Michael Stadermann
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View article: High-compression implosions based on high density carbon ablator using modified drive and capsule dopant profiles
High-compression implosions based on high density carbon ablator using modified drive and capsule dopant profiles Open
Laser-driven inertial fusion experiments have, for the first time, achieved a target gain greater than unity in a laboratory setting [Abu-Shawareb et al., Phys. Rev. Lett. 132, 065102 (2024)]. Despite this breakthrough, the burn-up fractio…
View article: Thermonuclear performance variability near ignition at the National Ignition Facility
Thermonuclear performance variability near ignition at the National Ignition Facility Open
We describe our current understanding of the variability and degradation mechanisms observed through a series of five indirectly driven inertial fusion implosions fielded at the National Ignition Facility in the fall of 2021, four of which…
View article: Design of first experiment to achieve fusion target gain <b>&gt;</b> 1
Design of first experiment to achieve fusion target gain <b>></b> 1 Open
A decades-long quest to achieve fusion energy target gain and ignition in a controlled laboratory experiment, dating back to 1962, has been realized at the National Ignition Facility (NIF) on December 5, 2022 [Abu-Shawareb et al., Phys. Re…
View article: Modeling ablator defects as a source of mix in high-performance implosions at the National Ignition Facility
Modeling ablator defects as a source of mix in high-performance implosions at the National Ignition Facility Open
Recent indirect drive inertial confinement fusion implosions on the National Ignition Facility (NIF) [Spaeth et al., Fusion Sci. Technol. 69, 25 (2016)] have crossed the threshold of ignition. However, performance has been variable due to …
View article: Flow-through reactor for electrocatalytic reactions
Flow-through reactor for electrocatalytic reactions Open
A flow-through electrolysis cell includes a hierarchical nanoporous metal cathode. A method of reducing CO2 includes flowing the CO2 through the hierarchical nanoporous metal cathode of the flow-through electrolysis cell.
View article: Submarine Infrastructures and the International Legal Framework
Submarine Infrastructures and the International Legal Framework Open
The purpose of this paper is to identify weaknesses in the international framework for the protection of submarine cables beyond the sovereign waters of coastal States. To illustrate this, the paper uses a hypothetical case study of what a…
View article: Observations and properties of the first laboratory fusion experiment to exceed a target gain of unity
Observations and properties of the first laboratory fusion experiment to exceed a target gain of unity Open
An indirect-drive inertial fusion experiment on the National Ignition Facility was driven using 2.05 MJ of laser light at a wavelength of 351 nm and produced 3.1±0.16 MJ of total fusion yield, producing a target gain G=1.5±0.1 exceeding un…
View article: Increased compression in HDC-based ablator implosions using modified drive profile
Increased compression in HDC-based ablator implosions using modified drive profile Open
Compression is an essential component of achieving high gain in inertial confinement fusion. However, increasing compression with crystalline ablator-based implosions had not succeeded up to now, attributed to increased hydrodynamic instab…
View article: High energy/power density nickel oxide/hydroxide materials and nickel cobalt oxide/hydroxide materials and production thereof
High energy/power density nickel oxide/hydroxide materials and nickel cobalt oxide/hydroxide materials and production thereof Open
According to one embodiment, a method includes forming a nickel oxide/hydroxide active film onto a substrate from a solution including a nickelous salt and an electrolyte, where the nickel oxide/hydroxide active film has a physical charact…
View article: Covalent reinforcement of carbon nanotube assemblies
Covalent reinforcement of carbon nanotube assemblies Open
Disclosed here is a method of fabricating a covalently reinforced carbon nanotube (CNT) assembly. The method includes producing a CNT assembly by pulling entangled CNTs from a CNT array fabricated on a substrate, the CNT assembly including…
View article: Legal Considerations on the Protection of Submarine Cables in the International and National Legislative Framework
Legal Considerations on the Protection of Submarine Cables in the International and National Legislative Framework Open
This paper tackles the protection of submarine infrastructures, i.e. submarine cables, through the scope of international legal mechanisms. Military intervention and questions of jurisdiction under the law of the sea will be addressed. Fur…
View article: Large scale synthesis of resorcinol-formaldehyde aerogel
Large scale synthesis of resorcinol-formaldehyde aerogel Open
A product includes an aerogel having a single bulk structure, the single bulk structure having at least one dimension greater than 10 millimeters. The single bulk structure includes a plurality of pores, where each pore has a largest diame…
View article: Multiple pulse charge transfer for capacitive deionization of a fluid
Multiple pulse charge transfer for capacitive deionization of a fluid Open
The present disclosure relates to a capacitive deionization system which makes use of a controller, a first capacitor acting as a first electrode, a second capacitor acting as a second electrode, and a first inductor for storing energy rec…
View article: Liquid-free, polymeric reinforcement of nanoscale assemblies
Liquid-free, polymeric reinforcement of nanoscale assemblies Open
Provided herein is a nanoscale material assembly made up of a plurality of nanoscale structures with a crosslinked polymer thermally deposited on the structures. Also disclosed are methods for preparing the nanoscale material assembly with…
View article: Flow-through electrode capacitive deionization cell
Flow-through electrode capacitive deionization cell Open
Disclosed here is a capacitive deionization device for removing ions from a target solution. The capacitive deionization device includes a first porous electrode, a second porous electrode, a first header plate, a second header plate, and …
View article: System and method for high efficiency electrochemical desalination
System and method for high efficiency electrochemical desalination Open
The present disclosure relates to a capacitive deionization (CDI) system for desalinating salt water. The system may have a capacitor formed by spaced apart first and second electrodes, which enable a fluid flow containing salt water to pa…
View article: Monolithic three-dimensional electrochemical energy storage system on aerogel or nanotube scaffold
Monolithic three-dimensional electrochemical energy storage system on aerogel or nanotube scaffold Open
A monolithic three-dimensional electrochemical energy storage system is provided on an aerogel or nanotube scaffold. An anode, separator, cathode, and cathodic current collector are deposited on the aerogel or nanotube scaffold.
