Pornprasertsuk, R., Cheng, J., Huang, H., Prinz, F. B. Defective HOPG supports are modeled by density functional theory (DFT) calculations that confirm and explain the above experimental results. The release of bFGF was regulated at 40 ng/day for four weeks; bioactivity was assessed by monitoring the growth of 3T3 fibroblasts. High Surface Area Density Nano Thin Film Solid Oxide Fuel Cells, Transient behaviour of magnetic micro-bead chains rotating in a fluid by external fields. B., Park, J. S., Gr, T., Kang, S. K., 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. A low temperature micro solid oxide fuel cell with corrugated electrolyte membrane was developed and tested. Insight and analysis of top stories from our award winning magazine "Bloomberg Businessweek". Dadlani, A. L., Trejo, O., Acharya, S., Torgersen, J., Petousis, I., Nordlund, D., Sarangi, R., Schindler, P., Prinz, F. B. The role of ambient conditions on the performance of a planar, air-breathing hydrogen PEM fuel cell. However, bFGF is degraded quickly in vivo and difficulty of controlling the dose level impedes its effective use in angiogenesis and tissue regeneration. 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. 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. Stampfl, J., Leitgeb, R., Cheng, Y. L., Prinz, F. B. mu-Mold Shape Deposition Manufacturing of ceramic parts. We have carried out calculations of the electronic structure of ferredoxin and of the electronic coupling matrix element Hif for electron transfer from reduced ferredoxin to flavin adenine dinucleotide (FAD) and to cluster models of the Au111 surface and a Au111 surface with a mercaptopyridene self-assembled monolayer (SAM). 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. An Image-Based Localization Algorithm for Catheter Navigation in the Left Atrium. View details for Web of Science ID 000280708400041, View details for Web of Science ID 000272387200026, View details for Web of Science ID 000277260200058, View details for Web of Science ID 000272387200042, View details for Web of Science ID 000280348300008, View details for Web of Science ID 000277260200023. View details for Web of Science ID 000276557100007. . Huang, H., Nakamura, M., Su, P., Fasching, R., Saito, Y., Prinz, F. B. [3] In 2012, QuantumScape began working with German automaker Volkswagen . A quantum simulation verified both trends and illustrated the wave function extension effect. In 2000, he founded a company (listed as Infinera, INFN). O'Hayre, R., Braithwaite, D., Hermann, W., Lee, S. J., Fabian, T., Cha, S. W., Saito, Y., Prinz, F. B. Lead-time reduction through flexible routing: application to Shape Deposition Manufacturing, Metal embedded Fiber Bragg Grating sensors in layered manufacturing, Lateral ionic conduction in planar array fuel cells. Thermal behavior of a metal embedded fiber Bragg grating sensor, Miniature fuel cells with non-planar interface by microfabrication. Open circuit voltages up to 660 mV (vs air) and power densities up to 1.3 W cm(-2) were measured at 550 C using H2 as fuel. Kobayashi, K. G., Fujii, M., Prinz, F. B. This analysis is for one-year following each trade, and the results are theoretical . Ryu, W. H., Vyakarnam, M., Greco, R. S., Prinz, F. B., Fasching, R. J. A sharp peak in the performance of sputtered platinum fuel cells at ultra-low platinum loading. 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. Localized Charge Transfer Reactions near the Pt-YSZ Interfaces using Kelvin Probe Microscopy. Processing and microstructures of fiber Bragg grating sensors embedded in stainless steel. There are numerous sources of bioenergy that are generated by photosynthetic processes, for example, lipids, alcohols, hydrogen, and polysaccharides. Mr. Hettrich also served as a Business Analyst at McKinsey & Company, a management consulting firm, from September 2004 to July 2007. In Situ Cycle-by-Cycle Flash Annealing of Atomic Layer Deposited Materials. 2012 In 2012, QuantumScape began working with German automaker Volkswagen. On September 3, 2020, QuantumScape announced an agreement to merge with the blank check special purpose acquisition company (SPAC) company Kensington Capital Acquisition Corp. Does integrated-circuit fabrication show the path for the future of mechanical manufacturing? During their presentation to Gates, Singh said he Fritz, and Holme didn't have as much test data as they do now to indicate QuantumScape was on the right track, so they emphasized the enormous. Chang, Y. C., Kao, J. H., Pinilla, J. M., Dong, J., Prinz, F. B. A pencil probe system for electrochemical analysis and modification in nanometer dimensions. View details for DOI 10.1088/0957-4484/20/44/445706, View details for Web of Science ID 000270562900028. Ryu, W., Huang, Z., Park, J. S., Moseley, J., Grossman, A. R., Fasching, R. J., Prinz, F. B. Additionally, their galvanotactic response appears to share classic chemotactic signaling pathways that are involved in the migration of other cell types. Active water management for proton exchange membrane fuel