title: Asymmetric Paper Supercapacitor Based on Amorphous Porous Mn3O4 Negative Electrode and Ni(OH)2 Positive Electrode: A Novel and High-Performance Flexible Electrochemical Energy Storage Device.
abstract: Here we synthesize novel asymmetric all-solid-state paper supercapacitors (APSCs) based on amorphous porous Mn3O4 grown on conducting paper (NGP) (Mn3O4/NGP) negative electrode and Ni(OH)2 grown on NGP (Ni(OH)2/NGP) as positive electrode, and they have attracted intensive research interest owing to their outstanding properties such as being flexible, ultrathin, and lightweight. The fabricated APSCs exhibit a high areal Csp of 3.05 F/cm3 and superior cycling stability. The novel asymmetric APSCs also exhibit high energy density of 0.35 mW h/cm3, high power density of 32.5 mW/cm3, and superior cycling performance (<17% capacitance loss after 12,000 cycles at a high scan rate of 100 mV/s). This work shows the first example of amorphous porous metal oxide/NGP electrodes for the asymmetric APSCs, and these systems hold great potential for future flexible electronic devices.
authors.affiliation: MOE Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, No. 135 Xinguang Road, Guangzhou 510275, China.
authors.forename: Jin-Xian
authors.initials: JX
authors.lastname: Feng
authors.affiliation: MOE Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, No. 135 Xinguang Road, Guangzhou 510275, China.
authors.forename: Sheng-Hua
authors.initials: SH
authors.lastname: Ye
authors.affiliation: MOE Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, No. 135 Xinguang Road, Guangzhou 510275, China.
authors.forename: Xue-Feng
authors.initials: XF
authors.lastname: Lu
authors.affiliation: MOE Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, No. 135 Xinguang Road, Guangzhou 510275, China.
authors.forename: Ye-Xiang
authors.initials: YX
authors.lastname: Tong
authors.affiliation: MOE Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, No. 135 Xinguang Road, Guangzhou 510275, China.
authors.forename: Gao-Ren
authors.initials: GR
authors.lastname: Li
keywords: amorphous Mn3O4; asymmetric supercapacitor; flexible; negative electrode; paper-based; porous structure