CA2270635A1 - Protective device for a repeatedly rechargeable electrochemical battery - Google Patents

Protective device for a repeatedly rechargeable electrochemical battery Download PDF

Info

Publication number
CA2270635A1
CA2270635A1 CA002270635A CA2270635A CA2270635A1 CA 2270635 A1 CA2270635 A1 CA 2270635A1 CA 002270635 A CA002270635 A CA 002270635A CA 2270635 A CA2270635 A CA 2270635A CA 2270635 A1 CA2270635 A1 CA 2270635A1
Authority
CA
Canada
Prior art keywords
protective device
battery
housing
rechargeable electrochemical
protective
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.)
Granted
Application number
CA002270635A
Other languages
French (fr)
Other versions
CA2270635C (en
Inventor
Andreas Volz
Joachim Baumann
Klaus Bogdanowitz
Hans Leysieffer
Dieter Muller
Gerd Muller
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.)
Cochlear Ltd
Original Assignee
Implex AG Hearing Technology
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 Implex AG Hearing Technology filed Critical Implex AG Hearing Technology
Publication of CA2270635A1 publication Critical patent/CA2270635A1/en
Application granted granted Critical
Publication of CA2270635C publication Critical patent/CA2270635C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/216—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for button or coin cells
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/578—Devices or arrangements for the interruption of current in response to pressure
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • 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

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)
  • Protection Of Static Devices (AREA)

Abstract

A protective device for a repeatedly rechargeable electrochemical battery (10) with a battery housing (12), the protective device having at least one switching element (86) which can be activated by a detector element (62) and which is designed or adjusted to prevent recharging and/or discharging of the battery (10) in an impermissible operating state thereof. The protective device has a hermetically sealed protective housing (54) which holds the battery housing (12). An impermissible operating state of the battery (10) causes a change in shape (deflection) to be impressed on the detector element (62). Preferably, the at least one switching element (86) is made as a make contact which electrically short circuits a recharging circuit supplied by a charging device when a predetermined expansion in the volume of the battery housing (12) and/or gas escape therefrom occurs. The protective device is part of an implantable device, such as a hearing aid.
CA002270635A 1998-08-20 1999-05-03 Protective device for a repeatedly rechargeable electrochemical battery Expired - Fee Related CA2270635C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19837909.9 1998-08-20
DE19837909A DE19837909C2 (en) 1998-08-20 1998-08-20 Protection device for a multi-rechargeable electrochemical battery

Publications (2)

Publication Number Publication Date
CA2270635A1 true CA2270635A1 (en) 2000-02-20
CA2270635C CA2270635C (en) 2003-11-11

Family

ID=7878219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002270635A Expired - Fee Related CA2270635C (en) 1998-08-20 1999-05-03 Protective device for a repeatedly rechargeable electrochemical battery

Country Status (8)

Country Link
US (1) US6143440A (en)
EP (1) EP0981173B1 (en)
AT (1) ATE268057T1 (en)
AU (1) AU764428B2 (en)
CA (1) CA2270635C (en)
DE (2) DE19837909C2 (en)
DK (1) DK0981173T3 (en)
ES (1) ES2217481T3 (en)

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Also Published As

Publication number Publication date
EP0981173A1 (en) 2000-02-23
DE19837909C2 (en) 2001-05-17
CA2270635C (en) 2003-11-11
DK0981173T3 (en) 2004-08-16
US6143440A (en) 2000-11-07
AU764428B2 (en) 2003-08-21
DE59811473D1 (en) 2004-07-01
ATE268057T1 (en) 2004-06-15
ES2217481T3 (en) 2004-11-01
DE19837909A1 (en) 2000-02-24
AU2697299A (en) 2000-03-16
EP0981173B1 (en) 2004-05-26

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20060503