San Francisco January 22-24, 2018 - Cleantech Group · 2018. 1. 31. · CEO & Chief Engineer,...
Transcript of San Francisco January 22-24, 2018 - Cleantech Group · 2018. 1. 31. · CEO & Chief Engineer,...
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San Francisco January 22-24, 2018
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#cleantechSF
Thank youCompany Showcase: Next Generation Innovations for Buildings
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#cleantechSF
Company Showcase: Next Generation Innovations for Buildings
MODERATED BY
YOACHIM HAYNESAnalyst, CTG
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#cleantechSF
Company Showcase: Next Generation Innovations for BuildingsEXPERT REVIEWERS
CASSIE BOWE Associate Vice President, Energy Impact Partners
ALFRED LAMVice President, Chrysalix
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Company Showcase: Next Generation Innovations for Buildings
05
DIVYARAJ DESAIMember of the
Research Staff in The Energy Systems &
Materials Group, PARC
PETER KOZODOY
Founder & CEO, Glint Photonics
MATT MILLERCEO & Chief
Engineer, Nativus
SERGEY VASYLYEV
CEO, Lucent Optics
LANCE WHEELERResearch Scientist,
National Renewable Energy
Laboratory
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#cleantechSF
Company Showcase: Next Generation Innovations for Buildings
DIVYARAJ DESAIMember of the Research Staff in The Energy Systems & Materials Group, PARC
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© 2017 PARC, All rights reserved.PARC Confidential
Electrochemical Systems for Detection and
Elimination of Indoor CO2January 24, 2018
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© 2017 PARC, All rights reserv ed.
PARC Conf idential
Technical Concept
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• HVAC comprises 32% of the energy consumed by U.S. buildings. Direct removal of CO2 reduces overall energy consumption by 1%.
• CO2-selective removal systems could result in greater energy savings than DCV (Mysen et al, Energy & Buildings, 2005).
• CO2 removal is key to maintaining indoor air quality. Elevated CO2 concentration affects human activity levels and cognitive
function, especially in the key area of strategic thinking (Allen, JG et al, Environ Health Perspect (2016), 124 (6), 805-812)
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© 2017 PARC, All rights reserved.PARC Confidential
Electrochemical CO2 Pump
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› Electrochemical CO2 pump is activated by electrochemical sensor feedback.
› Reversible CO2 electro-reduction at electrodes to form mobile ion that is transported across the membrane
› Exhaust gas is rejected to surroundings, limiting the need for excessive outdoor ventilation.
CO
2+
O2
ion
Exhaust Air
>400ppm CO2
Output air
<1000ppm CO2
Indoor Air
>1000ppm CO2
e-
Current
collector
Me
mb
ran
e
Catalyst
INDOOR OUTDOOR
CO
2+
O2
Outdoor Air
400ppm CO2
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© 2017 PARC, All rights reserv ed.
PARC Conf idential
CO
NC
EP
T V
AL
IDA
TIO
NM
EA
FA
BR
ICA
TIO
N
Performance Summary
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Membrane synthesis MEMBRANE CHARACTERIZATION (EIS)
0 min 2 min
4 min 10 min
SYSTEM RESPONSE OF EXHAUST GAS (100% CO2 Feed)
0.03%
5.00%
Commercial
PARC
Pristine Membrane Functionalization
EXPERIMENTAL SETUP
CO2 Sensor
Electrochemical Cell
+
-
Gasket
GDE
Membrane
• Custom-designed cell using ECR
membrane
• Performance validated in pure CO2
feed
• Sensor response determined using a
colorimetric CO2 sensor
MEA fabrication
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© 2017 PARC, All rights reserved.PARC Confidential
Benchmarks: Sorbents, plants and photobioreactors
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› Adsorption air cleaning using CO2 sorbents is the current state of the art (60% reduction in thermal load). However, sorbents have a high energy consumption (6 kWh/kg CO2), which erodes the energy impact.
› Plants have been used for indoor CO2 remediation and reduce HVAC load but have a poor CO2 removal rate (<0.1 L/h/plant, Torpy et al, Urban
Forestry & Urban Greening (2014), 13 (2), 227-233)
High energy consumption (1 MJ/mol)
Source: DOI: 10.1039/C0EE00064G
Solid CO2 sorbent Indoor plants
Poor CO2 removal rate
Source:Tarran, J et al, Proceedings Of 6 th Internat.
Conf. On Indoor Air Quality, Ventilation & Energy
Conservation,-Sustainable Built Environment. 2007.
