Home » Revolutionizing Energy Storage: Breakthrough in Solid-State Lithium Batteries with Intrinsic Polymer Electrolyte”

Revolutionizing Energy Storage: Breakthrough in Solid-State Lithium Batteries with Intrinsic Polymer Electrolyte”


In the quest for safer and more efficient energy storage solutions, researchers have made significant strides in the development of solid-state lithium batteries. These batteries rely on a newly developed, highly conductive solid electrolyte, marking a departure from the traditional liquid electrolytes used in batteries. In this article, we explore the journey from liquid to solid electrolytes and highlight a groundbreaking development in the form of an intrinsic polymer electrolyte (IPE) that could revolutionize the world of energy storage.

The Evolution of Electrolytes

Historically, batteries predominantly utilized liquid electrolytes to facilitate the flow of charged ions between the cathode and anode during chemical reactions. While effective, liquid electrolytes come with safety concerns, especially in high-risk scenarios such as car accidents or airplane cargo areas. The search for a safer alternative led to the development of polymer electrolytes based on Polyethylene oxide (PEO) in the 1970s. These solid polymer electrolytes offered enhanced safety compared to their liquid counterparts but faced a critical limitation: their ion conductivity at room temperature was insufficient for practical use.

Solid-State Electrolytes: Overcoming the Hurdles

Recent efforts in battery technology have yielded so-called “solid-state” electrolytes. However, many of these so-called “solid-state” electrolytes still incorporate gels, leaving room for improvement. Enter Quanfeng Dong and colleagues, who have designed and synthesized a groundbreaking solid-state electrolyte composed of 1,3-dioxolane (DOL) and pentaerythritol glycidyl ether (PEG). This novel intrinsic polymer electrolyte (IPE) features a three-dimensional mesh structure, setting it apart from previous attempts.

The IPE Advantage

The intrinsic polymer electrolyte boasts an impressive ionic conductivity of up to 0.49 millisiemens per cm at room temperature, a substantial improvement over PEO-based polymer electrolytes. This increased conductivity opens the door to more efficient and safer energy storage solutions.

Furthermore, the IPE enables lithium-ion migration with numbers reaching up to 0.85, indicating its suitability for advanced battery applications. Batteries constructed with this revolutionary electrolyte have demonstrated exceptional longevity, retaining over 90% of their storage capacity after 300 charge-discharge cycles.

The Future of Energy Storage

The development of this intrinsic polymer electrolyte represents a significant step forward in the quest for next-generation high-energy-density, all solid-state lithium-based batteries. With its exceptional conductivity, safety enhancements, and long-lasting performance, the IPE holds the potential to revolutionize the energy storage landscape. As researchers continue to refine this technology, we can look forward to safer, more efficient, and environmentally friendly energy storage solutions that will power the future.


The transition from liquid to solid-state electrolytes in battery technology has taken a significant leap forward with the creation of an intrinsic polymer electrolyte (IPE) boasting impressive ion conductivity and safety benefits. As we strive for more efficient and sustainable energy storage solutions, this breakthrough may well be the key to unlocking the full potential of solid-state lithium batteries. With further research and development, the IPE could transform the way we store and utilize energy, shaping a greener and more advanced future

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