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Bai, S., Ryu, W., Fasching, R. J., Grossman, A. R., Prinz, F. B. Cup-shaped yttria-doped barium zirconate membrane fuel cell array, Improved Solid Oxide Fuel Cell Performance with Nanostructured Electrolytes, Nonprecious Metal Catalysts for Low Temperature Solid Oxide Fuel Cells, Enhancing Oxide Ion Incorporation Kinetics by Nanoscale Yttria-Doped Ceria interlayers, Crater patterned 3-D proton conducting ceramic fuel cell architecture with ultra thin Y:BaZrO3 electrolyte. A novel miniaturized sensor for carbon dioxide dissolved in liquids. O'Hayre, R., Fabian, T., Lee, S. J., Prinz, F. B. Medial axis transform assists path planning in configuration spaces with narrow passages. However, the high operating temperatures of current SOFCs limit their adoption in mobile applications. The paper also introduces a fabrication methodology primarily based on a template process involving atomic layer deposition and electrodeposition for building the nanotubular MEA architecture as an important step toward achieving high surface area ultrathin SOFCs operating in the intermediate to low-temperature regime. Chang, Y. C., Pinilla, J. M., Kao, J. H., Dong, J., Ramaswami, K., Prinz, F. B. This enhancement of OER activity for TiO2:Co NWs is attributed to both improved surface charge transfer kinetics and increased bulk conductivity. This is made possible by nanostructuring of the ultrathin (60 nm) electrolyte interposed with a nanogranular catalytic interlayer at the cathode/electrolyte interface. QuantumScape Corporation (NYSE: QS) has appointed three new members to its board of directors: Jeneanne Hanley, former senior vice president at Lear C . Roelofs, K. E., Brennan, T. P., Trejo, O., Xu, J., Prinz, F. B., Bent, S. F. Atomic layer deposition of thin-film ceramic electrolytes for high-performance fuel cells. Jung, H. J., Dasgupta, N. P., Van Stockum, P. B., Koh, A. L., Sinclair, R., Prinz, F. B. View details for Web of Science ID 000330163100003, View details for Web of Science ID 000330158900093, View details for DOI 10.1016/j.tsf.2013.05.092, View details for Web of Science ID 000321111100029, View details for DOI 10.1016/j.actamat.2013.03.027, View details for Web of Science ID 000319304400032. B., Prinz, F. B. Fluorine contamination in yttrium-doped barium zirconate film deposited by atomic layer deposition. View details for DOI 10.1089/ten.tea.2009.0267, View details for Web of Science ID 000275041500016, View details for PubMedCentralID PMC2862617, View details for DOI 10.1016/j.elecom.2009.11.031, View details for Web of Science ID 000274878400013, View details for Web of Science ID 000274321900021, View details for Web of Science ID 000285543200004, View details for Web of Science ID 000313248000032. Then, the UME was used for an in vivo amperometric experiment at a fixed potential and electrochemical impedance spectroscopy to detect oxygen evolution of the single cell under various light intensities. To modulate the release of the devices, the dimension and location of the micro-orifices were varied and the responding in vitro release response of tetracycline was monitored over 2 weeks. Cai, L., Cho, I. S., Logar, M., Mehta, A., He, J., Lee, C. H., Rao, P. M., Feng, Y., Wilcox, J., Prinz, F. B., Zheng, X. In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Fritz Prinz in QS / Quantumscape Corp. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. The reaction mechanism was investigated using density functional theory (DFT), which showed that the initial ALD half-reaction is energetically unfavorable on a methyl-terminated SAM surface. Tissues such as skin, blood vessels, and cartilage have multi-layer structures with different cells in each layer. Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide (Invited). What is QuantumScape? Holme, T., Zhou, Y., Pasquarelli, R., O'Hayre, R. Interpretation of Low Temperature Solid Oxide Fuel Cell Electrochemical Impedance Spectra. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. An, J., Kim, Y., Gr, T. M., Prinz, F. B. Oxygen activation over engineered surface grains on YDC/YSZ interlayered composite electrolyte for LT-SOFC. QuantumScape has developed some impressive technology but sustaining the current valuation could prove a challenge too far. Oxide-ion density distribution near a grain boundary simulated by molecular dynamics corroborated well with experimental results. Kang, S., Stampfl, J., Cooper, A., G., Prinz, F. Mesoscopic Assemblies with SDM Processing. Buie, C., R., Posner, J., Fabian, T., Cha, S., W., Kim, D., Prinz, F., B. Micro-structured Biodegradable Polymers Embedded with Cells and Drugs for Tissue Engineering and Drug Delivery. What is. The role of