View details for DOI 10.1088/0957-4484/21/48/485402, View details for Web of Science ID 000284053500011, View details for Web of Science ID 000281891900031, View details for Web of Science ID 000280855100032, View details for Web of Science ID 000276554800012. Prinz, F., B., Fasching, R., Keplinger, F., Kohl, F. Impact of axial and radial rotor offset on the measurtement error of a capacitive angular-position sensor with modofied front-end topology,Instrumentation and Measurement Technology Conference,IMTC/99. Cooper, A., G., Kang, S., Stampfl, J., Prinz, F., B. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. Liu, H., C., Stampfl, J., Kang, S., Prinz, F., B. Prinz, F., B., Fasching, R., Keplinger, F., Aschauer, E., Urban, G. Miniaturisierte Dnnschicht-Blutgassensoren fr die in vivo und ex vivo Diagnostik. 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. Koolwal, A. Engineering model of a passive planar air breathing fuel cell cathode. These cells have great promise for many clinical applications, including that of regenerative medicine. Lee, S. J., Chang-Chien, A., Cha, S. W., O'Hayre, R., Park, Y. I., Saito, Y., Prinz, F. B. Yelp is a fun and easy way to find, recommend and talk about what's great and not so great in So Paulo and beyond. In the future, arrays of micro-SOFCs with high power density may enable a range of mobile and portable power applications. Chang, Y. C., Pinilla, J. M., Kao, J. H., Dong, J., Ramaswami, K., Prinz, F. B. Fabian, T., Kang, S., Prinz, F., Brasseur, G. Fabrication of ceramic components for micro gas turbine engines. Fabian, T., O'Hayre, R., Prinz, F. B., Santiago, J. G. AFM/EC nano probing of single cells and organelles. in Computer Science from the University of Maryland College Park, an M.B.A. from the University of California, Berkeley, Haas School of Business, and a M.S. Brad Buss . Liang, D. H., Park, B. H., Koolwal, A., Prinz, F. The influence of size scale on the performance of fuel cells, Electrochemical nanopatterning of Ag on solid-state ionic conductor RbAg4I5 using atomic force microscopy. Park, J. S., Kang, S. K., Guer, T. M., Prinz, F. B. Conventional photolithography was used to create oxide patterns on which ODTS SAMs were selectively grown. QuantumScape Corporation (NYSE: QS) has appointed three new members to its board of directors: Jeneanne Hanley, former senior vice president at Lear C . The porous-template technique can produce NWs of various kinds of metals, with diameters down to 10-20 nm, which compete with multiwall carbon nanotube diameters. Fritz Prinz has not been actively trading shares of QuantumScape during the last ninety days. Mack, J. F., Van Stockum, P. B., Yemane, Y. T., Logar, M., Iwadate, H., Prinz, F. B. Kim, Y. ALD of lead sulfide (PbS) and zinc sulfide (ZnS) were demonstrated with no chemical contamination or detectable release of H(2)S. View details for Web of Science ID 000277243100039, View details for DOI 10.3938/jkps.56.1215, View details for Web of Science ID 000276783000035, View details for DOI 10.1016/j.actamat.2009.12.005, View details for Web of Science ID 000275511700028. The STM-ALD system has a complete passive vibration isolation system that counteracts both seismic and acoustic excitations. This report presents a demonstration and characterization of a nanotubular array of solid oxide fuel cells (SOFCs) made of one-end-closed hollow tube Ni/yttria-stabilized zirconia/Pt membrane electrode assemblies (MEAs). Defective HOPG supports are modeled by density functional theory (DFT) calculations that confirm and explain the above experimental results. While most local drug delivery devices made of biodegradable polymers relied on the degradation of the polymers, the degradation-based release control is often limited by the property of the polymers. A novel miniaturized sensor for carbon dioxide dissolved in liquids. We conclude, based on Hif2, that a gold electrode is approximately 14 times less efficient as an electron acceptor than FAD and that the mercaptopyridine SAM enhances electron transfer. An, J., Kim, Y., Guer, T. M., Prinz, F. B. Enhancing the density of catalytic sites is crucial for improving the performance of energy conversion devices. Motoyama, M., Fukunaka, Y., Ogata, Y. H., Prinz, F. B. Crabb, K. M., Park, J. S., Chao, C., Prinz, F. B. Nanopore Patterned