Investigation of battery active nickel oxides Final report
Identification and characterization of battery active compound structures formed on nickel oxide electrode during charging and discharging
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Identification and characterization of battery active compound structures formed on nickel oxide electrode during charging and discharging
Automatic battery formation cycler and controller to determine charge capacity and to perform charge-discharge operations for electrochemical cells intended for satellite power sources
Fabrication and testing of battery separator material of modified polyethylene film
Develop battery that will meet DS-2 power requirements under specified operational, environmental, and life requirements.
Development of sealed lead-acid battery with lead- calcium grid for space application
Aqueous and nonqueous electrolytic actions, and energy density measurements for dry tape battery
The Jet Propulsion Laboratory will test a lithium battery (Li- TiS2) in orbit and examine the battery after it is returned to Earth. The results will be used to suggest design changes for a battery that may eventually be 3-4 times lighter than the equivalent NiCd battery.
Multisweep cyclic voltammetry for electrochemical characterization of systems for secondary battery application
Test of electrochemical cell and local action mechanisms of wet cell battery for space probe applications
Dry tape battery concept - cathode and anode research, energy densities, tape cell preparation, and supporting research
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The unique power requirement of NASA's Galileo Jupiter Probe are most readily met by a Li/SO2 battery; however, because this battery system is not space flight proven, extensive effort was required to qualify this device from the stand point of performance and safety. Due to the rather checkered safety record of the Li/SO2 system, safety has been foremost among the design considerations and has been addressed at the cell, battery and system level. The mission requirements which led to the choice of the Li/SO2 battery and the safety engineering which went into the battery and power system design are described.
The NASA Aerospace Flight Battery Systems Program task status is reviewed. Major tasks incorporated in the program are battery systems, secondary batteries, and primary batteries.
High capacity nonaqueous secondary battery development - lithium deposition and cycling, ionic solvation, cathode construction and discharge efficiency, and solvent purification
A circuit for charging a battery combined with a capacitor includes a power supply adapted to be connected to the capacitor, and the battery. The circuit includes an electronic switch connected to the power supply. The electronic switch is responsive to switch between a conducting state to allow current and a non-conducting state to prevent current flow. The circuit includes a control device connected to the switch and is operable to generate a control signal to continuously switch the electronic switch between the conducting and non-conducting states to charge the battery.
Topics considered include: NASA-Small Spacecraft Technology Initiative (SSTI) objectives, SSTI-Lewis overview, battery requirement, two cells Common Pressure Vessel (CPV) design summary, CPV electric performance, battery design summary, battery functional description, battery performance.
High energy anode and cathode development, electrolyte encapsulation, tape activation, and parasitic operation techniques for dry tape battery concept
High energy anode and cathode for dry tape battery - incapsulation of electrolyte - manufacturing and testing of device