首页|High-energy fiber-shaped calcium-ion batteries enable integrated wearable electronics for human body monitoring

High-energy fiber-shaped calcium-ion batteries enable integrated wearable electronics for human body monitoring

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Electronic textiles hold the merits of high conformability with the human body and natural surrounding,possessing large market demand and wide application foreground in smart wearable and portable devices.However,their further application is largely hindered by the shortage of flexible and stable power sources with multifunctional designability.Herein,a free-standing ZnHCF@CF electrode(ZnHCF grown on carbon nanotube fiber)with good mechanical deformability and high electrochemical perfor-mance for aqueous fiber-shaped calcium ion battery(FCIB)is reported.Benefiting from the unique Ca2+/H+co-insertion mechanism,the ZnHCF@CF cathode can exhibit great ion storage capability within a broadened voltage window.By pairing with a polyaniline(PANI)@CF anode,a ZnHCF@CF//PANI@CF FCIB is successfully fabricated,which exhibits a desirable volumetric energy density of 43.2 mWh cm-3 and maintains superior electrochemical properties under different deformations.Moreover,the high-energy FCIB can be harmoniously integrated with a fiber-shaped strain sensor(FSS)to achieve real-time physiological monitoring on knees during long-running,exhibiting great promise for the prac-tical application of electronic textiles.

Human body monitoringWearable electronicsCalcium-ion batteryHigh volumetric energy densityStrain sensors

Yanyan Liu、Bing He、Jie Pu、Minxing Yu、Yifu Zhang、Changgong Meng、Qichong Zhang、Jian Wu、Lei Wei、Zhenghui Pan

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State Key Laboratory of Fine Chemicals,School of Chemistry,Dalian University of Technology,Dalian 116024,Liaoning,China

School of Electrical and Electronic Engineering,Nanyang Technological University,Singapore 639798,Singapore

School of Materials Science and Engineering,Tongji University,Shanghai 201804,China

Key Laboratory of Multifunctional Nanomaterials and Smart Systems,Suzhou Institute of Nano-Tech and Nano-Bionics,Chinese Academy of Sciences,Suzhou 215123,Jiangsu,China

College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha 410073,Hunan,China

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2024

10.1016/j.jechem.2024.08.014

能源化学
中国科学院大连化学物理研究所 中国科学院成都有机化学研究所

能源化学

CSTPCDEI
影响因子：0.654
ISSN：2095-4956
年,卷(期)：2024.99(12)