Previous studies of osteogenic potential in ASCs have focused on chemicals, growth factors, and mechanical stimuli. Indeed, grain boundary engineering can alter transport and kinetic properties by several orders of magnitude. QuantumScape is a leader in developing next-generation solid-state lithium-metal batteries for electric vehicles. Ryu, W., H., Prinz, F., B., Greco, R., S., Fasching, R. Nanofabrication of electrochemical planar probes for single cell analysis, Thin-film SOFCs using gastight YSZ thin films on nanoporous substrates. Enhanced Step Coverage of TiO2 Deposited on High Aspect Ratio Surfaces by Plasma-Enhanced Atomic Layer Deposition. 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. Kao, J. H., HEMMERLE, J. S., Prinz, F. B. Entwicklung elektrochemischer Dnnschicht CO2-Sensoren, Grundlagen und Technologie elektronischer Bauelemente. Caution and Patience Are Needed for QuantumScape - Insider The proposed devices consist of three functional layers: diffusion control layer via micro-orifices, diffusion layer, and drug reservoir layers. This is made possible by nanostructuring of the ultrathin (60 nm) electrolyte interposed with a nanogranular catalytic interlayer at the cathode/electrolyte interface. 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. Park, J. S., Kim, Y. Langston, M. C., Dasgupta, N. P., Jung, H. J., Logar, M., Huang, Y., Sinclair, R., Prinz, F. B. Thickness effects of yttria-doped ceria interlayers on solid oxide fuel cells, Nickel Silicide Nanowire Arrays for Anti-Reflective Electrodes in Photovoltaics. QuantumScape was founded in 2010, with the goal to create a solid-state lithium battery. Pornprasertsuk, R., Ramanarayanan, P., Musgrave, C. B., Prinz, F. B. Cantilever tip probe arrays for simultaneous SECM and AFM analysis, Rapid prototyping methods of silicon carbide micro heat exchangers. Fasching, R. J., Bai, S., Fabian, T., Prinz, F. B. Thin-film solid oxide fuel cells on porous nickel substrates with multistage nanohole array. Lee, W., Jung, H. J., Lee, M. H., Kim, Y., Park, J. S., Sinclair, R., Prinz, F. B. Nanoscale membrane electrolyte array for solid oxide fuel cells, Enhanced oxygen exchange and incorporation at surface grain boundaries on an oxide ion conductor. Kim, Y. 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. A microfabricated direct methanol fuel cell with integrated electroosmotic pump. Jiang, X., Guer, T. M., Prinz, F. B., Bent, S. F. Silicon-based Thin Film Solid Oxide Fuel Cell Array, Proton Conductivity Studies of Y-Doped Barium Zirconate: Theoretical and Experimental Approaches. A micro-fabrication technology was used to shape an array of micro-orifices and micro-cavities in 85/15PLGA layers. Prinz, F., B., Fasching, R., Aschauer, E., Jobst, G., Moser, I., Urban, G. Processing, Thermal and Mechanical Issues in Shape Deposition Manufacturing. We found that oxygen column intensity is governed primarily by column occupancy rather than by static displacement of oxygen atoms. An, J., Usui, T., Logar, M., Park, J., Thian, D., Kim, S., Kim, K., Prinz, F. B. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. Prof. Fritz Prinz, co-founder of . Sol-flame synthesis of cobalt-doped TiO2 nanowires with enhanced electrocatalytic activity for oxygen evolution reaction. 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. An, J., Kim, Y., Park, J., Gur, Turgut, M., Prinz, Fritz, B. Structural and compositional analysis of solid oxide fuel cell electrolytes using transmission electron microscopy. 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]. 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. PDF December, 2020 Originally Published: December 8, 2020 - QuantumScape Stream Pietro Mascagni - L'Amico Fritz, piano - Oliveira - Titinger - Lago - So Paulo - 2016 by Jorge Coli on desktop and mobile. Stampfl, J., Leitgeb, R., Cheng, Y., L., Prinz, F., B. For a sample with a surface potential discontinuity, the FM-EFM resolution expression agrees with the literature; however, the simulation for AM-EFM suggests the existence of an optimal tip radius of curvature in terms of resolution. Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. It was recently worth about $4 billion. QS | QuantumScape Corp. Cl A Stock Overview (U.S.: NYSE) | Barron's Active water management for proton exchange membrane fuel cells using an integrated electroosmotic pump. Komadina, J., Walch, S., Fasching, R., Grossman, A., Prinz, F. B. See the full leadership team at Craft. Kirchner, H. O., Gurumoorthy, B., Prinz, F. B. Here, we present a controllable and reliable method, which combines versatile solution phase chemistry and rapid flame annealing process (sol-flame), to dope TiO2 NWs with cobalt (Co). Does integrated-circuit fabrication show the path for the future of mechanical manufacturing? 