ambient conditions on the performance of a planar, air-breathing hydrogen PEM fuel cell. Liu, H. C., Lee, S., Kang, S., Edwards, C. F., Prinz, F. B. AC Impedance Investigation of Transport Phenomena in Micro Flow Channels in Fuel Cells. Quantum dots (QDs) allow for manipulation of the position and energy levels of electrons at sub-10 nm length scales through control of material chemistry, size, and shape. Rapid and Controllable Flame Reduction of TiO2 Nanowires for Enhanced Solar Water-Splitting. In vivo O-2 measurement inside single photosynthetic cells. The flame reduction method has unique advantages of a high temperature (>1000 C), ultrafast heating rate, tunable reduction environment, and open-atmosphere operation, so it enables rapid formation of oxygen vacancies (less than one minute) without damaging the nanowire morphology and crystallinity and is even applicable to various metal oxides. Thermal stresses and deposition patterns in layered manufacturing. Parquia Santa Rita de Cssia in So Paulo, reviews by real people. Gurumoorthy, B., Kirchner, H. O., Prinz, F. B., Sinclair, G. B. To investigate differences between two iPS cell lines (fibroblast-iPSC and hASC-iPSC), and also the gold standard human embryonic stem cell, we looked at cell stiffness as a possible indicator of cell differentiation-potential differences. View details for Web of Science ID 000298643100032, View details for DOI 10.1557/mrs.2011.265, View details for Web of Science ID 000299230300018, View details for DOI 10.1016/j.mee.2011.06.003, View details for Web of Science ID 000297400900009, View details for DOI 10.1016/j.ssi.2011.07.004, View details for Web of Science ID 000295892700007. View details for DOI 10.1088/0957-4484/20/44/445706, View details for Web of Science ID 000270562900028. ENERGY TRANSFER BETWEEN QUANTUM DOTS OF DIFFERENT SIZES FOR QUANTUM DOT SOLAR CELLS, Kinetic Monte Carlo Simulations of Solid Oxide Fuel Cell. It is known from optical studies that the bandgap of semiconductor QDs increases as their size decreases due to the narrowing of the quantum confinement potential. Huang, H., Gur, T. M., Saito, Y., Prinz, F. Geometric artefact suppressed surface potential measurements, Nanoscale electrochemical probes for single cell analysis. Born in Vienna, he has spent many years working on various aspects of e-mobility. View details for Web of Science ID 000270670500043, View details for Web of Science ID 000269485300008, View details for Web of Science ID 000268174400038. Prinz, F., B., Fasching, R., Aschauer, E., Jobst, G., Moser, I., Urban, G. Processing, Thermal and Mechanical Issues in Shape Deposition Manufacturing. 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. Does integrated-circuit fabrication show the path for the future of mechanical manufacturing? A CAD integration framework for designing devices with atomic scale resolution. Friedrich Prinz's Profile | Stanford Profiles We were also able to establish that commonly reported artifacts of electric field stimulation are not the primary mediators of the observed effects. Energy States of Ligand Capped Ag Nanoparticles: Relating Surface Plasmon Resonance to Work Function. The release response to the different micro-geometry was prominent and further analyzed by FEM simulation. He successfully developed the advanced optical fiber . 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. Ms. Fong holds a B.S. Dasgupta, N. P., Jung, H. J., Trejo, O., McDowell, M. T., Hryciw, A., Brongersma, M., Sinclair, R., Prinz, F. B. Maximum power densities of the corrugated fuel cells of 677 mW/cm2 and 861 mW/cm2 were obtained at 400 and 450 degrees C, respectively. Automated planning for material shaping operations in additive/subtractive Solid Freeform Fabrication. Design and tuning of a vacuum microplasma spray system: Particle entrainment. The reactor was designed with respect to materials compatibility of all wetted components with H(2)S. A customized safety interlock system was developed to shut down the system in the event of toxic gas leakage, power outage, loss of building ventilation or compressed air pressure. However, bFGF is degraded quickly in vivo and difficulty of controlling the dose level impedes its effective use in angiogenesis and tissue regeneration. An, J., Park, J. S., Koh, A. L., Lee, Hark, B., Jung, H. J., Schoonman, J., Prinz, F. B. To lower the SOFC operating temperature, we fabricated a corrugated thin-film electrolyte membrane by nanosphere lithography and atomic layer deposition to reduce the polarization and ohmic losses at low temperatures. Chang, Y. C., Saha, M., Prinz, F., Latombe, J. C., Pinilla, J. Structural and compositional analysis of solid oxide fuel cell electrolytes using transmission