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. Cha, S. W., O'Hayre, R., Saito, Y., Prinz, F. B. Analytical and experimental study on noncontact sensing with embedded fiber-optic sensors in rotating metal parts, Ionic and electronic impedance imaging using atomic force microscopy, RP of Si3N4 burner arrays via assembly mould SDM. Amon, C. H., Schmaltz, K. S., Merz, R., Prinz, F. B. Laser deposition of metals for shape deposition manufacturing. Residual stresses in layered manufacturing. 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. . A programmable and biodegradable drug delivery device is desirable when a drug needs to be administered locally. The OMFC was further studied using simulation packages for optimal design conditions. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. 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. 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. Direct Extraction of Photosynthetic Electrons from Single Algal Cells by Nanoprobing System. Chang, Y. C., Pinilla, J. M., Kao, J. H., Dong, J., Ramaswami, K., Prinz, F. B. Quantum dots (QDs) allow for manipulation of the position and energy levels of electrons at sub-10 nm length scales through control of material chemistry, size, and shape. 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. We found that 180 cycles or approximately 10 nm of ALD Pt, with a Pt loading of only 0.02 mg cm(-2), were sufficient for the purpose of a catalytic cathode. Prinz, F., B., Aschauer, E., Fasching, R., Varahram, M., Jobst, G., Urban, G. Shape deposition manufacturing of heterogeneous structures. The future is solid. With the aid of micro-fabrication technology, a novel scaffolding method for biodegradable polymers such as polylactic acid (PLA), polyglycolic acid (PGA), and the copolymers poly(lactide-co-glycolide)(PLGA), was developed to construct three-dimensional multi-layer micro-fluidic tissue scaffolds. Prinz, F., B., Fasching, R., Keplinger, F., Kohl, F. Impact of axial and radial rotor offset on the measurtement error of a capacitive angular-position sensor with modofied front-end topology,Instrumentation and Measurement Technology Conference,IMTC/99. A micro-fabrication technology was used to shape an array of micro-orifices and micro-cavities in 85/15PLGA layers. 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. Weiss, L., Prinz, F., Neplotnik, G., Padmanabhan, K., Schultz, L., Merz, R. Miniaturisierte, integrierte Biosensoren fr Glucose- und Lactat - Monitoring. 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. The oxygen evolution of single cells was investigated using a nano-probe with an ultra-micro electrode (UME) in a submicron sized system in combination with a micro-fluidic system. In 2000, he founded a company (listed as Infinera, INFN). View details for DOI 10.1016/j.jpowsour.2013.12.001, View details for Web of Science ID 000331160100015. Cheng, J., Crabb, K., Pornprasertsuk, R., Huang, H., Saito, Y., Prinz, F. Making Photovoltaic Power Competitive with Grid Power. 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. 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. 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. O'Hayre, R., Fabian, T., Litster, S., Prinz, F., B., Santiago, J., G. Biodegradable Micro-Fluidic Sheet-Devices for Programmed Drug Release. in Computer Science from the University of Maryland College Park, an M.B.A. from the University of California, Berkeley, Haas School of Business, and a M.S. Park, J., S., Kang, S., K., Gr, T., M., 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. Kim, Y., Provine, J., Waich, S. P., Park, J., Phuthong, W., Dadlani, A. L., Kim, H., Schindier, P., Kim, K., Prinz, F. B. We also believe that the sustained kinetics for the fully mixed cermet layer sample stems from better thermal stability of Pt islands separated by the ALD YSZ matrix, which helped to maintain the high-density TPBs even at elevated temperature. Dr. Holme is QuantumScapes Chief Technology Officer. 