Algal Photobioreactors
Need a continuous light source
Source: Artveoli microfluidic photobioreactor
Bioreactor
LED Custom art
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© 2017 PARC, All rights reserved.PARC Confidential
Economic Assessment
› Designed to remove 50 L CO2/h (1 person), and estimated to have an energy consumption of 75 W. Modular
stack form factor and operates at a current density >100 mA/cm2.
› Capital costs expected to scale similarly to an fuel cells, equivalent to $52/occupant.
› Expected payback period would change based on energy savings/region of installation. We estimate a
payback period of <3 years for an electrolyzer for the above scenario.
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© 2015 PARC, All rights reserved.
THANK YOU
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© 2017 PARC, All rights reserved.PARC Confidential
Challenges
› Inexpensive catalysts
› Improve system reversibility
› Improve removal rate
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#cleantechSF
Company Showcase: Next Generation Innovations for Buildings
015
MATT MILLERCEO & Chief Engineer, Nativus
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A Heating & Cooling Technology Platform
CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL - CONFIDENTIAL
nativuspower.com
rocket fund finalists
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ARCHITECTURAL REDESIGN
Based on a patented heat exchanger platform that is
10x more efficient than current technology.
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Boundary Layer Sheared Away Via Centrifugal Force
System Operates Standard Vapor-Compression Cycle
ROTARYAir-Conditioner
Fan + Heat Exchanger
In One
Completely Sealed Refrigerant System
*Energy Efficiency initial estimates based upon initial calculations, materials and components selected for manufacturing.
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“World's Hottest Market: Air Conditioners For India And Hundreds Of New Electric Plants To Power Them”
- Forbes, May 2017
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The Problem is Global
Global HVAC Equipment sales :
$120B in 2020.
Global HVAC Energy Demand
$9T12% Global GDP1
1. EIA. Assumes $.15 kWh Global COE Average.6
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Stationary‘Finned Tube + Fan’
Heat Exchanger
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We are long overdue for a system redesign…
In the foreground, a Finned-Tube Heat Exchanger (radiator) installed on an early car over a century ago.
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Problem: Poor Heat Exchange1
Fouling CondensateBoundary Layer
91 Lawrence Berkeley National Laboratory. Fouling of HVAC Fin and Tube Heat Exchangers (White Paper). Berkeley, Sept. 2001.
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Heat Exchanger Fins
Air Flow
Insulating Boundary Layer
The Boundary Layer
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CRYO Air-Conditioner
Precision Climate-Control
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11*Energy Savings based on a comprable capacity leading room air-conditioning system.Initial estimates based on materials and components selected for manufacturing.
TM
Light & EasySingle-Person Install
LowerOperating Expense*
Single-MotorQuiet While in Operation
WiFi-EnabledManage Usage
Air FilterReplaceable Filter for Cleaner Air
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Matt Miller | [email protected] | 775.537.4611
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#cleantechSF
Company Showcase: Next Generation Innovations for Buildings
LANCE WHEELERResearch Scientist, National Renewable Energy Laboratory
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U.S. DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY & RENEWABLE ENERGY
SwitchGlaze
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U.S. DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY & RENEWABLE ENERGY
Good window OR Good solar panel: Why not both?
Dynamic windowsTransparent Semitransparent
4% IR lab efficiency
2.5% UV theory efficiency
Solar windows
~20+ year ROI!
No energy generation
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U.S. DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY & RENEWABLE ENERGY
The value of SwitchGlaze
e-
e-
$2.38 / ft2 / year
Solar Conversion
$3.90 / ft2 / year
Solar Mitigation
1-4 year ROI
Drop-in (no destruction) retrofit
Efficiency higher than any existing technology
Commercial Residential
$5 billion
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U.S. DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY & RENEWABLE ENERGY
Incremental cost of SwitchGlaze
Roll-to-roll printing technology
Bailie, C. et al. Preliminary Technoeconomic Analysis of Single-
Junction Perovskites and Perovskites-on-Silicon. in (2015).
Window:
$4.24 / sf Dynamic PV:
$1.49 / sf
Cost of a SwitchGlaze window
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U.S. DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY & RENEWABLE ENERGY
SwitchGlaze path to market and partnership needs
Proof of Concept Prototype Demo Installation
Investment needs:
▪ Research on
Improved durability
▪ Scaling
Product
$▪ Multiple Non-prov.
patents filed
▪ Large NREL portfolio
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U.S. DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY & RENEWABLE ENERGY
To Learn More:Visit energyicorps.energy.gov