3.
  • each series the fins 1 are separated from each other by regular gaps 4 registering with fins located on the opposite face of the plate. ghe gaps 4 between fins 1 being in front of F ins'l and 1' of a set are thus alternating with fins 1 and 1' of the adjacent sets, as shown by Figure 2.
  • each series of opposite fins 1 and 1' provides a: passage 5 confined by the internal edges of the fins and by two adjacent ribs 2.
  • each of said punch devices comprises a series of superimposed plates 6- -6 having a serrated edge which provides projections 7 and recesses 7 the several plates 6-6 of each device are arranged each with its projections 7 and recesses 7 in register with recesses 7 and projections 7 of the adjacent plates of its set and of the plate in register with it or in the line-opposite to it in the cooperating punch-device intended to act on the opposite face of the lead plate (see Figs. 2 and Bolts'8 engage holes of the plates of each set to hold them in cooperative position.
  • projections 7 and recesses 7 have size and shape agreeing with those of spaces H. and fins 1-1 to be produced therefrom.
  • the described punch members are forced by any pressure means on the opposite faces of alead plate located therebetween to produce the required recessed and displaced metal fins in the same: in the drawings said punch devices are shown in register with and spaced from the faces of the lead plate they acted on for the manufacture, to make well clear both the shape of the plate and the construction of the punch devices.
  • a lead plate obtained in the described manner is of course very strong because of ribs .2 extending along it at a small distance from each other: at the same time owing to gaps intermediate the fins and passages 5 r provided intermediate ribs 2 and fins 1. 1' the plate has 'a very large area and provides an easy penetration by electrolyte.
  • each fin 1. 1 intermediate the adjacent ribs 2 provides for swelling of lead.
  • Fig. 4. To prevent any possible deformation of the plates mainly when they have large size, the arrangement of Fig. 4. may be used..
  • the plate is divided in sections 11 in which the series of fins 1-1 lie in different directions.
  • the frames 3 of sections 11 thus provide reinforcing ribs for the plate which in turn is encircled by a frame 12 which carries the supporting feet 9 and the extension 10 for connecting the plate with the circuit.
  • a lead electrode or plate for electric accumulators having faces and comprising a frame structure, parallel ribs in said structure, and adjacent fins parallel with each other and extending between each set of two adjacent ribs, said fins projecting alternately from said ribs on the opposite plate faces,
  • each row intermediate two adjacent ribs alternating with the fins of the rows at the sides thereof.
  • a lead electrode or plate for electric accumulators having faces and comprising a frame structure, parallel ribs in said structure, and fins extending between each two adjacent ribs, said fins being parallel with each other and projecting alternately from said ribs on the opposite plate faces, the adjacent faces of each two adjacent alternating fins lying in substantially the same plane.
  • a lead electrode or plate for electric accumulators having faces and comprising a frame structure, parallel ribs in said structure and fins extending between each two adjacent ribs, said fins being parallel with each other and projecting alternately from said ribs on the opposite plate faces, the adj a cent faces of each two adjacent alternating fins lying in the same plane, said adjacent faces of each fin lying in planes substantially perpendicular to the plate faces.
  • a lead electrode or plate for electric accumulators having faces and comprising ture, and fins extendin between each two adjacent ribs, said fins parallel with eing each other and projectin a ternately from.
  • a frame structure parallel ribs in said structure, and adjacent fins parallel with each other and extending between each two adjacent ones of said ribs, said fins projecting alternately from said ribs on the opposite plate faces, and leaving a substantially continuous unobstructed passage intermediate them and said adjacent ribs.
  • a lead electrode or plate for electric accumulators having faces and comprising a frame structure, parallel ribs in said struc-

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
US282867A 1928-01-10 1928-06-04 Lead plate for electric accumulators Expired - Lifetime US1822746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE303824X 1928-01-10

Publications (1)

Publication Number Publication Date
US1822746A true US1822746A (en) 1931-09-08

Family

ID=6114035

Family Applications (1)

Application Number Title Priority Date Filing Date
US282867A Expired - Lifetime US1822746A (en) 1928-01-10 1928-06-04 Lead plate for electric accumulators

Country Status (3)

Country Link
US (1) US1822746A (enrdf_load_stackoverflow)
BE (1) BE356915A (enrdf_load_stackoverflow)
GB (1) GB303824A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB303824A (en) 1929-02-07
BE356915A (enrdf_load_stackoverflow)

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