It operates from room temperature up to 200 C, and at pressures from 1 10(-6) Torr to 1 10(-2) Torr. 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). This study presents atomic scale characterization of grain boundary defect structure in a functional oxide with implications for a wide range of electrochemical and electronic behavior. QuantumScape, the leading developer of next-generation solid-state batteries for electric vehicles, listed today on the NYSE. 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. 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. Fan, Z., Chao, C., Hossein-Babaei, F., Prinz, F. B. Stress-driven grain growth in nanocrystalline Pt thin films. QuantumScape was founded in 2010 to create a battery that doesn't make compromises and after a decade of hard work, we've built a technology that enables the fast charging, long-lasting and safer batteries required to power zero-emissions transportation. However, three-dimensional (3-D) fabrication of tissue scaffolds containing complex microarchitectures still remains a challenge. Electron energy loss spectroscopy measurements with scanning TEM indicated increased oxide-ion vacancy concentration at the grain boundary core. Atomic layer deposition by reaction of molecular oxygen with tetrakisdimethylamido-metal precursors. Kao, J. H., HEMMERLE, J. S., Prinz, F. B. Entwicklung elektrochemischer Dnnschicht CO2-Sensoren, Grundlagen und Technologie elektronischer Bauelemente. 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. Applying a positive bias, in contrast, generated a positive surface charge adjacent to the tip contact area. Part strength improvement in polymer shape deposition manufacturing, Medial Axis Transform (MAT) of general 2D shapes and 3D polyhedra for engineering applications. Because noble metal catalysts (e.g. 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. 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. The company quickly gained major investors' attention. Fabian, T., Kang, S., Prinz, F., Brasseur, G. Fabrication of ceramic components for micro gas turbine engines. Through a combination of analyses and experiments, we provide evidence that this behavior is primarily due to an excess of oxygen in the films. Variation of Energy Density of States in Quantum Dot Arrays due to Interparticle Electronic Coupling. View details for DOI 10.1007/s40684-014-0025-0, View details for Web of Science ID 000340035500004. 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. By scanning the Li intercalation potential from high to low, we have gained control of multiple important material properties in a continuous manner, including tuning the oxidation state of Mo, the transition of semiconducting 2H to metallic 1T phase, and expanding the van der Waals gap until exfoliation. 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. 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. Atomic Layer Deposition of Mixed Conducting Cathodes for Solid Oxide Fuel Cells, Fabrication and Characterization of Lead Sulfide Thin Films by Atomic Layer Deposition". Fritz Prinz has not been actively trading shares of QuantumScape during the last ninety days. Effects of QD Surface Coverage in Solid-State PbS Quantum Dot-Sensitized Solar Cells. A microfabricated direct methanol fuel cell with integrated electroosmotic pump. 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. Solvent-vapor based bonding of micro-molded layers preserved 20 microm sized structures. Sharon, J. The solid electrolyte allows us to use lithium-metal for the anode, which is the lightest metal on the planet and nearly 10 times more energy dense than whats used in todays batteries. Fritz Prinz - QS / Quantumscape Corp - Insider Trade Report - Fintel 300 likes. An, J., Kim, Y. Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. in Management from Stanford Graduate School of Business. View details for DOI 10.1016/j.jconrel.2007.08.024. 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. QuantumScape was founded in 2010, with the goal to create a solid-state lithium battery. 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. To study EFM measurements on bimetallic samples with surface potential inhomogeneities as a special case, we have simulated such measurements using the boundary element method and calculated the force component and force gradient component that would be measured by amplitude modulation (AM) EFM and frequency modulation (FM) EFM, respectively. QuantumScape: Why This SPAC Is Under Attack - SeekingAlpha Water Management at the Cathode of a Planar Air-Breathing Fuel Cell with an Electroosmotic Pump. Here we demonstrate a new technique for fabrication of quantum dots during the nucleation stage of atomic layer deposition (ALD) of PbS. 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. from Vanderbilt University Law School. Kang, S., Su, P. C., Park, Y. I., Saito, Y., Prinz, F. B. Ion irradiation effects on yttria-stabilized zirconia conductivity. Design and tuning of a vacuum microplasma spray system: Particle entrainment. 