Gel-Based Next-Generation Energy Storage

A Special Issue of Gels (ISSN 2310-2861) belonging to the section "Gel Applications".

Deadline for manuscript submissions: 31 March 2027 | Viewed by 449

Editors


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Guest Editor
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: high-specific-energy lithium secondary batteries; metal–air batteries; ionic conductors; clay minerals; two-dimensional materials
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Guest Editor
College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
Interests: solid electrolyte; biopolymer-based gel; clay modification; carbon aerogel; new energy material

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Guest Editor
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: high-performance lithium-ion battery electrolyte; coverage safety study; new coating material
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: sodium-ion batteries; lithium-ion batteries; gel electrolytes; cathode materials; electrochemical energy storage
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rapid evolution of next-generation energy storage systems demands materials that simultaneously offer high ionic conductivity, mechanical flexibility, interfacial stability, and safety. Gel-based materials—including hydrogels, organogels, ionogels, and aerogels—have emerged as versatile platforms to address these challenges. Their unique three-dimensional network structures enable the confinement of liquid electrolytes or the incorporation of functional fillers, resulting in quasi-solid or solid-state electrolytes and gel-based electrodes. These materials effectively suppress dendrite growth, mitigate electrolyte leakage, accommodate volume changes during cycling, and enable flexible and wearable energy storage devices. This Special Issue, titled “Gel-Based Next-Generation Energy Storage”, aims to collect cutting-edge research and review articles that explore the design, synthesis, characterization, and application of gel materials for advanced energy storage technologies. Topics of interest include but are not limited to gel electrolytes for lithium-ion, sodium-ion, zinc-ion, and solid-state batteries; gel-based supercapacitors; redox-active gels; self-healing and stretchable gel electrodes; interface engineering between gels and electrodes; in situ characterization of gel-based systems; and computational modeling of ion transport in gel networks. We cordially invite the submission of original research articles, reviews, short communications, and perspectives that address these exciting themes.

Dr. Shilin Zhang
Prof. Dr. Aidong Tang
Dr. Chenyang Shi
Dr. Ying-De Huang
Guest Editors

Manuscript Submission Information

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Keywords

  • gel electrolytes
  • solid-state batteries
  • metal-ion batteries
  • hydrogel, aerogel and organogel
  • ionogels
  • flexible energy storage
  • quasi-solid supercapacitors
  • self-healing gels
  • conductive nanostructured gels

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Published Papers (1 paper)

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Research

17 pages, 4562 KB  
Article
Cooperative Repair for Laser-Induced Graphene via Modified Poly-phenylamine and Fe2+ for Thermal-Conductive Gels
by Nan Jiang, Guomin Ding, Bowen Yang, Shuai Liu, Luyao Wang, Zihan Li, Xu Han and Qilin Mei
Gels 2026, 12(9), 835; https://doi.org/10.3390/gels12090835 - 11 Sep 2026
Viewed by 234
Abstract
Laser-induced graphene (LIG) has great potential for multiple applications because of its large specific surface area, facile fabrication process, and tunable properties. However, abundant lattice defects severely degrade its conductivity. Herein, from an innovative perspective of precursor design, the poly-phenylamines (P-PAs) with improved [...] Read more.
Laser-induced graphene (LIG) has great potential for multiple applications because of its large specific surface area, facile fabrication process, and tunable properties. However, abundant lattice defects severely degrade its conductivity. Herein, from an innovative perspective of precursor design, the poly-phenylamines (P-PAs) with improved solubility and strong light absorption were synthesized, which act as an intercalated polymer for graphene oxide (GO) nanosheets. On this basis, the composite precursors show remarkably enhanced photothermal conversion capability and a compact stacked structure. These bring a 60% reduction in ID/IG in LIG after laser irradiation. To explain the above phenomenon, an isolation effect induced by the compact stacking precursor is proposed based on experimental results. Furthermore, the cooperative effect between P-PAs and Fe2+ is introduced, and a fluffy LIG aerogel with the lowest ID/IG ratio of 0.17 is prepared, which is barely achievable in conventional LIGs. When the obtained graphene aerogel is compounded with PDMS, the as-prepared thermal-conductive composite gel reaches a thermal conductivity of 1.05 W·m−1·K−1 and an ultralow interfacial thermal resistance of 37.2 mm2·K·W−1 under a low graphene loading of 3.3 wt%. This intercalation strategy in GO precursor supplies a new route for preparing high-quality LIGs and thermal-conductive gels, which show great application prospects in thermal management devices. Full article
(This article belongs to the Special Issue Gel-Based Next-Generation Energy Storage)
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