title: Template-free synthesis of renewable macroporous carbon via yeast cells for high-performance supercapacitor electrode materials.
abstract: The urgent need for sustainable development has forced material scientists to explore novel materials for next-generation energy storage devices through a green and facile strategy. In this context, yeast, which is a large group of single cell fungi widely distributed in nature environments, will be an ideal candidate for developing effective electrode materials with fascinating structures for high-performance supercapacitors. With this in mind, herein, we present the first example of creating three-dimensional (3D) interpenetrating macroporous carbon materials via a template-free method, using the green, renewable, and widespread yeast cells as the precursors. Remarkably, when the as-prepared materials are used as the electrode materials for supercapacitors, they exhibit outstanding performance with high specific capacitance of 330 F g(-1) at a current density of 1 A g(-1), and good stability, even after 1000 charge/discharge cycles. The approach developed in this work provides a new view of making full use of sustainable resources endowed by nature, opening the avenue to designing and producing robust materials with great promising applications in high-performance energy-storage devices.
authors: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, People's Republic of China.
authors: Hongmei
authors: H
authors: Sun
authors: Wenhui
authors: W
authors: He
authors: Chenghua
authors: C
authors: Zong
authors: Lehui
authors: L
authors: Lu
mesh_terms: D002244:Carbon / Q000737:chemistry*; D025802:Electric Capacitance; D004563:Electrochemistry / Q000379:methods*; D004566:Electrodes; D015003:Yeasts
chemical_list: D002244:Carbon