Natural polymer-based electrolytes for energy storage devices—an overview

Thrisha K,; Saratha R,

doi:10.1007/s11581-023-05315-1

Cited by 4 publications

(1 citation statement)

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“…Most researchers concentrate on algal biopolymers as solid polymer electrolytes for batteries and other energy-storage devices, where the biopolymer forms a matrix which contains different ionic dopants, such as Li or Mg salts [ 132 ], and thus combines electrolyte and separator. Typical algal biopolymers for electrolytes in the form of membranes or hydrogels are polysaccharides, e.g., alginate or κ-carrageenan [ 133 , 134 , 135 ].…”

Section: Algal Biopolymers For Batteriesmentioning

confidence: 99%

Algae-Based Biopolymers for Batteries and Biofuel Applications in Comparison with Bacterial Biopolymers—A Review

Joshi,

Langwald,

Ehrmann

et al. 2024

Polymers

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Algae-based biopolymers can be used in diverse energy-related applications, such as separators and polymer electrolytes in batteries and fuel cells and also as microalgal biofuel, which is regarded as a highly renewable energy source. For these purposes, different physical, thermochemical, and biochemical properties are necessary, which are discussed within this review, such as porosity, high temperature resistance, or good mechanical properties for batteries and high energy density and abundance of the base materials in case of biofuel, along with the environmental aspects of using algae-based biopolymers in these applications. On the other hand, bacterial biopolymers are also often used in batteries as bacterial cellulose separators or as biopolymer network binders, besides their potential use as polymer electrolytes. In addition, they are also regarded as potential sustainable biofuel producers and converters. This review aims at comparing biopolymers from both aforementioned sources for energy conversion and storage. Challenges regarding the production of algal biopolymers include low scalability and low cost-effectiveness, and for bacterial polymers, slow growth rates and non-optimal fermentation processes often cause challenges. On the other hand, environmental benefits in comparison with conventional polymers and the better biodegradability are large advantages of these biopolymers, which suggest further research to make their production more economical.

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Section: Algal Biopolymers For Batteriesmentioning

confidence: 99%

Algae-Based Biopolymers for Batteries and Biofuel Applications in Comparison with Bacterial Biopolymers—A Review

Joshi,

Langwald,

Ehrmann

et al. 2024

Polymers

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Versatile Biopolymers for Advanced Lithium and Zinc Metal Batteries

Li,

Zhi

2024

Advanced Materials

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Lithium (Li) and zinc (Zn) metals are emerging as promising anode materials for next‐generation rechargeable metal batteries due to their excellent electronic conductivity and high theoretical capacities. However, issues such as uneven metal ion deposition and uncontrolled dendrite growth result in poor electrochemical stability, limited cycle life, and rapid capacity decay. Biopolymers, recognized for their abundance, cost‐effectiveness, biodegradability, tunable structures, and adjustable properties, offer a compelling solution to these challenges. This review systematically and comprehensively examines biopolymers and their protective mechanisms for Li and Zn metal anodes. It begins with an overview of biopolymers, detailing key types, their structures, and properties. The review then explores recent advancements in the application of biopolymers as artificial solid electrolyte interphases, electrolyte additives, separators, and solid‐state electrolytes, emphasizing how their structural properties enhance protection mechanisms and improve electrochemical performance. Finally, perspectives on current challenges and future research directions in this evolving field are provided.

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