首页|High-Performance and Flexible Co-Planar Integrated Microsystem of Carbon-Based All-Solid-State Micro-Supercapacitor and Real-Time Temperature Sensor

High-Performance and Flexible Co-Planar Integrated Microsystem of Carbon-Based All-Solid-State Micro-Supercapacitor and Real-Time Temperature Sensor

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With the rapid development of flexible and portable microelectronics,the extreme demand for miniaturized,mechanically flexible,and integrated microsystems are strongly stimulated.Here,biomass-derived carbons(BDCs)are prepared by KOH activation using Qamgur precursor,exhibiting three-dimensional(3D)hierarchical porous structure.Benefiting from unobstructed 3D hierarchical porous structure,BDCs provide an excellent specific capacitance of 433 F g1 and prominent cyclability without capacitance degradation after 50 000 cycles at 50 A g1.Furthermore,BDC-based planar micro-supercapacitors(MSCs)without metal collector,prepared by mask-assisted coating,exhibit outstanding areal-specific capacitance of 84 mF cm-2 and areal energy density of 10.6 pWh cm-2,exceeding most of the previous carbon-based MSCs.Impressively,the MSCs disclose extraordinary flexibility with capacitance retention of almost 100％under extreme bending state.More importantly,a flexible planar integrated system composed of the MSC and temperature sensor is assembled to efficiently monitor the temperature variation,providing a feasible route for flexible MSC-based functional micro-devices.

3D hierarchical porous carbonbiomass-derived carbonintegrated microsystemmicro-supercapacitorstemperature sensor

Dongming Liu、Jiaxin Ma、Shuanghao Zheng、Wenlong Shao、Tianpeng Zhang、Siyang Liu、Xigao Jian、Zhongshuai Wu、Fangyuan Hu

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School of Materials Science and Engineering,State Key Laboratory of Fine Chemicals,School of Polymer Materials,Dalian University of Technology,Dalian 116024,China

State Key Laboratory of Catalysis,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China

University of Chinese Academy of Sciences,Beijing 100049,China

Dalian National Laboratory for Clean Energy,Chinese Academy of Sciences,Dalian 116023,China

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Liao Ning Revitalization Talents ProgramDalian Youth Science and Technology Star Project Support ProgramNational Key Research and Development Program of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaLiaoning BaiQianWan Talents ProgramDalian Innovation Support Plan for High Level TalentsDalian National Laboratory For Clean Energy(DNL)CAS,DNL Cooperation Fund,CASCAS,DNL Cooperation Fund,CASCAS,DNL Cooperation Fund,CASCAS,DNL Cooperation Fund,CASDICPDICPJoint Fund of the Yulin UniversityDalian National Laboratory for Clean EnergyDalian National Laboratory for Clean Energy

XLYC19071442017RQ1042020YFB0311600221259035187228322075279XLYC18071532019RT09DNL201912DNL201915DNL202016DNL202019DICP ZZBS201802DICP I2020032YLU-DNL Fund 20210022021009

2023

10.1002/eem2.12445

能源与环境材料(英文)

能源与环境材料(英文)

CSCD
ISSN：
年,卷(期)：2023.6(6)
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