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. 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. Fasching, R., Ryu, W., Bai, S., Park, J., Fabian, T., Moseley, J., Grossman, A., Prinz, F. Ionic conduction in nanoscale films of yttrium-doped barium zirconate, Microfabrication technology of biodegradable polymers for interconnecting microstructures. 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)). 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. Shape Deposition Manufacturing of smart metallic structures with embedded sensors, Thermal analysis of new silicon-based substrates. Thermal stresses and deposition patterns in layered manufacturing. Liu, H., C., Stampfl, J., Kang, S., Prinz, F., B. Prinz, F., B., Aschauer, E., Fasching, R., Varahram, M., Jobst, G., Urban, G. Shape deposition manufacturing of heterogeneous structures. Pornprasertsuk, R., Holme, T., Prinz, F. B. Motoyama, M., Dasgupta, N. P., Prinz, F. B. Area-Selective Atomic Layer Deposition Using Self-Assembled Monolayer and Scanning Probe Lithography, SCANNING TUNNELING MICROSCOPY OF QUANTUM CONFINEMENT EFFECTS IN LEAD SULFIDE THIN FILMS, Atomic layer deposition of LSM cathodes for solid oxide fuel cells, Open micro-fluidic system for atomic force microscopy-guided in situ electrochemical probing of a single cell. Therefore, quantitative analysis is crucial to understanding the relationship between the actual local surface potential distribution and the quantities obtained from EFM measurements. Dr. Holme holds a B.S. The scaling behavior of flow patterns: a model investigation. 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. A CAD integration framework for designing devices with atomic scale resolution. Rapid and Controllable Flame Reduction of TiO2 Nanowires for Enhanced Solar Water-Splitting. 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. Insider Purchases QS / Quantumscape Corp - Short Term Profit Analysis. 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. An, J., Kim, Y., Park, J., Gur, Turgut, M., Prinz, Fritz, B. Its resolution is limited by the finite probe size and the long-range characteristics of electrostatic forces. One NW can be selected to remain by focused ion beam technique. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. Effects of Ion Irradiation on the Performance of Solid Oxide Fuel Cells. It was recently worth about $4 billion. Thermal stabilities of nanoporous metallic electrodes at elevated temperatures. 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. 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. Enhancing charge transfer kinetics by nanoscale catalytic cermet interlayer. 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. The energy required to break bonds between the metal atom and the ligands was calculated to find which precursors react most readily. Approaching the limits of dielectric breakdown for SiO2 films deposited by plasma-enhanced atomic layer deposition. Prinz, F., B., Fabian, T., Brasseur, G., Hauser, H. The Mesicopter: A Meso-Scale Flight Vehicle. We found that oxygen column intensity is governed primarily by column occupancy rather than by static displacement of oxygen atoms. 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. These insights will help design high-efficiency SOFCs that operate at low temperatures with power densities that are of practical significance. Mr. Singh co-founded QuantumScape and has served as its Chief Executive Officer since QuantumScapes incorporation in May 2010. The observed enhancement in cell performance is believed to be due to the increased triple phase boundary (TPB) density in the cermet interlayer. Relating Electronic and Geometric Structure of Atomic Layer Deposited BaTiO3 to its Electrical Properties. 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. 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. Effect of Cation Non-Stoichiometry and Crystallinity on the Ionic Conductivity of Atomic Layer Deposited Y:BaZrO3 Films. Implications of Electricity Liberalization for Combined Heat and Power (CHP) Fuel Cell Systems (FCSs): a Case Study of the United Kingdom, Near Net Shape Forming Of Advanced Structural Ceramic Devices, Cantilever Tip-Probe Arrays for Simultaneous SECM and AFM Analysis, Micro-scale Electrochemistry: Application to Fuel Cell, Design Options for Achieving a Rapidly Variable Heat-to-Power Ratio in a Combined Heat and Power (CHP) Fuel Cell System, Design Considerations for Effective Control of an Afterburner Sub-System in a Combined Heat and Power (CHP) Fuel Cell System (FCS), Modelling Results for the Thermal Management Sub-System of a Combined Heat and Power (CHP) Fuel Cell Systems (FCS), Design, Construction, and Testing of a Fuel Cell Powered Scooter, Freeman Spogli Institute for International Studies, Institute for Computational and Mathematical Engineering (ICME), Institute for Human-Centered Artificial Intelligence (HAI), Institute for Stem Cell Biology and Regenerative Medicine, Stanford Institute for Economic Policy Research (SIEPR), Stanford Woods Institute for the Environment, Office of VP for University Human Resources, Office of Vice President for Business Affairs and Chief Financial Officer, Quantum Field Theory (QFT) for Engineering Applications, Directed Research and Writing in Aero/Astro, Engineering Problems and Experimental Investigation, Experimental Investigation of Engineering Problems, Participation in Materials Science Teaching. Adipose-derived stromal cells (ASCs) constitute a promising source of cells for regenerative medicine applications. 