asteroza + hydrogen   218

Hyundai Motor Company Reveals Commercial Truck Mobility Vision at NACV Show - Hyundai Newsroom
This is kinda stylish, though the euro boxcab lineage advantage gets lost due to fuel cell hydrogen tankage. Daimler recently said their going all EV and hydrogen on their trucks, no LNG, so maybe everyone is following the footsteps of the Nikola One?
Hyundai  fuecell  electric  EV  truck  semi  tractor  hydrogen  vehicle  transportation  cargo 
6 weeks ago by asteroza
.: Energy Observer :.
Interesting ship design, but the hydrogen production is rather energy intensive, limiting usability. Of note, they removed the VAWT's (and probably the traction kite sail) and have wingsails now, along with boosted solar PV cells.
hydrogen  yacht  boat  ship  marine  engineering  wing  sail  catamaran  sailing 
9 weeks ago by asteroza
Fossil-free Steel - Hybrit
All hydrogen reducing steel manufacturing, rather than using carbon/coke. Energy intensive (when taking hydrogen production by electrolysis into account) but "green" (I suppose that includes induction based furnaces). Not actually new per se, just not at industrial levels
steel  manufacturing  materials  science  research  technology  hydrogen  reduction  metallurgy 
12 weeks ago by asteroza
NASA funds aviation research on a new fuel concept - Illinois Engineering
Uh, LH2 is frankly a dead end for most aviation applications, baring forever flying HAPS HALE UAV. If cryogenic fuels are gonna be done, it will likely be methane.
cryogenic  liquid  hydrogen  fuelcell  power  generator  electric  airplane  aircraft  NASA  research  technology 
may 2019 by asteroza
Concentrated Solar Photovoltaics provide both electricity and heat.
Last pic has a split hybrid CSP system, with visible spectrum PV with an IR reflector, feeding IR to a fiber line for use elsewhere in a high temp electrolysis cell.
hybrid  CSP  PV  thermal  IR  fiber  optic  transfer  power  generator  solar  high  temperature  electrolysis  hydrogen  gas  production  syngas  CO2  cracking 
march 2019 by asteroza
Meet the "Nimble Sparrow-H"
Looks like Boeing's strut braced wing concept...
china  general  aviation  research  technology  strut  braced  wing  hydrogen  green 
march 2019 by asteroza
Plasmonic p–n Junction for Infrared Light to Chemical Energy Conversion - Journal of the American Chemical Society (ACS Publications)
Making hydrogen gas with IR light. Though one wonders where direct conversion with this photocatalyst is better than using a frequency converter intermediary and a different photocatlyst...
japa  hydrogen  production  materials  science  research  technology  IR  cadmium  copper  sulfide  photocatalyst  heterostructure  nanocrystal  surface  plasmon  solar  fuel 
march 2019 by asteroza
Joi Scientific: Clean, affordable hydrogen energy
Some sort of non-electrolysis based hydrogen production from seawater. New Brunswick Power in Canada is apparently partnering with them to produce hydrogen for energy storage (grid storage? peak shaving? renewable energy sink?). But, it looks like they had fundamental errors in the efficiency measurements, so it now looks like a dud...
hydrogen  gas  production  research  technology 
march 2019 by asteroza
Mitsubishi Estate Invests in 'New Hydrogen Energy' Startup - News - Solar Power Plant Business
Wait a sec, nuclear transformation via transmutation to produce hydrogen? Like the hydrino thing? As in LENR?
japan  LENR  nuclear  hydrogen  production 
february 2019 by asteroza
Efficient CO2 Utilization via a Hybrid Na-CO2 System Based on CO2 Dissolution - ScienceDirect
Converts CO2 to hydrogen and baking soda via electrolytic cell and aqueous solution. Dependent on the aqueous solution though, where does that come from, how hard is it to regenerate, etc. Makes power too
CCS  CO2  carbon  capture  baking  soda  hydrogen  gas  production  power  generator  electrolytic  cell  sodium  ionic  conductor  NASICON  separator  membrane  chemistry 
february 2019 by asteroza
Coming Soon
Uses a closed loop ICE of sorts, using input hydrogen/methane and oxygen along with working fluid argon. Burn in a piston, condense out the water, membrane filter the CO2, and recycle the argon back to the cylinder.
