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Method and apparatus for measurement of electrochemical cell and battery impedances

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-027/416
출원번호 US-0747341 (2000-12-22)
발명자 / 주소
  • Kozlowski James D.
출원인 / 주소
  • The Penn State Research Foundation
대리인 / 주소
    Goebel, Jr., Esq.
인용정보 피인용 횟수 : 20  인용 특허 : 24

초록

A battery's impedance is measured by a technique that normally uses a current divider network which is connected to the battery. The circuit used according to this technique has a current generator producing a regulated current signal and has one or more sensing impedances which are normally positio

대표청구항

[ What is claimed is:] [1.]1. An apparatus for measuring impedance in an electrochemical cell comprising:a current generator for producing an input current signal I.sub.i along a current signal path in a current divider network;said current divider network having at least a sensing current path and

이 특허에 인용된 특허 (24)

  1. Burkum Merlin E. (Elmhurst IL) Gabriel Charles M. (Lombard IL), Apparatus and method for measuring battery condition.
  2. Gabriel Charles M. (Lombard IL) Burkum Merlin E. (Elmhurst IL), Apparatus and method for utilizing polarization voltage to determine charge state of a battery.
  3. Wurst John W. (Far Hills NJ) Garron Stephen A. (Elizabeth NJ) Dob Allan M. (Clifton NJ), Apparatus for measuring internal resistance of wet cell storage batteries having non-removable cell caps.
  4. Muramatsu Kunihiro (Yokosuka JPX), Battery condition monitor and monitoring method.
  5. Wayne David A. (Scottsdale AZ) Huyhn Tho (Mesa AZ) Ireland Jeff (Brooklyn Park MN), Battery impedance measurement apparatus.
  6. Becker Thomas P., Battery impedance monitor.
  7. Mann Brian M. (Northridge CA), Battery monitoring means and method for an implantable tissue stimulator.
  8. Mann Brian M. (Northride CA) Beane Russell R. (Sepulveda CA), Battery monitoring means for an implantable living tissue stimulator.
  9. Cameron David B. (Seattle WA) Powers Daniel (Bainbridge Island WA) Lyster Thomas (Bothell WA) Morgan Carlton (Bainbridge Island WA), Battery system and method for determining a battery condition.
  10. Troy Michael E., Battery tester for JIS Standard.
  11. Renirie Alexis C. M. (Nijmegen NLX), Circuit and method for detecting battery source end of life.
  12. Schmidt Karl-Heinz (Oberwart ATX), Device with a current divider for controlling adjustment of signals from sensors.
  13. Champlin Keith S. (5437 Elliot Ave. South Minneapolis MN 55417), Electronic battery tester with very high noise immunity.
  14. Howes ; Edward P., Electronic hydrometer.
  15. Thompson David L. (Fridley MN), Method and apparatus for battery depletion monitoring.
  16. Champlin Keith S., Method and apparatus for measuring complex impedance of cells and batteries.
  17. Champlin Keith S., Method and apparatus for measuring complex impedance of cells and batteries.
  18. Okazaki Susumu (Ikeda JPX) Higuchi Shunichi (Hirakata JPX) Nakamura Osamu (Ikeda JPX) Takahashi Sachio (Minoo JPX), Method and apparatus for measuring remaining charge of galvanic cell.
  19. Dowgiallo ; Jr. Edward J. (Oxon Hill MD), Method for determining battery state of charge by measuring A.C. electrical phase angle change.
  20. Alvarez Jose A. ; Dob Allan M., Noise reduction in an on-line battery impedance measurement system.
  21. Wurst John W. (Chester Township ; Morris County NJ), On-line battery impedance measurement.
  22. Frost John G. (Santa Clara CA), Pacemaker battery impedance test circuit and method of operation.
  23. Winter John J. (Atlantic Highlands NJ) Breslin James T. (Asbury Park NJ) Ross Raymond L. (Ocean NJ) Rothwarf Frederick (Toms River NJ), State-of-charge indicator for zinc-mercuric oxide primary cells.
  24. Liebermann Leonard (La Jolla CA), Storage battery condition tester utilizing low load current.

이 특허를 인용한 특허 (20)

  1. Kang, Ju-Hyun; Akimov, Volodymyr, Apparatus and method for sensing battery cell voltage using isolation capacitor.
  2. Kang, Ju-Hyun; Volodymyr, Akimov, Apparatus and method for sensing battery cell voltage using isolation capacitor.
  3. Fechalos, William; Conrardy, N. William, Battery string performance measurement.
  4. Christophersen, Jon P.; Morrison, John L.; Morrison, William H.; Motloch, Chester G.; Rose, David M., Crosstalk compensation in analysis of energy storage devices.
  5. Staton, Kenneth L., Detecting an end of life for a battery using a difference between an unloaded battery voltage and a loaded battery voltage.
  6. Morrison, John L; Morrison, William H; Christophersen, Jon P, Energy storage cell impedance measuring apparatus, methods and related systems.
  7. Tinnemeyer,Joern A., Method and apparatus for battery testing.
  8. Christophersen, Jon P.; Motloch, Chester G.; Morrison, John L.; Albrecht, Weston, Method and apparatus for in-situ characterization of energy storage and energy conversion devices.
  9. Syracuse,Kenneth; Waite,Noelle; Gan,Hong; Takeuchi,Esther S., Method for estimating long term end-of-life characteristics using short-term data for lithium/silver vanadium oxide cells.
  10. Morrison, John L.; Morrison, William H.; Christophersen, Jon P., Method of detecting system function by measuring frequency response.
  11. Morrison, John L.; Morrison, William H.; Christophersen, Jon P.; Motloch, Chester G., Method of detecting system function by measuring frequency response.
  12. Morrison,John L.; Morrison,William H., Method of detecting system function by measuring frequency response.
  13. Morrison, John L.; Morrison, William H.; Christophersen, Jon P.; Motloch, Chester G., Method of estimating pulse response using an impedance spectrum.
  14. Morrison, John L.; Morrison, William H.; Christophersen, Jon P.; Motloch, Chester G., Method, system and computer-readable media for measuring impedance of an energy storage device.
  15. Depew, John M., Momentarily enabled electronic device.
  16. Depew, John M., Momentarily enabled electronic device.
  17. Pance, Aleksandar; Rundle, Nicholas Alan; Field, John Douglas, Multi-output power supply.
  18. Kerr, Duncan; Falkenburg, David Robbins; Nugent, Michael, Power adapter with internal battery.
  19. Greening, Thomas Charles; Athas, William; Michalske, Steven Charles, Power source having a parallel cell topology.
  20. Akutsu, Tomomi; Yamazaki, Daisuke; Tomosada, Nobuhiro; Kimura, Atsufumi; Kawano, Makoto; Torai, Souichirou; Yano, Tetsuo, Secondary battery tester, secondary battery testing method, and manufacturing method of secondary battery.
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