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Self-assembled materials for electrochemical energy storage

Published online by Cambridge University Press:  09 October 2020

Hao Chen
Affiliation:
Stanford University, USA; haochen9@stanford.edu
Peter Benedek
Affiliation:
ETH Zürich, Switzerland; benedekp@ethz.ch
Khande-Jaé Fisher
Affiliation:
Stanford University, USA; kjfisher@stanford.edu
Vanessa Wood
Affiliation:
ETH Zürich, Switzerland; vwood@ethz.ch
Yi Cui
Affiliation:
Department of Materials Science and Engineering, Stanford University, USA; yicui@stanford.edu
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Abstract

Electrochemical energy-storage systems such as supercapacitors and lithium-ion batteries require complex intertwined networks that provide fast transport pathways for ions and electrons without interfering with their energy density. Self-assembly of nanomaterials into hierarchical structures offers exciting possibilities to create such pathways. This article summarizes recent research achievements in self-assembled zero-dimensional, one-dimensional, and two-dimensional nanomaterials, ordered pore structure materials, and the interfaces between these. We analyze how self-assembly strategies can create storage architectures that improve device performance toward higher energy densities, longevity, rate capability, and device safety. At the end, the remaining challenges of scalable low-cost manufacturing and future opportunities such as self-healing are discussed.

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Type
Functional Materials and Devices by Self-Assembly
Copyright
Copyright © The Author(s), 2020, published on behalf of Materials Research Society by Cambridge University Press

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