Shim, J. H., Jiang, X., Bent, S. F., Prinz, F. B. The future is solid. His focus is on micro and nano research in the field of energy, where he researches new materials and methods for efficient energy conversion and storage. . Batteries Move From Labs to Mass Production, Bloomberg, QuantumScape CEO on the Evolution of EV Batteries. Shape Deposition Manufacturing of smart metallic structures with embedded sensors, Thermal analysis of new silicon-based substrates. 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. Brad Buss . Pornprasertsuk, R., Kosasang, O., Somroop, K., Jinawath, S., Prinz, F. B. Fritz Prinz is the Leonardo Professor in the School of Engineering at Stanford University, Professor of Materials Science and Engineering, Professor of Mechanical Engineering, and Senior Fellow at the Precourt Institute for Energy. Engineering model of a passive planar air breathing fuel cell cathode. -C., Kao, J. This enhancement of OER activity for TiO2:Co NWs is attributed to both improved surface charge transfer kinetics and increased bulk conductivity. QuantumScape was worth $54 billion on the stock market shortly after it went public in 2020. Quadros, W. R., Ramaswami, K., Prinz, F. B., Gurumoorthy, B. Structural and compositional analysis of solid oxide fuel cell electrolytes using transmission electron microscopy. Finger, S., Stivoric, J., Amon, C., Gursoz, L., Prinz, F., Siewiorek, D., Smailagic, A., Weiss, L. Rapid design and manufacture of wearable computers. in Environment and Resources from Stanford University. 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. We ascribe such improvements to the crystallization and densification of the film induced by high-energy ion bombardments on the film surface during the plasma treatment. 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. Fabrication of ceramic parts for a miniature jet engine application using Mold SDM. View details for Web of Science ID 000276557100007. 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. Thermal stresses and deposition patterns in layered manufacturing. Shim, J., H., Cha, S., W., O'Hayre, R., Gr, T., M., Prinz, F., B. Lee, W., Dasgupta, N. P., Trejo, O., Lee, J., Hwang, J., Usui, T., Prinz, F. B. Xu, S., Thian, D., Wang, S., Wang, Y., Prinz, F. B. Nanostructuring Materials for Solar-to-Hydrogen Conversion, MEMS-based thin-film solid-oxide fuel cells. 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. Crawford, W. S., Cappelli, M. A., Prinz, F. B. Enhanced Oxygen Exchange on Surface-Engineered Yttria-Stabilized Zirconia. . It is increasingly important to control cell growth into and within artificial scaffolds. Schindler, P., Kim, Y., Thian, D., An, J., Prinz, F. B. Self-limiting atomic layer deposition of barium oxide and barium titanate thin films using a novel pyrrole based precursor. Murine adipose-derived stromal cells (mASCs) migrated toward the cathode in direct current (DC) fields of physiologic strength and show a dose dependence of migration rate to stronger fields. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. Park, J. S., Kang, S. K., Guer, T. M., Prinz, F. B. Automated planning for material shaping operations in additive/subtractive Solid Freeform Fabrication. Stampfl, J., Leitgeb, R., Cheng, Y. L., Prinz, F. B. mu-Mold Shape Deposition Manufacturing of ceramic parts. 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. Stream Pietro Mascagni - L'Amico Fritz, piano - Oliveira - Titinger - Lago - So Paulo - 2016 by Jorge Coli on desktop and mobile. We were also able to establish that commonly reported artifacts of electric field stimulation are not the primary mediators of the observed effects. Fabian, T., Posner, J. D., O'Hayre, R., Cha, S., Eaton, J. K., Prinz, F. B., Santiago, J. G. High ionic conductivity in ultrathin nanocrystalline gadolinia-doped ceria films. Prinz, F., B., Weiss, L., Amon, C., Beuth, J. CNC Cutter Path Generation in Shape Deposition Manufacturing. Dasgupta, N. P., Mack, J. F., Langston, M. C., Bousetta, A., Prinz, F. B. Insider Purchases QS / Quantumscape Corp - Short Term Profit Analysis. Metal NWs are grown by electrodeposition on the scanning probe tip. Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. Iancu, A. T., Logar, M., Park, J., Prinz, F. B. 