Bamboo-templated MOF-67-derived carbon: A high-performance electrode for supercapacitors
Industrial Crops and Products, ISSN: 0926-6690, Vol: 222, Page: 119616
2024
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New Industrial Crops and Products Study Results Reported from Nanjing Forestry University (Bamboo-templated Mof-67-derived Carbon: a High-performance Electrode for Supercapacitors)
2024 DEC 16 (NewsRx) -- By a News Reporter-Staff News Editor at Agriculture Daily -- Research findings on Agriculture - Industrial Crops and Products are
Article Description
Carbon-based supercapacitors are highly regarded for their high specific power and long cycle life. However, they often face the challenge of low specific energy and difficulty in simultaneously improving both specific energy and specific power. In this study, a high-performance composite electrode was prepared using the cross-section of bamboo as raw material, followed by KOH activation, in-situ growth of ZIF-67, and carbonization. The bamboo-derived porous carbon showed significant improvement in performance indicators such as specific capacitance and energy density. Electrochemical characterization in a three-electrode system showed that at a current density of 1 mA cm −2, our composite electrode material achieved a peak specific capacitance of 24.7 F cm −2. When assembled into a symmetric supercapacitor, it can provide an energy density of 1.00 mWh cm −2 at a power density of 2.49 mW cm −2. Notably, at a substantial current density of 30 mA cm −2, the electrode maintained a capacitance retention of 96.2 % after 10,000 cycles. These results not only highlight the potential of bamboo-derived porous carbon but also point to a broad avenue for the preparation of energy storage devices by combining MOFs with bamboo.
Bibliographic Details
Elsevier BV
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