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. An approach to overcome this sluggish kinetics is by engineering the oxide surface with a lower oxygen incorporation barrier. CORPORATE FACT SHEET About QuantumScape QuantumScape, founded in 2010 in California, is a leader in the development . Headquartered in San Jose, California, the company is currently worth $ 50 billion and is funded by Bill Gates and Volkswagen. For Pt clusters supported on HOPG with vacancy aggregations, this study shows a strong driving force for nucleation and a much enhanced tendency for particle ripening. Considerable attention has been focused on solid oxide fuel cells (SOFCs) due to their potential for providing clean and reliable electric power. 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. View details for Web of Science ID 000317317500017. 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. Komadina, J., Kim, Y. Shen, Y., Lee, M., Lee, W., Barnett, D. M., Pinsky, P., Prinz, F. B.
PDF December, 2020 Originally Published: December 8, 2020 - QuantumScape Frank Blome Independent Director. Jagdeep went to college at the age of 15, graduated with a major in computer science, and started his own business early. 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. Kim, Y., Provine, J., Waich, S. P., Park, J., Phuthong, W., Dadlani, A. L., Kim, H., Schindier, P., Kim, K., Prinz, F. B. 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. View details for DOI 10.1089/ten.tea.2010.0211, View details for Web of Science ID 000286661600023, View details for PubMedCentralID PMC3052278, View details for Web of Science ID 000300770102019, View details for Web of Science ID 000305937200034, View details for Web of Science ID 000300615700012, View details for Web of Science ID 000295626000032, View details for Web of Science ID 000292978600048, View details for DOI 10.1016/j.scriptamat.2010.08.057, View details for Web of Science ID 000284453300007, View details for Web of Science ID 000300770105038, View details for Web of Science ID 000295841200168, View details for Web of Science ID 000309464600012. This result suggests the ability to significantly reduce Pt loading, thereby reducing the cost, and furthermore, can be easily applied to high performance fuel cells with complex 3-D structures. Dasgupta, N. P., Lee, W., Holme, T. P., Prinz, F. B. Characteristics of Oxygen Reduction on Nanocrystalline YSZ. 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. In Situ Cycle-by-Cycle Flash Annealing of Atomic Layer Deposited Materials. Shape Deposition Manufacturing of smart metallic structures with embedded sensors, Thermal analysis of new silicon-based substrates. Experimentally, we find that Pt supported by N-HOPG is more disperse, more catalytically active and suffers less particle ripening than native HOPG, while Pt supported on Ar-irradiated HOPG is slightly more active but ripens more than Pt on native HOPG. Prinz, F., B., Gowrishankar, V., Hutton, D., Fluhrer, C., Dasgupta, N. Water Removal from Proton Exchange Membrane Fuel Cells via Electroosmotic Pumping. Cheng, Y. L., Stampfl, J., Leitgeb, R., Prinz, F. B. A microfabricated direct methanol fuel cell with integrated electroosmotic pump. In addition, AFM lithography was employed to create nanoscale PbS patterns. 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. We used atomic force microscopy-based force spectroscopy to record an increase in the cytoskeletal tension after treatment with electric fields. An, J., Kim, Y., Gr, T. M., Prinz, F. B. However, the high operating temperatures of current SOFCs limit their adoption in mobile applications. 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. 2012 In 2012, QuantumScape began working with German automaker Volkswagen. 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. That has not stopped the company from forging ahead with a. The instrument can be used as an observation tool to monitor the initial growth phases of ALD in situ, as well as a nanofabrication tool by applying an electric field with the tip to laterally pattern deposition. Mr. McCarthy holds a B.A. The results demonstrate that electrolyte surface engineering with ALD can have a meaningful impact on the performance of electrochemical devices. The stiffness differences are not dependent on cell culture density; hence, material differences between cells cannot be attributed solely to cell-cell constraints. Schindler, P., Logar, M., Provine, J., Prinz, F. B.
Fritz Prinz Net Worth, Biography, and Insider Trading In 2000, he founded a company (listed as Infinera, INFN). 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. Finally, reaction energetics are calculated for two likely reaction pathways over Pt clusters supported on different HOPG substrates. A., Su, P., Prinz, F. B., Hemker, K. J. Mechanical masking of films deposited by atomic layer deposition, Surface-Modified Low-Temperature Solid Oxide Fuel Cell. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. Most recently, Fritz Prinz sold 270,301 shares of the business's stock in a transaction on Monday, August 15th. Kang, S., Su, P. C., Park, Y. I., Saito, Y., Prinz, F. B. Ion irradiation effects on yttria-stabilized zirconia conductivity. However, existing doping methods face the challenge of simultaneous control over the morphology, crystallinity, dopant distribution and concentration at the nanometer scale. MD simulations of the interaction of ferredoxin and protonated pyridine within a water solvation box indicate that the protonated pyridine does strongly orient the ferredoxin, favoring electron transfer as compared to a bare gold surface, where we speculate the orientation of the ferredoxin may be more random. A CAD integration framework for designing devices with atomic scale resolution. It is increasingly important to control cell growth into and within artificial scaffolds. B., Shim, J. H., Kang, S., 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. This high resolution cell seeding method allows accurate manipulation of cell placement in thin layers of biodegradable polymers. Here we present experimental evidence of spatial variations in the lowest available electron transition energy within a series of single electrically isolated QDs due to a dome-shaped geometry, measured using electron energy-loss spectroscopy in a (scanning) transmission electron microscope [(S)TEM-EELS].
QuantumScape: Building The Battery Of The Future - SeekingAlpha B., Park, J. S., Prinz, F. B. This is made possible by nanostructuring of the ultrathin (60 nm) electrolyte interposed with a nanogranular catalytic interlayer at the cathode/electrolyte interface. Islands with sub-10 nm diameters were observed during the initial ALD cycles by transmission electron microscopy, and in situ observations of the coalescence and sublimation behavior of these islands show the possibility of further modifying the size and density of dots by annealing. Water Management at the Cathode of a Planar Air-Breathing Fuel Cell with an Electroosmotic Pump. Effects of QD Surface Coverage in Solid-State PbS Quantum Dot-Sensitized Solar Cells. Prinz, F., B., Fabian, T., Brasseur, G., Hauser, H. The Mesicopter: A Meso-Scale Flight Vehicle. As regenerative therapies continue to explore ways to control mesenchymal progenitor cells to recreate desirable tissues, it is increasingly necessary to characterize the vast nature of biological responses imposed by physical phenomena. Privacy Policy | Terms of Use 2022 QuantumScape Corporation1730 Technology Drive, San Jose, CA 95110info@quantumscape.com. 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. Our results show that the band gap of PbS thin films increased as the film thickness decreased, and the barrier height increased from 0.45 to 2.19eV. Mr. McCarthy has served as QuantumScapes Chief Legal Officer and Head of Corporate Development since March 2013. Shim, J. H., Park, J. S., Holme, T. P., Crabb, K., Lee, W., Kim, Y. From September 1997 to April 2003, Mr. McCarthy served as Senior Vice President and General Counsel of Ciena Corporation, a network strategy and technology company. Fasching, R. J., Bai, S., Fabian, T., Prinz, F. B. Thin-film solid oxide fuel cells on porous nickel substrates with multistage nanohole array. Energy States of Ligand Capped Ag Nanoparticles: Relating Surface Plasmon Resonance to Work Function. Park, J. S., An, J., Lee, M. H., Prinz, F. B., Lee, W. The Use of Contact Mode Atomic Force Microscopy in Aqueous Medium for Structural Analysis of Spinach Photosynthetic Complexes. 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. Effect of High Surface Area Pd Electrodes on SOFC Performance at 350 degrees C. Komadina, J., Motoyama, M., Kim, Y. An, J., Usui, T., Logar, M., Park, J., Thian, D., Kim, S., Kim, K., Prinz, F. B. Jagdeep Singh, Tim Holme and Fritz Prinz, a trio from Stanford University, formed the company in 2010. See the full leadership team at Craft. Does integrated-circuit fabrication show the path for the future of mechanical manufacturing? s) are accessible superseding the use of extrinsic doping, which generally produces orders of magnitude smaller values. Prinz, F., B., Zhou, Y., Holme, T., Berry, J., Ohno, T., Ginley, D. First principles study of doped carbon supports for enhanced platinum catalysts. This system affords easy AFM access and allows for maintenance of the cells in a well-defined chemical environment, which sustains their biological activity. 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. Shape deposition manufacturing with microcasting: Processing, thermal and mechanical issues. Shim, J. H., Jiang, X., Bent, S. F., Prinz, F. B. O'Hayre, R., Fabian, T., Litster, S., Prinz, F. B., Santiago, J. G. The construction of three-dimensional micro-fluidic scaffolds of biodegradable polymers by solvent vapor based bonding of micro-molded layers. Endogenous electric fields play an important role in embryogenesis, regeneration, and wound repair and previous studies have shown that many populations of cells, leukocytes, fibroblasts, epithelial cells, and endothelial cells, exhibit directed migration in response to electric fields. Active water management for proton exchange membrane fuel cells using an integrated electroosmotic pump.
Caution and Patience Are Needed for QuantumScape - Insider The use of micro-channels for making the electrochemical measurements significantly reduces parasitic electrical capacitances and allows for current detection in the sub-pico-ampere range at high signal bandwidths. 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. In this role, he oversees advanced materials research, technical product development, machine learning, and intellectual .