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. in Mechanical Engineering, and a Ph.D. in Mechanical Engineering from Stanford University. Tim Holme | ENERGY - Stanford University Mr. Hettrich has served as QuantumScapes Chief Financial Officer and head of Business Operations since September 2018. B., Park, J. S., Gr, T., Kang, S. K., Prinz, F. B. An, J., Kim, Y., Gr, T. M., Prinz, F. B. This enhancement of OER activity for TiO2:Co NWs is attributed to both improved surface charge transfer kinetics and increased bulk conductivity. Through a combination of analyses and experiments, we provide evidence that this behavior is primarily due to an excess of oxygen in the films. Effects of Ion Irradiation on the Performance of Solid Oxide Fuel Cells. View details for Web of Science ID 000317317500017. Local accumulation and dissipation of charges on the surface of oxide ion conductors resulting from electric potentials were observed with conductive atomic force microscopy (AFM). View details for Web of Science ID 000248758800014, View details for Web of Science ID 000207593906493, View details for Web of Science ID 000207593903638, View details for Web of Science ID 000248073300044, View details for DOI 10.1016/j.jpowsour.2007.01.073, View details for Web of Science ID 000246256300019. Prinz, F., B., Zhou, Y., Holme, T., Berry, J., Ohno, T., Ginley, D. First principles study of doped carbon supports for enhanced platinum catalysts. Shim, J. H., Park, J. S., An, J., Guer, T. M., Kang, S., Prinz, F. B. 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. View details for DOI 10.1016/j.actbio.2011.05.011, View details for Web of Science ID 000294040900009. A strong correlation between such tunable material properties and hydrogen evolution reaction activity is established. Chang, Y. C., Saha, M., Prinz, F., Latombe, J. C., Pinilla, 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. However, three-dimensional (3-D) fabrication of tissue scaffolds containing complex microarchitectures still remains a challenge. EV battery startup QuantumScape starts shipping prototype to automakers, a key milestone, CNBC, Battery Insiders Reflection Batteries, Data & Solid-State, Battery Associates, How VW Can Leap Over Tesla: QuantumScape CEO Interview, E For Electric, SAE Tomorrow Today, Transforming EV Batteries with Solid-State Energy, The New York Times, Advanced E.V. Cermet layers were deposited between the porous Pt cathode and the dense YSZ electrolyte wafer using atomic layer deposition (ALD). Fessler, J., Nickel, A., Link, G., Prinz, F., FUSSELL, P. The Compact Graph Format: An Interchange Standard for Solid Freeform Fabrication. 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)). Link, G. R., Fessler, J., Nickel, A., Prinz, F. Functional gradient metallic prototypes through shape deposition manufacturing. Localized Charge Transfer Reactions near the Pt-YSZ Interfaces using Kelvin Probe Microscopy. Atomic layer deposition of SrO was tested with Sr(tmhd)2 and Sr(PrMe(4)Cp)2 and oxygen, ozone, and water as oxygen sources. We report the use of scanning tunneling spectroscopy (STS) to investigate one-dimensional quantum confinement effects in lead sulfide (PbS) thin films. View details for DOI 10.1016/j.jpowsour.2013.12.001, View details for Web of Science ID 000331160100015. 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. Lithium-ion batteries are at the heart of the next transportation revolution, but in the technologys current form, they fall short of meeting the needs of drivers in key areas like battery life, charging speed and cost. The observed enhancement in cell performance is believed to be due to the increased triple phase boundary (TPB) density in the cermet interlayer. Engineering artificial tissue scaffolds with a similar organization to that of the natural tissue is a key element to the successful recapitulation of function. 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. QuantumScape battery technology could revolutionize the EV market Oxygen diffusion across the grain boundary in bicrystal yttria stabilized zirconia. Our findings show that iPSCs can be derived from human adipose-derived stromal cells (hASCs), a notable advancement in the clinical applicability of these cells. 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. 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. A CAD integration framework for designing devices with atomic scale resolution. Prior to joining QuantumScape, he was a Research Associate at Stanford University from June 2008 to January 2011. Atomic Scale Verification of Oxide-Ion Vacancy Distribution near a Single Grain Boundary in YSZ. Prinz, F., B., Fasching, R., Keplinger, F., Aschauer, E., Urban, G. Miniaturisierte Dnnschicht-Blutgassensoren fr die in vivo und ex vivo Diagnostik. QuantumScape has developed some impressive technology but sustaining the current valuation could prove a challenge too far. Active Water Management for PEM Fuel Cells. However, existing doping methods face the challenge of simultaneous control over the morphology, crystallinity, dopant distribution and concentration at the nanometer scale. We observe a consistent increase in the energy onset of electronic excitations from the lateral center of the dot toward the edges, which we attribute purely to shape. 