High-Performance Aqueous Zn-MnO2 Batteries Enabled by the Coupling Engineering of K+ Pre-intercalation and Oxygen Defects

2021 ◽  
Author(s):  
Kun Han ◽  
Fuqiang An ◽  
Fengsheng Yan ◽  
Hailong Chen ◽  
Qi Wan ◽  
...  
Keyword(s):  
Energy Storage ◽  
Reaction Kinetics ◽  
Manganese Dioxide ◽  
High Performance ◽  
Great Promise ◽  
Oxygen Defects

Aqueous zinc-manganese dioxide (Zn-MnO2) batteries show great promise for grid-scale energy storage but suffer from sluggish reaction kinetics and severe structure instability of MnO2 cathode. Herein, a K+-pre-intercalated α-MnO2 cathode...

Significant Contribution of Single Atomic Mn Implanted in Carbon Nanosheets to High-performance Sodium-ion Hybrid Capacitors

2021 ◽  
Author(s):  
Xiang Hu ◽  
Genxiang Wang ◽  
Junwei Li ◽  
Junheng Huang ◽  
Yangjie Liu ◽  
...  
Keyword(s):  
Energy Storage ◽  
High Performance ◽  
Large Scale ◽  
Significant Contribution ◽  
Electrochemical Capacitors ◽  
Sodium Ion ◽  
Great Promise ◽  
Sodium Ion Batteries ◽  
Carbon Nanosheets ◽  
Hybrid Capacitors

Sodium-ion hybrid capacitors (SIHCs) hold great promise in large-scale energy storage by compromising the merits of sodium-ion batteries and electrochemical capacitors, the mismatch of kinetic and capacity between battery-type anode...

scholarly journals Oxygen Defects in β-MnO2 Enabling High-Performance Rechargeable Aqueous Zinc/Manganese Dioxide Battery

iScience ◽  
2020 ◽  
Vol 23 (1) ◽  
pp. 100797 ◽  
Author(s):  
Mingming Han ◽  
Jiwu Huang ◽  
Shuquan Liang ◽  
Lutong Shan ◽  
Xuesong Xie ◽  
...  
Keyword(s):  
Manganese Dioxide ◽  
High Performance ◽  
Oxygen Defects

Ultrahigh Energy Storage Performances of Polymer-based Nanocomposite via Interfaces Engneering

2020 ◽  
Author(s):  
Peng Wang ◽  
Zhongbin Pan ◽  
Weilin Wang ◽  
Jianxu Hu ◽  
Jinjun Liu ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Energy Storage ◽  
High Performance ◽  
Breakdown Strength ◽  
Composite Films ◽  
Power Electronic ◽  
Ultrahigh Energy

High-performance electrostatic capacitors are in urgent demand owing to the rapidly development of advanced power electronic applications. However, polymer-based composite films with both high breakdown strength (Eb) and dielectric constant...

Core-shell nanostructured Zn-Co-O@CoS arrays for high-performance hybrid supercapacitors

2021 ◽  
Author(s):  
Yi He ◽  
Lei Xie ◽  
Shixiang Ding ◽  
Yujia Long ◽  
Xinyi Zhou ◽  
...  
Keyword(s):  
Zinc Oxide ◽  
Energy Storage ◽  
Active Sites ◽  
High Performance ◽  
Electronic Conductivity ◽  
Wide Distribution ◽  
Energy Storage Materials ◽  
Core Shell ◽  
Storage Materials ◽  
Hybrid Supercapacitors

Although the zinc oxide (ZnO) with wide distribution is one of the most attractive energy storage materials, the low electronic conductivity and insufficient active sites of bulk ZnO increase the...

Engineered Carbon Electrodes for High Performance Capacitive and Hybrid Energy Storage

2021 ◽  
Vol 35 ◽  
pp. 102340
Author(s):  
Vishnu Surendran ◽  
Raveendran S. Arya ◽  
Thazhe Veettil Vineesh ◽  
Binson Babu ◽  
Manikoth M. Shaijumon
Keyword(s):  
Energy Storage ◽  
High Performance ◽  
Carbon Electrodes ◽  
Hybrid Energy ◽  
Hybrid Energy Storage

Interpenetrating Gels as Conducting/Adhering Matrices Enabling High-Performance Silicon Anodes

2021 ◽  
Author(s):  
Tingting Xia ◽  
Chengfei Xu ◽  
Pengfei Dai ◽  
Xiaoyun Li ◽  
Riming Lin ◽  
...  
Keyword(s):  
Energy Storage ◽  
High Performance ◽  
Electrode Materials ◽  
Three Dimensional ◽  
Electrochemical Energy Storage ◽  
Active Materials ◽  
Silicon Anodes ◽  
Weak Binding ◽  
Binding Forces

Three-dimensional (3D) conductive polymers are promising conductive matrices for electrode materials toward electrochemical energy storage. However, their fragile nature and weak binding forces with active materials could not guarantee long-term...

scholarly journals Facile fabrication of graphene-based high-performance microsupercapacitors operating at high temperature of 150 oC

2021 ◽  
Author(s):  
Viktoriia Mishukova ◽  
Nicolas Boulanger ◽  
Artem Iakunkov ◽  
Szymon Sollami Delekta ◽  
Xiaodong Zhuang ◽  
...  
Keyword(s):  
High Temperature ◽  
Energy Storage ◽  
High Performance ◽  
Electronic Circuits ◽  
Industry Applications ◽  
Facile Fabrication ◽  
On Chip

Many industry applications require electronic circuits and systems to operate at high temperature over 150 oC. Although planar microsupercapacitors (MSCs) have great potential for miniaturized on-chip integrated energy storage components,...

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