(영문) 연료전지 리포트

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Technology and market

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CONTENTS
1. WORLD 3
1.1 TECHNOLOGY 3
1.2 MARKET 13
2. KOREA 20
2.1 TECHNOLOGY 20
2.2 MARKET 30

본문내용

Table 1.1
Essential Characteristics of Six Leading Fuel Cell Technologies: Single Cell Level
PEMFC DMFC AFC PAFC MCFC SOFC
Fuel H2(pure or reformed) 1-2M Ch3OH Pure H2 (>99.5%) Reformed H2 H2 and CO reformed fuel direct/indirect H2 and CO reformed fuel direct/indirect
Operating temperature(°C) 50-90 25-60 50-250 under 180-200 650 800-1000
Electrolyte Perfluorosulfonic
acid membrane, alternate membranes under investigation Perfluorosulfonic acid membrane, alternate membrane under investigation 8-12 M KOH molten KOH at about 200°C 85-100% H3PO4 100% in UTC fuel cell PC 25 38% Li2CO3/62% K2CO3
50% Li2CO3
/50%
Na2CO3 88% ZrO2
/12% Y2O3
Ionic conductor H+ H+ OH- H+ CO32- O2-
Electorcatalyst
Loading (mg/cm2) Pt on C (~0.2-0.4) Pt on C (~0.2-0.4) Pt on C (0.4), Ni/LiNiOx(Pt-Pd and Pt-Au in NASA cell) Anode: Pt(0.25) cathode: Pt-CO-Cr(0.4) Ni/LiNiOx Ni/Sr doped with LaMnO3 (most advanced)
Efficiency (%) 45-55 30-35 45-55 40-50 50-55 50-55
Power density
(W/cm2) 0.7 0.2 (maximum attained) Terrestrial:0.1 space: 0.8 0.2 0.12 Tubular: 0.25~0.30 planar: 1.0-1.2
Poisoning species Anode: CO> 10ppm electrolyte: mono and divalent cations Anode: CO, COH intermediate electrolyte: mono and divalent cations CO2 generating carbonates in electrolyte and solid carbonate in pores CO > 1% H2S > 1ppm H2S > 0.5 ppm H2S > 1 ppm

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