ismol 2 integrated methanol fuel processor motorola

... 2. 2 Direct Methanol Fuel Cells 2. 2.1 Construction and Basic Operations of DMFCs 2. 2 .2 Membrane Electrode Assembly 12 2 .2. 3 Proton Exchange Membranes 15 iv 2. 2.3.1 ... Protons and Methanol in PEM 17 2. 2.3 .2 Mitigating the Tradeoff between Proton Conductivity and Methanol Permeability 21 2. 3 Semi-interpenetrating Polymer Network 28 2. 3.1 Synthesis ... synthesis 29 2. 3 .2 Semi-interpenetrating Polymer Networks as Proton Exchange Membranes 31 2. 3 .2. 1 Nafion®-based Semi-interpenetrating Polymer Networks 32 2.3 .2. 2 Other Semi-interpenetrating...

Ngày tải lên: 09/09/2015, 10:14

... Intensity/CPS 25 000 20 000 15000 28 6.44ev 29 0.43ev 10000 28 8.06ev 5000 29 6 29 2 28 8 28 4 28 0 Binding energy/eV (a) 4500 (b) 5 32. 47ev Intensity/CPS 4000 3500 3000 540 536 5 32 528 524 Binding Energy(ev) ... Mater Chem 20 00, 10( 12) : 26 78 -26 84 Yamaguchi T, Miyata F, Nakao S-i Pore-filling type polymer electrolyte membranes for a direct methanol fuel cell J Membr Sci, 20 03, 21 4 (2) : 28 3 -29 2 Akiko Yamauchi, ... 1 .2 1.0 0.8 0 40 80 120 160 20 0 time/h Figure Oxidative stability of Nafion-117 membrane and PVDF-SPS membrane in the 3%H2O2 solution at 333 K ISSN 20 76 -28 95 (Print), ISSN 20 76 -29 09 (Online) 20 10...

Ngày tải lên: 05/09/2013, 16:11

... Membranes 18 2. 3.1 Proton Conductivity 18 2. 3 .2 Methanol Crossover 20 2. 3.3 Water Uptake and Degree of Swelling 23 2. 3.4 Mechanical Properties 24 2. 3.5 Other Requirements for PEMs 24 2. 4 Modifications ... 140 7 .2 Experimental 1 42 7 .2. 1 Materials 1 42 7 .2. 2 Membrane Preparation 143 7 .2. 3 Characterizations of SPM Membranes 146 7 .2. 4 Ion Exchange Capacity (IEC) 146 7 .2. 5 Water Uptake 147 7 .2. 6 Proton ... 6.1 Introduction 118 6 .2 Experimental Section 119 6 .2. 1 Materials 119 6 .2. 2 Preparation of Polyaniline 120 6 .2. 3 Preparation of PAn-AMPS-PEM 121 6 .2. 4 Characterizations 123 6.3 Results and Discussions...

Ngày tải lên: 14/09/2015, 13:50

... nanoparticles……………………………………………… 25 iii Table of contents 2. 2.1.3 PtRe nanoparticles……………………………………………… 26 2. 2.1.4 PtOs nanoparticles……………………………………………… 27 2. 2 .2 Unalloyed nanoparticles……………………………………………… 28 2. 2.3 Pt(hkl) ... al., 20 03) obtained Os and PtOs/C nanocomposites by thermal treatment of cis- (2, 2’-bipyridine)2OsCl2, (η6cymene)2Os2Cl4, or [(bpy)2Os(µ-bpm)-PtCl2][CF3SO3 ]2/ Vulcan carbon composites in H2/N2 Temperature ... effects…………………………………………………… 16 2. 2 Common multi-component methanol oxidation electrocatalysts………… 19 2. 2.1 Alloy nanoparticles………………………………………………… 19 2. 2.1.1 PtRu nanoparticles……………………………………………… 19 2. 2.1 .2 PtNi nanoparticles………………………………………………...

Ngày tải lên: 14/09/2015, 18:42

... A1093 (20 06) [22 ] S Mitsushima, S Kawahara, K I Ota, and N Kamiya, J Electrochem Soc 154, B153 (20 07) [23 ]D A Stevens, M T Hicks, G M Haugen, and J R Dahn, J Electrochem Soc 1 52, A2309 (20 05) [24 ] ... Sources, 118, 325 (20 03) [19] X Wang, M Waje, and Y.S Yan, Electrochem Solid-State Lett., 8, A 42 (20 05) [20 ] X Wang, W Li, Z Chen, M Waje, and Y Yan, J Power Sources, 158, 154 (20 06) [21 ] Y Y Shao, ... electrocatalyst support, the cell fed with H2/N2 would undergo a 20 0 h cycle of being held at 1 .2 V for 24 h and characterized by polarization curve and ECSA repetitively [24 ] Although this method is much...