View article: System and method for using ultramicroporous carbon for the selective removal of nitrate with capacitive deionization
System and method for using ultramicroporous carbon for the selective removal of nitrate with capacitive deionization Open
The present disclosure relates to a flow through electrode, capacitive deionization (FTE-CDI) system which is able to adsorb nitrates from water being treated using the system. The system makes use of a pair of electrodes arranged generall…
View article: Phased charging and discharging in capacitive desalinatio
Phased charging and discharging in capacitive desalinatio Open
A system combines complete, ultra-thin cells into a monolithic and robust framework necessary for desalination applications which yields orders of magnitude faster desalination. The electrode pairs are located so that a flow of feed water …
View article: Preparation of large ultrathin free-standing polymer films
Preparation of large ultrathin free-standing polymer films Open
A method of making large ultrathin free-standing polymer films without use of a sacrificial layer includes the steps of providing a substrate, applying a polyelectrolyte material to said substrate, applying a polymer material onto said sub…
View article: Capacitive deionization charge transfer from one capacitor simultaneously to multiple capacitors
Capacitive deionization charge transfer from one capacitor simultaneously to multiple capacitors Open
An energy transfer system is disclosed which has a controller, a first capacitor acting as a first electrode, a second capacitor acting as a second electrode, a first inductor for storing energy received from the first capacitor, and trans…
View article: Systems and methods for electrical energy storage
Systems and methods for electrical energy storage Open
The present disclosure relates to an electrical energy storage apparatus which forms an interpenetrating, three dimensional structure. The structure may have a first non-planar channel filled with an anode material to form an anode, and a …
View article: Ultrathin graphene/polymer laminate films
Ultrathin graphene/polymer laminate films Open
According to one embodiment, a product includes a composite film comprising a polymer layer directly adjacent a graphene layer. According to another embodiment, a process includes layering a graphene layer onto a polymer layer to form a co…
View article: Ion conductive inks and solutions for additive manufacturing of lithium microbatteries
Ion conductive inks and solutions for additive manufacturing of lithium microbatteries Open
A separator made of ion conductive ink is produced by additive manufacturing. A micro-battery is produced with the separator made of ion conductive ink located between the battery's anode and cathode. The separator functions to keep the an…
View article: Porous substrates filled with nanomaterials
Porous substrates filled with nanomaterials Open
A composition comprising: at least one porous carbon monolith, such as a carbon aerogel, comprising internal pores, and at least one nanomaterial, such as carbon nanotubes, disposed uniformly throughout the internal pores. The nanomaterial…
View article: High temperature oxygen treated carbon aerogels
High temperature oxygen treated carbon aerogels Open
Disclosed here is a method for increasing the hydrophilicity of a carbon aerogel, comprising heating the carbon aerogels under air or a gas having a higher concentration of oxygen than air at a temperature of about 200.degree.-500.degree. …
View article: Lipid nanotube or nanowire sensor
Lipid nanotube or nanowire sensor Open
A sensor apparatus comprising a nanotube or nanowire, a lipid bilayer around the nanotube or nanowire, and a sensing element connected to the lipid bilayer. Also a biosensor apparatus comprising a gate electrode; a source electrode; a drai…
View article: Legal Challenges for the Law of the Sea and Maritime Law in the Light of Disruptive Technologies – Modular and Autonomous Submarines
Legal Challenges for the Law of the Sea and Maritime Law in the Light of Disruptive Technologies – Modular and Autonomous Submarines Open
The present paper concerns the legal evaluation of technological progress. It assumes that disruptive technologies change the circumstances in which an international treaty was drafted leading to an incompatibility of the current legal fra…