Pt Array Electrodes for Triple Phase Boundary Study in Low Temperature SOFC. Applying a positive bias, in contrast, generated a positive surface charge adjacent to the tip contact area. Prinz, F., B., Zhou, Y., Pasquarelli, R., Holme, T., Berry, J., Ginley, D. ATOMIC LAYER DEPOSITION OF PbS-ZnS QUANTUM WELLS FOR HIGH-EFFICIENCY SOLAR CELLS. A typical issue with these oxide electrolytes is sluggish oxygen surface kinetics at the gas-electrolyte interface. Prinz, F., B., Fasching, R., Husinsky, W., Urban, G., Betz, G., Aschauer, E. THICKNESS EFFECTS MAY NOT DO WHAT YOU THINK THEY DO. Buie, C. R., Posner, J. D., Fabian, T., Cha, S., Kim, D., Prinz, F. B., Eaton, J. K., Santiago, J. G. Electrochemical impedance investigation of flooding in micro-flow channels for proton exchange membrane fuel cells. Active water management for proton exchange membrane fuel cells using an integrated electroosmotic pump. View details for DOI 10.1073/pnas.1316792110, View details for DOI 10.1016/j.actamat.2013.09.003, View details for Web of Science ID 000328179700013. Effect of High Surface Area Pd Electrodes on SOFC Performance at 350 degrees C. Komadina, J., Motoyama, M., Kim, Y. Amon, C. H., Beuth, J. L., Weiss, L. E., Merz, R., Prinz, F. B. Shim, J. H., Kim, Y. . Sample scaffolds were constructed for purposes such as channel-directed cell growth and size-based cell sorting. Design and tuning of a vacuum microplasma spray system: Particle entrainment. Doping nanowires (NWs) is of crucial importance for a range of applications due to the unique properties arising from both impurities' incorporation and nanoscale dimensions. Share Your Design Ideas, New JerseysMurphy Defends $10 Billion Rainy Day Fund as States Economy Slows, What Led to Europe's Deadliest Train Crash in a Decade, This Week in Crypto: Ukraine War, Marathon Digital, FTX, Chief Scientific Advisor/Co-Founder, Quantumscape Corp. Considerable attention has been focused on solid oxide fuel cells (SOFCs) due to their potential for providing clean and reliable electric power. Stampfl, J., Leitgeb, R., Cheng, Y., L., Prinz, F., B. Kim, N., Hsieh, C., Huang, H., Prinz, F. B., Stebbins, J. F. Atomic layer deposition and chemical vapor deposition precursor selection method application to strontium and barium precursors, COMP 73-Conversion of a plant chloroplast to a biological fuel cell: 1. Frank Blome Independent Director. Exploring the local electronic structure and geometric arrangement of ALD Zn(O,S) buffer layers using X-ray absorption spectroscopy. The company quickly gained major investors' attention. An, J., Park, J. S., Koh, A. L., Lee, Hark, B., Jung, H. J., Schoonman, J., Prinz, F. B. Active Water Management for PEM Fuel Cells. Chang, Y. B., Park, J. S., Guer, T. M., Kang, S., Prinz, F. B. Yoneoka, S., Liger, M., Yama, G., Schuster, R., Purkl, F., Provine, J., Prinz, F. B., Howe, R. T., Kenny, T. W. Electrodeposited Metallic Nanowires as a Scanning Probe Tip, Scanning tunneling spectroscopy of lead sulfide quantum wells fabricated by atomic layer deposition. Solid oxide fuel cell with corrugated thin film electrolyte. 8-K 001-39345 10.11 December 2, 2020 4.7 QuantumScape Corporation 2020 Employee Stock Purchase Plan 8-K 001 . Schindler, P., Logar, M., Provine, J., Prinz, F. B. Insiders are officers, directors, or significant investors in a company. The devices were constructed by micro-molding and thermal assembly of 85/15 poly(L-lactide-co-glycolide) sheets. In this work, we demonstrate a method to increase the dielectric constant and decrease the leakage current density of atomic layer deposited BaTiO3 thin films at low process temperature (250 C) using postdeposition remote oxygen plasma treatment. Fessler, J., Nickel, A., Link, G., Prinz, F., FUSSELL, P. The Compact Graph Format: An Interchange Standard for Solid Freeform Fabrication. Fasching, R. J., Tao, Y., Hammerick, K., Prinz, F. B. Ryu, W., Hammerick, K. E., Kim, Y. We report a new flame reduction method to generate controllable amount of oxygen vacancies in TiO2 nanowires that leads to nearly three times improvement in the photoelectrochemical (PEC) water-splitting performance. Lee, W., Prinz, F. B., Chen, X., Nonnenmann, S., Bonnell, D. A., O'Hayre, R. P. Nanostructured Platinum Catalysts by Atomic-Layer Deposition for Solid-Oxide Fuel Cells, Oxygen Surface Exchange at Grain Boundaries of Oxide Ion Conductors. In Situ Cycle-by-Cycle Flash Annealing of Atomic Layer Deposited Materials. Holme, T., Zhou, Y., Pasquarelli, R., O'Hayre, R. Interpretation of Low Temperature Solid Oxide Fuel Cell Electrochemical Impedance Spectra. QuantumScape (ticker: QS) was founded in 2010 by Stanford University scientists Jagdeep Singh, Fritz Prinz and Tim Holme to develop what are known as solid-state batteries for electric. Metal Alloy Catalysts with Pt Surface Coating by Atomic Layer Deposition for Intermediate Temperature Ceramic Fuel Cells. Design and fabrication of a micro fuel cell array with "flip-flop" interconnection. 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. LIFETIME PREDICTIONS FOR A CERAMIC CUTTING-TOOL MATERIAL AT HIGH-TEMPERATURES. Part strength improvement in polymer shape deposition manufacturing, Medial Axis Transform (MAT) of general 2D shapes and 3D polyhedra for engineering applications. Quadros, W. R., Gurumoorthy, B., Ramaswami, K., Prinz, F. B. That has not stopped the company from forging ahead with a. Comparison of the experiments to the simulated results identified that the variation of micro-geometry influenced also the volume-dependent degradation rate and induced the osmotic pressure. Single NW probes can measure surface topographies, electrode potentials, and their mechanical bending properties. An, J., Kim, Y., Park, J., Gur, Turgut, M., Prinz, Fritz, B. Fabrication and Characterization of Lead Sulfide Thin Films by Atomic Layer Deposition. Cooper, A. G., Kang, S., Kietzman, J. W., Prinz, F. B., Lombardi, J. L., Weiss, L. E. Fabrication of high quality ceramic parts using mold SDM. 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. Shim, J., H., Kim, Y., B., Park, J., S., Prinz, F., B. Lee, S. J., Cha, S. W., O'Hayre, R., Chang-Chien, A., Prinz, F. B. Two barrier materials were selected based on barrier height: aluminum oxide as a high barrier material and zinc oxide as a low barrier material. in Economics from Pomona College, a M.B.A. from Stanford Graduate School of Business, and a M.S. Kang, S., Cooper, A. G., Stampfl, J., Prinz, F., Lombardi, J., Weiss, L., Sherbeck, J. Mikrostrukturierung von Funktions- und Strukturwerkstoffen mittels plasmagetzten Siliziums. View details for DOI 10.1088/0957-4484/19/03/035710, View details for DOI 10.1016/j.jpowsour.2007.09.066, View details for Web of Science ID 000252513100009, View details for Web of Science ID 000272018400004, View details for Web of Science ID 000258976500020, View details for Web of Science ID 000262710700009, View details for Web of Science ID 000272018400002, View details for Web of Science ID 000272018400018, View details for Web of Science ID 000271859300058. Here we report successful demonstration of a thin-film three-dimensional (3-D) SOFC architecture achieving a peak power density of 1.3 W/cm(2) obtained at 450 C. B., Park, J. S., Guer, T. M., Prinz, F. B. Culturing of human coronary artery endothelial cells (HCAECs) on the sample scaffolds demonstrated the biocompatibility of the developed process and the strong influence of high-resolution micro-geometries on HCAEC growth. Prinz, F., B., Weiss, L., Amon, C., Beuth, J. CNC Cutter Path Generation in Shape Deposition Manufacturing. Oxygen diffusion across the grain boundary in bicrystal yttria stabilized zirconia. Prior to this, Mr. Hettrich served as QuantumScapes Vice President of Business Operations from March 2016 to March 2018, as Senior Director of Finance and Product Management from March 2014 to March 2016, as a Director of Product Management from March 2013 to March 2014, and as a Manager of Product Management from January 2012 to March 2013. Improving solid oxide fuel cells with yttria-doped ceria interlayers by atomic layer deposition. INCREASED CATHODIC KINETICS IN IT-SOFCs BY INSERTING HIGHLY-CONDUCTIVE NANOCRYSTALLINE MATERIALS, Opportunities of ALD for Thin Film Solid Oxide Fuel Cells, Oxidative Removal of Self-Assembled Monolayers for Selective Atomic Layer Deposition. Stampfl, J., Leitgeb, R., Cheng, Y. L., Prinz, F. B. mu-Mold Shape Deposition Manufacturing of ceramic parts. Its resolution is limited by the finite probe size and the long-range characteristics of electrostatic forces. Kim, Y., B., Chao, C. -C., Gr, T., M., Prinz, F., B. Usui, T., Donnelly, C. A., Logar, M., Sinclair, R., Schoonman, J., Prinz, F. B. Huang, H., Holme, Tim, P., Prinz, Fritz, B. It operates from room temperature up to 200 C, and at pressures from 1 10(-6) Torr to 1 10(-2) Torr. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. 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. A pencil probe system for electrochemical analysis and modification in nanometer dimensions. 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. in Physics, a M.S. in Environment and Resources from Stanford University. Liu, H. C., Tsuru, H., Cooper, A. G., Prinz, F. B. Capacitive sensor for active tip clearance control in a palm-sized gas turbine generator, Gas-tight alumina films on nanoporous substrates through oxidation of sputtered metal films. Cermet layers were deposited between the porous Pt cathode and the dense YSZ electrolyte wafer using atomic layer deposition (ALD). Privacy Policy | Terms of Use 2022 QuantumScape Corporation1730 Technology Drive, San Jose, CA 95110info@quantumscape.com. This high resolution cell seeding method allows accurate manipulation of cell placement in thin layers of biodegradable polymers. Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide. Mr. McCarthy has served as QuantumScapes Chief Legal Officer and Head of Corporate Development since March 2013. Prinz, F., B., Aschauer, E., Fasching, R., Jobst, G., Varahram, M., Svasek, P. Numerical and Experimental Investigation of Interface Bonding Via Substrate Remelting of an Impinging Molten Metal Droplet. Batteries Move From Labs to Mass Production, Bloomberg, QuantumScape CEO on the Evolution of EV Batteries. The tubular MEAs are nominally 5 m long and have <500 nm outside diameter with total MEA thickness of nearly 50 nm. The OMFC was further studied using simulation packages for optimal design conditions. Effects of surface chemistry and microstructure of electrolyte on oxygen reduction kinetics of solid oxide fuel cells. A programmable and biodegradable drug delivery device is desirable when a drug needs to be administered locally. Furthermore, this ALD Pt resulted in fuel cell performance comparable to that achieved by 80 nm-thick sputtered Pt. Effect of Cation Non-Stoichiometry and Crystallinity on the Ionic Conductivity of Atomic Layer Deposited Y:BaZrO3 Films. It took five years of experimentation to find it, Singh said, and five more to . Link, G., Huntley, T., Nickel, A., Leitgeb, R., Nguyen, T., Prinz, F. Expanding the design space through innovative design and manufacturing processes, Additive/subtractive material processing for mesoscopic parts. See the full leadership team at Craft. Kim, Y., Provine, J., Waich, S. P., Park, J., Phuthong, W., Dadlani, A. L., Kim, H., Schindier, P., Kim, K., Prinz, F. B. Structural and compositional analysis of solid oxide fuel cell electrolytes using transmission electron microscopy. Local accumulation and dissipation of charges on the surface of oxide ion conductors resulting from electric potentials were observed with conductive atomic force microscopy (AFM). O'Hayre, R., Lee, S. J., Cha, S. W., Prinz, F. B. Capacitive blade tip clearance measurements for a micro gas turbine. 2012 In 2012, QuantumScape began working with German automaker Volkswagen. Chang, Y. C., Kao, J. H., Pinilla, J. M., Dong, J., Prinz, F. B. The sol-flame doping method not only preserves the morphology and crystallinity of the TiO2 NWs, but also allows fine control over the Co dopant profile by varying the concentration of Co precursor solution. Mr. Hettrich is QuantumScapes Chief Financial Officer. The calculations attribute the catalytic activity changes primarily to changes in the workfunction and secondarily to the d-band structure of supported Pt particles. 