The proposed devices can be further miniaturized and used for the delivery of multiple therapeutic agents at the individual releasing schedules. Kim, Y. 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. Kietzman, J. W., Cooper, A. G., Weiss, L. E., Schultz, L., Lombardi, J. L., Prinz, F. B. Reflections on a concurrent design methodology: A case study in wearable computer design. He successfully developed the advanced optical fiber . Relating Electronic and Geometric Structure of Atomic Layer Deposited BaTiO3 to its Electrical Properties. We used atomic force microscopy-based force spectroscopy to record an increase in the cytoskeletal tension after treatment with electric fields. Consequently, PbS thin films were grown selectively only where ODTS was not present, whereas deposition was blocked in regions where ODTS was grown. QuantumScape Corporation 2020 Equity Incentive Plan Form of Restricted Stock Unit Agreement 8-K 001-39345 10.10 December 2, 2020 4.6 QuantumScape Corporation 2020 Equity Incentive Plan Form of Restricted Stock Agreement. That has not stopped the company from forging ahead with a. Further extension of these techniques to create a micro-vascular network within or between layers is possible. View details for DOI 10.1016/j.jpowsour.2013.12.001, View details for Web of Science ID 000331160100015. Active water management at the cathode of a planar air-breathing polymer electrolyte membrane fuel cell using an electroosmotic pump. This system was successfully used to measure light-dependent oxidation currents of a few pico-amperes from the green alga Chlamydomonas reinhardtii. We constructed biodegradable micro-osmotic pumps based on MEMS technology for long-term controlled release of bFGF. Human fibroblast and hASC stiffness was also ascertained for comparison. Hong, S., Bae, J., Koo, B., Chang, I., Cho, G. Y., Kim, Y., Cha, S. W., Prinz, F. B. Digitally-patterned nanoprobe arrays for single cell insertion enabled by wet tapping. Atomic Scale Verification of Oxide-Ion Vacancy Distribution near a Single Grain Boundary in YSZ. Wang, X., Huang, H., Holme, T., Tian, X., Prinz, F. B. Koolwal, A. Quantum dots provide unique advantages in the design of novel optoelectronic devices owing to the ability to tune their properties as a function of size. Single NW probes can measure surface topographies, electrode potentials, and their mechanical bending properties. Lee, S. J., Chang-Chien, A., Cha, S. W., O'Hayre, R., Park, Y. I., Saito, Y., Prinz, F. B. In all respects, the findings agree with experiment. After a negative bias was applied at the tip, a sequence of surface potential maps appeared compatible with electron injection onto the electrolyte surface. Kim, Y. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. Here we demonstrate a new technique for fabrication of quantum dots during the nucleation stage of atomic layer deposition (ALD) of PbS. Lee, H., Park, S. B., Oh, M., Coo, K., Park, Y., Suzuki, S., Nagai, M., Prinz, F. B. Atomistic simulations of surface segregation of defects in solid oxide electrolytes, Pulsed Direct Current Electric Fields Enhance Osteogenesis in Adipose-Derived Stromal Cells. Prinz, F., B., Petousis, I., Homburg, E., Derks, R., Dietzel, A. Electrostatic force microscopy (EFM) is a special design of non-contact atomic force microscopy used for detecting electrostatic interactions between the probe tip and the sample. Shim, J. H., Chao, C., Huang, H., Prinz, F. B. Electrical properties of YSZ thin films deposited on nanoporous substrates. Density functional theory was used to simulate Sr and Ba precursors, and several precursors were selected and used to grow films via ALD as test cases for the precursor selection method. O'Hayre, R., Fabian, T., Lee, S. J., Prinz, F. B. Medial axis transform assists path planning in configuration spaces with narrow passages. 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. Part strength improvement in polymer shape deposition manufacturing, Medial Axis Transform (MAT) of general 2D shapes and 3D polyhedra for engineering applications. The focus was on the development solid-state lithium-ion batteries, which are generally . Cha, S. W., Lee, S. J., Park, Y. I., Prinz, F. B. 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. The ALD process can be used to cover high-aspect-ratio nanostructures, as demonstrated by the uniform coating of a Si nanowire array with a single layer of PbS quantum dots. 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. 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. Interlayering 17.5 nm of Yttria-doped ceria (YDC) thin films between bulk yttria-stabilized-zirconia electrolyte and a porous Pt cathode enhanced the performance of low-temperature solid oxide fuel cells. Solid Oxide Fuel Cells with Atomic Layer Deposited Platinum Catalyst, Geometric Effects at Triple Phase Boundary in Solid Oxide Fuel Cells. To increase the electrochemically active surface area, yttria-stabilized zirconia membranes with thickness of 70 nm were deposited onto prepatterned silicon substrates. Privacy Policy | Terms of Use 2022 QuantumScape Corporation1730 Technology Drive, San Jose, CA 95110info@quantumscape.com. On the other hand, for samples with strip-and disk-shaped surface potential inhomogeneities, we have obtained quantitative expressions for the detectability size requirements as a function of experimental conditions for both AM-and FM-EFMs, which suggest that a larger tip radius of curvature is moderately favored for detecting the presence of such inhomogeneities. A strong correlation between such tunable material properties and hydrogen evolution reaction activity is established. Fuel cell performance of the corrugated electrolyte membranes released from silicon substrate showed an increase of power density relative to membranes with planar electrolytes. 