FR3125172B1 - Connection part for electrochemical element in prismatic format - Google Patents

Connection part for electrochemical element in prismatic format Download PDF

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Publication number
FR3125172B1
FR3125172B1 FR2107557A FR2107557A FR3125172B1 FR 3125172 B1 FR3125172 B1 FR 3125172B1 FR 2107557 A FR2107557 A FR 2107557A FR 2107557 A FR2107557 A FR 2107557A FR 3125172 B1 FR3125172 B1 FR 3125172B1
Authority
FR
France
Prior art keywords
positive
negative
connection part
strips
electrochemical element
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.)
Active
Application number
FR2107557A
Other languages
French (fr)
Other versions
FR3125172A1 (en
Inventor
Nicolas Schiffano
Arthur Bignon
GéRARD RIGOBERT
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.)
SAFT Societe des Accumulateurs Fixes et de Traction SA
Original Assignee
SAFT Societe des Accumulateurs Fixes et de Traction SA
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 SAFT Societe des Accumulateurs Fixes et de Traction SA filed Critical SAFT Societe des Accumulateurs Fixes et de Traction SA
Priority to FR2107557A priority Critical patent/FR3125172B1/en
Publication of FR3125172A1 publication Critical patent/FR3125172A1/en
Application granted granted Critical
Publication of FR3125172B1 publication Critical patent/FR3125172B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
    • H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

Un élément électrochimique (20) comprenant :a) un assemblage parallélépipèdique (F) d’au moins une plaque positive et d’au moins une plaque négative séparées par un séparateur, ladite au moins une plaque positive ou négative comportant une tête de plaque positive (1) ou négative (2) ;b) une pièce de connexion électrique (3) positive / négative connectant ladite au moins une tête de plaque positive / négative à une borne positive / négative de sortie de courant (8, 9) ;la pièce de connexion électrique positive / négative étant constituée d’une superposition d’une pluralité de feuillards métalliques et comportant : i) deux parties (4, 5) constituées chacune de portions de feuillards fixées les unes aux autres et ii) une partie coudée (6) constituée de portions libres des feuillards, les portions libres des feuillards étant de longueurs différentes. Figure d’abrégé : Figure 3bAn electrochemical element (20) comprising: a) a parallelepiped assembly (F) of at least one positive plate and at least one negative plate separated by a separator, said at least one positive or negative plate comprising a positive plate head (1) or negative (2);b) a positive/negative electrical connection part (3) connecting said at least one positive/negative plate head to a positive/negative current output terminal (8, 9);the positive/negative electrical connection part consisting of a superposition of a plurality of metal strips and comprising: i) two parts (4, 5) each made up of portions of strips fixed to each other and ii) an elbow part ( 6) made up of free portions of the strips, the free portions of the strips being of different lengths. Abstract figure: Figure 3b

FR2107557A 2021-07-12 2021-07-12 Connection part for electrochemical element in prismatic format Active FR3125172B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2107557A FR3125172B1 (en) 2021-07-12 2021-07-12 Connection part for electrochemical element in prismatic format

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2107557 2021-07-12
FR2107557A FR3125172B1 (en) 2021-07-12 2021-07-12 Connection part for electrochemical element in prismatic format

Publications (2)

Publication Number Publication Date
FR3125172A1 FR3125172A1 (en) 2023-01-13
FR3125172B1 true FR3125172B1 (en) 2023-11-03

Family

ID=78770679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2107557A Active FR3125172B1 (en) 2021-07-12 2021-07-12 Connection part for electrochemical element in prismatic format

Country Status (1)

Country Link
FR (1) FR3125172B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2760143B1 (en) * 1997-02-24 1999-04-16 Alsthom Cge Alcatel HIGH POWER SWIVEL CURRENT
FR2824667B1 (en) * 2001-05-14 2004-07-02 Cit Alcatel INTERNAL CONNECTION FOR HIGH POWER ELECTROCHEMICAL GENERATOR
JP5506837B2 (en) * 2012-02-13 2014-05-28 三菱重工業株式会社 battery
CN109937494B (en) * 2017-01-06 2021-09-17 宁德时代新能源科技股份有限公司 Power battery top cover structure, power battery and battery module
CN108598353B (en) 2018-01-16 2020-10-23 宁德时代新能源科技股份有限公司 Rechargeable battery

Also Published As

Publication number Publication date
FR3125172A1 (en) 2023-01-13

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