Here we demonstrate the continuous tuning of layer vertically aligned MoS2 nanofilms through electrochemical intercalation of Li(+) ions. Lee, W., Dasgupta, N. P., Jung, H. J., Lee, J., Sinclair, R., Prinz, F. B. View details for Web of Science ID 000276557100007. This high resolution cell seeding method allows accurate manipulation of cell placement in thin layers of biodegradable polymers. Design and fabrication of materials for Laser Shape Deposition Manufacturing, Graph based process planning for Mold Shape Deposition Manufacturing. Jagdeep Singh, Tim Holme and Fritz Prinz, a trio from Stanford University, formed the company in 2010. 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. Kim, Y. B., Shim, J. H., Guer, T. M., Prinz, F. B. Nam, S. W., Stampfl, J., Liu, H. C., Kang, S., Prinz, F. B. 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. 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. 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). Oxygen activation over engineered surface grains on YDC/YSZ interlayered composite electrolyte for LT-SOFC. Design and fabrication of a micro fuel cell array with "flip-flop" interconnection. Liu, H., C., Stampfl, J., Kang, S., Prinz, F., B. Atomic Scale Verification of Oxide-Ion Vacancy Distribution near a Single Grain Boundary in YSZ. A programmable and biodegradable drug delivery device is desirable when a drug needs to be administered locally. Kim, Y. Our innovative battery cell technology can store energy more efficiently and reliably than today's lithium-ion batteries. We used atomic force microscopy as a tool to determine stem cell stiffness, and hence differences in material properties between cells. Human fibroblast and hASC stiffness was also ascertained for comparison. The electric fields caused marked changes in the cytoskeleton. Micro-holes (10-100 microm), micro-channels, and micro-cavities were all created by micro-molding. The reaction mechanism was investigated using density functional theory (DFT), which showed that the initial ALD half-reaction is energetically unfavorable on a methyl-terminated SAM surface. Trejo, O., Roelofs, K. E., Xu, S., Logar, M., Sarangi, R., Nordlund, D., Dadlani, A. L., Kravec, R., Dasgupta, N. P., Bent, S. F., Prinz, F. B. Kim, Y., Provine, J., Waich, S. P., Park, J., Phuthong, W., Dadlani, A. L., Kim, H., Schindier, P., Kim, K., Prinz, F. B. Replacing this century-old technology wont happen overnight, but with the help of our automotive partners, our dedicated team of world-class scientists and engineers is working around the clock to put our breakthrough, solid-state technology on the road as soon as possible. Berkeley and a M.S. The experimental results support the predictions based upon calculations: PrMe(4)Cp and Me(5)Cp precursors are expected to be the best precursors among those studied for Ba and Sr film growth. 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. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. An approach to overcome this sluggish kinetics is by engineering the oxide surface with a lower oxygen incorporation barrier. The company is on a mission to revolutionize energy storage to enable a sustainable future. Fessler, J., Nickel, A., Link, G., Prinz, F., FUSSELL, P. The Compact Graph Format: An Interchange Standard for Solid Freeform Fabrication. Prinz, F., B., Fasching, R., Keplinger, F., Aschauer, E., Urban, G. Miniaturisierte Dnnschicht-Blutgassensoren fr die in vivo und ex vivo Diagnostik. QuantumScape - Governance - Leadership Leadership Executive Management Jagdeep Singh Founder & CEO (Board Chairman) Dr. Tim Holme Founder, Chief Technology Officer Dr. Mohit Singh Chief Development Officer Kevin Hettrich Chief Financial Officer Michael McCarthy Chief Legal Officer and Head of Corporate Development Board of Directors JB Straubel 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. TiO2 homojunction diodes fabricated completely by ALD are developed as a demonstration of the utility of these techniques and shown to exhibit useful rectifying characteristics even with minimal processing refinement. Using such nanofilms after different degree of Li intercalation, we show the significant improvement of the hydrogen evolution reaction activity. Amon, C. H., Schmaltz, K. S., Merz, R., Prinz, F. B. Laser deposition of metals for shape deposition manufacturing. Area-selective atomic layer deposition (ALD) of lead sulfide (PbS) was achieved on octadecyltrichlorosilane (ODTS)-patterned silicon substrates. View details for Web of Science ID 000365533600003, View details for DOI 10.1016/j.jeurceramsoc.2014.05.028, View details for Web of Science ID 000340976200035, View details for Web of Science ID 000344135500003, View details for DOI 10.1103/PhysRevB.90.144202, View details for Web of Science ID 000344008100001, View details for Web of Science ID 000342118500001, View details for DOI 10.1557/mrs.2014.171, View details for Web of Science ID 000341995600014. 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. Enhancing charge transfer kinetics by nanoscale catalytic cermet interlayer. Evidence of Proton Transport in Atomic Layer Deposited Yttria-Stabilized Zirconia Films. B., Jung, H. J., Park, J. S., Cha, S. W., Guer, T. M., Prinz, F. B. Nanoscale impedance and complex properties in energy-related systems. Improving solid oxide fuel cells with yttria-doped ceria interlayers by atomic layer deposition. 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 SrO was tested with Sr(tmhd)2 and Sr(PrMe(4)Cp)2 and oxygen, ozone, and water as oxygen sources. Mr. Hettrich also served as a Business Analyst at McKinsey & Company, a management consulting firm, from September 2004 to July 2007. 