electron microscopy. By 2012, it claimed investors like Bill Gates and Volkswagen. Aberration-Corrected TEM Imaging of Oxygen Occupancy in YSZ. Prior to joining QuantumScape, he was a Research Associate at Stanford University from June 2008 to January 2011. QuantumScape Appoints Three New Members to Board of Directors A microfabricated direct methanol fuel cell with integrated electroosmotic pump. We used atomic force microscopy as a tool to determine stem cell stiffness, and hence differences in material properties between cells. Effect of Cation Non-Stoichiometry and Crystallinity on the Ionic Conductivity of Atomic Layer Deposited Y:BaZrO3 Films. The change in mechanical properties of the cells in response to reprogramming offers insight into how the cell interacts with its environment and might lend clues to how to efficiently reprogram cell populations as well as how to maintain their pluripotent state. In Situ Cycle-by-Cycle Flash Annealing of Atomic Layer Deposited Materials. Galvanotaxis is one predominant result of electric fields on mASCs and it may be exploited to engineer adult stem cell concentrations and locations within implanted grafts or toward sites of wound repair. Conceptual data model for advanced rapid prototyping. Fessler, J. R., Merz, R., Nickel, A. H., Prinz, F. B., Weiss, L. E. Shape Deposition Manufacturing of wearable computers. Su, P., Chao, C., Shim, J. H., Fasching, R., Prinz, F. B. Ultra-thin platinum catalytic electrodes fabricated by atomic layer deposition. DEMES, G. H., Fenves, S. J., GROSSMANN, I. E., Hendrickson, C. T., Mitchell, T. M., Prinz, F. B., Siewiorek, D. P., Subrahmanian, E., Talukdar, S., Westerberg, A. W. Amon, C., Beuth, J., Kirchner, H., Merz, R., Prinz, F., Schmaltz, K. Electrochemical thin-film carbondioxide sensors on novel polymer membrane system for in vitro and in vivo applications. Tim Holme | ENERGY - Stanford University MATH CONSULTORIA MED TRABALHO - Occupational Therapy - R. Doutor Fritz B., Tian, X., Guer, T. M., Prinz, F. B. -C., Kao, J. Headquartered in San Jose, California, the company is currently worth $ 50 billion and is funded by Bill Gates and Volkswagen. Increased Cathodic Kinetics on Platinum in IT-SOFCs by Inserting Highly Ionic-Conducting Nanocrystalline Materials, In vitro effects of direct current electric fields on adipose-derived stromal cells. The stiffness differences are not dependent on cell culture density; hence, material differences between cells cannot be attributed solely to cell-cell constraints. Water management in proton exchange membrane fuel cells using integrated electroosmotic pumping. 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. 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. Electron energy loss spectroscopy measurements with scanning TEM indicated increased oxide-ion vacancy concentration at the grain boundary core. A sharp peak in the performance of sputtered platinum fuel cells at ultra-low platinum loading. Also, individual contributions both from oxygen column occupancy and the static displacement of oxygen atoms due to occupancy change to the observed column intensities of TEM images were systematically investigated using HRTEM simulation. High-density multi-layer connection technology for MEMS and CMOS applications. We constructed biodegradable micro-osmotic pumps based on MEMS technology for long-term controlled release of bFGF. Mr. Hettrich is QuantumScapes Chief Financial Officer. Sowa, M. J., Yemane, Y., Prinz, F. B., Provine, J. Plasma-Enhanced Atomic Layer Deposition of SiN-AIN Composites for Ultra Low Wet Etch Rates in Hydrofluoric Acid. Shim, J., H., Kim, Y., B., Park, J., S., Prinz, F., B. Lee, W., Jung, H. J., Lee, M. H., Kim, Y., Park, J. S., Sinclair, R., Prinz, F. B. Nanoscale membrane electrolyte array for solid oxide fuel cells, Enhanced oxygen exchange and incorporation at surface grain boundaries on an oxide ion conductor. Were on a mission to revolutionize energy storage and power a decarbonized future, and were starting with transportation. Jee, Y., Cho, G. Y., An, J., Kim, H., Son, J., Lee, J., Prinz, F. B., Lee, M. H., Cha, S. W. Electrodeposition and Behavior of Single Metal Nanowire Probes, Proton incorporation in yttria-stabilized zirconia during atomic layer deposition. Shen, Y., Lee, M., Lee, W., Barnett, D. M., Pinsky, P., Prinz, F. B. Material strength in polymer shape deposition manufacturing, INTEGRATED DESIGN AND RAPID MANUFACTURING OVER THE INTERNET. The release of bFGF was regulated at 40 ng/day for four weeks; bioactivity was assessed by monitoring the growth of 3T3 fibroblasts. An, J., Kim, Y., Park, J., Gur, Turgut, M., Prinz, Fritz, B. Optimal process conditions were identified in order to avoid any