Chemical Reviews· 2020Q1· Review
Pseudocapacitance: From Fundamental Understanding to High Power Energy Storage Materials
- 1,878citations
- Q1SCImago
- 2020year
Short summary
Pseudocapacitive materials store charge via reversible surface Faradaic reactions, enabling simultaneous high power and energy density beyond electrical double-layer capacitors and batteries.
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Key points
- Pseudocapacitive materials store charge through reversible surface or near-surface Faradaic reactions.
- This mechanism allows for higher capacity than electrical double-layer capacitors.
- Pseudocapacitance overcomes the mass transfer limitations found in batteries.
- The field has seen significant growth in understanding and material discovery over the past decade.
AI-generated from the title and abstract; the full text is not read.
Abstract
There is an urgent global need for electrochemical energy storage that includes materials that can provide simultaneous high power and high energy density. One strategy to achieve this goal is with pseudocapacitive materials that take advantage of reversible surface or near-surface Faradaic reactions to store charge. This allows them to surpass the capacity limitations of electrical double-layer capacitors and the mass transfer limitations of batteries. The past decade has seen tremendous growth in the understanding of pseudocapacitance as well as materials that exhibit this phenomenon. The purpose of this Review is to examine the fundamental development of the concept of pseudocapacitance and how it came to prominence in electrochemical energy storage as well as to describe new classes of materials whose electrochemical energy storage behavior can be described as pseudocapacitive.
The authors' abstract, as published at the source. Chemical Reviews, 2020 · DOI ↗
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Field: Electronic, Optical and Magnetic Materials
Electronic, Optical and Magnetic MaterialsMaterials Science