Active Water Management for PEM Fuel Cells. In: Micro Power Sources. Design and tuning of a vacuum microplasma spray system: Particle entrainment. In this paper, we describe the design of the tool and demonstrate its capability for atomic resolution STM imaging, atomic layer deposition, and the combination of the two techniques for in situ characterization of deposition. Effects of surface chemistry and microstructure of electrolyte on oxygen reduction kinetics of solid oxide fuel cells. Reduction and oxidation of oxide ion conductors with conductive atomic force microscopy, Surface Modification of Yttria-Stabilized Zirconia Electrolyte by Atomic Layer Deposition, Atomic Layer Deposition of Lead Sulfide Thin Films for Quantum Confinement, Intermediate-Temperature Ceramic Fuel Cells with Thin Film Yttrium-Doped Barium Zirconate Electrolytes. The electric fields caused marked changes in the cytoskeleton. Kim, Y. View details for DOI 10.1088/0957-4484/20/44/445706, View details for Web of Science ID 000270562900028. Nam, S. W., Stampfl, J., Liu, H. C., Kang, S., Prinz, F. B. Obtaining high power density at low operating temperatures has been an ongoing challenge in solid oxide fuel cells (SOFC), which are efficient engines to generate electrical energy from fuels. The experimental results support the predictions based upon calculations: PrMe(4)Cp and Me(5)Cp precursors are expected to be the best precursors among those studied for Ba and Sr film growth. Kim, Y., B., Chao, C. -C., Gr, T., M., Prinz, F., B. An, J., Kim, Y., Park, J., Gr, T. M., Prinz, F. B. Mr. McCarthy holds a B.A. Localized Charge Transfer Reactions near the Pt-YSZ Interfaces using Kelvin Probe Microscopy. Park, J. S., Kim, Y., An, J., Shim, J. H., Guer, T. M., Prinz, F. B. Atomistic simulations of grain boundary segregation in nanocrystalline yttria-stabilized zirconia and gadolinia-doped ceria solid oxide electrolytes. Li, X. C., Johnsen, J., Groza, J., Prinz, F. Rapid prototyping and manufacturing by gelcasting of metallic and ceramic slurries. The catalytic performance was measured using as little as 1 cycle of Pt ALD, which corresponded to a surface mass loading of 10 ng/cm(2). It was recently worth about $4 billion. Live from New York, is focused on bringing you. Interlayering 17.5 nm of Yttria-doped ceria (YDC) thin films between bulk yttria-stabilized-zirconia electrolyte and a porous Pt cathode enhanced the performance of low-temperature solid oxide fuel cells. Ryu, W., H., Prinz, F., B., Greco, R., S., Fasching, R. Nanofabrication of electrochemical planar probes for single cell analysis, Thin-film SOFCs using gastight YSZ thin films on nanoporous substrates. Single NW probes can measure surface topographies, electrode potentials, and their mechanical bending properties. The release of bFGF was regulated at 40 ng/day for four weeks; bioactivity was assessed by monitoring the growth of 3T3 fibroblasts. Dasgupta, N. P., Lee, W., Holme, T. P., Prinz, F. B. Characteristics of Oxygen Reduction on Nanocrystalline YSZ. Microelectromechanical system (MEMS) technology not only provides the possibility of integration of multiple functions but also enables more precise control of dosing of therapeutic agents when the therapeutic window is very limited. Design and fabrication of materials for Laser Shape Deposition Manufacturing, Graph based process planning for Mold Shape Deposition Manufacturing. The STM-ALD system has a complete passive vibration isolation system that counteracts both seismic and acoustic excitations. Band gap measurements were carried out by STS, and an effective mass theory was developed to compare the experimental results. Application of the Mold SDM process to the fabrication of ceramic parts for a micro gas turbine engine. Insider Purchases QS / Quantumscape Corp - Short Term Profit Analysis. Forward-Looking Statements View details for Web of Science ID 000334990600047, View details for DOI 10.1016/j.ijhydene.2013.11.023, View details for Web of Science ID 000331920100022. Prinz, F., B., Petousis, I., Homburg, E., Derks, R., Dietzel, A. There