Article
Engineering, Electrical & Electronic
Subhrajit Konwar, Pramod K. Singh, Pawan Dhapola, Abhimanyu Singh, Serguei V. Savilov, Muhd Zu Azhan Yahya, Sirin Siyahjani Gultekin, Burak Gultekin
Summary: This paper deals with the synthesis, characterization, and application of low-viscosity ionic liquids as dopants and biopolymers as the host. The ionic liquid enhances the ionic conductivity and thermal stability of the biopolymer electrolyte, leading to the development of highly conducting ionic-liquid-doped biopolymer electrolyte-based devices such as electrochemical double-layer capacitors and dye-sensitized solar cells.
ACS APPLIED ELECTRONIC MATERIALS
(2023)
Article
Chemistry, Physical
Woonghee Choi, Gi Hyeon Sung, Woong-Ryeol Yu, Dong Wook Kim
Summary: The volatility of liquid electrolytes is a major obstacle in the fabrication of efficient and safe lithium-ion batteries. A novel ionic liquid crosslinker was synthesized and used for thermal crosslinking to prepare a gel polymer electrolyte (GPE) with higher thermal stability and ionic conductivity than liquid electrolytes or solid electrolytes.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Polymer Science
Behnam Eslami, Ismaeil Ghasemi, Masoud Esfandeh
Summary: Solid polymer electrolytes (SPEs) are a promising avenue for flexible lithium-ion batteries. However, the low ionic conductivity of polymers remains a challenge. In this study, SPE/FGO electrolytes were prepared using PEO, polyvinyl alcohol, LiClO4, and graphene functionalized with polyethylene glycol. The presence of functionalized graphene effectively reduced crystallinity, and the samples exhibited adequate ionic conductivity at room temperature.
Article
Chemistry, Multidisciplinary
Tianhong Zhou, Yan Zhao, Jang Wook Choi, Ali Coskun
Summary: A gel polymer electrolyte was developed with imidazolium ionic liquid end groups and perfluorinated alkyl chain to address challenges such as Li-dendrite growth and low interfacial stability in Li metal anodes. The electrolyte demonstrated high Li ion conductivity, high Li ion transference number and good electrochemical stability, effectively suppressing Li dendrite growth and exhibiting stable cycling performance.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Review
Polymer Science
Nacer Badi, Azemtsop Manfo Theodore, Saleh A. Alghamdi, Hatem A. Al-Aoh, Abderrahim Lakhouit, Pramod K. Singh, Mohd Nor Faiz Norrrahim, Gaurav Nath
Summary: This study discusses the impact of different polymer electrolytes on the performance of lithium-ion batteries, emphasizing the need for an excellent electrolyte to possess multiple properties (such as Li+ diffusion, resistance, capacity, etc.) and pointing out that a single electrolyte may not be sufficient to meet requirements.
Article
Chemistry, Physical
M. Dinachandra Singh, Anshuman Dalvi
Summary: X-ray photoelectron spectroscopy (XPS) is used to study the ion transport mechanism in Li+ and Na+ ion based solid polymer electrolytes. Results show that for high NASICON content, ions decouple from polymer chains and prefer NASICON surface/bulk states for electrical transport.
APPLIED SURFACE SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
Shadma Parveen, Poonam Sehrawat, S. A. Hashmi
Summary: This study reports the development of a novel gel polymer electrolyte (GPE) based on solvate ionic liquids (SILs) for battery applications. The SILs were synthesized by varying the concentration of NaClO4 in triglyme (G3) and were immobilized in a poly(vinylidene-fluoride-co-hexafluoropropylene) matrix to form freestanding and flexible films. The morphological and structural properties, as well as the salt-glyme-polymer interactions of the SIL-GPEs, were investigated using various techniques. The electrochemical performance of the GPE was characterized, and it was found to exhibit high ionic conductivity, Na-ion transport number, and wide electrochemical stability window, making it suitable for sodium-ion batteries.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Engineering, Chemical
Pei Xu, Hanyang Chen, Xin Zhou, Hongfa Xiang
Summary: A series of composite gel polymer electrolytes (GPEs) based on PVDF-HFP, [EMIM][TFSI], LiTFSI, and rGO-PEG-NH2 were successfully prepared by solution casting method. The 3P5E2LG-10 GPE exhibited good conductivity and lithium ion transport properties at 30 degrees Celsius.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Polymer Science
Ying Wei, Wei Chen, Xinyi Ge, Jiayi Liang, Zheng Xing, Qingguo Zhang, Zhong-Xia Wang
Summary: This article introduces a method of preparing free-standing ionogels through double-additive induced physical cross-linking. The ionogels prepared using this method have excellent mechanical and electrochemical properties, making them suitable for applications in flexible electronic devices and wearable electronic skin.
Article
Chemistry, Physical
Li Yang, Qing Liu, Hang Ma, Qi An, Xiaofeng Wang, Yuqing Ding, Zhiyuan Mei, Xuelin Sheng, Lingyan Duan, Jiyang Xie, Hong Guo
Summary: Polymer electrolyte-based solid-state lithium metal batteries can increase energy density and address safety issues. However, polymer electrolytes have low lithium ion migration and weak mechanical strength. Therefore, it is crucial to search for functional fillers to enhance their performance.
ENERGY STORAGE MATERIALS
(2023)
Article
Polymer Science
Ashish Gupta, Amrita Jain, S. K. Tripathi
Summary: The gel polymer electrolyte prepared using a specific ionic liquid shows high ionic conductivity and a large electrochemical window, indicating potential application prospects.
JOURNAL OF POLYMER RESEARCH
(2021)
Article
Nanoscience & Nanotechnology
Siqi Liu, Di Wu, Pinar Akcora
Summary: Polymer-grafted nanoparticles, specifically PMMA-b-PSS, stabilized in ionic liquid/cosolvent mixtures show improved ionic conductivity for potential use in fuel cells, supercapacitors, or actuators. The interactions between anions and cations with the methyl groups of PMMA and sulfonated groups of PSS contribute to the enhanced conductivity. Lower sulfonation amount and longer PMMA chains in the nanoparticles result in higher conductivity compared to particles with higher sulfonation amount and shorter PMMA chains.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Physical
Jingfeng Zheng, Luke Schkeryantz, Gerald Gourdin, Lei Qin, Yiying Wu
Summary: Potassium batteries have attracted considerable attention from researchers, with traditional liquid electrolytes raising safety concerns. A new single potassium-ion conducting polymer, KPSTFSA, was synthesized to address this issue, showing high ionic conductivity and potassium ion transference number compared to traditional electrolytes. The electrochemical stability of the polymer gel electrolyte was studied systematically, revealing the instability of the polystyrene structure of KPSTFSA.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Polymer Science
Weichen Zhu, Rengui Xiao, Zehua Cai, Yu Huang, Jingbo Chen
Summary: The performance of dual-ion batteries can be significantly improved by using glass fiber separators, which increase the discharge capacity, retention rate, and reduce self-discharge effect. The formation of an electrochemically active layer by poly(anthraquinonyl sulfide) particles further enhances the electrochemical performance of the battery.
Article
Energy & Fuels
Saeed Hadad, Mahtab Hamrahjoo, Elham Dehghani, Mehdi Salami-Kalajahi, Svetlana N. Eliseeva, Amir Rezvani Moghaddam, Hossein Roghani-Mamaqani
Summary: Starch-based electrolytes are used to achieve safe and eco-friendly lithium ion batteries. The obtained electrolytes show high ionic conductivity, wide electrochemical stability, stable cyclic performance, and good electrode/electrolyte compatibility, making them a unique alternative to liquid electrolytes in LIB.
