Polypyrrole regulates Active Sites in Co‐based Catalyst in Direct Borohydride Fuel Cells

It is shown that treatment of periodate oxycelluloses with aqueous sodium borohydride greatly diminishes their reducing power (copper number) and their fluidity in cuprammonium. These results show that the aldehyde groups in the oxycelluloses are reduced by the borohydride, and that the reduction leads to the stabilization of linkages that were rendered alkalisensitive by the presence of the aldehyde groups. The effects of varying the pH, the temperature, and the reagent concentration in the borohydride treatment have been investigated, and optimum conditions for the reduction are suggested.

Sodium borohydride

Borohydride

Periodate

Sodium periodate

Reducing agent

10.1080/19447027.1955.10750328

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Citations (35)

Borohydride reduction of periodate-oxidized nucleotides; isolation and structure of the reduction intermediate

Carbohydrate Research (1982)

L. Rosenthal Harry P. C. Hogenkamp James W. Bodley

Sodium borohydride

Periodate

Borohydride

Sodium periodate

10.1016/0008-6215(82)85009-x

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Citations (9)

Controlled growth and catalytic activity of gold monolayer protected clusters in presence of borohydride salts

Chemical Communications (2011)

Mita Dasog Wenbo Hou Robert W. J. Scott

In the presence of large excesses of borohydride salts, gold monolayer protected-clusters can be grown to larger sizes simply by controlling the amount of reducing agent added to smaller clusters. In addition, gold monolayer clusters can be used as catalysts for reduction reactions by sodium borohydride; results suggest such catalysts have sterically constrained active sites.

Sodium borohydride

Borohydride

Reducing agent

10.1039/c1cc11813g

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Citations (70)

Synthesis and Electrochemical Behavior of Tungstocobaltphosphate and Tungstonickelphosphate Containing Polypyrrole

Chinese Journal of Applied Chemistry (2000)

Sheng Wang Zeng Bai

Tungstocobaltphosphate and tungstonickelphosphate containing polypyrrole (H 3PW 11 MO 40 PPY)(M=W,Co,Ni;PPY=polypyrrole) were synthesized by electrochemical deposition and the corresponding film modified glassy carbon electrodes were prepared. The electrochemical properties of the electrodes were investigated.

Polypyrrole

Glassy carbon

Deposition

Source

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Citations (0)

Sodium borohydride determination by measurement of open circuit potentials

Journal of Electroanalytical Chemistry (2008)

Diogo M.F. Santos C. A. C. Sequeira

Borohydride

Sodium borohydride

10.1016/j.jelechem.2008.12.009