Ngày tải lên: 11/09/2015, 10:03

... 0 ,25 0,6 0 ,25 0,6 0 ,25 0,6 0 ,25 0,6 0 ,25 0,6 Kiãøu Kêch thỉåïc näúi (mm) Dy mm Dn D Dδ 40 45 130 100 80 50 57 140 110 90 70 76 160 130 110 100 108 20 5 170 148 150 159 26 0 22 5 20 2 Buläng D1 db 2 ... = 27 60 J/kg.âäü => 60 40 CA50 ,25 = CA40 + C A − C A (50 ,25 − 40) 60 − 40 = 26 70 + 27 60 − 26 70 (50 ,25 − 40) = 27 16,13 J/kg.âäü 60 − 20 Nhiãût dung riãng ca nỉåïc åí nhiãût âäü 50 ,25 0C: Trang 27 ... Dt + 2. hb ( S − C )].P0 7,6.k ϕ h hb ( S − C ) ≤ σc 1 ,2 , N/m2 Cäng thỉïc XIII.49 trang 386 Säø tay QTTB táûp ⇒σ= [0, 82 + 2. 0 ,2. (0,004 − 0,00 122 )].375393,5 = 7,6.1.0,95.0 ,2. (0,004 − 0,00 122 ) σ...

Ngày tải lên: 09/11/2012, 13:55

... of 2 32 (shift right 32- bit) to 23 1 (shift left 31-bit) 2. 2 .2 TMS 320 C55x Buses As illustrated in Figure 2. 1, the TMS 320 C55x has one 32- bit program data bus, five 16bit data buses, and six 24 -bit ... #COEFF, XAR2 #COEFF, BSA23 #0x4, BK03 #2, AR2 AR2LC *AR2‡, T0 *AR2‡, T1 *AR2‡, T2 *AR2‡, T3 59 ; Main data page for COEFF[ 4] ; Buffer base address is COEFF[ 0] ; Set buffer size of 4-word ; AR2 points ... to the main data page That is, XDP ˆ Example 2. 8: Instruction mov mmap(@AC0L), T0 AC0 T0 AC0 T0 00 12DF 020 2 0000 Before instruction 00 12DF 020 2 020 2 After instruction Accessing the MMRs using...

Ngày tải lên: 19/10/2013, 23:15

... d=1.74815 d=1.88089 d =2. 04868 d =2. 47039 d =2. 2 723 0 20 0 d =2. 73071 300 d=3.66 121 d=5.7 823 6 400 d=4.0 921 0 d=8.16610 500 d =2. 89596 600 d=4. 723 81 Lin (Cps) 800 100 10 20 30 40 50 60 70 80 2- Theta - Scale ... chuyển hóa 2- KLGA phụ thuộc tốc độ khuấy Thời gian (phút) Độ chuyển hóa 2- KLGA (%) 300v/p 400 v/p 500v/p 0 0 2, 9 2, 1 2, 5 15 9,0 7,9 10 ,2 30 12, 4 13,7 16,8 60 23 ,7 25 ,4 27 ,5 120 42, 2 50,8 52, 3 17 ... 15 2, 8 1,5 1,0 30 16,8 8,1 1,8 60 27 ,5 17,0 3,6 120 52, 3 30,9 7,9 180 70,0 43,0 11,6 24 0 83,6 57,9 17 ,2 300 93,9 67,7 22 ,5 16 17 360 95,6 71 ,2 26,0 420 98,0 75,1 28 ,8 Hình 3.11 Độ chuyển hóa 2- KLGA...

Ngày tải lên: 10/02/2014, 20:34

... applicable 7 .2 14.4 to 28 .8 36.0 to 57.6 64.8 to 115 .2 20 port 20 port 20 port 20 port 0 1 Networking Raw Storage Capacity (TB) Redundant 8Gb Fiber Channel (FC) Connectivity: x Qlogic FCSM 20 p FC Blade ... Ethernet Switch) 2 Not applicable 9,375 26 2,5 Up to 26 2,5 Entry FC/SAS Storage: DS5 020 with dual controller, including 16DDMsx (300 or 450 or 600 GB) to Storage Expansions: EXP 520 includes 16DDMsx ... to 29 60 additional 28 0VMs* per Power 750 server added Redundant 1Gb Ethernet Switches: 48 port 1Gb Juniper EX 420 0 Ethernet Switch to Redundant 10Gb Ethernet Switches: 24 port 10Gb IBM 40 02- X2A...