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). Thian, D., Yemane, Y. T., Logar, M., Xu, S., Schindler, P., Winterkorn, M. M., Provine, J., Prinz, F. B. Yelp is a fun and easy way to find, recommend and talk about what's great and not so great in So Paulo and beyond. Citing the demonstrated role electric fields play in enhancing healing in bone fractures and defects, we investigated the ability of pulsed direct current electric fields to drive osteogenic differentiation in mouse ASCs. We found that 180 cycles or approximately 10 nm of ALD Pt, with a Pt loading of only 0.02 mg cm(-2), were sufficient for the purpose of a catalytic cathode. Influence of the grain size of samaria-doped ceria cathodic interlayer for enhanced surface oxygen kinetics of low-temperature solid oxide fuel cell. Dadlani, A. L., Schindler, P., Logar, M., Walch, S. P., Prinz, F. B. Gurumoorthy, B., Kirchner, H. O., Prinz, F. B., Sinclair, G. B. Variation of Energy Density of States in Quantum Dot Arrays due to Interparticle Electronic Coupling. Enhanced oxygen exchange on surface-engineered yttria-stabilized zirconia. Ryu, W., Fasching, R. J., Vyakarnam, M., Greco, R. S., Prinz, F. B. Sol-flame synthesis of cobalt-doped TiO2 nanowires with enhanced electrocatalytic activity for oxygen evolution reaction. Prior to joining QuantumScape, he was the Chief Administrative Officer at Infinera Corporation from April 2003 to March 2013. The researchers are developing solid-state batteries for EVs and other uses in industry. TiO2 homojunction diodes fabricated completely by ALD are developed as a demonstration of the utility of these techniques and shown to exhibit useful rectifying characteristics even with minimal processing refinement. Pornprasertsuk, R., Ramanarayanan, P., Musgrave, C. B., Prinz, F. B. Cantilever tip probe arrays for simultaneous SECM and AFM analysis, Rapid prototyping methods of silicon carbide micro heat exchangers. Provine, J., Schindler, P., Kim, Y., Walch, S. P., Kim, H. J., Kim, K., Prinz, F. B. Atomically Flat Silicon Oxide Monolayer Generated by Remote Plasma. In the last 2 years at Quantumscape Corp, Fritz Prinz has sold an estimated value of $34.54M worth. Huang, H., Nakamura, M., Su, P., Fasching, R., Saito, Y., Prinz, F. B. High performance Bi-layered electrolytes via atomic layer deposition for solid oxide fuel cells. EV battery startup QuantumScape starts shipping prototype to automakers, a key milestone, CNBC, Battery Insiders Reflection Batteries, Data & Solid-State, Battery Associates, How VW Can Leap Over Tesla: QuantumScape CEO Interview, E For Electric, SAE Tomorrow Today, Transforming EV Batteries with Solid-State Energy, The New York Times, Advanced E.V. Lee, S., J., Cha, S., W., Liu, Y., C., O'Hayre, R., Prinz, F., B. Nam, S., W., Liu, H., C., Stampfl, J., Kang, S., Prinz, F., B. Prinz, F., B., Kohl, F., Fasching, R., Glanninger, A., Jachimowicz, A., Chabicovsky, R. Compact graph representation for Solid Freeform Fabrication (SFF). QuantumScape is a leader in developing next-generation solid-state lithium-metal batteries for electric vehicles. The added YDC interlayer (14.11% doped Y(2)O(3)) was fabricated by atomic layer deposition and reduced the cathode/electrolyte interfacial resistances while increasing the exchange current density j(0) by a factor of 4 at operating temperatures between 300-500 C. A., Su, P., Prinz, F. B., Hemker, K. J. A Computational Comparison of Electron Transfer from Reduced Ferredoxin to Flavin Adenine Dinucleotide and a Gold Electrode. Here, we present a controllable and reliable method, which combines versatile solution phase chemistry and rapid flame annealing process (sol-flame), to dope TiO2 NWs with cobalt (Co). We have built a combined scanning tunneling microscope-atomic layer deposition (STM-ALD) tool that performs in situ imaging of deposition. Ryu, W., Huang, Z., Prinz, F. B., Goodman, S. B., Fasching, R. Fabrication of multi-layered biodegradable drug delivery device based on micro-structuring of PLGA polymers. O'Hayre, R., Fabian, T., Lee, S. J., Prinz, F. B. Medial axis transform assists path planning in configuration spaces with narrow passages. Thus, we have developed an open micro-fluidic channel system (OMFC) in which individual cells can be immobilized in micro-traps by capillary flow. 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. Kim, Y. 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. Complete QuantumScape Corp. Cl A stock information by Barron's. View real-time QS stock price and news, along with industry-best analysis. We abolished the increased cytoskeletal stresses with the rho-associated protein kinase inhibitor, Y27632, and did not see any decrease in osteogenic gene expression, suggesting that the pro-osteogenic effects of the electric fields are not transduced via cytoskeletal tension.



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