argon  power  cycle  alternative  working  fluid  closed  loop  recycling  ICE  engine  generator  hydrogen  methane  oxygen  oxyfuel 
october 2018 by asteroza
CSIRO tech accelerates hydrogen vehicle future - CSIRO
New membrane for extracting hydrogen from ammonia, which allows a hydrogen logistics train where hydrogen is made/stored as ammonia, bulk transport is done as liquid ammonia, and converted back to hydrogen at a local fill station for local storage in a high pressure tank, for eventual use in fuel cell vehicles.
CSIRO  ammonia  hydrogen  gas  production  membrane  materials  science  research  technology  transportation  fuel  logistics  fuelcell 
august 2018 by asteroza
RotoLyzer | RotoBoost
Some kind of mechanism to rotate the electrodes in an electrolyzer to increase reaction rates? Or increase density gradient against the electrode to make gas separation easier/faster?
RotoLyzer  rotating  alkaline  water  electrolyzer  electrolysis  hydrogen  gas  production 
march 2018 by asteroza
Technical feasibility of a proton battery with an activated carbon electrode
Appears to use an activated carbon electrode as a hydrogen store, paired with a reversible fuel cell, to make a complete proton battery
solid  state  hydrogen  storage  porous  activated  carbon  phenolic  resin  electrode  reversible  fuelcell  proton  battery  energy  materials  science  research  technology 
march 2018 by asteroza
Power-to-Gas
EU/german work on shifting excess renewable energy to hydrogen cracking and synthetic methane production to supplement current nautral gas networks (and use them effectively as a national storage buffer)
power-to-gas  synfuel  methane  synthesis  production  energy  storage  hydrogen  electrolysis 
march 2018 by asteroza
Floating membraneless PV-electrolyzer based on buoyancy-driven product separation
Using asymmetrically catalyst coated mesh mebranes at small separation distances, vertically hanging mesh electrodes can perform electrolysis without a membrane and get good product separation, using natural gas buoyancy. Though this skews to tall rigs.
membraneless  asymetric  coated  electrode  mesh  water  electrolysis  electrolyzer  hydrogen  gas  production  materials  science  research  technology 
december 2017 by asteroza
GERA Technical Papers | GERA.co
Nuclear piston engine, using gaseous "fuel" and hydrogen gas moderator, with neutron reflector piston and cylinder. Uses piston top-dead-center compression effects and a "spark" (external neutron source, like an ADSR particle accelerator neutron spallation target, or some sort of cylinder wall embedded neutron source). Wonder if LiquidPiston reverse wankel would also work well here. Negative void coefficient is nice too.
nuclear  nanofuel  internal  engine  piston  reciprocating  plutonium  hexaflouride  hydrogen  gas  otto  cycle  wankel  rotary  power  generator  external  neutron  source  spark  ignition  ADSR  gaseous  pulse  pulsed  core 
june 2017 by asteroza
Harvesting Hydrogen Gas from Air Pollutants with an Unbiased Gas Phase Photoelec...
Uses light, air, and organic pollutants to create hydrogen gas and clean the air apparently. Works better without oxygen, but does work with ambient air and light only.
photoelectrochemical  cell  titanium  oxide  photoanode  hydrogen  gas  production  light  solar  green  energy  air  pollution  synfuel  Delicious 
may 2017 by asteroza
Low cost plasma membrane reactor to efficiently convert ammonia to hydrogen
Using a plasma field between an iron tube and palladium foil tube, ammonia can be broken down to nitrogen and hydrogen, with the hydrogen pulled through the palladium foil efficiently, resulting in very high hydrogen gas purity separation. Process is low temperature and pressure as well, though the palladium foil probably isn't cheap. Effectively an ammonia fuel reformer for a hydrogen fuel cell, allowing storage of low pressure ammonia as fuel.
hydrogen  gas  production  ammonia  converter  plasma  palladium  membrane  reactor  materials  science  research  technology  separator  separation  reformer  fuelcell  low  temperature  pressure  Delicious 
april 2017 by asteroza
Comprehensive Analysis of Sorption Enhanced Steam Methane Reforming in a Variabl...
