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Citation: LV Lu-Ping, WANG Xin, LU Tian-Hong, TANG Ya-Wen, YANG Chun. Preparation of SiW₁₁Sn-SBA-15 Supported Pd Catalyst and its Electrocatalytic Performance in Oxidation of Formic Acid[J]. Chinese Journal of Applied Chemistry, ;2008, 25(10): 1197-1200. shu

Preparation of SiW₁₁Sn-SBA-15 Supported Pd Catalyst and its Electrocatalytic Performance in Oxidation of Formic Acid

1.
School of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097

Corresponding author: YANG Chun,
Received Date: 29 September 2007
Available Online: 20 January 2008
Fund Project: 科技部"八六三"计划(2006AA05Z137,2007AA05Z143,2007AA05Z159) (2006AA05Z137,2007AA05Z143,2007AA05Z159)国家自然科学基金(20573057) (20573057)江苏省自然科学基金(BK2006224) (BK2006224)江苏省教育厅自然科学基金(05KJB150061)资助项目 (05KJB150061)

K₆SiW₁₁O₃₉Sn^Ⅱ(SiW₁₁Sn) was prepared and fixed on the mesoporous molecular sieve of SiO₂(SBA-15),and SiW₁₁Sn-SBA-15 composite was obtained.Using the liquid phase reduction method,SiW₁₁Sn-SBA-15 supported Pd(Pd/SiW₁₁Sn-SBA-15) catalyst as the anodic catalyst in the direct formic acid fuel cell(DFAFC) was prepared.It was found that the electrocatalytic activity and stability of the Pd/SiW₁₁Sn-SBA-15 catalyst for the oxidation of formic acid are better than that of the Pd/C catalyst,although the average size of the particles and the Pd content in the two catalysts were similar.This is because that formic acid is oxidized at the Pd/SiW₁₁Sn-SBA-15 catalyst mainly through the expected direct pathway due to the dehydrogen action of SiW₁₁Sn.
- polyoxometalate,
- direct formic acid fuel cell,
- Pd,
- mesoporous molecular sieve
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通讯作者: 陈斌, bchen63@163.com

Preparation of SiW₁₁Sn-SBA-15 Supported Pd Catalyst and its Electrocatalytic Performance in Oxidation of Formic Acid