cells using an integrated electroosmotic pump. We investigated the capability of ODTS self-assembled monolayers (SAMs) to deactivate the ALD PbS surface reactions as a function of dipping time in ODTS solution. No deposition was measured with tmhd precursors, and SrO films were deposited with PrMe(4)Cp with a source temperature of 200 degrees C and at substrate temperatures between 250 and 350 degrees C with growth rates increasing for oxygen sources in this order: O2 < H2O < O2 + H2O. This is made possible by nanostructuring of the ultrathin (60 nm) electrolyte interposed with a nanogranular catalytic interlayer at the cathode/electrolyte interface. Finger, S., Stivoric, J., Amon, C., Gursoz, L., Prinz, F., Siewiorek, D., Smailagic, A., Weiss, L. Rapid design and manufacture of wearable computers. 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. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. Fabian, T., O'Hayre, R., Prinz, F. B., Santiago, J. G. AFM/EC nano probing of single cells and organelles. 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. Plasma Processing for Crystallization and Densification of Atomic Layer Deposition BaTiO3 Thin Films. A Computational Comparison of Electron Transfer from Reduced Ferredoxin to Flavin Adenine Dinucleotide and a Gold Electrode. 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. The release response to the different micro-geometry was prominent and further analyzed by FEM simulation. Dadlani, A. L., Schindler, P., Logar, M., Walch, S. P., Prinz, F. B. We attribute the superior cell performance to significant reduction in both the ohmic and the polarization losses due to the combined effects of employing an ultrathin film electrolyte, enhancement of effective area by 3-D architecture, and superior catalytic activity by the ceria-based interlayer at the cathode. Nickel, A., BARNETT, D., Link, G., Prinz, F. Reducing part: Deformation by inducing phase transformation. Koolwal, A. Atomic Scale Verification of Oxide-Ion Vacancy Distribution near a Single Grain Boundary in YSZ. 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. This enhancement of OER activity for TiO2:Co NWs is attributed to both improved surface charge transfer kinetics and increased bulk conductivity. In addition, oxide ion conductivity at a low temperature range (100-200 degrees C) was obtained, and the activation energy for diffusion in gadolinia-doped ceria (GDC) was calculated as approximately 0.56 eV, implying that the majority of oxide ion vacancies diffuse on the surface rather than inside the bulk of the electrolyte. View details for Web of Science ID 000270670500043, View details for Web of Science ID 000269485300008, View details for Web of Science ID 000268174400038. Buie, C. R., Posner, J. D., Fabian, T., Cha, S., Prinz, F. B., Eaton, J. K., Santiago, J. G. A microfabricated intravascular ultrasound scanner for intravascular interventions. 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. Enhanced oxygen exchange on surface-engineered yttria-stabilized zirconia. Prinz, F., B., Litster, S., Buie, C., R., Fabian, T., Eaton, J., K., Santiago, J., G. Oxygen Reduction Characteristics on Ag, Pt, and Ag-Pt Alloys in Low-Temperature SOFCs. Hartmann, K., Krishnan, R., Merz, R., Neplotnik, G., Prinz, F., Schultz, L. Creating an Advanced Collaborative Open Resource Network. Conceptual data model for advanced rapid prototyping. Enhanced Step Coverage of TiO2 Deposited on High Aspect Ratio Surfaces by Plasma-Enhanced Atomic Layer Deposition. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. Employing 50 Hz direct current electric fields in concert with and without osteogenic factors, we demonstrated increased early osteoblast-specific markers. Jiang, X., Guer, T. N., Prinz, F. B., Bent, S. F. Passive water management at the cathode of a planar air-breathing proton exchange membrane fuel cell, Area-Selective Atomic Layer Deposition of Lead Sulfide: Nanoscale Patterning and DFT Simulations. Were on a mission to revolutionize energy storage and power a decarbonized future, and were starting with transportation. A programmable and biodegradable drug delivery device is desirable when a drug needs to be administered locally. Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. This work demonstrates the kinetic role of 2 nm thin YSZ/Pt cermet layers on enhancing the oxygen reduction kinetics for low temperature solid oxide fuel cells. Walch, S. P., Komadina, J. D., Prinz, F. B. Fabian, T., O'Hayre, R., Litster, S., Prinz, F., B., Santiago, J., G. MEMS Fabrication and Performances of Nano-Thin Solid Oxide Fuel Cell. Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide. QuantumScape will have received more than $1.5 billion in commitments to date. QuantumScape was formed in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz from Stanford University. In the future, arrays of micro-SOFCs with high power density may enable a range of mobile and portable power applications. Thian, D., Yemane, Y. T., Logar, M., Xu, S., Schindler, P., Winterkorn, M. M., Provine, J., Prinz, F. B. B., Holme, T. P., Guer, T. M., Prinz, F. B. The precursors studied were M(x)2 (M = Sr, Ba; x = tetramethylheptanedionate (tmhd), acetylacetonate (acac), hexafluoroacetylacetonate (hfac), cyclopentadienyl (H(5)C(5)), pentamethylcyclopentadienyl (Me(5)C(5)), n-propyltetramethylcyclopentadienyl (PrMe(4)C(5)), tris(isopropylcyclopentadienyl) (Pr(3)(i)H(2)C(5)), tris(isopropylcyclopentadienyl)(THF) (Pr(3)(i)H(2)C(5))(OC(4)H(8)), tris(isopropylcyclopentadienyl)(THF)2 (Pr(3)(i)H(2)C(5))(OC(4)H(8))2, tris(tert-butylcyclopentadienyl) (Bu(3)(t)H(2)C(5)), tris(tert-butylcyclopentadienyl)(THF) (Bu(3)(t)H(2)C(5))(OC(4)H(8)), heptafluoro-2,2-dimethyl-3,5-octanedionate (fod)). Park, J. S., Kim, Y., An, J., Prinz, F. B. With the aid of micro-fabrication technology, a novel scaffolding method for biodegradable polymers such as polylactic acid (PLA), polyglycolic acid (PGA), and the copolymers poly(lactide-co-glycolide)(PLGA), was developed to construct three-dimensional multi-layer micro-fluidic tissue scaffolds. 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. In this work, ultra-thin (10 nm) platinum (Pt) cathode/catalyst layers were patterned by atomic layer deposition (ALD) and tested as catalytic electrodes (cathode) for low-temperature solid oxide fuel cells. Tafel plots and the fitted impedance data suggest that the charge transfer coefficient of interlayered SOFCs was 1.25 times higher, and the electrode/interfacial activation energy was reduced from 0.85 to 0.76 eV. Dasgupta, N. P., Walch, S. P., Prinz, F. B. Huang, H., Shim, J., H., Chao, C., C., Pornprasertsuk, R., Sugawara, M., Gr, T., M., Prinz, F. B. In-Plane Conductivities of Atomic Layer Deposited Yttria-Stabilized Zirconia Electrolytes for Solid Oxide Fuel Cells. Born in Vienna, he has spent many years working on various aspects of e-mobility. A thin layer of fast degrading 50/50PLGA was placed as the diffusion layer between the 85/15PLGA layers to prevent any burst-type release. 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. Jagdeep Singh, Tim Holme and Fritz Prinz, a trio from Stanford University, formed the company in 2010. Here we report experimental observation and determination of oxide-ion vacancy concentration near the 13 (510)/[001] symmetric tilt grain-boundary of YSZ bicrystal using aberration-corrected TEM operated under negative spherical aberration coefficient imaging condition. An, J., Shim, J. H., Kim, Y., Park, J. S., Lee, W., Guer, T. M., 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. B., Shim, J. H., Kang, S., Guer, T. M., Prinz, F. B. Mr. Singh co-founded QuantumScape and has served as its Chief Executive Officer since QuantumScapes incorporation in May 2010. 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. The devices were constructed by micro-molding and thermal assembly of 85/15 poly(L-lactide-co-glycolide) sheets. Ryu, W., Min, S. W., Hammerick, K. E., Vyakarnam, M., Greco, R. S., Prinz, F. B., Fasching, R. J. Electrochemical impedance analysis of solid oxide fuel cell electrolyte using kinetic Monte Carlo technique. PbS quantum well structures with a thickness range of 1-20nm were fabricated by atomic layer deposition (ALD). Engineering artificial tissue scaffolds with a similar organization to that of the natural tissue is a key element to the successful recapitulation of function. Such analyses have been performed for inhomogeneities of various shapes and sizes, for different tip-sample separations and tip geometries, for different applied voltages, and for different media (e.g., vacuum or water) in which the experiment is performed. However, the barrier to electron transfer in the strong coupling limit is computed to be small due to minimal geometry change between oxidized and reduced ferredoxin. Crawford, W. S., Cappelli, M. A., Prinz, F. B. Chang, Y. Interestingly, cells exhibited a noticeable difference in stiffness. Design and tuning of a vacuum microplasma spray system: Particle entrainment. View details for DOI 10.1016/j.jpowsour.2013.12.001, View details for Web of Science ID 000331160100015. O'Hayre, R., Lee, S. J., Cha, S. W., Prinz, F. B. Capacitive blade tip clearance measurements for a micro gas turbine. in Mathematical Economics from Colgate University and a J.D. 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. We found that oxygen column intensity is governed primarily by column occupancy rather than by static displacement of oxygen atoms. QuantumScape was founded in 2010 to create a battery that doesnt make compromises and after a decade of hard work, weve built a technology that enables the fast charging, long-lasting and safer batteries required to power zero-emissions transportation. Prior to joining the company, Ms. Fong served as the Vice President of Global Human Resources at PDF Solutions (NASDAQ: PDFS), a semiconductor SAAS company. Part strength improvement in polymer shape deposition manufacturing, Medial Axis Transform (MAT) of general 2D shapes and 3D polyhedra for engineering applications. 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