CoFe2O4@multi-walled carbon nanotubes integrated composite with nanosized architecture as a cathode material for high performance rechargeable lithium-oxygen battery

2017 ◽  
Vol 695 ◽  
pp. 3435-3444 ◽  
Author(s):  
Zheng Huang ◽  
Bo Chi ◽  
Li Jian ◽  
Sun Youyi ◽  
Yaqing Liu
Keyword(s):  
Carbon Nanotubes ◽  
Cathode Material ◽  
High Performance ◽  
Multi Walled Carbon Nanotubes ◽  
Lithium Oxygen Battery ◽  
Walled Carbon Nanotubes

Novel ionic bioartificial muscles based on ionically crosslinked multi-walled carbon nanotubes-mediated bacterial cellulose membranes and PEDOT:PSS electrodes

2021 ◽  
Author(s):  
Yaofeng Wang ◽  
Fan Wang ◽  
Yang Kong ◽  
Lei Wang ◽  
Qinchuan Li
Keyword(s):  
Carbon Nanotubes ◽  
Bacterial Cellulose ◽  
Specific Capacitance ◽  
High Performance ◽  
Low Cost ◽  
Actuation Voltage ◽  
Fast Response ◽  
Bending Deformation ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Abstract High-performance bioartificial muscles with low-cost, large bending deformation, low actuation voltage, and fast response time have drawn extensive attention as the development of human-friendly electronics in recent years. Here, we report a high-performance ionic bioartificial muscle based on the bacterial cellulose (BC)/ionic liquid (IL)/multi-walled carbon nanotubes (MWCNT) nanocomposite membrane and PEDOT:PSS electrode. The developed ionic actuator exhibits excellent electro-chemo-mechanical properties, which are ascribed to its high ionic conductivity, large specific capacitance, and ionically crosslinked structure resulting from the strong ionic interaction and physical crosslinking among BC, IL, and MWCNT. In particular, the proposed BC-IL-MWCNT (0.10 wt%) nanocomposite exhibited significant increments of Young's modulus up to 75% and specific capacitance up to 77%, leading to 2.5 times larger bending deformation than that of the BC-IL actuator. More interestingly, bioinspired applications containing artificial soft robotic finger and grapple robot were successfully demonstrated based on high-performance BC-IL-MWCNT actuator with excellent sensitivity and controllability. Thus, the newly proposed BC-IL-MWCNT bioartificial muscle will offer a viable pathway for developing next-generation artificial muscles, soft robotics, wearable electronic products, flexible tactile devices, and biomedical instruments.

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