Results 21 to 30 of about 285 (115)

Natural Solid-State Hydrogel Electrolytes Based on 3D Pure Cotton/Graphene for Supercapacitor Application

Micromachines, 2023
A conductive cotton hydrogel with graphene and ions can come into contact with electrodes in solid electrolytes at the molecular level, leading to a more efficient electrochemical process in supercapacitors.
Nujud Badawi Mohammed, Khalid Mujasam Batoo, Sajjad Hussain, Ramesh Subramaniam, Ramesh Kasi, Mrutunjaya Bhuyan, Ahamad Imran, Muthumareeswaran Muthuramamoorthy   +7 more
doaj   +1 more source

Hydrogel‐Based Flexible Energy Storage Using Electrodes Based on Polypyrrole and Carbon Threads

Advanced Materials Interfaces, 2023
Developing new flexible and electroactive materials is a significant challenge to producing safe, reliable, and environmentally friendly energy storage devices. This study introduces a promising electrolyte system that fulfills these requirements. First,
Jean G. A. Ruthes, Andrei E. Deller, Emmanuel Pameté, Izabel C. Riegel‐Vidotti, Volker Presser, Marcio Vidotti   +5 more
doaj   +1 more source

Gelled Electrolyte for Nanostructured Lead-acid Battery

Chemical Engineering Transactions, 2019
In recent years, the storage of energy produced by renewable sources has become a topic of great interest. Lead-acid batteries are widely used in this field, in particular those based on VRLA (Valve-Regulated-Lead Acid) technology, in which the ...
Maria Grazia Insinga, Andrea Derelitto, Simone Pisana, Roberto Luigi Oliveri, Carmelo Sunseri, Rosalinda Inguanta   +5 more
doaj   +1 more source

Highly conductive V4C3Tx MXene-enhanced polyvinyl alcohol hydrogel electrolytes for flexible all-solid-state supercapacitors

Frontiers in Chemistry
Hydrogel electrolytes are an integral part of flexible solid-state supercapacitors. To further improve the low ionic conductivity, large interfacial resistance and poor cycling stability for hydrogel electrolytes, the V4C3Tx MXene-enhanced polyvinyl ...
Xiaoqing Bin, Minhao Sheng, Wenxiu Que
doaj   +1 more source

A Highly Elastic and Fatigue‐Resistant Natural Protein‐Reinforced Hydrogel Electrolyte for Reversible‐Compressible Quasi‐Solid‐State Supercapacitors

Advanced Science, 2020
Compressible solid‐state supercapacitors are emerging as promising power sources for next‐generation flexible electronics with enhanced safety and mechanical integrity.
Jingya Nan, Gaitong Zhang, Tianyu Zhu, Zhongkai Wang, Lijun Wang, Hongsheng Wang, Fuxiang Chu, Chunpeng Wang, Chuanbing Tang   +8 more
doaj   +1 more source

Doped photo-crosslinked polyesteramide hydrogels as solid electrolytes for supercapacitors [PDF]

Soft Matter, 2020
High-performance hydrogels play a crucial role as solid electrolytes for flexible electrochemical supercapacitors.
Ruano Torres, Guillem, Tononi García, Jordi, Curcó Cantarell, David, Puiggalí Bellalta, Jordi, Torras Costa, Juan, Alemán Llansó, Carlos   +5 more
openaire   +4 more sources

An adhesive cellulose nanocrystal-reinforced nanocomposite hydrogel electrolyte for supercapacitor applications

Giant
Hydrogel electrolytes were applied in various energy storage devices, including supercapacitors. However, they still suffer from disadvantages such as low mechanical performance and poor adhesion of the interfaces between electrolytes and electrodes ...
Ningxin Chen, Li Tao, Xuejun Lu, Md. Mehadi Hassan, Ruijie Yang, Jian Liu, Qingye Lu   +6 more
doaj   +1 more source

COLLAPSE KINETIC OF COMPOSITES BASED ON COPOLYMERS OF ACRYLIC ACID AND ACRYLAMIDE FILLED WITH BENTONITE IN AQUEOUS SOLUTIONS OF POLYVALENT METALS [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2017
Polymer polyelectrolyte hydrogel composites of acrylic acid and acrylamide copolymer filled with different amounts of bentonite (from 1 to 5 wt.%) were synthesized.
V. E. Sitnikova, I. Ilic, K. G. Gusev, R. O. Olekhnovich, M. V. Uspenskaya   +4 more
doaj   +1 more source

Hydrogel Polymer Electrolytes: Synthesis, Physicochemical Characterization and Application in Electrochemical Capacitors

Gels, 2023
Electrochemical capacitors operating in an aqueous electrolyte solution have become ever-more popular in recent years, mainly because they are cheap and ecofriendly.
Piotr Gajewski, Wiktoria Żyła, Klaudia Kazimierczak, Agnieszka Marcinkowska   +3 more
doaj   +1 more source

Research Progress on the Antifreeze Performance of Water-based Zinc-ion Batteries Using Polyacrylamide as the Gel Electrolyte Base [PDF]

E3S Web of Conferences
Compared with lithium batteries, zinc batteries employing quasi-solid-state electrolytes demonstrate superior safety profiles, positioning them as pivotal components for flexible electronics development.
Zhao Jingxuan
doaj   +1 more source