Electrochemical Energy Storage in Advanced Battery Systems
Summary
Electrochemical energy storage underpins a vast array of modern technologies, from portable electronics and electric vehicles to large‐scale grid stabilisation. At its heart lies the reversible conversion of chemical energy into electrical energy via ion migration between electrodes through an electrolyte. Recent advances have focused on optimising electrode architectures—ranging from nanostructured composites and metal–organic frameworks to solid‐state interfaces—and tailoring electrolyte formulations to enhance safety, energy density and cycle life. Developments in lithium‐ion chemistries, sodium‐ion alternatives and aqueous systems highlight a drive towards resource diversification and environmental sustainability. Innovations in solid electrolytes aim to suppress dendrite formation and elevate operating voltages, while flexible and fibre‐shaped designs target wearable and conformal applications. Interfacial engineering techniques are being employed to stabilise high‐capacity electrodes such as silicon, lithium metal and conversion‐type materials. Collectively, these efforts seek to balance performance metrics—energy and power density, rate capability and longevity—with cost, scalability and recyclability, thereby addressing the global imperative for clean energy storage solutions.
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Electrochemical Energy Storage in Advanced Battery Systems publication trend
The graph below shows the total number of articles in electrochemical energy storage in advanced battery systems across all publications each year (not limited to Nature Index journals).
Technical terms
Electrochemical energy storage: The process of converting chemical energy into electrical energy and back via redox reactions at electrodes separated by an electrolyte.
Metal–organic framework (MOF): A porous crystalline material composed of metal nodes and organic linkers, employed as a precursor for high‐surface‐area electrode architectures.
Gravimetric capacity: The amount of charge stored per unit mass of active material, typically expressed in milliampere‐hours per gram (mAh g⁻¹).
Aqueous electrolyte: A water‐based ionic medium that facilitates ion transport between electrodes, valued for safety and low cost.
Passivation: The formation of a surface film on an electrode that impedes electrochemical reactions, often limiting performance and cycle life.
References
- Binder‐Free MOF‐Based and MOF‐Derived Nanoarrays for Flexible Electrochemical Energy Storage: Progress and Perspectives. Small (2023).
- Iron anode‐based aqueous electrochemical energy storage devices: Recent advances and future perspectives. Interdisciplinary Materials (2022).
- A Tale of Nickel-Iron Batteries: Its Resurgence in the Age of Modern Batteries. Batteries (2023).
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