[3] In 2012, QuantumScape began working with German automaker Volkswagen . 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. Huang, H., Nakamura, M., Su, P., Fasching, R., Saito, Y., Prinz, Fritz, B. 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. Mack, J. F., Van Stockum, P. B., Yemane, Y. T., Logar, M., Iwadate, H., Prinz, F. B. 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. Provine, J., Schindler, P., Torgersen, J., Kim, H. J., Karnthaler, H., Prinz, F. B. Quantifying Geometric Strain at the PbS QD-TiO2 Anode Interface and Its Effect on Electronic Structures. Product Solid-state battery Dr. Holme holds a B.S. Bai, S., Fabian, T., Prinz, F. B., Fasching, R. J. Liu, H. C., Tsuru, H., Cooper, A. G., Prinz, F. B. Capacitive sensor for active tip clearance control in a palm-sized gas turbine generator, Gas-tight alumina films on nanoporous substrates through oxidation of sputtered metal films. An, J., Park, J. S., Koh, A. L., Lee, Hark, B., Jung, H. J., Schoonman, J., Prinz, F. B. 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. View details for DOI 10.1016/j.jpowsour.2013.12.001, View details for Web of Science ID 000331160100015. Dasgupta, N. P., Jung, H. J., Trejo, O., McDowell, M. T., Hryciw, A., Brongersma, M., Sinclair, R., Prinz, F. B. Thermal stresses and deposition patterns in layered manufacturing. The calculations attribute the catalytic activity changes primarily to changes in the workfunction and secondarily to the d-band structure of supported Pt particles. Modification of Nafion (R) Using 3-mercaptopropyl Trimethoxysilane. 300 likes. Iancu, A. T., Logar, M., Park, J., Prinz, F. B. A single cell was immobilized in the micro-fluidic system and a nano-probe was inserted into the cytosolic space of the single cell. It is known from optical studies that the bandgap of semiconductor QDs increases as their size decreases due to the narrowing of the quantum confinement potential. Amon, C., H., Merz, R., Prinz, F., B., Schmaltz, K., S. Merz, R., Prinz, F., B., Ramaswami, K., Terk, M., Weiss, L. Two types of electrochemical thin-film pCO2-sensors for in vitro and in vivo applications. Automated planning for material shaping operations in additive/subtractive Solid Freeform Fabrication. Fessler, J., Nickel, A., Link, G., Prinz, F., FUSSELL, P. The Compact Graph Format: An Interchange Standard for Solid Freeform Fabrication. This system was successfully used to measure light-dependent oxidation currents of a few pico-amperes from the green alga Chlamydomonas reinhardtii. However, this AFM-based electrochemical probing still has numerous engineering challenges such as immobilization of the live cells, compatibility of the immobilization procedure with AFM manipulation of the probe, maintenance of biological activity of the cells for an extended time while performing the measurements, and minimization of electrochemical noise. Shen, Y., Lee, M., Lee, W., Barnett, D. M., Pinsky, P., Prinz, F. B. With 400 employees, the company is working on next-generation technologies that will accelerate the adoption of electric vehicles around the world. Kang, S., Stampfl, J., Cooper, A., G., Prinz, F. Mesoscopic Assemblies with SDM Processing. View details for DOI 10.1016/j.actbio.2011.05.011, View details for Web of Science ID 000294040900009. Trends for Ba and Sr followed each other closely, reflecting the similar chemistry among alkaline earth metals. Pt-Ar-HOPG shows slightly enhanced catalytic activity towards oxygen. 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. Enhancing the density of catalytic sites is crucial for improving the performance of energy conversion devices. 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. Shim, J. H., Park, J. S., An, J., Guer, T. M., Kang, S., Prinz, F. B. QuantumScape (ticker: QS) was founded in 2010 by Stanford University scientists Jagdeep Singh, Fritz Prinz and Tim Holme to develop what are known as solid-state batteries for electric. Design of heterogeneous catalysts and the application to the oxygen reduction reaction, Improving PEM fuel cell catalyst activity and durability using nitrogen-doped carbon supports: observations from model Pt/HOPG systems. High aspect ratio and high breakdown strength metal-oxide capacitors. The added YDC interlayer (14.11% doped Y(2)O(3)) was fabricated by atomic layer deposition and reduced the cathode/electrolyte interfacial resistances while increasing the exchange current density j(0) by a factor of 4 at operating temperatures between 300-500 C. QuantumScape Corporation (NYSE: QS) has appointed three new members to its board of directors: Jeneanne Hanley, former senior vice president at Lear C . 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. 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. Cooper, A., G., Kang, S., Stampfl, J., Prinz, F., B. 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. Thus, we have developed an open micro-fluidic channel system (OMFC) in which individual cells can be immobilized in micro-traps by capillary flow. This page provides a comprehensive analysis of the known insider trading history of Fritz Prinz. 2012 In 2012, QuantumScape began working with German automaker Volkswagen. Observing the Nucleation Phase of Atomic Layer Deposition In Situ. Kirchner, H. O., Gurumoorthy, B., Prinz, F. B. Hammerick, K. E., Longaker, M. T., Prinz, F. B. 