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In recent years, portable wearable electronic devices have developed rapidly, but their energy supply has the possibility of safety accidents, such as the wearable power supply being compressed, bent, cut, leaked, and caught on fire
.
Therefore, it is very important to develop an energy supply system that can be used safely
The team of Zhou Xiaochun, a researcher at the Suzhou Institute of Nanotechnology and Nanobionics, Chinese Academy of Sciences, has made a series of progress in key materials and technologies for flexible fuel cells: the development of flexible ordered and highly conductive electrodes [ACS Nano, 2017, 11(6), 5982-5991] , Portable Flexible Hydrogen Production [Journal of the American Chemical Society, 2017, 139(40), 14277-14284, Chemical Science, 2017, 8, 7498-7504, ACS Applied Materials & Interfaces, 2020, 12(4), 4473 -4481], development of flexible ultra-thin gas diffusion layers (Journal of Materials Chemistry A, 2020, 8, 5986-5994), all-solid-state direct methanol fuel cells (Journal of Power Sources, 2020, 450, 227669), flexible conductive mechanism [ Chinese Chemical Letters, 2019, 30(6), 1282-1288], and high-safety flexible fuel cells, etc.
(Advanced Energy Materials, 2021, 2103178)
.
Recently, the scientific research team synthesized and applied a new type of composite material of agar gel and wood sponge, namely gel/sponge composite material, and developed a safe, durable, adaptable and excellent flexible self-breathing direct methanol fuel.
battery (DMFC)
.
Due to its unique composition and structure, the new composite material has the advantages of fast absorption speed (about 10s absorption saturation), good cycle performance (cycle times > 10 times), high methanol absorption rate (> 5.
-2
The related research results were published in Advanced Energy Materials under the title of Highly Safe, Durable, Adaptable, and Flexible Fuel Cell Using Gel/Sponge Composite Material
.
The research work has been funded by the National Key R&D Program and the National Natural Science Foundation of China
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Figure 2.
Figure 3.