are numerous sources of bioenergy that are generated by photosynthetic processes, for example, lipids, alcohols, hydrogen, and polysaccharides. Mack, J. F., Van Stockum, P. B., Yemane, Y. T., Logar, M., Iwadate, H., Prinz, F. B. [3] In 2012, QuantumScape began working with German automaker Volkswagen . What is. Engineering model of a passive planar air breathing fuel cell cathode. Comparison of electron transfer from reduced ferredoxin to FAD and a gold electrode, FUEL 192-Conversion of a plant chloroplast to a biological fuel cell, Atomic layer deposition of yttria-stabilized zirconia for solid oxide fuel cells. Prinz, F., B., Kohl, F., Fasching, R., Urban, G., Steurer, J., Olcaytug, F. A measurement algorithm for capacitive speed encoder with a modified front-end topology , Instrumentation and Measurement, Material Strength in Polymer Shape Deposition Manufacturing Proceedings of the Solid Freeform Fabrication Symposium, Optimal motion planning for deposition in layered manufacturing, A robust capacitive angular speed sensor, Instrumentation and Measurement, Thin film thermo-mechanical sensors embedded in metallic structures, Process planning and automation for additive-subtractive solid freeform fabrication, Automated fabrication of complex molded parts using mold SDM. Third, the electronic structure of Pt clusters on different supports is calculated. Park, J. S., An, J., Lee, M. H., Prinz, F. B., Lee, W. The Use of Contact Mode Atomic Force Microscopy in Aqueous Medium for Structural Analysis of Spinach Photosynthetic Complexes. For more information, please visit www.quantumscape.com . The photocathodic hydrogen evolution reaction (HER) from p-type Si nanowire (NW) arrays was evaluated using platinum deposited by atomic layer deposition (ALD) as a HER cocatalyst. Endogenous electric fields play an important role in embryogenesis, regeneration, and wound repair and previous studies have shown that many populations of cells, leukocytes, fibroblasts, epithelial cells, and endothelial cells, exhibit directed migration in response to electric fields. When Singh founded QuantumScape with Fritz Prinz and Tim Holme in 2010, he didn't know if that material existed. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. Shim, J. H., Kim, Y. Photoluminescence measurements on the quantum dot/nanowire composites show a blue shift when the number of ALD cycles is decreased, suggesting a route to fabricate unique three-dimensional nanostructured devices such as solar cells. Usui, T., Mollinger, S. A., IANCU, A. T., Reis, R. M., Prinz, F. B. The resulting micro-SOFC electrolyte membrane showed a hexagonal-pyramid array nanostructure and achieved a power density of 1.34 W/cm(2) at 500 C. We found smaller values of the lowest available transition energies and an increased density of electronic states in the space between quantum dots with shorter interparticle spacing, indicating extension of carrier wave functions as a result of interparticle electronic coupling. O'Hayre, R., Feng, G., Nix, W. D., Prinz, F. B. LayTracks: a new approach to automated geometry adaptive quadrilateral mesh generation using medial axis transform. Shim, Joon, H., Cha, S. W., Gr, Turgut, M., Prinz, F., B. Prinz, F., B., Fasching, R., Aschauer, E., Urban, G. Surface characterization of thin film platinum electrodes applied for biosensors by means of cyclic voltammetry and laser - SNMS. Thermal stabilities of nanoporous metallic electrodes at elevated temperatures. Highly oriented pyrolytic graphite (HOPG) implanted with N, Ar and B is studied as a support for platinum nanoparticle catalysts for fuel cells. An, J., Koh, A. L., Park, J. S., Sinclair, R., Guer, T. M., Prinz, F. B. Dadlani, A. L., Trejo, O., Acharya, S., Torgersen, J., Petousis, I., Nordlund, D., Sarangi, R., Schindler, P., Prinz, F. B. View details for Web of Science ID 000315079500065, View details for Web of Science ID 000340054100239, View details for Web of Science ID 000325413000001, View details for Web of Science ID 000320245400004. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. Observing the Nucleation Phase of Atomic Layer Deposition In Situ. Phuthong, W., Huang, Z., Wittkopp, T. M., Sznee, K., Heinnickel, M. L., Dekker, J. P., Frese, R. N., Prinz, F. B., Grossman, A. R. Grain boundary blocking of ionic conductivity in nanocrystalline yttria-doped ceria thin films. Schindler, P., Logar, M., Provine, J., Prinz, F. B. Dr. Holme is QuantumScapes Chief Technology Officer. Coyne, R., Finger, S., Konda, S., Prinz, F., B., Siewiorek, Daniel, P., Subrahmanian, E. Prinz, F., B., Urban, G., Jobst, G., Keplinger, F., Aschauer, E., Fasching, R. Thermal Modelling and Experimental Testing of MD* Spray Shape Deposition Processes. Plasma Processing for Crystallization and Densification of Atomic Layer Deposition BaTiO3 Thin Films. Water management in proton exchange membrane fuel cells using integrated electroosmotic pumping. Chang, Y., Ramaswami, K., Pinilla, M., Walch, S., Prinz, F. Measurement of temperature and reaction species in the cathode diffusion layer of a free-convection fuel cell. By 2012, it claimed investors like Bill Gates and Volkswagen. Lee, H., Park, S. B., Oh, M., Coo, K., Park, Y., Suzuki, S., Nagai, M., Prinz, F. B. Atomistic simulations of surface segregation of defects in solid oxide electrolytes, Pulsed Direct Current Electric Fields Enhance Osteogenesis in Adipose-Derived Stromal Cells. For cells with unmixed and fully mixed cermet interlayers, the maximum power density was enhanced by a factor of 1.5 and 1.8 at 400 C, and by 2.3 and 2.7 at 450 C, respectively, when compared to control cells with no cermet interlayer. Park, J., S., Kang, S., K., Gr, T., M., Prinz, F., B. However, existing doping methods face the challenge of simultaneous control over the morphology, crystallinity, dopant distribution and concentration at the nanometer scale. Mechanical and thermal expansion behavior of laser deposited metal matrix composites of Invar and TiC, Electro-discharge machining of mesoscopic parts with electroplated copper and hot-pressed silver tungsten electrodes. A quantum simulation verified both trends and illustrated the wave function extension effect. Park, J., S., Kim, Y., B., An, J., Shim, J., H., Gr, T., M., Prinz, F., B. Ultra-Thin Catalytic Electrodes for LT-SOFC, Editors Choice (Materials Science: 3D Lowers T), Three-Dimensional Nanostructured Bilayer Solid Oxide Fuel Cell with 1.3 W/cm2 at 450C. QuantumScape, the leading developer of next-generation solid-state batteries for electric vehicles, listed today on the NYSE. View details for Web of Science ID 000329586700005, View details for DOI 10.1007/s40684-014-0011, View details for Web of Science ID 000332646800011, View details for Web of Science ID 000335016400037. Huang, H., Nakamura, M., Su, P., Fasching, R., Saito, Y., Prinz, Fritz, B. Stampfl, J., Leitgeb, R., Cheng, Y. L., Prinz, F. B. mu-Mold Shape Deposition Manufacturing of ceramic parts. Thermal stresses and deposition patterns in layered manufacturing. Motoyama, M., Dasgupta, N., P., Prinz, F., B. Geometric Effects of Triple Phase Boundary in Solid Oxide Fuel Cells. Enhanced Oxygen Exchange on Surface-Engineered Yttria-Stabilized Zirconia. The use of H(2)S in an ALD reactor requires special attention to safety issues due to its highly toxic, flammable, and corrosive nature. Weiss, L., Prinz, F., Neplotnik, G., Padmanabhan, K., Schultz, L., Merz, R. Miniaturisierte, integrierte Biosensoren fr Glucose- und Lactat - Monitoring. Combined Heat and Mass Transfer Model of a Passive Air Breathing Fuel Cell Cathode. We constructed biodegradable micro-osmotic pumps based on MEMS technology for long-term controlled release of bFGF. QuantumScape is headquartered in San Francisco, California and was founded in 2010 by Fritz Prinz, Jagdeep Singh, and Tim Holme. View details for DOI 10.1016/j.jconrel.2007.08.024. . ALD of Pt on the NW surface led to a highly conformal coating of nanoparticles with sizes ranging from 0.5 to 3 nm, allowing for precise control of the Pt loading in deep submonolayer quantities.