The Performance Evaluation of 18650-Size Lithium-Ion Cells and Batteries for Future NASA Missions
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Engineering topics
Publications and source records attributed to Brandon, E..
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This paper will focus on the development of microinductors for a 1-10 MHz integrated dc-dc converter for space applications.
The prospect of a monolithic, integrated dc-dc converter has spurred the development in on-chip inductors using conventional silicon compatible fabrication techniques.
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Passivation films for thin film batteries have been prepared and the conductivity and voltage stability window have been measured. Thin films of Li2CO3 have a large voltage stability window of 4.8V, which facilitates the use of this film as a passivation at both the lithium anode-electrolyte interface at high cathodic potentials.
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In this paper a method for achieving integrated power electronics is discussed. Furture spacecraft are projected to feature high levels of intergration at the system level particularly in areas not typically associated with an integrated approach.
Rechargeable thin film microbatteries have recently become the topic of widespread research for use in low power applications such as battery-backed CMOS memory, miniaturized implantable medical devices and smart cards. In particular, the Center for Integrated Space Microsystems (CISM) at NASA's Jet Propulsion Laboratory has interest in applying this technology for secondary power systems in miniaturized satellites, microsensors, microactuators and other remote MEMS applications. The general requirements of the microbatteries for these applications are high specific energy, wide range of temperature stability. low self-discharge rate, and flexibility of cell design. The thin film Li ion materials system using LiCoO2(LiPO(x)N(1-x))SnO is expected to fulfill these requirements.