Using the concept of bionicscircular economy to develop low-costhigh -performance flexible electrodesionic liquid polyelectrolytes for all solid-state flexible supercapacitors. This type of flexible electrode has excellent dimensional stabilityelectrochemical characteristics. The gel-state polyelectrolytes can be used with metal oxide electrodes to provide high scalability, low cost,high efficiency at high temperatures.

We used in-situ X-ray absorption near-edge spectroscopy to understand energy storage mechanism of the flexible all-solid-state supercapactors. Experimental results from synchrotron based X-ray techniques showed that the electrode’s structure features a 3D ant-nest-like framework composed of 2D nacre-like clay nanosheets, i.e. hierarchical layers-within-networks structure. We have also discovery a series of ionic liquid polyelectrolytes, which have good stabilityenergy storage performance in high-temperature testsrapid charge-discharge tests.

We propose an environmentally friendly, low-cost,scalable method for manufacturing structural electrodesa low-cost ionic liquid polyelectrolyte. Flexible all-solid-state supercapacitors combined with this series of polyelectrolytes have excellent performance under high temperature operation, which can solve the high temperature generated from excessive electronic devices. Our polyelectrolytes also solve safety concerns, because it is a gel state polyelectrolyte can improve electrolyte leakageother problems.

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