Results 1 to 10 of about 235 (68)

A Sustainable Dual Cross-Linked Cellulose Hydrogel Electrolyte for High-Performance Zinc-Metal Batteries

Nano-Micro Letters
Highlights A sustainable dual cross-linked cellulose hydrogel with excellent mechanical strength was fabricated from aqueous alkali hydroxide/urea solution using a sequential chemical and physical cross-linking strategy.
Jinping Zhou, Zhou Jinping
exaly   +2 more sources

Regulating the Coordination Environment of H2O in Hydrogel Electrolyte for a High-Environment-Adaptable and High-Stability Flexible Zn Devices

Nano-Micro Letters
Highlights A hydrogel electrolyte regulation strategy of the water coordination environment can effectively restrain the hydrogen evolution reaction, Zn corrosion and dendrite formation in the wide-temperature ranges.
Yajie Liu, Jodie A Yuwono, Shilin Zhang   +2 more
exaly   +2 more sources

A recyclable biomass electrolyte towards green zinc-ion batteries

Nature Communications, 2023
The operation of traditional aqueous-electrolyte zinc-ion batteries is adversely affected by the uncontrollable growth of zinc dendrites and the occurrence of side reactions.
Hongyu Lu, Jisong Hu, Xijun Wei, Kaiqi Zhang, Xiao Xiao, Jingxin Zhao, Qiang Hu, Jing Yu, Guangmin Zhou, Bingang Xu   +9 more
doaj   +1 more source

Ionic liquid-assisted synthesis of chitin–ethylene glycol hydrogels as electrolyte membranes for sustainable electrochemical capacitors

Scientific Reports, 2022
A novel chitin–ethylene glycol hybrid gel was prepared as a hydrogel electrolyte for electrical double-layer capacitors (EDLCs) using 1-butyl-3-methylimidazolium acetate [Bmim][Ac] as a chitin solvent.
Marcin Wysokowski, Krzysztof Nowacki, Filip Jaworski, Michał Niemczak, Przemysław Bartczak, Mariusz Sandomierski, Adam Piasecki, Maciej Galiński, Teofil Jesionowski   +8 more
doaj   +1 more source

Hydrogel Electrolytes for Quasi-Solid Zinc-Based Batteries

Frontiers in Chemistry, 2020
On account of high energy density depending on the utilized zinc metal anode of high theoretical capacity and its excellent security due to aqueous electrolytes that usually be locked in polymer hosts referred to as hydrogels, quasi-solid zinc-based ...
Kang Lu, Tongtong Jiang, Haibo Hu, Mingzai Wu   +3 more
doaj   +1 more source

A Regenerable Hydrogel Electrolyte for Flexible Supercapacitors

iScience, 2020
Summary: Easy regenerability of core components such as electrode and electrolyte is highly required in advanced electrochemical devices. This work reports a reliable, regenerable, and stretchable hydrogel electrolyte based on ionic bonds between ...
Guanbing Zhou, Leyi Yang, Weijun Li, Chongyi Chen, Qiao Liu   +4 more
doaj   +1 more source

An Insight into Synthesis of the Antifreeze Alkaline Hydrogel Electrolyte: Fine‐Tuning Chemistries for Efficient Ion Transport

ChemElectroChem, 2023
Herein, the chemical compatibility of the hydrogel electrolyte in highly alkaline pH was evaluated. Through simple experiments, we demonstrated that the frequently used polymer compound, acrylamide, is not stable at a high pH. The addition of glycerol as
Chun Keat Khor, Chance Coady Blackstone, Prof. Dr. Anna Ignaszak   +2 more
doaj   +1 more source

Tough, flexible, and durable all-polyampholyte hydrogel supercapacitor

Polymer Testing, 2022
Most of the currently developed flexible energy storage devices lack sufficient flexibility to withstand various deformations, such as stretching, compression, and bending under the action of external forces.
Xuefeng Li, Yonglin Wang, Dapeng Li, Caiwei Shen, Mengfan Chen, Shijun Long, Yiwan Huang   +6 more
doaj   +1 more source

Hydrogel-Polymer Electrolytes Based on Polyvinyl Alcohol and Hydroxyethylcellulose for Supercapacitor Applications

International Journal of Electrochemical Science, 2014
A transparent polymer-hydrogel electrolyte was successfully synthesized on the basis of polyvinyl alcohol (PVA). Sulfuric acid (H2SO4) as a dopant electrolyte was used to dissolve PVA.
Memoria Rosi, Ferry Iskandar, Mikrajuddin Abdullah, Khairurrijal   +3 more
doaj   +1 more source

Stretchable supercapacitor based on a hierarchical PPy/CNT electrode and hybrid hydrogel electrolyte with a wide operating temperature

Carbon Energy, 2022
Hydrogel is frequently used as a solid electrolyte for all solid‐state supercapacitors (SCs) because of its liquid‐like ion‐transport property and high conformability.
Yanfang Ren, Yunlong Liu, Siying Wang, Qian Wang, Shuhong Li, Wenjun Wang, Xiaochen Dong   +6 more
doaj   +1 more source