Electrochemical hydrogen flow rate control system

Details Electrochemical hydrogen flow rate control system Electrochemical hydrogen flow rate control system

2006-04-18

2006-04-18

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S047000, C429S047000, C423S44500R

Reexamination Certificate

active

07029782

ABSTRACT:
An electrochemical hydrogen flow rate control system is provided. The system has an electrochemical cell and a hydrogen flow rate control unit. The electrochemical cell includes a first electrode for generating protons (H+), a second electrode for converting the protons generated by said first electrode into hydrogen gas, and a proton conductive solid electrolyte membrane held between said first and second electrodes. The hydrogen flow rate control unit is adapted to generate a specific amount of hydrogen gas on the second electrode side. The proton conductive solid electrolyte membrane is made from a fullerene derivative obtained by introducing proton dissociative groups in carbon atoms of fullerene molecules. Such a control system is operable even in a non-humidified atmosphere and at room temperature and is configurable as lightweight and compact in system design.

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patent: 2004/0253494 (2004-12-01), Maruyama et al.
patent: WO 03/025251 (2003-03-01), None
H.W. Kroto et al., C60: Buckminsterfullerene, Nov. 1985, Nature v. 318, pp. 162-163.
Long Y. Chiang et al.,Multi-hydroxy Additions onto C60Fullerene Molecules, J. Chem. Soc., 1992 pp. 1791-1793.
Long Y. Chiang et al.,Efficient Synthesis of Polyhydroxylated Fullerene Derivatives via Hydrolysis of Polycyclosulfated Precursors, American Chem. Society, 1994, pp. 3960-3969.

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