双牺牲模板法制备一维管状Pt-Mn<sub>3</sub>O<sub>4</sub>-C复合物及其优越的甲醇电催化氧化性能

引用本文: 李丽, 何小丽, 覃涛, 戴富涛, 张小华, 陈金华. 双牺牲模板法制备一维管状Pt-Mn₃O₄-C复合物及其优越的甲醇电催化氧化性能[J]. 物理化学学报, 2015, 31(5): 927-932. doi: 10.3866/PKU.WHXB201503241 shu

Citation: LI Li, HE Xiao-Li, QIN Tao, DAI Fu-Tao, ZHANG Xiao-Hua, CHEN Jin-Hua. Dual-Sacrificial Template Synthesis of One-Dimensional Tubular Pt-Mn₃O₄-C Composite with Excellent Electrocatalytic Performance for Methanol Oxidation[J]. Acta Physico-Chimica Sinica, 2015, 31(5): 927-932. doi: 10.3866/PKU.WHXB201503241 shu

双牺牲模板法制备一维管状Pt-Mn₃O₄-C复合物及其优越的甲醇电催化氧化性能

基金项目:
长江学者和创新团队发展计划(IRT1238) (IRT1238)

国家自然科学基金(21275041, 21235002, J1210040) (21275041, 21235002, J1210040)

国家自然科学基金创新研究群体科学基金(21221003) (21221003)

湖南省自然科学基金(12JJ2010) (12JJ2010)

博士学科点专项科研基金(20110161110009)资助项目 (20110161110009)

摘要:

通过双牺牲模板法合成了以一维管状Mn₃O₄-C为催化剂载体的新型Pt 基电催化剂. 催化剂的表面形貌、晶体结构及其组成分别采用透射电镜、X射线衍射仪、能量散射X射线光谱进行表征. 通过循环伏安法对Pt-Mn₃O₄-C复合物的电化学性能进行了测试. 结果表明平均粒径为1.8 nm的Pt 纳米颗粒均匀分散在管式Mn₃O₄-C载体上, 与商业的E-TEK Pt/C 催化剂(20% (w, 质量分数) Pt)相比, Pt-Mn₃O₄-C对甲醇氧化有更好的电催化活性和更高的稳定性. Pt 纳米粒子在Mn₃O₄-C上的均匀分散及Pt 和Mn₃O₄的协同催化效应使得Pt-Mn₃O₄-C具有优异的性能.

关键词:

English

Dual-Sacrificial Template Synthesis of One-Dimensional Tubular Pt-Mn₃O₄-C Composite with Excellent Electrocatalytic Performance for Methanol Oxidation

1.
State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
Received Date: 02 January 2015
Available Online: 08 May 2015
Fund Project:
长江学者和创新团队发展计划(IRT1238)

国家自然科学基金(21275041, 21235002, J1210040)

国家自然科学基金创新研究群体科学基金(21221003)

湖南省自然科学基金(12JJ2010)

博士学科点专项科研基金(20110161110009)资助项目

Abstract:

A new Pt-based electrocatalyst with one-dimensional tubular Mn₃O₄-C as the catalyst support was synthesized by a dual-sacrificial template strategy. The morphology, structure, and composition of the Pt-Mn₃O₄- C composite were characterized by transmission electron microscopy, X-ray diffraction, and energy dispersive X-ray spectroscopy, respectively. The electrochemical performance of Pt-Mn₃O₄-C was investigated by cyclic voltammetry. The results show that Pt nanoparticles with an average size of 1.8 nm are uniformly dispersed on tubular Mn₃O₄-C, and Pt-Mn₃O₄-C exhibits superior electrocatalytic activity and higher stability for methanol oxidation than the commercial E-TEK Pt/C catalyst (20% (w, mass fraction) Pt). The excellent performance of Pt-Mn₃O₄-C is attributed to the uniform dispersion of Pt nanoparticles on Mn₃O₄-C and the synergetic catalytic effect of Pt and Mn₃O₄.

Key words:

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

双牺牲模板法制备一维管状Pt-Mn₃O₄-C复合物及其优越的甲醇电催化氧化性能

English

Dual-Sacrificial Template Synthesis of One-Dimensional Tubular Pt-Mn₃O₄-C Composite with Excellent Electrocatalytic Performance for Methanol Oxidation

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

双牺牲模板法制备一维管状Pt-Mn3O4-C复合物及其优越的甲醇电催化氧化性能

English

Dual-Sacrificial Template Synthesis of One-Dimensional Tubular Pt-Mn3O4-C Composite with Excellent Electrocatalytic Performance for Methanol Oxidation

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

双牺牲模板法制备一维管状Pt-Mn₃O₄-C复合物及其优越的甲醇电催化氧化性能

Dual-Sacrificial Template Synthesis of One-Dimensional Tubular Pt-Mn₃O₄-C Composite with Excellent Electrocatalytic Performance for Methanol Oxidation

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs