Facile preparation of Pd/graphite nanoplate composites for electrocatalytic oxidation of methanol

ZHU Ruizhi; ZHOU Yang; XIA Tiantian; LIU Zhihua; WANG Kunmiao; CHANG Gang; CAI Zhiwei; CAO Ribing; HE Yunbin

doi:10.11949/j.issn.0438-1157.20170325

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Facile preparation of Pd/graphite nanoplate composites for electrocatalytic oxidation of methanol

更新时间：2025-12-10

- Facile preparation of Pd/graphite nanoplate composites for electrocatalytic oxidation of methanol
- CIESC Journal Issue 11, Pages: 4398-4406(2017)
- 作者机构：
  
  1. 云南省烟草化学重点实验室, 云南中烟工业有限责任公司技术中心,云南,昆明,650221
  2. 湖北大学材料科学与工程学院,湖北,武汉,430062
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170325
  CLC： Q151.4
- Online First：05 November 2017，
  
  Published：05 November 2017
- 稿件说明：
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ZHU Ruizhi, ZHOU Yang, XIA Tiantian, et al. Facile preparation of Pd/graphite nanoplate composites for electrocatalytic oxidation of methanol[J]. CIESC Journal, 2017, (11): 4398-4406.
DOI：

ZHU Ruizhi, ZHOU Yang, XIA Tiantian, et al. Facile preparation of Pd/graphite nanoplate composites for electrocatalytic oxidation of methanol[J]. CIESC Journal, 2017, (11): 4398-4406. DOI： 10.11949/j.issn.0438-1157.20170325.

摘要

用改进的Hummers方法和机械剥离法制备纳米石墨片，以硼氢化钠为还原剂，采用一步法制备蠕虫状Pd纳米颗粒/纳米石墨片。结果表明这种新型的纳米石墨片的制备方法简单快速、温和高效。11.5 nm的Pd纳米颗粒能良好地分散在纳米石墨片上，且复合材料在碱性条件下对甲醇具有良好的催化活性和抗毒化性能，比相同条件下制备出的Pd负载在传统的改进Hummers方法制备的氧化石墨烯和商业炭黑Vulcan XC-72的催化性能更佳。

Abstract

Graphite nanoplates were prepared by combining the modified Hummers and mechanical stripping method. Pd nanoparticles supported on graphite nanoplates were successfully synthesized by a simple one-step reduction method with sodium borohydride as the reducing agent. The results show that this new method for the preparation of graphite nanoplates is simple

fast and efficient. Pd nanoparticles with an average size of 11.5 nm are well dispersed on the surface of graphite nanoplates. The composite materials exhibited excellent catalytic activity and poison resistance for the electro-oxidation of methanol in alkaline medium

superior to the Pd supported on the reduced graphene oxide prepared by traditional modified Hummers method and commercial carbon black Vulcan XC-72

respectively.

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