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| Research on the Development Trend of Patents for Biomass High-temperature Thermochemical Conversion Hydrogen Production in China |
| Received:November 26, 2024 Revised:December 24, 2024 |
| DOI：10.11981/j.issn.1000-6842.2025.02.43 |
| Key Words:biomass hydrogen production;thermochemical method;high-temperature conversion;patent analysis |
| Author Name | Affiliation | Postcode | | YANG Zhan* | China Institute of Nuclear Industry Strategy， Beijing， 100048 | 100048 | | XUE Yue | China Institute of Nuclear Industry Strategy， Beijing， 100048 | 100048 | | YIN Kedi | China Institute of Nuclear Industry Strategy， Beijing， 100048 | 100048 | | MIAN Boya | China Institute of Nuclear Industry Strategy， Beijing， 100048 | 100048 | | YANG Anqi | China Institute of Nuclear Industry Strategy， Beijing， 100048 | 100048 | | LUO Min | China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102 | 100102 |
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| Abstract: |
| Through thermochemical conversion technologies such as high-temperature gasification and pyrolysis， biomass resources can be converted into hydrogen-rich syngas. Through further purification and separation， clean and efficient hydrogen production can be achieved. To gain insights into the research hotspots and innovative breakthroughs in biomass high-temperature thermochemical conversion hydrogen production technology， this study conducted a classified search of relevant domestic patent applications from the perspective of technical patents， focusing on patent application quantity， application types， key innovative entities， and their geographical distribution. The development trends， layout status， and research characteristics of domestic patents in biomass high-temperature thermochemical conversion hydrogen production technology were analyzed. The results showed that since 2021， the trend of patent applications for related biomass hydrogen production technologies in China had shown a steady upward trend. The industrial layout had developed into a situation of multi-regional distribution and multi-entity participation， with the main innovative entities in patent applications originating from regions such as Beijing， Jiangsu province， and Guangdong province. Relevant enterprises and research institutions had achieved significant breakthroughs in technology optimization and process integration for biomass high-temperature thermochemical conversion hydrogen production， forming a patent layout closely linked with national policy support and local traditional industries. |
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