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. A fabricated nanotubular SOFC theoretically attains a 20-fold increase in the effective surface, while projections indicate the possibility of achieving up to 40-fold. Cooper, A. G., Kang, S., Kietzman, J. W., Prinz, F. B., Lombardi, J. L., Weiss, L. E. Fabrication of high quality ceramic parts using mold SDM. A single cell was immobilized in the micro-fluidic system and a nano-probe was inserted into the cytosolic space of the single cell. Approaching the limits of dielectric breakdown for SiO2 films deposited by plasma-enhanced atomic layer deposition. 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. Mr. Hettrich is QuantumScapes Chief Financial Officer. 300 likes. 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. 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. Buie, C. R., Posner, J. D., Fabian, T., Cha, S., Prinz, F. B., Eaton, J. K., Santiago, J. G. A microfabricated intravascular ultrasound scanner for intravascular interventions. Dr. Holme holds a B.S. Prinz, F., B., Petousis, I., Homburg, E., Derks, R., Dietzel, A. Born in Vienna, he has spent many years working on various aspects of e-mobility. Prof. Fritz Prinz, co-founder of . B., Fasching, R., Prinz, F. B. 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. In order to avoid the worst consequences of climate change, we must electrify transportation and turn internal combustion engines into a way of the past. The stiffness differences are not dependent on cell culture density; hence, material differences between cells cannot be attributed solely to cell-cell constraints. Indeed, grain boundary engineering can alter transport and kinetic properties by several orders of magnitude. Huang, H., Holme, Tim, P., Prinz, Fritz, B. However, generally only a small fraction of solar energy absorbed by photosynthetic organisms is converted to a form of energy that can be readily exploited. This system affords easy AFM access and allows for maintenance of the cells in a well-defined chemical environment, which sustains their biological activity. 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. Prinz, F., B., Fasching, R., Aschauer, E., Urban, G. Surface characterization of thin film platinum electrodes applied for biosensors by means of cyclic voltammetry and laser - SNMS. Cooper, A. G., Kang, S., Kietzman, J. W., Prinz, F. B., Lombardi, J. L., Weiss, L. Rapid tooling die cast inserts using shape deposition manufacturing. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. View details for Web of Science ID 000266093700034, View details for Web of Science ID 000268803300024, View details for Web of Science ID 000337731900001, View details for Web of Science ID 000337724700103, View details for Web of Science ID 000337724700111, View details for Web of Science ID 000337731900031, View details for Web of Science ID 000280345900490, View details for Web of Science ID 000265837900031, View details for Web of Science ID 000280345900456, View details for Web of Science ID 000271218900019, View details for Web of Science ID 000270133400050, View details for Web of Science ID 000268405400043, View details for Web of Science ID 000280345900274, View details for DOI 10.1016/j.ssi.2007.12.100, View details for Web of Science ID 000259276200058. Hartmann, K., Krishnan, R., Merz, R., Neplotnik, G., Prinz, F. B., Schultz, L., Terk, M., Weiss, L. E. THERMAL MODELLING AND EXPERIMENTAL TESTING OF MD* SPRAY SHAPE DEPOSITION PROCESSES. Fuel Cells for Intermediate Temperature Operation. Kim, Y., B., Chao, C. -C., Gr, T., M., Prinz, F., B. Its resolution is limited by the finite probe size and the long-range characteristics of electrostatic forces. Design and fabrication of a micro fuel cell array with "flip-flop" interconnection. In: Micro Power Sources. QuantumScape developed the industry's first anode-less cell design, which delivers high energy density while lowering material costs and simplifying manufacturing. 