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. Observing the Nucleation Phase of Atomic Layer Deposition In Situ. Koolwal, A. Cheng, J., Pornprasertsuk, R., Saito, Y., Prinz, F. B. QuantumScape was established in 2010, the main founders are Jagdeep Singh Tim Holme and Fritz Prinz. Influence of the grain size of samaria-doped ceria cathodic interlayer for enhanced surface oxygen kinetics of low-temperature solid oxide fuel cell. Fritz Prinz and the entire QuantumScape team for reaching this . View details for DOI 10.1088/0957-4484/20/44/445706, View details for Web of Science ID 000270562900028. View details for Web of Science ID 000298643100032, View details for DOI 10.1557/mrs.2011.265, View details for Web of Science ID 000299230300018, View details for DOI 10.1016/j.mee.2011.06.003, View details for Web of Science ID 000297400900009, View details for DOI 10.1016/j.ssi.2011.07.004, View details for Web of Science ID 000295892700007. While most local drug delivery devices made of biodegradable polymers relied on the degradation of the polymers, the degradation-based release control is often limited by the property of the polymers. Fritz Prinz owns about 259,302 units of Quantumscape Corp common stock. Amon, C., H., Schmaltz, K., S., Merz, R., Prinz, F., B. Collision avoidance using asynchronous teams. These insights will help design high-efficiency SOFCs that operate at low temperatures with power densities that are of practical significance. Fabrication of Nanotubular Membrane Electrode Assembly for A Solid Oxide Fuel Cell. High-density multi-layer connection technology for MEMS and CMOS applications. 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. 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. Atomic Layer Deposition of Lead Sulfide Quantum Dots on Nanowire Surfaces. . Komadina, J., Kim, Y. 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. B., Barbagli, F., Carlson, C. R., Liang, D. H., Prinz, F. B. Synthesis of Microscale Lead Sulfide Disks by Patterned Self-Assembled Monolayer. Efficiency enhancement of solid-state PbS quantum dot-sensitized solar cells with Al2O3 barrier layer. After a negative bias was applied at the tip, a sequence of surface potential maps appeared compatible with electron injection onto the electrolyte surface. Pt) are one of the main contributors to low-temperature (<500 C) fuel cell costs, significant efforts have been made to lower the noble metal loading in constructing fuel cell electrodes. PbS quantum well structures with a thickness range of 1-20nm were fabricated by atomic layer deposition (ALD). Novel Technologies for the Assembling of ASIC's and MEMS, Current Developments of Microelectronics, Seminar organized by the society for microelectronics. 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. Human fibroblast and hASC stiffness was also ascertained for comparison. Reduction and oxidation of oxide ion conductors with conductive atomic force microscopy, Surface Modification of Yttria-Stabilized Zirconia Electrolyte by Atomic Layer Deposition, Atomic Layer Deposition of Lead Sulfide Thin Films for Quantum Confinement, Intermediate-Temperature Ceramic Fuel Cells with Thin Film Yttrium-Doped Barium Zirconate Electrolytes. 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. 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. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. The key to our technology is a patented solid ceramic electrolyte separator, the material that keeps the anode and cathode from touching and moves lithium ions from one side of the battery to the other during charge and discharge. Utilizing the aberration-corrected TEM capability and HRTEM simulation results, we experimentally verified that oxygen vacancies segregate near the single grain boundary of a YSZ bicrystal. Atomic Layer Deposition of Mixed Conducting Cathodes for Solid Oxide Fuel Cells, Fabrication and Characterization of Lead Sulfide Thin Films by Atomic Layer Deposition". Usui, T., Dasgupta, N. P., Jiang, X., Lee, W., Prinz, F. B. Tim Holme, and Fritz B. Prinz in May 2010 and is . About | QuantumScape Chang, Y. Shape deposition manufacturing with microcasting: Processing, thermal and mechanical issues. Low Temperature Direct Methanol Fuel Cell with YSZ Electrolyte.
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