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摘要
分析近年来国内外质子交换膜氢燃料电池气体扩散层相关专利的申请情况,反映目前质子交换膜氢燃料电池气体扩散层产业的发展情况,为质子交换膜氢燃料电池气体扩散层生产技术及研发提供参考。借助Incopat数据库,利用质子交换膜氢燃料电池气体扩散层及含义相似的关键词进行公式检索,对质子交换膜氢燃料电池气体扩散层历年相关专利申请趋势、申请人、技术分布和法律状态等检索结果进行解析。结果表明:我国质子交换膜氢燃料电池气体扩散层相关专利与国外相比,虽然存在专利申请数偏低的问题,但正处于蓬勃发展的时期。我国现有的质子交换膜氢燃料电池气体扩散层相关专利申请的关键核心技术偏少、专利转化率低,有较大的创新和发展空间。针对质子交换膜氢燃料电池气体扩散层相关专利申请存在的问题,应加强质子交换膜氢燃料电池气体扩散层相关生产技术创新,提高质子交换膜氢燃料电池气体扩散层的质量,加大高质量产品的开发投入,提高科技成果转化率,加快质子交换膜氢燃料电池气体扩散层相关企业的专利布局。
Abstract
By analyzing the application status of patents related to gas diffusion layer in proton exchange membrane hydrogen fuel cell at home and abroad in recent years,this article reflected the current development state of gas diffusion layer industry of proton exchange membrane hydrogen fuel cell,and provided reference for the production technology and research and development of gas diffusion layer in proton exchange membrane hydrogen fuel cell.With the help of Incopat database,the gas diffusion layer in proton exchange membrane hydrogen fuel cell and similar meaning words were used as the keywords to conduct formula search,and the search results of related patentcation trend,applicants,technical distribution and legal status of the gas diffusion layer in proton exchange membrane hydrogen fuel cell over the years were analyzed.The results showed that,compared with foreign countries,the patents related to the gas diffusion layer of proton exchange membrane hydrogen fuel cell in China were in a period of vigorous development,although the number of patent applications was low.In China,there were few key core technologies and low patent conversion rate in the existing patent applications related to the gas diffusion layer of proton exchange membrane hydrogen fuel cells,and there was a large room for innovation and development.Conclusion in view of the problems existing in the patent application for the gas diffusion layer of proton exchange membrane hydrogen fuel cell,it was necessary to strengthen the innovation in production technology,improve the quality of the gas diffusion layer of proton exchange membrane hydrogen fuel cell,increase the investment in the development of high-quality products,raise the conversion rate of scientific and technological achievements,and accelerate the patent layout of the enterprises related to the gas diffusion layer of proton exchange membrane hydrogen fuel cell.
关键词
质子交换膜
/
氢燃料电池
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气体扩散层
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科技成果转化率
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专利布局
Key words
proton exchange membrane
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hydrogen fuel cell
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gas diffusion layer
/
conversion rate of scientific and technological achievements
/
patent layout
基于专利分析研究质子交换膜氢燃料电池气体扩散层发展态势[J].
化工新型材料, 2023, 51(12): 31-38 DOI:10.19817/j.cnki.issn1006-3536.2023.12.039
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