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. High-density multi-layer connection technology for MEMS and CMOS applications. Here we report experimental observation and determination of oxide-ion vacancy concentration near the 13 (510)/[001] symmetric tilt grain-boundary of YSZ bicrystal using aberration-corrected TEM operated under negative spherical aberration coefficient imaging condition. In all respects, the findings agree with experiment. This trend is in qualitative agreement with a simple quantum simulation of the local density of states in a dome-shaped QD. Finally, reaction energetics are calculated for two likely reaction pathways over Pt clusters supported on different HOPG substrates. In the future, arrays of micro-SOFCs with high power density may enable a range of mobile and portable power applications. However, bFGF is degraded quickly in vivo and difficulty of controlling the dose level impedes its effective use in angiogenesis and tissue regeneration. The photocathodic hydrogen evolution reaction (HER) from p-type Si nanowire (NW) arrays was evaluated using platinum deposited by atomic layer deposition (ALD) as a HER cocatalyst. On September 3, 2020, QuantumScape announced an agreement to merge with the blank check special purpose acquisition company (SPAC) company Kensington Capital Acquisition Corp. O'Hayre, R., Fabian, T., Lee, S. J., Prinz, F. B. Medial axis transform assists path planning in configuration spaces with narrow passages. 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. Prinz, F., B., Fasching, R., Kohl, F., Urban, G., Jobst, G., Keplinger, F. NEXT GENERATION MANUFACTURING TASK PLANNER FOR ROBOTIC ARC-WELDING. 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. It is increasingly important to control cell growth into and within artificial scaffolds. 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. 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. Correlation of film density and wet etch rate in hydrofluoric acid of plasma enhanced atomic layer deposited silicon nitride. 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. Electric potentials of NWs at the probe tip can be measured. Dasgupta, N. P., Liu, C., Andrews, S., Prinz, F. B., Yang, P. Three-Dimensional Nanostructured Bilayer Solid Oxide Fuel Cell with 1.3 W/cm(2) at 450 degrees C. An, J., Kim, Y., Park, J., Guer, T. M., Prinz, F. B. Trends for Ba and Sr followed each other closely, reflecting the similar chemistry among alkaline earth metals. Design and tuning of a vacuum microplasma spray system: Particle entrainment. Aberration-Corrected TEM Imaging of Oxygen Occupancy in YSZ. In vivo O-2 measurement inside single photosynthetic cells. Prior to joining QuantumScape, Mr. Hettrich served as a Private Equity Associate of Bain Capital, an investment firm, from September 2007 to July 2009. Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide (Invited). Holme, T. P., Pornprasertsuk, R., Prinz, F. B. 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. 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. From least to most stiff, the order of cell stiffness was as follows: hASC-iPSC, human embryonic stem cell, fibroblast-iPSC, fibroblasts, and, lastly, as the stiffest cell, hASC. Shen, Y., Lee, M., Lee, W., Barnett, D. M., Pinsky, P., Prinz, F. B. Kim, Y. 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. Mr. McCarthy holds a B.A. Plasma-induced crystallization presented in this work may have an immediate impact on fabricating and manufacturing DRAM capacitors due to its simplicity and compatibility with industrial standard thin film processes. Prinz, F., B., Aschauer, E., Fasching, R., Urban, G., Nicolussi, G., Husinsky, W. ROBOT-ASSISTED SHAPE DEPOSITION MANUFACTURING. Shim, J., H., Kim, Y., B., Park, J., S., Prinz, F., B. Elam, J. W., Dasgupta, N. P., Prinz, F. B. Effects of Ion Irradiation on the Performance of Solid Oxide Fuel Cells. Prior to joining QuantumScape, he was the Chief Administrative Officer at Infinera Corporation from April 2003 to March 2013. Conventional photolithography was used to create oxide patterns on which ODTS SAMs were selectively grown. Water management in proton exchange membrane fuel cells using integrated electroosmotic pumping. 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. We were also able to establish that commonly reported artifacts of electric field stimulation are not the primary mediators of the observed effects. Employing 50 Hz direct current electric fields in concert with and without osteogenic factors, we demonstrated increased early osteoblast-specific markers. Here we demonstrate the continuous tuning of layer vertically aligned MoS2 nanofilms through electrochemical intercalation of Li(+) ions. Enhancing Charge Transfer Kinetics by Nanoscale Catalytic Cermet Interlayer. QuantumScape is a leader in developing next-generation solid-state lithium-metal batteries for electric vehicles. 