Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
-
Upload
dimitrios-tsiplakides -
Category
Documents
-
view
221 -
download
0
Transcript of Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
1/21
for Portable Applicationsfor Portable Applications
Fuel Cell Seminar & Exposition
Seong Kee Yoon, Youngseung Na
, Y. Joung, J. Park,
. ,
Y. Kim, L. Hu, I. Song, H. Cho
Samsung SDI
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
2/21
Contents
Introduction to Samsung SDIIntroduction to Samsung SDI
Portable Fuel Cell Activities in Samsung SDIPortable Fuel Cell Activities in Samsung SDI
DMFC Systems for Military ApplicationsDMFC Systems for Military Applications
SummarySummary
2/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
3/21
Business Concept of Samsung SDI
Samsung SDI is reborn as a leading environment friendly & clean energycompany with the new vision.
3/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
4/21
Samsung Portable Fuel Cells
2W Passive DMFC:2W Passive DMFC:Cell Phone ChargerCell Phone Charger
1212--20W Active DMFC:20W Active DMFC:Laptop PowerLaptop Power
25W Active DMFC:25W Active DMFC:Soldier PowerSoldier Power
Performance
Output Power 2.6 W
Input Voltage 2.8 V
Out ut Volta e 4.2 V
Performance
Output Power 12 W
Input Voltage 9.9~16.5 V
~
Performance
Output Power 25W
Output Voltage 16.4V
Energy Storage 8.3 Wh
Energy Density 55 Wh/L
Lifetime > 400 hrs
Physical
. .
Energy Storage 120 Wh
Energy Density 202.7 Wh/L
Physical
Total Volume 601.9cc
Energy Density 510Wh/kg
Physical
Total Volume 2.52L
Total Wei ht 1.87k
Total Volume 150.7ccTotal Weight 182.77g
Cartridge volume 26.7cc
Cartridge weight 30.97g
Environmental
Total Weight 738.5gCartridge volume 132.6cc
Cartridge weight 122.0g
Environmental
Cartridge volume 300.2cc
Cartridge weight 262g
Environmental
- ~
4/21
Operation Temp. 45C
Orientation Indep. 360
Operat on Temp. 10~40C
Storage Temp. -10C, 60C
Orientation Indep. 360
.
Orientation Indep. 360
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
5/21
Press Release: 2W Cell Phone Charger
. . 7
5/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
6/21
Press Release: Laptop Power
06. 12. 27 (SEC-SDI-SAIT) 06. 12. 27 (MBC, KBS)
6/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
7/21
Key Technologies of DMFC
ys emMaterials Modules
Catalyst
Stack HEX Cartridge
Hi h ower densit /efficienc MEA Efficient stack desi n technolo
Membrane
BOP Recycler Circuit
Low cost catalysts
MEA manufacturing technology
ys em pac ag ng ec no ogy
High efficiency operating
technology
System operating logic based on
Reproducible stack manufacturing technology
Heat/water control technology
Fuel supply control logic
environmental conditions
Low cost manufacturing technology
High efficiency circuit design
Contamination filtering technology
Low cost manufacturing technologyCore technology under development
Established core technology
7/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
8/21
25W DMFC System:Soldier Power25W DMFC System:Soldier Power
8/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
9/21
Why Fuel Cell for Soldier Power?
Power SourceWeight for
3-Day Mission
Energy
DensityLifetime
Energy Cost
(USD/1kWh)
Primary Battery
(BA-5590)8.16kg (8ea) 176Wh/kg One time use $421.58
Secondary Battery 220
(BB-2590). g ea g
cycle life.
Fuel Cell 3.4kg 510Wh/kg 3,000hrs $10.90
66% / 75% decrease
in weight
97% / 50% decrease
in cost
9/21
vs. primary / secondary bat. vs. primary / secondary bat.
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
10/21
25W DMFC System: Soldier Power
- Li htwei ht militar ower for soldiers
Product
- 25W DMFC system
- Decrease battery weight for long-hour (72-96hr) missions
- Decrease primary battery cost for field training- rov es green energy o e a e e
Concept
- Provides 25W nominal power (55W peak) via hybridization with Li-ion battery
- Decrease power weight by 66% and 75% compared to primary and secondary batteries, respectively,
based on a 72hr-mission (primary battery: 8.16kg, secondary battery: 10.88kg, FC: 3.14kg)
10/21
- Provides instant power through fuel cartridge replacement
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
11/21
25W DMFC System: Features
Features
.
