期刊论文

【摘要】

Electrically conductive composite bipolar plates consisting of resole-typed phenol formaldehyde resin and natural flake graphite (NFG) have been fabricated by compression molding technique at room temperature. The aim of this study is to investigate the effects of NFG content, molding pressure, and nano-sized carbon black (NCB) on the properties of composite bipolar plates. The NFG/resin composite plates have been studied for various properties including electrical, mechanical, and thermal properties. It has been observed that the composite plates prepared at NFG content of 45 wt%, NCB content of 4.5 wt%, and molding pressure of 15 MPa have optimum properties. Under optimal conditions, bipolar plates showed better properties at bulk density 1.79 g/cc, electrical conductivity 358 S/cm, flexural strength 29.3 MPa, compressive strength 43.6 MPa, water absorption 0.34% and surface microhardness 72.6 HV. Additionally, the plates were thermally stable up to 300°C. Hence, NFG/resin composites successfully fulfil the DOE-2015 requirements for bipolar plates in PEM fuel cells.

【授权许可】

Unknown
© 2016 SAGE Publications Ltd

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Advanced Composites Letters
Synthesis and Properties of Highly Conducting Natural Flake Graphite/Phenolic Resin Composite Bipolar Plates for Pem Fuel Cells
Article
Rajeev K. Gautam¹ Kamal K. Kar²
[1]Advanced Nano Engineering Materials Laboratory, Materials Science Programme, Indian Institute of Technology, Kanpur 208016, India
[2]Advanced Nano Engineering Materials Laboratory, Materials Science Programme, Indian Institute of Technology, Kanpur 208016, India
[3]Advanced Nano Engineering Materials Laboratory, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur 208016, India
关键词: Resin composites; natural flake graphite; bipolar plates; mechanical strength; fuel cells;
DOI : 10.1177/096369351602500402
received in 2015-03-17, accepted in 2016-05-04, 发布年份 2016
来源: Sage Journals
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【 摘 要 】

【 授权许可】

【 预 览 】

【 图 表 】

【 参考文献 】

【摘要】

【授权许可】

【预览】

【图表】

【参考文献】