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. Atomic Layer Deposition of Undoped TiO2 Exhibiting p-Type Conductivity. Gurumoorthy, B., Kirchner, H. O., Prinz, F. B., Sinclair, G. B. We used atomic force microscopy as a tool to determine stem cell stiffness, and hence differences in material properties between cells. 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. 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. Approaching the limits of dielectric breakdown for SiO2 films deposited by plasma-enhanced atomic layer deposition. Live from New York, is focused on bringing you. First, defect energetics are studied to demonstrate that nitrogen doping at high doses likely causes agglomerated nitrogenous defect clusters, and irradiation with Ar ions creates vacancies that agglomerate in vacancy clusters. Dadlani, A. L., Schindler, P., Logar, M., Walch, S. P., Prinz, F. B. To more efficiently use the solar energy harvested by photosynthetic organisms, we evaluated the feasibility of generating bioelectricity by directly extracting electrons from the photosynthetic electron transport chain before they are used to fix CO(2) into sugars and polysaccharides. Does integrated-circuit fabrication show the path for the future of mechanical manufacturing? 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. It was recently worth about $4 billion. 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. Kim, Y. High-performance ultrathin solid oxide fuel cells for low-temperature operation. 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. 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. Bae, J., Hong, S., Koo, B., An, J., Prinz, F. B., Kim, Y. in Physics, a M.S. The Air/Platinum/Nafion triple-phase boundary: Characteristics, scaling, and implications for fuel cells, Ion irradiation effects in solid oxide fuel cell electrolytes. 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. 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. View details for DOI 10.1007/s10544-007-9097-8, View details for Web of Science ID 000250462200009, View details for DOI 10.1016/j.ssi.2007.01).008, View details for Web of Science ID 000251694300003. Lee, W., Dasgupta, N. P., Trejo, O., Lee, J., Hwang, J., Usui, T., Prinz, F. B. In addition, AFM lithography was employed to create nanoscale PbS patterns. Design and fabrication of a micro fuel cell array with "flip-flop" interconnection. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. Engineering model of a passive planar air breathing fuel cell cathode. Atomic Layer Deposition of Lead Sulfide Quantum Dots on Nanowire Surfaces. Bai, S., Ryu, W., Fasching, R. J., Grossman, A. R., Prinz, F. B. Cup-shaped yttria-doped barium zirconate membrane fuel cell array, Improved Solid Oxide Fuel Cell Performance with Nanostructured Electrolytes, Nonprecious Metal Catalysts for Low Temperature Solid Oxide Fuel Cells, Enhancing Oxide Ion Incorporation Kinetics by Nanoscale Yttria-Doped Ceria interlayers, Crater patterned 3-D proton conducting ceramic fuel cell architecture with ultra thin Y:BaZrO3 electrolyte. Because noble metal catalysts (e.g. Shim, J. H., Kang, S., Cha, S., Lee, W., Kim, Y. 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. B., Park, J. S., Guer, T. M., Prinz, F. B., Chao, C., An, J. 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. Highly oriented pyrolytic graphite (HOPG) implanted with N, Ar and B is studied as a support for platinum nanoparticle catalysts for fuel cells. Fasching, R. J., Bai, S., Fabian, T., Prinz, F. B. Thin-film solid oxide fuel cells on porous nickel substrates with multistage nanohole array. Previous studies of osteogenic potential in ASCs have focused on chemicals, growth factors, and mechanical stimuli. Were on a mission to revolutionize energy storage and power a decarbonized future, and were starting with transportation. The company was formed to address the most prevalent issue in the EV space, battery . An Image-Based Localization Algorithm for Catheter Navigation in the Left Atrium. Torgersen, J., Acharya, S., Dadlani, A. L., Petousis, I., Kim, Y., Trejo, O., Nordlund, D., Prinz, F. B. Oscillatory barrier-assisted Langmuir-Blodgett deposition of large-scale quantum dot monolayers. 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 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. 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. The devices were constructed by micro-molding and thermal assembly of 85/15 poly(L-lactide-co-glycolide) sheets. 