2. volume/weight: 2.52L / 1.87kg (dry weight)3. energy capacity: max. 280Wh (1 cartridge)
.
5. sound level: ~45dBA
6. type: primary power source for soldiers
7. features
- provides instant power from inner battery
- stable stack operation independent of exterior load through inner battery charging logic
- thermal reliability
thermal cycling : -5~45 Heat Cycle Adaptive Operation Control- stable operation independent of on-off power cycles and operating directions (180)
- real-time monitoring of fuel cell operation and inner battery state
11/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
12/21
Power Unit
[Front] [Back]fuel cartridge cover
[Top]
Display & Switch
- Power Status
air intake air exhaust- Fuel & Battery Remainder- Operation Mode
- Night Vision
12/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
13/21
Internal Battery and Fuel Cartridge
- Dimension: 7.4cm9.0cm2.5cm (166.5cc)- Weight: 228g
Li-ion Battery [Battery Charger]
- ype: - on ac
- Capacity: 2.6Ah- Output Voltage: DC 14.8V
Fuel Cartridge
- mens on: . cm . cm . cm . cc- Weight: 262g (260cc Fuel included)
- Fuel Connector: Type D (IEC TC 105 standard)
- Energy Capacity: ~260Wh
[Fuel Charger]
- ,
13/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
14/21
Monitoring Program
14/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
15/21
Key Features to be Highlighted
High System EfficiencyHigh System Efficiency
Orientation Independent OperationOrientation Independent Operation
Optimized Heat & Water ManagementOptimized Heat & Water Management
15/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
16/21
I. High System Efficiency
, ,
Test Results
(670.1b) Fuel Consumption Test
1.13Wh/cc
Fuel
Efficiency
(661.2) Sound Level Test
Sound Level 50cm 45dBAequ v. o m
Orientation Test
1-Hour
Operation
6-Dir
16/21 Avg. stack power variation: 33.4 1W
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
17/21
I. High System Efficiency
High system efficiency achieved through battery SOC cycling
1) operate at most efficient mode for nominal power
2) operate stack at nominal power mode for partial power loads & applybattery SOC cycling
75% load 50% load 25% load
80
100
er(% 1
1.2P_stack P_batt P_loadBatt remainder (%) Fuel eff. (Wh/cc)
0.8
1.0
1.2
Wh/cc
Battery SOC cycling
20
40
60
BatteryRemaind
0.6
0.8
fficiency(Wh/cc
0.2
0.4
0.6
uelEfficiency Load power following
-40
-20
0
Power(W)/
0
0.2
0.4Fue
l-
0 10 20 30
Load (W)
F
17/21
Battery SOC cycling vs. Load power following0 5000 10000 15000
TIme (s)
FC onFC off
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
18/21
II. Orientation Independent Operation
Multifunctional recycler utilizing centrifugal force
1) gas & liquid separation
2) mixing dilute methanol solution with neat methanol
1) gas & liquid
2) mixer
no performance change
18/21
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
19/21
III. Optimized Heat & Water Management
o per ormance c ange n t e temperature range o - ~
Based on MIL-STD-810G
.
(502.4) Low Temperature Test
Thermal Cycling Condition
25oC -5oC(2hrs) 25oC 45oC(2hrs) 25oC
19/21
.
System/Stack Power@ -5 degree C: 25W/ 34W
System/Stack Power@45 degree C: 24W/ 34.5W
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
20/21
III. Optimized Heat & Water Management
erma sta ty s ac eve v a propr etary ayout contro og c
separator
Stackanode out
cathode outcathode in
anode in
2nd separator
ion
filter
mixer vapor
HEX
anode
HEX
liquid gas
Lgas
PerformanceStack power System power
Water level is controlled throu hWater level Anode inlet T Stack T & water level
cathode fan control Stack temperature is controlled
through anode fan control
20/21
Cathode fan
control Anode fancontrol
PI control of Fans
-
7/27/2019 Direct Methanol Fuel Cell Systems for Portable Applications (Samsung)
21/21
Future Applications for Samsung Fuel Cells
APU Application(requires long operating time and light
weight)
Extending Battery Operation TimeFor Portable Electronics
Develop High EnergyDensity & Robust System
ge
Cellular PhoneSales : 1002 million
Units in 2006
Military APUEducational Robot
ogyChalle Leisure APU
FC
Techno
Note PCSales : 110 million
Units In 2007
10 50 100
Electric WheelChair
ElectricScooter
21/21
System Power (W)
1st author : [email protected]