Basically used a 4 stroke engine, separation membranes, and a sorbent bed to crack/reform methane into hydrogen and CO2
steam  methane  reformer  hydrogen  production  research  technology  Delicious 
february 2017 by asteroza
.: Energy Observer :.
Traction kite propulsion included, wonder if it's SkySails...
france  solar  hydrogen  ship  boat  yacht  vehicle  transportation  electric  traction  kite  sail  marine  engineering  propulsion  Delicious 
february 2017 by asteroza
KIT - KIT - Media - Press Releases - PI 2015 - Crack it! Energy from a Fossil Fuel without carbon di-oxide
Hrm, I suppose if you had a handy methane source and a heat source (1200 C?!?), this is interesting (GenIV nuclear reactor maybe), but probably the more interesting aspect is the pure carbon powder byproduct, suitable for making carbon fiber and similar. I suppose if you wanted to make graphene, using natural gas from town as both an energy source and a carbon source for production might be a good match...
hydrogen  gas  production  research  technology  liquid  metal  tin  column  methane  cracking  carbon  powder  Delicious 
december 2015 by asteroza
Low Cost Titanium Powder Production
Using a fluidized bed with arc jets to use atomic hydrogen to process titanium tetrachloride into titanium powder directly, cheaper than the Kroll process.
MAFBR  fluidized  bed  arc  reactor  titanium  tetrachloride  metal  chloride  powder  production  processing  materials  science  research  technology  atomic  hydrogen  reaction  Delicious 
february 2015 by asteroza
Catalytically active Au-O(OH)x- species stabilized by alkali ions on zeolites and mesoporous oxides
single atom gold particles supported by alkali ions seem to work pretty well as a active catalyst site for a water-gas shift reaction, making hydrogen production cheaper/easier
gold  water  gas  shift  reaction  catalyst  hydrogen  production  materials  science  chemistry  research  technology  Delicious 
january 2015 by asteroza
Toyota Opens the Door and Invites the Industry to the Hydrogen Future | Corporate
Toyota is effectively making their fuel cell and related hydrogen gas patents effectively royalty free. Sorta like Tesla and their EV patents, but Toyota is capping it until 2020, which seems like a cheap shot..
toyota  fuelcell  hydrogen  patent  Delicious 
january 2015 by asteroza
Proton transport through one-atom-thick crystals : Nature : Nature Publishing Group
Interesting filtering trick, to sieve out cracked hydrogen ions. May be useful for fuelcell fuel production and avoiding fuel poisoning.
graphene  hydrogen  ion  sieve  filter  proton  transport  boron  nitride  materials  science  research  technology  nanotechnology  gas  production  Delicious 
january 2015 by asteroza
CLOSING THE CARBON CYCLE: sunfire GmbH
Apparently they have a good high temperature steam electrolysis SOEC that can produce hydrogen at decent efficiencies, for feeding into a RWGS conversion reactor syngas production rig, to eventually produce synthetic methane (combining syngas from the reactor with additional H2 from the SOEC), or eventually via FT, synthetic liquid fuels. They don't seem to be doing a coelectrolysis SOEC to crack steam and CO2 simultaneously in the same cell stack though.
SOEC  solid  oxide  electrolysis  cell  high  temperature  water  H2O  steam  CO2  syngas  production  synfuel  synthetic  fuel  methane  CH4  liquid  GTL  hydrogen  Delicious 
november 2014 by asteroza
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