Abstract
The development of batteries with high specific power and energy densities will enable the next generation of smart devices, and allow for more efficient implementation of all-electric aircraft and urban air mobility (UAM) technologies. Additive manufacturing technologies can be leveraged to produce engineered 3-dimensional cell structures with increased electrolyte/electrode interfacial area, yielding increased power density and reducing weight through the implementation of ceramic electrodes. Direct-write additive manufacturing (DWAM) technology allows for the deposition of solid-bearing inks with a high degree of dimensional accuracy. Ink rheology was adjusted in order to optimize material characteristics of the final object. Engineered LiFePO4 (LFP) cell structures were manufactured, sintered, and characterized by leveraging the sub-micron accuracy of direct write printing. The sintered electrodes were shown to exhibit favorable porosity and dimensional tolerances. The direct write additive manufacturing process, ink rheology, and sintering properties will also be discussed
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