Ngày tải lên: 23/03/2014, 08:20

Ngày tải lên: 04/04/2014, 12:04

... 0.5 Tigoni 22 9 22 4 40 188 41 83 2. 3 ± 0.17 2. 1 ± 0. 12 2.7 ± 0.34 3.5 ± 0.14 1.8 ± 0 .21 1.9 ± 0.19 23 19 15 304 29 6 41 23 0 62 147 22 .7% 18.8% 30.0% 17.0% 43.9% 27 .7% 31.9% 46.4% 50.0% 32. 4% 53.7% ... 50.0 35.6 36.1 34.4 29 .3 42. 6 71.6 40.0 34.0 20 .5 58.9 41 .2 50.9   4.8   2. 5 12. 2 22 .9   3.6 22 .0   8.8   4.4   0.0   2. 1 16.9   1.3   9.8   4.4 1.3 0.0 6.4 12. 5 0.0 9.8 3.7 Integrated Assessment ... 67.5% 29 .8% 36.6% 57.8% 5.6 ± 0 .25 6.1 ± 0 .22 7.8 ± 0.6 8.0 ± 0.35 7.3 ± 1.0 7.0 ± 0.36 0.3 ± 0.06 0.8 ± 0.10 2. 5 ± 0.4 0.6 ± 0.09 1.4 ± 0.35 1.5 ± 0 .20 2. 3 ± 0. 12 2.7+0.15 1.7 ± 0 .28 2. 8 ± 0.15 2. 24...

Ngày tải lên: 18/06/2014, 19:20

... 1991), pp 83-1 02, ISSN 0 022 - 022 1 Vári, A (1996) A paksi atomerőmű kiégett fűtőelemei átmeneti tárolójának telepítése Társadalomkutatás, Vol.14, No.1 -2, pp 20 -31, ISSN 023 1 -25 22 Vári, A (1997): ... pp 28 5 -29 0, ISSN 00 02- 828 2 Pomázi, I (20 10) Transition towards sustainability: myth or reality in Central and Eastern Europe, Hungarian Studies, Vol .24 , No.1, pp 99- 126 , (June 20 10), ISSN 023 6-6568 ... municipal waste hazardous waste hazardous waste nuclear waste nuclear waste Years 20 02- 2004 20 01 -20 10 1985 -20 09 20 02- 2005 1987 -20 09 1995- Table Case studies on social conflicts In this chapter six mini...

Ngày tải lên: 19/06/2014, 14:20

... Monthly Total Abule-Egba (Metric tones) 24 6 320 690 1354 26 10 Soulous (Metric tones) 1459 1946 20 51 20 58 7514 Olushosun (Metric tones) 8871.6 922 4 10608 13541 422 44.6 Weekly Total (Metric tones) 10,576.6 ... CO2 concentration in the atmosphere has risen to 391 ppm by end 20 101; an increase of about 6% compared to records of 20 00 The 20 10 world energy statistics (BP, 20 10) show that 44% of total CO2 ... micronutrients(Same et al ,20 02; Stirk, & Staden., 20 02 ; Schiewer & Wong 20 00) Seaweeds extracts are used at the recommended times and rates for increasing growth of plants (Azmat et al. ,20 07) These extracts...

Ngày tải lên: 19/06/2014, 14:20

... Direct Injection LPG Fuelled Two-Stroke Motorcycle Engine, SAE Paper 20 08- 32- 0045 Website 1: http://www.greencarcongress.com /20 06/ 02/ mercedesbenz_pr.html, (17.04 .20 10) Website 2: http://germancarwiki.com/doku.php/fsi, ... (Arai et al., 1984), (Nishida et al., 19 92) , (Gỹlder et al., 19 92) , (Christoph & Dec, 1995), (Zhang et al., 1997) and (Bermỳdez et al., 20 02, 20 03) 28 Fuel Injection To analyze the internal structure ... (Ranz & Marshall, 19 52) Cone angle proposed by (Hiroyasu & Arai, 1990): l = 83, d -0 ,22 d Do 0,15 g l 0 ,26 (26 ) Liquid Sprays Characteristics in Diesel Engines 27 Fig Cone angle dependence...

Ngày tải lên: 20/06/2014, 11:20

... in Signal Processing # Pipe 3r 2r r r r r Number of rows in ILVA 10 3r 4r 4r 5r 2r 2r 3r 3r r 2r 2r 2r r r r 2r r r r r r r r r 11 5r 3r 2r 2r r r 12 6r 4r 3r 2r 2r r limit of functionality in ... over a distributed FIFO g5 1 1 (a) g5 g g2 g g4 g5 g g2 g g4 g4 g g3 g2 g g4 g g3 g3 g1 g g2 g g2 g g1 g4 g g3 g g1 g1 g g5 g3 g g1 g g5 g5 g g2 g1 g g5 g g2 (b) Figure 4: (a) Communication scheme ... [18] [19] [20 ] ’ 02) , pp 164–171, World Scientific, Frankfurt, Germany, July 20 02 L Benini and G De Micheli, “Networks on chips: a new SoC paradigm,” Computer, vol 35, no 1, pp 70–78, 20 02 A DeHon,...

