Hydrogen Production Revised Roadmap

Transcription

1 International Institute for Carbon-Neutral Energy Research 1 Hydrogen Production Revised Roadmap July 2015

2 2 Division Objectives Production of Hydrogen without forming CO 2 : Use of solar energy to produce hydrogen through two pathways; Organic PV driven high temperature electrolysis and Photoelectrochemical Water Splitting. Development of energy conservation devices: Organic light emitting diode, and low friction bearings.

3 3 Division Projects Projects Objective Research Efforts Researchers Project 1-1 HT Electrolysis Energy efficient and cost effective production of hydrogen Develop highly active and durable oxide electrodes by understanding response of oxide surfaces solid oxide transport membranes for high temperatures. Oxide ion and high temperature proton conductor. Kilner, Ishihara, Druce, T. Sakai Matsumoto Project 1-2 Organic solar cell Organic solar cell with high efficiency Control of interface structure for preventing recombination of excited charge. Adachi, Yasuda, Goshi, Rockett Project 1-3 New Battery New concept battery with large capacity and superiors rate property Development of new concept battery based on dual intercalation into carbon, i.e. Li + and PF 6 - intercalation battery Ishihara, T.Sakai Project 2 (2-1?) Photo catalytic water splitting Water splitting with organic and inorganic composite Optimized inorganic and organic semiconductor for effective charge separation Ishihara, Ida, Hagiwara, Martin, Stakov. Artekin, Takahara, Higaki Guo, Ma Project 2-2? Water splitting with molecular photocatalysts Fabrication of rapid catalytic cycles for water oxidation and reduction by fine tune of structural and electronic properties of organometallic frameworks K. Sakai, Yamauchi

4 4 Division Projects Projects Objective Research Efforts Researchers Project 3-1 OLED Development of new concept molecule for light emitted Design and synthesis of new concept molecule named Thermal Activated Delay Fluorescence ( TADF) Adachi, Yasuda, Goshi Project 3-2 Surface Molecular Blush Development of low friction bearings based on molecular blush Design of molecules for surface coating for molecular blush Higaki, Takahara, Ertkin

5 5 Project 1: High temperature Electrolysis + Solar Cell + New Battery Milestones (new) (short) (mid) (long) Total H 2 formation efficiency >10% Total H 2 formation efficiency >15% Total H 2 formation efficiency >20% Competitive cost Project 1-1 High temperature Electrolysis Energy efficiency >90% at 773K Cost 0.3$/kW H2 formation >10Nm3/h on one unit H2 formation >100Nm3/h on one unit Project 1-2 Organic solar cell Efficiency >11% Efficiency >20% Long Term stability Energy Payback year <1 Project 1-3 New Battery Proposal of new concept Efficiency>90%, Capacity 200Wh/kg Capacity 300Wh/kg, Rate property; 70% of discharge

6 6 Project 2: Photo catalytic water splitting Milestones (new) (short) (mid) (long) efficiency >1% efficiency >10% efficiency >20% Large size unit >100Nm3/h Competitive cost Project 3-1 OLED efficiency >80lm/W (5cmx5cm efficiency 100lm/W efficiency >100lm/W Half brightness life>10,000h, low cost Project 3-2 Surface Molecular Blush µ=0.03 Ionic fluid lubricant Heat durability=100c µ=0.01 Ionic fluid lubricant Heat durability=150c µ=0.005 Lubricant free Heat durability=220c

7 Ultimate Targets 7 Ultimate targets Current Benchmarks Project 1 HT Electrolysis + Organic solar cel + New Battery Project 1-1 HT Electrolysis Project 1-2 Organic solar cell Project 1-3 New Battery Project 2 Photo catalytic water splitting Project 3-1 OLED Project 3-2 Surface Molecular Brush Total H2 formation efficiency >20% Competitive cost <20 yen/m3 Temperature: 500C Overall Energy Efficiency for system total>90% Low cost Overall Energy Efficiency >20% Durability: <1%@1000hrs? Payback year <1 years Overall Energy Efficiency >90%, Capacity; 300 Wh/kg Rate Property; 70% discharge 10C efficiency >20% Large size unit >100Nm3/h Competitive cost <20 yen/m3 efficiency >100lm/W Size; 5cmx5cm Half brightness life<10,000h, low cost µ=0.005 Lubricant free Heat durability=220c Total H2 formation efficiency >10%? Ishihara et al.? 800, 1.4A/cm 2 at 1.4V Zahid et al Efficiency=12% Durability?? Grazel et al. Capacity 200Wh/kg Rate Property, (Li ion battery) Efficiency=0.5% Low stability Domen et al. Efficiency = 131 lm/w Konica Minolta Efficiency = 90 lm/w Leo et al. µ=0.1(gel coat) Wada et al