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. Amon, C. H., Beuth, J. L., Weiss, L. E., Merz, R., Prinz, F. B. The method emphasizes micro-fluidic interconnections between layers within the scaffolds and maintenance of high-resolution geometries during the bonding process for the creation of multi-layered scaffolds. 2012 In 2012, QuantumScape began working with German automaker Volkswagen. QuantumScape was founded in 2010 to create a battery that doesnt make compromises and after a decade of hard work, weve built a technology that enables the fast charging, long-lasting and safer batteries required to power zero-emissions transportation. Chao, C., C., Park, J., S., Prinz, F., B. 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). Komadina, J., Kim, Y. 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. Dasgupta, N. P., Neubert, S., Lee, W., Trejo, O., Lee, J., Prinz, F. B. The observed enhancement in cell performance is believed to be due to the increased triple phase boundary (TPB) density in the cermet interlayer. This system was successfully used to measure light-dependent oxidation currents of a few pico-amperes from the green alga Chlamydomonas reinhardtii. Then, the UME was used for an in vivo amperometric experiment at a fixed potential and electrochemical impedance spectroscopy to detect oxygen evolution of the single cell under various light intensities. Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. However, the barrier to electron transfer in the strong coupling limit is computed to be small due to minimal geometry change between oxidized and reduced ferredoxin. For cells with unmixed and fully mixed cermet interlayers, the maximum power density was enhanced by a factor of 1.5 and 1.8 at 400 C, and by 2.3 and 2.7 at 450 C, respectively, when compared to control cells with no cermet interlayer. An, J., Kim, Y. Fabrication of ceramic parts for a miniature jet engine application using Mold SDM. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. Prinz, F., B., Aschauer, E., Fasching, R., Jobst, G., Varahram, M., Svasek, P. Numerical and Experimental Investigation of Interface Bonding Via Substrate Remelting of an Impinging Molten Metal Droplet. 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. Wang, H., Lu, Z., Xu, S., Kong, D., Cha, J. J., Zheng, G., Hsu, P., Yan, K., Bradshaw, D., Prinz, F. B., Cui, Y. Two barrier materials were selected based on barrier height: aluminum oxide as a high barrier material and zinc oxide as a low barrier material. Thus, we have developed an open micro-fluidic channel system (OMFC) in which individual cells can be immobilized in micro-traps by capillary flow. Effect of High Surface Area Pd Electrodes on SOFC Performance at 350 degrees C. Komadina, J., Motoyama, M., Kim, Y. Fuel cell performance of the corrugated electrolyte membranes released from silicon substrate showed an increase of power density relative to membranes with planar electrolytes. Mr. Singh is QuantumScapes Chief Executive Officer and Chairman of the Board of Directors. Mr. Singh co-founded QuantumScape and has served as its Chief Executive Officer since QuantumScapes incorporation in May 2010. Park, Y. I., Saito, Y., Pornprasertsuk, R., Cheng, J., Cha, S. W., Prinz, F. B. Fritz Prinz has not been actively trading shares of QuantumScape during the last ninety days. Dr. Holme has served as QuantumScapes Chief Technology Officer since January 2011. The role of ambient conditions on the performance of a planar, air-breathing hydrogen PEM fuel cell. Were on a mission to revolutionize energy storage and power a decarbonized future, and were starting with transportation. We constructed biodegradable micro-osmotic pumps based on MEMS technology for long-term controlled release of bFGF. This page provides a comprehensive analysis of the known insider trading history of Fritz Prinz. Water Management at the Cathode of a Planar Air-Breathing Fuel Cell with an Electroosmotic Pump. Cai, L., Cho, I. S., Logar, M., Mehta, A., He, J., Lee, C. H., Rao, P. M., Feng, Y., Wilcox, J., Prinz, F. B., Zheng, X. B., Park, J. S., Guer, T. M., Prinz, F. B., Chao, C., An, J. B., Shim, J. H., Guer, T. M., Prinz, F. B. Pt-Ar-HOPG shows slightly enhanced catalytic activity towards oxygen.