Ngày tải lên: 21/06/2014, 22:20

... Integral 711 22 .1 Finding Net Change in Amount: Physical and Graphical Interplay 711 22 .2 The Definite Integral 725 22 .3 The Definite Integral: Qualitative Analysis and Signed Area 731 22 .4 Properties ... Integration 827 843 853 28 .1 Computing Volumes 853 28 .2 Arc Length, Work, and Fluid Pressure: Additional Applications of the Definite Integral 865 CHAPTER 29 Computing Integrals 877 29 .1 29 .2 29.3 29 .4 ... 49 2. 2 2. 3 A Pocketful of Functions: Some Basic Examples Average Rates of Change 73 N 2. 4 EXPLORATORY PROBLEMS FOR CHAPTER 2: Runners 82 Reading a Graph to Get Information About a Function 84 2. 5...

Ngày tải lên: 05/07/2014, 18:20

... juuhachifun Ck#9e2L 10 19 PPPU~ 20 tcc :'7L,,j:tt juuichiji rg j C u L a ? 3q$wi-L juukyuufun C@?L\g3C nijuppun C ~ 30 SL, 12* 7ei:A juuniji sanjuppun if Age L"u9=75~+i."k juuroppun 322 -X/ shichiji ... " ) Japanese kankokujin Nationality Kirnura Takerhi igirisujin 4th year Year 2nd year 4th year 3rd year Age 19 22 20 School Major U of Arizona Tozai Univ history ( j k L) Japanese Seoul Univ ... 76 (el 52 (f) 100 (8138 (h)61 (i )24 (d97 (d) - (e) IO+9 C What are the answers? (a) 5+3 tb) 9+I (el 3+4 ( f ) 8-7 (9) 40 -25 @ l;f (Time) @ L>& r t= , I t E I i U tit% t" shichiji ?dl2 rokuji...

Ngày tải lên: 22/07/2014, 04:21

... equation: ∇ 2V = RS J O (1 .2) Figure 1.8a (Case 1) Supply voltage drop across a chip that has been wire bonded with supply pads on the edge of the chip [8] (© 20 05 IEEE) Figure 1.8b (Case 2) Supply ... voltage increases 2. 0 1.8 Ring Oscillator Frequency vs Supply Voltage Frequency (Arb Scale) 1.6 1.4 1 .2 Low VT Transistors 1.0 0.8 High VT Transistors 0.6 0.4 0 .2 0.0 0.4 0.6 0.8 1 .2 1.4 1.6 Supply ... materials [20 ] (© 20 05 IEEE) Chapter Technology Challenges Motivating Adaptive Techniques 21 1.5 Conclusion Variability and leakage are major technology challenges for both present and future integrated...

Ngày tải lên: 06/08/2014, 01:21

... w1(b1+1) Vi Rd/w1 w1(b1+1)Cd L1 w2(b2+1) RwL1 L Cw L2 w3(b3+1) Vo L Cw w2(b2+1)Cg Figure 7.3 A simplified model of a delay line based on the theory developed in [17] 1 52 Alan Drake Some commonly used ... to resolve 164 Alan Drake j1 D j2 Q j1 j2 j2 out j1 out out (a) D flip-flop phase detector (b) D flip-flop phase detector timing diagrams j1 j2 D R R Q Q A j2 j2 A A B j1 D j1 B R R out out out ... the microprocessor tested The wire path tracks the critical path very closely in the high-frequency core regions; there is little 1 62 Alan Drake High Frequency, F 1 .25 1 .2 NOR Wire T 1 .2 Low Frequency,...

Ngày tải lên: 06/08/2014, 01:21

... addition, 1 82 Shidhartha Das, David Roberts, David Blaauw, David Bull, Trevor Mudge CK0 INCOMING DATA CK1 S0 S1 EQ0 CK1 CK0 S2 EQ1 CK2 CK CK2 EQ2 D To System EQ0 EQ1 Td Td a) EQ2 b) Figure 8 .2 In situ ... Embedded Microprocessor,” IEEE J Solid-State Circuits, vol 40, no 1, Jan 20 05, pp 28 –35 [25 ] S Nassif, “Delay Variability: Sources, Impacts and Trends,” ISSCC, 7–9 Feb 20 00, pp 368–369 [26 ] K Nowka, ... Circuits,” IEEE Transactions on VLSI Systems, vol 12, no 2, Feb 20 04, pp 131–139 [29 ] B Razavi, Design of Analog CMOS Integrated Circuits, McGraw Hill, Boston, 20 01, pp 550–556 [30] P Restle, R Frach,...

Ngày tải lên: 06/08/2014, 01:21