Asset Details
Do you wish to reserve the book?
ZnxMnO2/PPy Nanowires Composite as Cathode Material for Aqueous Zinc‐Ion Hybrid Supercapacitors
Hey, we have placed the reservation for you!
By the way, why not check out events that you can attend while you pick your title.
Oops! Something went wrong.
Looks like we were not able to place the reservation. Kindly try again later.
Are you sure you want to remove the book from the shelf?
ZnxMnO2/PPy Nanowires Composite as Cathode Material for Aqueous Zinc‐Ion Hybrid Supercapacitors
Do you wish to request the book?
ZnxMnO2/PPy Nanowires Composite as Cathode Material for Aqueous Zinc‐Ion Hybrid Supercapacitors
Please be aware that the book you have requested cannot be checked out. If you would like to checkout this book, you can reserve another copy
We have requested the book for you!
Your request is successful and it will be processed during the Library working hours. Please check the status of your request in My Requests.
Oops! Something went wrong.
Looks like we were not able to place your request. Kindly try again later.
Journal Article
ZnxMnO2/PPy Nanowires Composite as Cathode Material for Aqueous Zinc‐Ion Hybrid Supercapacitors
2024
Overview
Over the past decade, the extensive consumption of finite energy resources has caused severe environmental pollution. Meanwhile, the promotion of renewable energy sources is limited by their intermittent and regional nature. Thus, developing effective energy storage and conversion technologies and devices holds considerable importance. Zinc‐ion hybrid supercapacitors (ZISCs) merge the beneficial aspects of both supercapacitors and batteries, rendering them an exceptionally promising energy storage method. As an important cathode material for ZISCs, the tunnel structure MnO2 has poor conductivity and structural stability. Herein, the ZnxMnO2/PPy (ZMOP) electrode materials are prepared by hydrothermal method. Doping with Zn2+ is used to enhance its structural stability, while adding polypyrrole to improve its conductivity. Therefore, the fabricated ZMOP cathode presents superb specific capacity (0.1 A g−1, 156.4 mAh g−1) and remarkable cycle performance (82.6%, 5000 cycles, 0.2 A g−1). Furthermore, the assembled aqueous ZISCs with ZMOP cathode and PPy‐derived porous carbon nanotube anode obtain a superb capacity of 109 F g−1 at 0.1 A g−1. Meanwhile, at a power density of 867 W kg−1, the corresponding energy density can achieve 20 Wh kg−1. And over 5000 cycles at 0.2 A g−1, the cycle performance of ZISCs maintains at 86.4%, which exhibits excellent cycle stability. This suggests that ZMOP nanowires are potential cathode materials for superior‐performance aqueous ZISCs. The KMnO4, Zn(NO3)2, and PPy served as the primary raw materials for the ZnxMnO2/PPy cathode. Following a hydrothermal reaction at 140°C for 3.5 h and subsequent drying in a vacuum drying oven at 70°C, the final nanowire structure was successfully synthesized.
Publisher
John Wiley & Sons, Inc
Subject
