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Batteries For Obs Instrumentation

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Batteries  for  OBS   Instrumentation   Carlos  Becerril   OBS  Laboratory   Our  Current  Battery  Assembly   The  Battery  is  a  Central  Piece  to  the   OBS   Seismometer   Absolute  Pressure  Gauge     Differential  Pressure  Gauge   Data  Recorder   Hydrophone   The  Key  Role  of  the  Battery   Size  of   Battery   Size  of   Pressure   Casing   Floatation   Needed   Size  &  Shape     of  Frame   A  Few  Considerations   Temperature   Performance   Low  Temperatures   Safety  o peration   &f    TOoxicity   Standard  main  battery  pack  assembly   For  LDEO-­‐OBS  instrument     Long-­‐Shelf-­‐ Term  LDife   eployments     ate   High  Discharge   Pressure  ER nvironments   Weight   vs  D Buoyancy   Energy   ensity   Safety  of  operation       Remnants of a battery pack after undergoing combustion     Options   Increasing  Energy  density                                       •  •  •                                       In  Seawater:   Need  pressure  housing   Energy  density  reduced  by  50%   Need  to  add  bouyancy   •  Fuel  cells  make  little  sense  for                OBS  instruments         What  batteries  are  we  using  in  our   instruments?   *  DD  Lithium  primary  cells   *  Lithium  Bromine  Chloride   rates different CapacityDischarge as a function of for current and currents temperature Lithium  Bromine  Chloride  Cell.  Electrochem.  Clarence,  NY   Can  We  Use  Recheargables?     *  Waste  reduction   *  Lower  cost   X.  Chen,  W.  Shen,  et  al.  An  Overview  of  Lithium-­‐ion  Batteries  for  Electric  Vehicles.  IPEC,  IEEE  2012     Li-­‐ion  Rechargeable  Batteries   Voltage  versus  capacity  of  various  lithium-­‐ion  batteries   Performance  comparison  among  commercially-­‐viable  lithium-­‐ion  batteries     X.  Chen,  W.  Shen,  et  al.  An  Overview  of  Lithium-­‐ion  Batteries  for  Electric  Vehicles.  IPEC,  IEEE  2012     The  Protected-­‐Electrode  Battery:   Li-­‐Air      Li-­‐Seawater   *  POLYPLUS   *  TELEDYNE   Electrode   Li+  electrolyte  stable   electrolyte  to  both  lithium   metal  &  solid     PolyPlus  Battery  Company,  Jan.  2014   Water-­‐stable  Li+  conductive   solid  electrolyte.  Unstable  to   reduction  by  lithium     The  Protected-­‐Electrode  Battery:   Li-­‐Air      Li-­‐Seawater   Teledyne  Tech.  Inc.   The  Protected-­‐Electrode  Battery:   Li-­‐Air      Li-­‐Seawater   Teledyne.com   PolyPlus  Battery  Company,  Jan.  2014   In  Summary:   Teledyne.com