Integrated on-chip energy storage is increasingly important in the fields of internet of things, energy harvesting, and wearables with capacitors being ideal for devices requiring higher powers, low voltages, or many thousands of cycles. This work demonstrates electrochemical capacitors fabricated using porous Si nanostructures with very high surface-tovolume ratios and an electrolyte. Stability is achieved through ALD TiN or CVD carbon coatings. The use of Si processing methods creates the potential for on-chip energy storage.
Payloads launched by lunar mass-driver do not incorporate onboard midcourse correction, and their trajectories must accurately attain a specified launch state. We offer an integrated mass-driver launch system employing several novel features. We discuss payload containment and release, proposing a means for lowdispersion release. We propose "electromagnetic fins" for passive eddy-current damping of oscillations of the payload carriers (buckets). We consider the magnetic interaction of payload and bucket during payload separation and release, as a source of launch errors. We propose a novel optical scanner and note its use in a sequence which determines position errors of a payload center of mass. Finally, we indicate applications of basic mass-driver technology to the magnetic correction of payload trajectories, discussing adjustment of both transverse and longitudinal velocity components. It appears that the largest residual error source is a transverse velocity component ~ 0.003 cm/s, which for a mass-catcher near the L 2 libration point implies a circular error probable of diameter -3m.
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