Electrode engineering starting from live biomass: a 'smart' way to construct smart pregnant hybrids for sustainable charge storage devices. (18th March 2019)

• Record Type: Journal Article
• Authors: Jiang, Jian; Liu, Siyuan; Liu, Yani; Meng, Ting; Ma, Lai; Zhang, Han; Xu, Maowen; Zhu, Jianhui; Li, Chang Ming
• Is Part Of: Materials chemistry frontiers. Volume 3:Number 5(2019)
• Page Start: 796
• Page End: 805
• Publication Date: 2019-03-18
• Subjects: Materials science -- Periodicals; Chemistry -- Periodicals; 540
• DOI: 10.1039/c9qm00019d
• Languages: English
• ISSNs: 2052-1529

Abstract

Abstract : Electrode engineering beginning from live biomass is confirmed as a 'smart' way to construct smart hybrids for sustained charge storage. Abstract : Evolving the use of rich/renewable biomass into useful electrodes is never out-of-date for sustained energy storage utilization. Despite the fact that scalable electrode fabrication can be achieved by a general strategy of 'direct calcination and then combination with extra active components', making bio-derived electrodes with smart pregnant hybrid architectures in a controlled way still remains challenging. Here, we propose a preferable electrode manufacturing protocol, by initiating the engineering with fresh biomaterials via facile biochemical routes. As a paradigm study, fresh tiny yeasts are chosen as the raw material to build functionalized hybrid electrodes of Fe3 O4 @yeast-evolved carbon (Fe3 O4 @YE-C), which can serve as prominent anodes for high-rate charge storage devices. Systematic studies verify that the reaction time plays a key role in forming such integrated hybrid configurations. The optimal synergistic cooperation between the outer YE-C 'reactor' and inner Fe3 O4 'nanoactives' endows the electrodes with outstanding anodic behaviors, comprising remarkable specific capacity, prolonged cycle lifetime and superb rate capability in either half-cell or full-cell aqueous systems. Our present work confirms the feasibility of engineering electrodes starting from live biomass, thus offering a sustainable and superior route to develop advanced and applicable charge storage devices.