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. A quantum simulation verified both trends and illustrated the wave function extension effect. The recent technique of transducing key transcription factors into unipotent cells (fibroblasts) to generate pluripotent stem cells (induced pluripotent stem cells [iPSCs]) has significantly changed the stem cell field. 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. The catalytic performance was measured using as little as 1 cycle of Pt ALD, which corresponded to a surface mass loading of 10 ng/cm(2). Enhanced Oxygen Exchange on Surface-Engineered Yttria-Stabilized Zirconia. 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. A customized atomic layer deposition (ALD) reactor was designed with components compatible with hydrogen sulfide (H(2)S) chemistry. 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. Were on a mission to revolutionize energy storage and power a decarbonized future, and were starting with transportation. PbS quantum well structures with a thickness range of 1-20nm were fabricated by atomic layer deposition (ALD). Solid oxide fuel cell with corrugated thin film electrolyte. 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. High performance Bi-layered electrolytes via atomic layer deposition for solid oxide fuel cells. Further extension of these techniques to create a micro-vascular network within or between layers is possible. How QuantumScape CEO's Made Bill Gates an Investor - Business Insider We show significant oxygen deficiency due to segregation of oxide-ion vacancies near the grain-boundary core with half-width < 0.6nm. Before that, she served in several HR leadership roles at Foxconn Interconnect Technology, Inc., a multinational electronics manufacturer, and NUMMI, an automotive manufacturing joint venture between Toyota and General Motors. We were also able to establish that commonly reported artifacts of electric field stimulation are not the primary mediators of the observed effects. The release response to the different micro-geometry was prominent and further analyzed by FEM simulation. Kim, Y. Crawford, W. S., Cappelli, M. A., Prinz, F. B. Atomic Layer Deposition of Lead Sulfide Quantum Dots on Nanowire Surfaces. In: Micro Power Sources. What is. A pencil probe system for electrochemical analysis and modification in nanometer dimensions. 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. O'Hayre, R., Fabian, T., Lee, S. J., Prinz, F. B. Medial axis transform assists path planning in configuration spaces with narrow passages. View details for DOI 10.1016/j.bbrc.2010.05.003, View details for Web of Science ID 000279292800003, View details for DOI 10.1016/j.jpowsour.2009.12.025, View details for Web of Science ID 000275386100039, View details for Web of Science ID 000277635000002, View details for DOI 10.1016/j.jpowsour.2009.12.030, View details for Web of Science ID 000275074200023. High-performance ultrathin solid oxide fuel cells for low-temperature operation. The use of H(2)S in an ALD reactor requires special attention to safety issues due to its highly toxic, flammable, and corrosive nature. Stampfl, J., Leitgeb, R., Cheng, Y. L., Prinz, F. B. mu-Mold Shape Deposition Manufacturing of ceramic parts. 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. The resulting micro-SOFC electrolyte membrane showed a hexagonal-pyramid array nanostructure and achieved a power density of 1.34 W/cm(2) at 500 C. Prior to joining QuantumScape, he was the founder and Chief Executive Officer at Infinera Corporation (NASDAQ: INFN), a telecommunications company, from 2001 to 2009. Shape Deposition Manufacturing of smart metallic structures with embedded sensors, Thermal analysis of new silicon-based substrates. Cell suspensions were passed at a predetermined flow rate through biodegradable polymer layers that contained tapered microholes in a massively parallel process. Fabian, T., O'Hayre, R., Prinz, F. B., Santiago, J. G. AFM/EC nano probing of single cells and organelles. 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. 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. Consequently, PbS thin films were grown selectively only where ODTS was not present, whereas deposition was blocked in regions where ODTS was grown. An, J., Park, J. S., Koh, A. L., Lee, H. B., Jung, H. J., Schoonman, J., Sinclair, R., Gr, T. M., Prinz, F. B. Three-Dimensional Nanostructured Bilayer Solid Oxide Fuel Cell with 1.3 W/cm(2) at 450 C. On optimizing the dopant concentration at the surface of single-crystal YSZ, a 5-fold increase in the oxygen surface exchange coefficient of the electrolyte was observed using isotopic oxygen exchange experiments coupled with secondary ion mass spectrometer measurements. Cheng, Y. L., Stampfl, J., Leitgeb, R., Prinz, F. B. 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. 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. 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. . Mechanical masking of films deposited by atomic layer deposition, Surface-Modified Low-Temperature Solid Oxide Fuel Cell. QuantumScape Gender Male Prof. Fritz Prinz is the Chairman of Mechanical Engineering at Stanford University.
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