asteroza + carbon   389

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 
6 weeks ago by asteroza
Zero emission synfuel from seawater | Brave New Climate
More like ocean CO2 capture, which considering ocean acidification, is probably a not bad idea to pursue...
ocean  seawater  CO2  carbon  capture  CCS  synfuel  production 
december 2018 by asteroza
Contactless steam generation and superheating under one sun illumination | Nature Communications
Okay, it's cheating to say one sun when using a concentrator, but switch from direct contact heat transfer with capillary flow to IR emitter and vapor passthru is interesting
carbon  foam  solar  heat  absorber  IR  thermal  emitter  steam  generator  passive  materials  science  research  technology 
december 2018 by asteroza
Algoland: Biological Solutions to Clean Air and Clean Water |
Interesting projects here. Cynobacteria reactors fed with cement plant CO2 and treated landfill wastewater to make biomass. Another is Actively cultivating small shell mussels/bivalves for ocean algae control and as a another biomass source.
CCS  cynobacteria  carbon  capture  biomass  production  ocean  algae  filtering  mussel 
november 2018 by asteroza
PRIORITY EMBARK E-BIKE – Priority Bicycles
Bosch mid drive, Gates belt drive, Nuvinci CVT, at this price is not shabby
Bosch  middrive  motor  carbon  belt  drive  NuVinci  CVT  electric  bike  bicycle  vehicle  transportation 
november 2018 by asteroza
NASA Awards Contract for Continued Development of Carbon Nanotube Tech | NASA
Covers Miralon demos for

- Miralon as a heat shield for space, aircraft and automotive applications
- Miralon heated furniture and fixtures
- Miralon yarn as a wire for lighting
Miralon  heatshield  wire  CNT  yarn  tape  materials  science  research  technology  NASA  carbon  nanotube 
october 2018 by asteroza
In-Space Manufacturing - Kleos Space S.A.
Some sort of in space 3D printing of carbon fiber composites?
newspace  3D  printing  fabbing  space  structure  carbon  fiber 
october 2018 by asteroza
Uh, CC has twice the tensile strength at 2700K than at room temp?!?
carbon  composite  materials  science  research  technology 
september 2018 by asteroza
In situ tribochemical formation of self-lubricating diamond-like carbon films - ScienceDirect
So rubbing palladium-gold alloys in teh presence of carbon containing stuff makes very slippery diamond-like carbon films without an expensive plasma furnace, and might be suitable for mass production use
palladium  gold  nanoparticle  amorphous  diamond  carbon  film  nanocomposite  lubricant  materials  science  research  technology  tribochemical  production  process 
august 2018 by asteroza
VeloSled cargo bike - the lightest and toughest yet
Sure, the single sidearm is a bit of design wank, but still kinda interesting and looks a bit like a dogsled
cargo  bike  bicycle  Bakfiets  vehicle  transportation  electric  belt  drive  carbon  fiber 
august 2018 by asteroza
A Process for Capturing CO2 from the Atmosphere: Joule
Air carbon capture appears to now be below $1000/ton
air  carbon  capture  CO2  direct  CCS  sorbent 
june 2018 by asteroza
Fuel Cells Finally Find a Killer App: Carbon Capture - IEEE Spectrum
hrm, how hot is the CO2 exhaust? Can you get it to supercritical pressure/temperatures? There's that NETpower allam cycle demo that uses an oxyfuel gas turbine with similar inputs/outputs. The MCFC is more tolerant of inputs, but the allam cycle turbine might have better power output? What is you use a MCFC as a topping cycle replacement of an allam cycle combustor?
MCFC  molten  carbonate  fuelcell  carbon  capture  power  generator 
june 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
Large-scale polymeric carbon nanotube membranes with sub–1.27-nm pores | Science Advances
Mattershift is apparently building programmable matter separation filters/membranes using CNT tubes mounted as an array of through tubes/pillars on a polymer membrane.
CNT  carbon  nanotube  membrane  programmable  filter  separation  materials  science  research  technology 
march 2018 by asteroza
Enhancing Mechanical Properties of Pervious Concrete Using Carbon Fiber Composite Reinforcement | Journal of Materials in Civil Engineering | Vol 30, No 3
permeable concrete normally sucks, but throwing ground up waste carbon fiber into it makes it strong enough for actual usage, particularly for road/ground cover where you want rain water to pass though into the ground reasonably quickly, rather than collecting pollution then ending up in storm sewers..
permeable  porous  carbon  fiber  reinforced  concrete  materials  science  research  technology  recycling  water  management  building  construction 
march 2018 by asteroza
NEDO to Evaluate Technologies to Produce Methane Using CO2 From Coal, Green Hydrogen - News - Solar Power Plant Business
Uh, making synthetic methane from coal plant CO2 exhaust and solar PV electric cracked hydrogen seems kinda roundabout, but I guess if you don't have a syngas consumer nearby...
synthetic  methane  production  carbon  capture  CCS  CO2  reuse  japan  coal 
december 2017 by asteroza
Innovator Energy
Interesting CCS system, but I wonder how flue gas contaminants screw up the bubbler solvent chemistry
CCS  CO2  carbon  capture  ethanol  ammonium  bicarbonate  liquid  solvent  bubbler  flue  gas 
december 2017 by asteroza
Interesting design, uses what looks like deployable carbon fiber tubes (which are built up from a tape deployer style?) to extend the focal length so the small primary isn't as big of an issue (1m GSD!)
newspace  space  telescope  cubesat  12U  deployable  secondary  mirror  carbon  fiber  tape  tube  earth  observation  surveillance  remote  sensing 
november 2017 by asteroza
Building for the future with KARL MAYER | Karl Mayer
Using warp knit weft insertion carbon fiber for low weight concrete
warp  knit  weft  insertion  fabric  grid  carbon  fiber  concrete  low  weight  lightweight  composite  textile 
november 2017 by asteroza
Carbon-based Catalyst Developed for Fuel-cell Forklifts - News - Solar Power Plant Business
Ballard Power Systems seems to be the source of these carbon nanoshell catalyst electrodes, but one of the original researchers is Junichi Ozaki, of Gunma University, who was pursuing nano-shell multilayer carbon hollow shell spheres.
carbon  nanoshell  catalyst  electrode  PEM  fuelcell  materials  science  research  technology 
october 2017 by asteroza
Harvesting electrical energy from carbon nanotube yarn twist | Science
twisted nanotube yarn submerged in an electrolyte operates like a variable area supercapacitor, usable as an energy harvestor
twistiron  carbon  nanotube  CNT  yarn  power  generator  kinetic  energy  harvestor  scavenger  harvesting  scavenging  supercapacitor  fiber  stretching 
august 2017 by asteroza
Ground state structure of high-energy-density polymeric carbon monoxide
New explosive, 5-10x TNT, so 3x+ better than HMX. If it is really metastable, and not touchy as hell like octanitrocubane...
metastable  polymer  crystal  carbon  monoxide  materials  science  research  technology  explosive  military  Delicious 
april 2017 by asteroza
Physicists patent detonation technique to mass-produce graphene | Kansas State U...
Cheap graphene production, and carbon soot based aerogels that are easier to manufacture than conventional aerogel.
graphene  manufacturing  materials  science  research  technology  detonation  carbon  soot  aerogel  Delicious 
january 2017 by asteroza
Observation of extreme phase transition temperatures of water confined inside is...
Not conclusively "ice", but it appears water is solid inside CNT's at room temperatures. Which might allow "water wires" with high conductivity. But they aren't quite sure how the water gets inside the nanotube in the first place...
CNT  carbon  nanotube  encapsulated  water  materials  science  research  technologgy  wire  high  conductivity  Delicious 
november 2016 by asteroza
A synthetic pathway for the fixation of carbon dioxide in vitro | Science
Artificial CO2 fixation cycle (CETCH) made from a combo of 11 enzymes found across animals and plants appears to be 2-3 times faster and 25% more energy efficient than the Calvin cycle, but outputs a weird glyoxylate (which can be further converted to other stuff but...) rather than glucose so now just need to stuff a synthetic bacterium with DNA to build and operate those 11 enzymes to see if it really is better than photosynthesis. Primary boost is replacing RuBisCO with the enzyme ECR for better initial CO2 capture.
synthetic  CO2  carbon  fixation  enzyme  cycle  artificial  photosynthesis  biology  research  technology  optimized  designer  organism  metabolism  Delicious 
november 2016 by asteroza
A carbon nanotube optical rectenna : Nature Nanotechnology : Nature Research
New demo of optical rectennas, pushing antenna into diode, functioning as a petahertz recitifier
CNT  carbon  nanotube  diode  optical  rectenna  physics  materials  science  research  technology  power  generator  solar  Delicious 
november 2016 by asteroza
Feeding Single-Walled Carbon Nanotubes or Graphene to Silkworms for Reinforced S...
Hrm, so it didn't kill the silkworms or degrade their output too much? I thought nanotubes are the new asbestos because of cell wall interactions...
biocomposite  graphene  CNT  carbon  nanotube  silkworm  silk  fiber  production  manufacturing  compsite  materials  science  research  technology  biology  nanotechnology  Delicious 
october 2016 by asteroza
Defining a performance map of porous carbon sorbents for high-pressure carbon di...
How best to tweak carbon filters for "sweetening" natural gas by removing CO2 from the feed. Though sour gas has other stuff like sulpher that is a different issue...
selective  carbon  sorbent  adsorber  CO2  materials  science  research  technology  gas  filtration  filter  Delicious 
august 2016 by asteroza
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