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. Jung, H. J., Dasgupta, N. P., Van Stockum, P. B., Koh, A. L., Sinclair, R., Prinz, F. B. Pornprasertsuk, R., Cheng, J., Huang, H., Prinz, F. B. Effect of Cation Non-Stoichiometry and Crystallinity on the Ionic Conductivity of Atomic Layer Deposited Y:BaZrO3 Films. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. Hartmann, K., Krishnan, R., Merz, R., Neplotnik, G., Prinz, F., Schultz, L. Creating an Advanced Collaborative Open Resource Network. 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. 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. 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. 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. It is illegal for insiders to make trades in their companies based on specific, non-public information. The shares were sold at an average price of $13.30, for a transaction totalling $3,595,003.30. B., Park, J. S., Gr, T., Kang, S. K., Prinz, F. B. A microfabricated direct methanol fuel cell with integrated electroosmotic pump. An, J., Kim, Y., Park, J., Gur, Turgut, M., Prinz, Fritz, B. Park, J. S., Kim, Y. 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. Crawford, W. S., Cappelli, M. A., Prinz, F. B. Walch, S. P., Komadina, J. D., Prinz, F. B. Mr. Hettrich is QuantumScapes Chief Financial Officer. View details for Web of Science ID 000317317500017. 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. QuantumScape Gender Male Prof. Fritz Prinz is the Chairman of Mechanical Engineering at Stanford University. QuantumScape was worth $54 billion on the stock market shortly after it went public in 2020. QuantumScape was established in 2010, the main founders are Jagdeep Singh Tim Holme and Fritz Prinz. Komadina, J., Walch, S., Fasching, R., Grossman, 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. QuantumScape Corporation is a U.S.-based technology development company focused on solid-state technology for the EV industry. For more information, please visit www.quantumscape.com . 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. High aspect ratio and high breakdown strength metal-oxide capacitors. 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. The addition of the 1 nm film led to an increase of the maximum power density of a low-temperature solid oxide fuel cell (LT-SOFC) by a factor of 1.50 at 400 degrees C. The enhanced performance can be attributed to an increased oxide ion incorporation rate on the surface of the modified electrolyte. What is QuantumScape? View details for Web of Science ID 000258440700030, View details for Web of Science ID 000256854800020, View details for Web of Science ID 000257231200066, View details for DOI 10.1016/j.snb.2007.07.143, View details for Web of Science ID 000254681900037, View details for DOI 10.1007/s12195-008-0010-1, View details for Web of Science ID 000269821600014. A low temperature micro solid oxide fuel cell with corrugated electrolyte membrane was developed and tested. 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]. The results demonstrate that electrolyte surface engineering with ALD can have a meaningful impact on the performance of electrochemical devices. Direct Extraction of Photosynthetic Electrons from Single Algal Cells by Nanoprobing System. In 2018, Volkswagen invested $100 million in the company, becoming the largest shareholder. 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. Saha, M., Latombe, J. C., Chang, Y. C., Prinz, F. Predicting ionic conductivity of solid oxide fuel cell electrolyte from first principles. 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. 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. The release of bFGF was regulated at 40 ng/day for four weeks; bioactivity was assessed by monitoring the growth of 3T3 fibroblasts. QuantumScape Corporation (NYSE: QS) has appointed three new members to its board of directors: Jeneanne Hanley, former senior vice president at Lear C . QuantumScape is a leader in developing next-generation solid-state lithium-metal batteries for electric vehicles. In the case of tmhd and Cp precursors, the energy required to break bonds in the precursor ligand was studied to evaluate the most likely mechanism of carbon incorporation into the film. Rapid and Controllable Flame Reduction of TiO2 Nanowires for Enhanced Solar Water-Splitting. Kim, Y. Application of the Mold SDM process to the fabrication of ceramic parts for a micro gas turbine engine. Stampfl, J., Liu, H. C., Nam, S. W., Kang, S., Prinz, F. B. Shim, J. H., Park, J. S., An, J., Guer, T. M., Kang, S., Prinz, F. B. Conventional photolithography was used to create oxide patterns on which ODTS SAMs were selectively grown. 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. 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. Solid oxide fuel cell with corrugated thin film electrolyte. 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. Specifically, quantum confinement effects on the band gap of PbS quantum wells were explored by controlling the PbS film thickness and potential barrier height. QuantumScape was formed in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz from Stanford University. 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.