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安徽农业大学在柔性压力传感器方面取得重要进展,助力智能家居及健康监测应用

  • 2026-02-09 03:08:35
安徽农业大学在柔性压力传感器方面取得重要进展,助力智能家居及健康监测应用

近日,安徽农业大学材料与化学学院安徽省健康睡眠家居产品工程中心陈玉霞教授团队在《Advanced Science》(中科院一区TOP期刊,IF=15.6)发表了题为 “Biomimetic Multiscale-Structured Biomass Graphene/Polyurethane Sponge Composite for Flexible Pressure Sensors and Intelligent Cushioning Materials”的最新研究成果,报道了在生物质基海绵柔性压力传感器方面的重要进展。

随着智能家居的普及,传统柔性传感器在灵敏度、耐用性及舒适性方面的局限性日益凸显,并且传统石化基电子器件面临资源消耗与环境污染的挑战。开发兼具舒适支撑、高性能感知与绿色环保特性的柔性传感器,已成为智能软体家具领域的迫切需求。

针对这一难题,安徽农业大学陈玉霞教授团队受生物结构启发,提出并制备了一种具有“双网络结构”的绿色柔性传感器。团队首先通过催化石墨化与CNF辅助剥离技术,从丝瓜藤中制备出高质量纳米石墨片作为绿色导电介质;随后利用浸涂与冷冻自组装技术,在聚氨酯海绵骨架内构建出互锁的三维生物质石墨烯气凝胶网络。

研究表明,这种独特的仿生双网络结构极大地优化了材料的“电-力耦合”行为:在低中压范围内,通过接触电阻的分阶段激活机制,显著提升了传感器的灵敏度与线性响应;在高压范围内,则转变为由渗流—几何效应主导的本征压阻行为。新型传感器不仅具备高灵敏度(0.821 kPa⁻¹)、宽量程(242 kPa)和优异的循环稳定性(>30,000次),还兼具可水洗、阻燃、高透气及宽带吸声等多功能特性。基于该压力传感器构建的智能床垫系统,成功实现了对人体体压分布的实时可视化监测、睡姿自动识别、褥疮风险预警以及床板角度调节的智能反馈,充分展示了其在智能家居与健康监测领域的广阔应用前景。

安徽农业大学为本研究的唯一通讯单位。材料与化学学院博士生徐润民、曹浦森,硕士生张婷婷及博士后魏洁为论文共同第一作者,陈玉霞教授为通讯作者,郭勇教授为共同通讯作者。该研究得到了学校安徽省健康睡眠家居产品工程研究中心及林业工程学科平台的大力支持,并获得国家自然科学基金、安徽省自然科学基金、安徽省研究生联合培养示范基地项目、安徽省研究生教育质量工程项目、国家级大学生创新创业项目、安徽省名师工作室项目、安徽省新兴产业项目等多项资助。

延伸阅读:

《印刷和柔性传感器技术及市场-2024版》

《迈来芯MEMS绝对压力传感器MLX90834产品分析》

《博世气压传感器BMP581产品分析》
《安费诺NovaSensor压力传感器芯片P883产品分析》
《First Sensor工业级STARe压力传感器芯片产品分析》
《Merit Sensor压力传感器及MEMS芯片产品分析》

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  1. CONNECT:[ UseTime:0.000765s ] mysql:host=127.0.0.1;port=3306;dbname=h_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000847s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000283s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000265s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000441s ]
  6. SELECT * FROM `set` [ RunTime:0.000243s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000579s ]
  8. SELECT * FROM `article` WHERE `id` = 470252 LIMIT 1 [ RunTime:0.000419s ]
  9. UPDATE `article` SET `lasttime` = 1770808425 WHERE `id` = 470252 [ RunTime:0.016845s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000274s ]
  11. SELECT * FROM `article` WHERE `id` < 470252 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000513s ]
  12. SELECT * FROM `article` WHERE `id` > 470252 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003277s ]
  13. SELECT * FROM `article` WHERE `id` < 470252 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000766s ]
  14. SELECT * FROM `article` WHERE `id` < 470252 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001671s ]
  15. SELECT * FROM `article` WHERE `id` < 470252 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000764s ]
0.138132s