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. View details for DOI 10.1088/0957-4484/20/44/445706, View details for Web of Science ID 000270562900028. Novel Technologies for the Assembling of ASIC's and MEMS, Current Developments of Microelectronics, Seminar organized by the society for microelectronics. Enhancing ionic conductivity of bulk single-crystal yttria-stabilized zirconia by tailoring dopant distribution, Elastic Properties of Induced Pluripotent Stem Cells. Here we demonstrate the continuous tuning of layer vertically aligned MoS2 nanofilms through electrochemical intercalation of Li(+) ions. However, existing doping methods face the challenge of simultaneous control over the morphology, crystallinity, dopant distribution and concentration at the nanometer scale. The stiffness differences are not dependent on cell culture density; hence, material differences between cells cannot be attributed solely to cell-cell constraints. 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. 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. View details for DOI 10.1007/s10529-011-0604-x, View details for Web of Science ID 000293752000025, View details for DOI 10.1016/j.mee.2010.12.006, View details for Web of Science ID 000293663400191. Prior to joining QuantumScape, he was a Research Associate at Stanford University from June 2008 to January 2011. Chang, Y. Such column-by-column quantification of defect concentration in functional materials can provide new insights that may lead to engineered grain boundaries designed for specific functionalities. 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. Ryu, W. H., Vyakarnam, M., Greco, R. S., Prinz, F. B., Fasching, R. J. It took five years of experimentation to find it, Singh said, and five more to . Privacy Policy | Terms of Use 2022 QuantumScape Corporation1730 Technology Drive, San Jose, CA 95110info@quantumscape.com. Efficiency enhancement of solid-state PbS quantum dot-sensitized solar cells with Al2O3 barrier layer. Quantumscape CEO and key executive team | Craft.co We report the use of scanning tunneling spectroscopy (STS) to investigate one-dimensional quantum confinement effects in lead sulfide (PbS) thin films. Exploring the local electronic structure and geometric arrangement of ALD Zn(O,S) buffer layers using X-ray absorption spectroscopy. B., Kim, J. 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. View details for Web of Science ID 000288061500003, View details for DOI 10.1103/PhysRevB.83.052301, View details for Web of Science ID 000287358900001. Kim, Y. 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. Low Temperature Direct Methanol Fuel Cell with YSZ Electrolyte. 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. A programmable and biodegradable drug delivery device is desirable when a drug needs to be administered locally. The methodology and the high spatial resolution characterization tool employed in the present study provide insights into the distribution of oxygen vacancies in the bulk as well as near grain boundaries and pave the way for further investigation and atomic-scale analysis in other important oxide materials. A micro-fabrication technology was used to shape an array of micro-orifices and micro-cavities in 85/15PLGA layers. Shim, J. H., Park, J. S., Holme, T. P., Crabb, K., Lee, W., Kim, Y. 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. QuantumScape - Governance - Leadership Shim, J., H., Kim, Y., B., Park, J., S., Prinz, F., B. Ultra-sharp High-aspect-ratio Probe Array for SECM and AFM Analysis. Energy States of Ligand Capped Ag Nanoparticles: Relating Surface Plasmon Resonance to Work Function. It is illegal for insiders to make trades in their companies based on specific, non-public information. The proposed devices can be further miniaturized and used for the delivery of multiple therapeutic agents at the individual releasing schedules. Quadros, W. R., Ramaswami, K., Prinz, F. B., Gurumoorthy, B. Fabrication and Characterization of Lead Sulfide Thin Films by Atomic Layer Deposition. 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. 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. Cell suspensions were passed at a predetermined flow rate through biodegradable polymer layers that contained tapered microholes in a massively parallel process. 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. Park, Y. I., Saito, Y., Pornprasertsuk, R., Cheng, J., Cha, S. W., Prinz, F. B.