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. Subnanometer-resolved local electron energy structure was measured in PbS quantum dot superlattice arrays using valence electron energy loss spectroscopy with scanning transmission electron microscopy. We present atomic-scale imaging of oxygen columns and show quantitative analysis on the occupancy of the columns in yttria-stabilized zirconia (YSZ) using aberration-corrected TEM operated under the negative Cs condition. 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. Ultra-sharp nano-probes and customized atomic force microscopy (AFM) have previously been developed in our laboratory for in situ sub-cellular probing of electrochemical phenomena in living plant cells during their photosynthesis. Park, J. S., Holme, T. P., Shim, J. H., Prinz, F. B. Material strength in polymer shape deposition manufacturing, INTEGRATED DESIGN AND RAPID MANUFACTURING OVER THE INTERNET. 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. Furthermore, this ALD Pt resulted in fuel cell performance comparable to that achieved by 80 nm-thick sputtered Pt. Cha, S. W., Lee, S. J., Park, Y. I., Prinz, F. B. 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. Specifically, quantum confinement effects on the band gap of PbS quantum wells were explored by controlling the PbS film thickness and potential barrier height. Area-selective atomic layer deposition (ALD) of lead sulfide (PbS) was achieved on octadecyltrichlorosilane (ODTS)-patterned silicon substrates. B., Guer, T. M., Jung, H., Kang, S., Sinclair, R., Prinz, F. B. Three-dimensional biodegradable microscaffolding: Scaffold characterization and cell population at single cell resolution. Prinz, F., B., Zhou, Y., Holme, T., Berry, J., Ohno, T., Ginley, D. First principles study of doped carbon supports for enhanced platinum catalysts. Other executives include Fritz Prinz, Founder & Chief Scientific Advisor, Board Member; Timothy Holme, Founder & Chief Technology Officer and 15 others. Solvent-vapor based bonding of micro-molded layers preserved 20 microm sized structures. Tim Holme is the Co-Founder and Chief Technology Officer of QuantumScape, a leading developer of solid-state lithium-metal batteries, designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources. Dr. Holme holds a B.S. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. Stampfl, J., Liu, H. C., Nam, S. W., Sakamoto, K., Tsuru, H., KANG, S. Y., Cooper, A. G., Nickel, A., Prinz, F. B. Buie, C. R., BANIN, Y., Tang, C. Y., Santiago, J. G., Prinz, F. B., Pruitt, B. L. Finding narrow passages with Probabilistic Roadmaps: The small-step retraction method. It was recently worth about $4 billion. Dasgupta, N. P., Xu, S., Jung, H. J., Iancu, A., Fasching, R., Sinclair, R., Prinz, F. B. Ab initio kinetic Monte Carlo model of ionic conduction in bulk yttria-stabilized zirconia, Improved oxygen surface exchange kinetics at grain boundaries in nanocrystalline yttria-stabilized zirconia. B., Jung, H. J., Park, J. S., Cha, S. W., Guer, T. M., Prinz, F. B. Nanoscale impedance and complex properties in energy-related systems. Localized Charge Transfer Reactions near the Pt-YSZ Interfaces using Kelvin Probe Microscopy. The role of ambient conditions on the performance of a planar, air-breathing hydrogen PEM fuel cell. Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide (Invited). 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. Usui, T., Mollinger, S. A., IANCU, A. T., Reis, R. M., Prinz, F. B. 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. Chang, Y. C., Saha, M., Prinz, F., Latombe, J. C., Pinilla, J. In comparing hASC-iPSCs to their origin cell, the hASC, the reprogrammed cell is significantly less stiff, indicating that greater differentiation potentials may correlate with a lower cellular modulus. 