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. Atomic Layer Deposition of Al-doped ZnO Films: Effect of Grain Orientation on Conductivity. Lee, S. J., Cha, S. W., O'Hayre, R., Chang-Chien, A., Prinz, F. B. Observing the Nucleation Phase of Atomic Layer Deposition In Situ. in Management from Stanford Graduate School of Business. View details for Web of Science ID 000316846700034. 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. Back in 2010, tech entrepreneur Jagdeep Singh and Stanford professor Fritz Prinz founded QuantumScape. He has a clear opinion about the e-mobility transition. Effects of QD Surface Coverage in Solid-State PbS Quantum Dot-Sensitized Solar Cells. Chao, C., C., Park, J., S., 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. -C., Kao, J. Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. However, three-dimensional (3-D) fabrication of tissue scaffolds containing complex microarchitectures still remains a challenge. Buie, C., R., Posner, J., Fabian, T., Cha, S., W., Kim, D., Prinz, F., B. Micro-structured Biodegradable Polymers Embedded with Cells and Drugs for Tissue Engineering and Drug Delivery. View details for DOI 10.1016/j.actbio.2011.05.011, View details for Web of Science ID 000294040900009. in Computer Science from Stanford University. Direct water removal in gas diffusion layer of porton exchnage membrane fuel cells by a flexible electroosmotic pump. Brad Buss . The focus was on the development solid-state lithium-ion batteries, which are generally . Komadina, J., Kim, Y. In this work, ultra-thin (10 nm) platinum (Pt) cathode/catalyst layers were patterned by atomic layer deposition (ALD) and tested as catalytic electrodes (cathode) for low-temperature solid oxide fuel cells. Previous studies of osteogenic potential in ASCs have focused on chemicals, growth factors, and mechanical stimuli. Microelectromechanical system (MEMS) technology not only provides the possibility of integration of multiple functions but also enables more precise control of dosing of therapeutic agents when the therapeutic window is very limited. In comparing hASC-iPSCs to their origin cell, the hASC, the reprogrammed cell is significantly less stiff, indicating that greater differentiation potentials may correlate with a lower cellular modulus. The OMFC was further studied using simulation packages for optimal design conditions. Dr. Holme has served as QuantumScapes Chief Technology Officer since January 2011. 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. Atomic Layer Deposition of Undoped TiO2 Exhibiting p-Type Conductivity. Kirchner, H. O., Gurumoorthy, B., Prinz, F. B. B., Fasching, R., Prinz, F. B. This result may represent an initial step in generating "high efficiency" bioelectricity by directly harvesting high energy photosynthetic electrons. In this study, we engineered the surface doping concentration of a common oxide electrolyte, yttria-stabilized zirconia (YSZ), with the help of atomic layer deposition (ALD). A single cell was immobilized in the micro-fluidic system and a nano-probe was inserted into the cytosolic space of the single cell. Lee, W., Dasgupta, N. P., Trejo, O., Lee, J., Hwang, J., Usui, T., Prinz, F. B. Finger, S., Stivoric, J., Amon, C., Gursoz, L., Prinz, F., Siewiorek, D., Smailagic, A., Weiss, L. Rapid design and manufacture of wearable computers. Damage in yttria-stabilized zirconia by Xe irradiation measured by X-ray diffraction, The triple phase boundary - A mathematical model and experimental investigations for fuel cells. 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. The ability to intercalate guest species into the van der Waals gap of 2D layered materials affords the opportunity to engineer the electronic structures for a variety of applications. Transmission electron microscope (TEM) observations revealed the optimized number of ALD cycles of Pt for the catalytic electrode, which renders both contiguity and high triple-phase boundary (TPB) density. Galvanotaxis is one predominant result of electric fields on mASCs and it may be exploited to engineer adult stem cell concentrations and locations within implanted grafts or toward sites of wound repair. After a negative bias was applied at the tip, a sequence of surface potential maps appeared compatible with electron injection onto the electrolyte surface. 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. 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)). 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). An, J., Park, J. S., Koh, A. L., Lee, Hark, B., Jung, H. J., Schoonman, J., Prinz, F. B. Atomic Layer Deposition of Platinum Catalysts on Nanowire Surfaces for Photoelectrochemical Water Reduction. Xu, S., Dadlani, A. L., Acharya, S., Schindler, P., Prinz, F. B. Plasma-enhanced atomic layer deposition of BaTiO3. Nickel, A., BARNETT, D., Link, G., Prinz, F. Reducing part: Deformation by inducing phase transformation. 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. Kim, Y. QuantumScape Gender Male Prof. Fritz Prinz is the Chairman of Mechanical Engineering at Stanford University. B., Guer, T. M., Kang, S., Jung, H., Sinclair, R., Prinz, F. B. Since then, it has spent over $300 million on developing its product and manufacturing process to try to . 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. Pornprasertsuk, R., Cheng, J., Huang, H., Prinz, F. B. Dasgupta, N. P., Jung, H. J., Trejo, O., McDowell, M. T., Hryciw, A., Brongersma, M., Sinclair, R., Prinz, F. B. Electrical properties of YSZ thin films deposited on nanoporous substrates. 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. Its resolution is limited by the finite probe size and the long-range characteristics of electrostatic forces. High-performance ultrathin solid oxide fuel cells for low-temperature operation. Iancu, A. T., Logar, M., Park, J., Prinz, F. B.

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