Errata: Development of Sintered Porous Metal for Passive Direct Methanol Fuel Cell Anode Wick with Function of Penetrating Liquid Fuel by Capillary Force and Releasing CO2 Gas
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本誌第60巻第3号に掲載の伊達賢治氏，安藤慎輔氏，川内祐治氏，立川 清氏の研究論文「毛管力による液体燃料輸送とCO2ガス排出が可能なパッシブ直接メタノール形燃料電池アノード極ウィック用の金属多孔質焼結体の開発」につきまして，著者より訂正の申し出がありました．訂正箇所は下記の通りです．◆P82 右段 下から9行目 （誤） Si(OCH3)5(TEOS) （正） Si(OC2H5)4(TEOS)◆P.83 右段 上から7行目 （誤） No.5による （正） No.4による◆P.84 右段 下から3行目 式（2） (正)(誤)はpdfで表示．◆P.90 Fig.15のキャプション （誤） Fig. 15 I-V characteristics. (a) No. 1-3 by Cell 1, (b) No. 3-6 by Cell 1 with Anode airproofed, (c) No. 5 and No. 5c by Cell 1 with Anode airproofed, (c) No. 7c-9c and 5c by Cell 2. （正） Fig. 15 I-V characteristics. (a) No. 1-3 by Cell 1, (b) No. 3-6 by Cell 1 with Anode airproofed, (c) No. 4 and No. 4c by Cell 1 with Anode airproofed, (d) No. 7c-9c and 5c by Cell 2.◆P.90 右段 下から10行目 （誤） 7mm （正） 6mmExothermic reaction
Methanol reformer
Power density
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A simple electrochemical impedance spectroscopy (EIS) measurement method to characterize the influence of microstructure on the direct methanol fuel cell (DMFC) is proposed in this paper. The membrane electrode assembly (MEA) with and without the anodic micro porous layer (MPL) are evaluated respectively by EIS. The interaction of anode and cathode are on-line measured during the discharge regime of DMFC. By the separation of anode and cathode EIS, the effects of anodic MPL on the anode and cathode reaction are systematically discussed and analyzed in an operating DMFC. Moreover, the functions of anodic microstructure on the full cell impedance that correspond with the practical cell performance are interpreted reasonably.
Membrane electrode assembly
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Methanol fuel
Limiting current
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The anode catalyst of direct methanol fuel cell(DMFC)is one of the key materials for DMFC.The electrochemical activity of the catalysts affects the performance and cost of the fuel cell.The electro oxidation mechanism of DMFC anode catalyst was introduced;exiting questions and developing direction were discussed,which had excellent referenced value for studying anode catalysts of DMFC.
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Exothermic reaction
Methanol reformer
Power density
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A miniature membrane-electrode assembly (MEA) with 4 cm2 active area was fabricated by the catalyst coated membrane method.With this MEA,a single direct methanol fuel cell (DMFC) was prepared. The best operating conditions of this DMFC were investigated in detail. The results show that the cell performance is steady after being activated for 24 h in 70 ℃ hot water and depends on temperature and methanol concentration to a great extent. For example, the best methanol concentration is 1.5 mol/L at 23 ℃ and 1.0 mol/L at 60 ℃. At 80 ℃, better cell performance can be obtained with 0.2 mol/L methanol for low current density, but with 0.5 mol/L methanol for high current density. At 60 ℃, the best flow rate is 1.0 mL/min and 250 mL/min for methanol and oxygen, respectively.
Methanol reformer
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本誌第60巻第3号に掲載の伊達賢治氏，安藤慎輔氏，川内祐治氏，立川 清氏の研究論文「毛管力による液体燃料輸送とCO2ガス排出が可能なパッシブ直接メタノール形燃料電池アノード極ウィック用の金属多孔質焼結体の開発」につきまして，著者より訂正の申し出がありました．訂正箇所は下記の通りです．◆P82 右段 下から9行目 （誤） Si(OCH3)5(TEOS) （正） Si(OC2H5)4(TEOS)◆P.83 右段 上から7行目 （誤） No.5による （正） No.4による◆P.84 右段 下から3行目 式（2） (正)(誤)はpdfで表示．◆P.90 Fig.15のキャプション （誤） Fig. 15 I-V characteristics. (a) No. 1-3 by Cell 1, (b) No. 3-6 by Cell 1 with Anode airproofed, (c) No. 5 and No. 5c by Cell 1 with Anode airproofed, (c) No. 7c-9c and 5c by Cell 2. （正） Fig. 15 I-V characteristics. (a) No. 1-3 by Cell 1, (b) No. 3-6 by Cell 1 with Anode airproofed, (c) No. 4 and No. 4c by Cell 1 with Anode airproofed, (d) No. 7c-9c and 5c by Cell 2.◆P.90 右段 下から10行目 （誤） 7mm （正） 6mm
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