unwanted change in material properties, such as crystallinity and scaffold strength, that have a direct impact on the degradation speed and physical integrity of the constructed scaffolds. LIFETIME PREDICTIONS FOR A CERAMIC CUTTING-TOOL MATERIAL AT HIGH-TEMPERATURES. On September 3, 2020, QuantumScape announced an agreement to merge with the blank check special purpose acquisition company (SPAC) company Kensington Capital Acquisition Corp. Caution and Patience Are Needed for QuantumScape - Insider An, J., Usui, T., Logar, M., Park, J., Thian, D., Kim, S., Kim, K., Prinz, F. B. Amon, C. H., Merz, R., Prinz, F. B., Schmaltz, K. S. Robot-Assisted Shape Deposition Manufacturing. Additionally, their galvanotactic response appears to share classic chemotactic signaling pathways that are involved in the migration of other cell types. Effects of QD Surface Coverage in Solid-State PbS Quantum Dot-Sensitized Solar Cells. FRITZ PRINZ, Founder & Chief Scientific Advisor (Board Member) Professor, Mechanical Engineering, Stanford The STM-ALD system has a complete passive vibration isolation system that counteracts both seismic and acoustic excitations. In all respects, the findings agree with experiment. Huang, H., Nakamura, M., Su, P., Fasching, R., Saito, Y., Prinz, F. B. Modification of Nafion (R) Using 3-mercaptopropyl Trimethoxysilane. Trends for Ba and Sr followed each other closely, reflecting the similar chemistry among alkaline earth metals. This page provides a comprehensive analysis of the known insider trading history of Fritz Prinz. In order to avoid the worst consequences of climate change, we must electrify transportation and turn internal combustion engines into a way of the past. Komadina, J., Kim, Y. QuantumScape developed the industry's first anode-less cell design, which delivers high energy density while lowering material costs and simplifying manufacturing. High-k, low leakage thin films are crucial components for dynamic random access memory (DRAM) capacitors with high storage density and a long storage lifetime. The resulting fabricated patterns were characterized by scanning electron microscopy and Auger electron spectroscopy, which demonstrated that ALD PbS was well confined to defined patterns with high selectivity by ODTS SAMs. Amon, C., H., Merz, R., Prinz, F., B., Schmaltz, K., S. Merz, R., Prinz, F., B., Ramaswami, K., Terk, M., Weiss, L. Two types of electrochemical thin-film pCO2-sensors for in vitro and in vivo applications. Water Management at the Cathode of a Planar Air-Breathing Fuel Cell with an Electroosmotic Pump. Mack, J. F., Van Stockum, P. B., Iwadate, H., Prinz, F. B. ALD for clean energy conversion, utilization, and storage. The future is solid. Fabrication of an electrochemical tip-probe system embedded in SiNx-cantilevers for simultaneous SECM and AFM analysis, Geometric scale effect of flow channels on performance of fuel cells. Silver Nanomesh as a Cathode for Solid Oxide Fuel Cells. 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. View details for Web of Science ID 000258440700030, View details for Web of Science ID 000256854800020, View details for Web of Science ID 000257231200066, View details for DOI 10.1016/j.snb.2007.07.143, View details for Web of Science ID 000254681900037, View details for DOI 10.1007/s12195-008-0010-1, View details for Web of Science ID 000269821600014. In this role, he oversees advanced materials research, technical product development, machine learning, and intellectual . Langston, M. C., Dasgupta, N. P., Jung, H. J., Logar, M., Huang, Y., Sinclair, R., Prinz, F. B. Thickness effects of yttria-doped ceria interlayers on solid oxide fuel cells, Nickel Silicide Nanowire Arrays for Anti-Reflective Electrodes in Photovoltaics. Mack, J. F., Van Stockum, P. B., Yemane, Y. T., Logar, M., Iwadate, H., Prinz, F. B. Brennan, T. P., Trejo, O., Roelofs, K. E., Xu, J., Prinz, F. B., Bent, S. F. STANFORD ENGINEERS DEVELOP FUEL CELL THAT CAN DELIVER RECORD POWER-PER-SQUARE INCH AT RECORD-LOW TEMPERATURES (http://engineering.stanford.edu/research-profile/stanford-engineers-develop-fuel-cell-can-deliver-record-power-square-inch-record-lo). Saha, M., Latombe, J. C., Chang, Y. C., Prinz, F. Predicting ionic conductivity of solid oxide fuel cell electrolyte from first principles. Sharon, J. View details for DOI 10.1007/s10544-007-9097-8, View details for Web of Science ID 000250462200009, View details for DOI 10.1016/j.ssi.2007.01).008, View details for Web of Science ID 000251694300003. Fuel cell performance of the corrugated electrolyte membranes released from silicon substrate showed an increase of power density relative to membranes with planar electrolytes.

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