TY - JOUR
T1 - Optimizing performance
T2 - Achieving high capacitance and cycling durability in alkaline electrolyte with SnO2/SnSe||AC/KOH-based aqueous hybrid supercapacitor
AU - Shah, Muhammad Zia Ullah
AU - Shah, Jamal
AU - Hayat, Khizar
AU - Shah, S. K.
AU - Hussain, Iftikhar
AU - Khan, Afaq Ullah
AU - Shah, Muhammad Sanaullah
AU - Hou, Hongying
AU - Sajjad, Muhammad
AU - Al-Saeedi, Sameerah I.
AU - Shah, A.
PY - 2024/1/1
Y1 - 2024/1/1
N2 - A facile wet-chemical assisted synthesis route is adapted to prepare a novel SnO2/SnSe nanocomposite for the time to construct an aqueous asymmetric hybrid supercapacitor (AAHSC). The detailed characterization reveals the appropriate formation of micro flower-like SnO2-SnSe nanocomposite-covered with SnSe network to provide a conductive support and facilitate charge transport during the electrochemical processs. Compared with pure SnO2 micro flowers and SnSe electrodes, the SnO2-SnSe nanocomposite electrode delivers a brilliant charge storage performance. A rapid charge transport pathways was accomplished due to the lowest charge transfer resistance, resulting in a high capacitance and improved charge storage properties in an aqueous alkaline electrolyte solution with incredible reversibility and rate capability. Inspired by the excellent charge storage and capacitive properties, a two-cell mode-based AAHSC was built with SnO2-SnSe nanocomposite (cathode) and activated carbon (AC) as an anode (symbolized as SnO2-SnSe||AC/KOH) displayed the highest energy of 33.4 Wh/kg at a maximum power of 4003.7 W/kg, operating in a voltage of 1.6 V with excellent cycling stability of 89.5 %. © 2023 Published by Elsevier Ltd.
AB - A facile wet-chemical assisted synthesis route is adapted to prepare a novel SnO2/SnSe nanocomposite for the time to construct an aqueous asymmetric hybrid supercapacitor (AAHSC). The detailed characterization reveals the appropriate formation of micro flower-like SnO2-SnSe nanocomposite-covered with SnSe network to provide a conductive support and facilitate charge transport during the electrochemical processs. Compared with pure SnO2 micro flowers and SnSe electrodes, the SnO2-SnSe nanocomposite electrode delivers a brilliant charge storage performance. A rapid charge transport pathways was accomplished due to the lowest charge transfer resistance, resulting in a high capacitance and improved charge storage properties in an aqueous alkaline electrolyte solution with incredible reversibility and rate capability. Inspired by the excellent charge storage and capacitive properties, a two-cell mode-based AAHSC was built with SnO2-SnSe nanocomposite (cathode) and activated carbon (AC) as an anode (symbolized as SnO2-SnSe||AC/KOH) displayed the highest energy of 33.4 Wh/kg at a maximum power of 4003.7 W/kg, operating in a voltage of 1.6 V with excellent cycling stability of 89.5 %. © 2023 Published by Elsevier Ltd.
KW - Aqueous hybrid asymmetric supercapacitor
KW - Cycling stability
KW - SnO2-SnSe nanocomposite
KW - SnSe
KW - Wet-chemical synthesis
UR - http://www.scopus.com/inward/record.url?scp=85177483301&partnerID=8YFLogxK
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85177483301&origin=recordpage
U2 - 10.1016/j.est.2023.109662
DO - 10.1016/j.est.2023.109662
M3 - RGC 21 - Publication in refereed journal
SN - 2352-152X
VL - 75
JO - Journal of Energy Storage
JF - Journal of Energy Storage
M1 - 109662
ER -