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. You, L., Temiyasathit, S., Tao, E., Prinz, F., Jacobs, C. R. A resolution study for electrostatic force microscopy on bimetallic samples using the boundary element method. ENERGY TRANSFER BETWEEN QUANTUM DOTS OF DIFFERENT SIZES FOR QUANTUM DOT SOLAR CELLS, Kinetic Monte Carlo Simulations of Solid Oxide Fuel Cell. We constructed biodegradable micro-osmotic pumps based on MEMS technology for long-term controlled release of bFGF. Effects of size polydispersity on electron mobility in a two-dimensional quantum-dot superlattice. O'Hayre, R., Fabian, T., Litster, S., Prinz, F., B., Santiago, J., G. Biodegradable Micro-Fluidic Sheet-Devices for Programmed Drug Release. The Co dopant concentration significantly affects the oxygen evolution reaction (OER) activity of TiO2:Co NWs, and the TiO2:Co NWs with 12 at% of Co on the surface show the highest OER activity with a 0.76 V reduction of the overpotential with respect to undoped TiO2 NWs. Tissues such as skin, blood vessels, and cartilage have multi-layer structures with different cells in each layer. Ryu, W., Fasching, R. J., Vyakarnam, M., Greco, R. S., Prinz, F. B. Hammerick, K. E., James, A. W., Huang, Z., Prinz, F. B., Longaker, M. T. Kinetic Monte Carlo simulations of oxygen vacancy diffusion in a solid electrolyte: Computing the electrical impedance using the fluctuation-dissipation theorem, Sputtered Pt-Ru Alloys as Catalysts for Highly Concentrated Methanol Oxidation. The diketonate precursors have stronger bonds to the metals than the Cp precursors, but weaker bonds within the ligand, explaining the carbon contamination found in experimentally grown films. PbS quantum well structures with a thickness range of 1-20nm were fabricated by atomic layer deposition (ALD). Ryu, W., H., Fasching, R., Hammerick, K., Min, S., Prinz, F., B. 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. An, J., Kim, Y. 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. Ms. Fong holds a B.S. Single NW probes can measure surface topographies, electrode potentials, and their mechanical bending properties. 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. 300 likes. Previous studies of osteogenic potential in ASCs have focused on chemicals, growth factors, and mechanical stimuli. Li, X. C., Johnsen, J., Groza, J., Prinz, F. Rapid prototyping and manufacturing by gelcasting of metallic and ceramic slurries. 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. Mr. Singh co-founded QuantumScape and has served as its Chief Executive Officer since QuantumScapes incorporation in May 2010. 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. View details for Web of Science ID 000313149800053, View details for DOI 10.1016/j.ssc.2012.09.019, View details for Web of Science ID 000312238200010, View details for Web of Science ID 000313769300012, View details for Web of Science ID 000311190800041, View details for DOI 10.1016/j.jpowsour.2012.06.103, View details for Web of Science ID 000309038100030, View details for DOI 10.1002/adfm.201200398, View details for Web of Science ID 000308329800015, View details for DOI 10.1088/0965-0393/20/6/065006, View details for Web of Science ID 000308251800006, View details for Web of Science ID 000314592100008, View details for Web of Science ID 000306748000089, View details for DOI 10.1007/s12541-012-0170-8, View details for Web of Science ID 000305804200038, View details for DOI 10.1557/mrs.2012.145, View details for Web of Science ID 000306367300013, View details for DOI 10.1002/aenm.201200002, View details for Web of Science ID 000305179000006, View details for DOI 10.1002/adfm.201101996, View details for Web of Science ID 000300931500008, View details for DOI 10.1016/j.elecom.2011.12.002, View details for Web of Science ID 000301617200020, View details for DOI 10.1016/j.actamat.2011.09.050, View details for Web of Science ID 000297822300001, View details for Web of Science ID 000316017000005, View details for Web of Science ID 000298992800061, View details for Web of Science ID 000298992800010, View details for Web of Science ID 000307714100010, View details for Web of Science ID 000298992800053, View details for DOI 10.1002/adfm.201101058, View details for Web of Science ID 000298017900010, View details for DOI 10.1016/j.jpowsour.2011.08.075, View details for Web of Science ID 000296928100002. Fabian, T., O'Hayre, R., Litster, S., Prinz, F. B., Santiago, J. G. Atomic Layer Deposition (ALD) Co-Deposited Pt-Ru Binary and Pt Skin Catalysts for Concentrated Methanol Oxidation. Crabb, K., M., Park, J., S., Chao, C. -C., Prinz, F., B. Dopant-Induced Electronic Structure Modification of HOPG Surfaces: Implications for High Activity Fuel Cell Catalysts. Hartmann, K., Krishnan, R., Merz, R., Neplotnik, G., Prinz, F., Schultz, L. Creating an Advanced Collaborative Open Resource Network. Tim Holme, and Fritz B. Prinz in May 2010 and is . Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. These insights will help design high-efficiency SOFCs that operate at low temperatures with power densities that are of practical significance. Mr. Hettrich holds a B.A. The researchers are developing solid-state batteries for EVs and other uses in industry. He is the Director of Rapid Prototyping Laboratory and the Co-Director of Alliance of Innovative Manufacturing at Stanford. 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. Residual stresses in layered manufacturing. 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. Solid Oxide Fuel Cells with Atomic Layer Deposited Platinum Catalyst, Geometric Effects at Triple Phase Boundary in Solid Oxide Fuel Cells. Jung, H. J., Dasgupta, N. P., Van Stockum, P. B., Koh, A. L., Sinclair, R., Prinz, F. B. Jiang, X., Huang, H., Prinz, F. B., Bent, S. F. Proton conduction in thin film yttrium-doped barium zirconate, Nanoscale probe system for cell-organelle analysis. It is illegal for insiders to make trades in their companies based on specific, non-public information. 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. Atomic Scale Verification of Oxide-Ion Vacancy Distribution near a Single Grain Boundary in YSZ. 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. Fabian, T., O'Hayre, R., Litster, S., Prinz, F., B., Santiago, J., G. MEMS Fabrication and Performances of Nano-Thin Solid Oxide Fuel Cell. On September 3, 2020, QuantumScape announced an agreement to merge with the blank check special purpose acquisition company (SPAC) company Kensington Capital Acquisition Corp. 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. Jagdeep went to college at the age of 15, graduated with a major in computer science, and started his own business early. Product Solid-state battery Oxygen diffusion across the grain boundary in bicrystal yttria stabilized zirconia. In addition, AFM lithography was employed to create nanoscale PbS patterns. Shim, J. H., Park, J. S., An, J., Guer, T. M., Kang, S., Prinz, F. B. High-performance ultrathin solid oxide fuel cells for low-temperature operation. Water management in proton exchange membrane fuel cells using integrated electroosmotic pumping. 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. 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. An, J., Kim, Y., Guer, T. M., Prinz, F. B. Finally, reaction energetics are calculated for two likely reaction pathways over Pt clusters supported on different HOPG substrates. Fasching, R. J., Bai, S., Fabian, T., Prinz, F. B. Thin-film solid oxide fuel cells on porous nickel substrates with multistage nanohole array. Improving solid oxide fuel cells with yttria-doped ceria interlayers by atomic layer deposition. Cha, S. W., O'Hayre, R., Saito, Y., Prinz, F. B. Analytical and experimental study on noncontact sensing with embedded fiber-optic sensors in rotating metal parts, Ionic and electronic impedance imaging using atomic force microscopy, RP of Si3N4 burner arrays via assembly mould SDM. Ultra-sharp High-aspect-ratio Probe Array for SECM and AFM Analysis. A., Su, P., Prinz, F. B., Hemker, K. J. Bae, J., Hong, S., Koo, B., An, J., Prinz, F. B., Kim, Y. Fessler, J., Nickel, A., Link, G., Prinz, F., FUSSELL, P. The Compact Graph Format: An Interchange Standard for Solid Freeform Fabrication. CORPORATE FACT SHEET About QuantumScape QuantumScape, founded in 2010 in California, is a leader in the development . 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. B., Park, J. S., Prinz, F. B. B., Park, J. S., An, J., Guer, T. M., Prinz, F. B. s) are accessible superseding the use of extrinsic doping, which generally produces orders of magnitude smaller values. Plasma-induced crystallization presented in this work may have an immediate impact on fabricating and manufacturing DRAM capacitors due to its simplicity and compatibility with industrial standard thin film processes.
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