Ultrathin Nanotube/Nanowire Electrodes by Spin-Spray Layer-by-Layer Assembly: A Concept for Transparent Energy Storage

ACS Nano
Forrest S GittlesonAndré D Taylor

Abstract

Fully integrated transparent devices require versatile architectures for energy storage, yet typical battery electrodes are thick (20-100 μm) and composed of optically absorbent materials. Reducing the length scale of active materials, assembling them with a controllable method and minimizing electrode thickness should bring transparent batteries closer to reality. In this work, the rapid and controllable spin-spray layer-by-layer (SSLbL) method is used to generate high quality networks of 1D nanomaterials: single-walled carbon nanotubes (SWNT) and vanadium pentoxide (V2O5) nanowires for anode and cathode electrodes, respectively. These ultrathin films, deposited with ∼2 nm/bilayer precision are transparent when deposited on a transparent substrate (>87% transmittance) and electrochemically active in Li-ion cells. SSLbL-assembled ultrathin SWNT anodes and V2O5 cathodes exhibit reversible lithiation capacities of 23 and 7 μAh/cm(2), respectively at a current density of 5 μA/cm(2). When these electrodes are combined in a full cell, they retain ∼5 μAh/cm(2) capacity over 100 cycles, equivalent to the prelithiation capacity of the limiting V2O5 cathode. The SSLbL technique employed here to generate functional thin films is uniquely...Continue Reading

References

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Citations

Jul 26, 2017·Advanced Materials·Chuanfang John ZhangValeria Nicolosi
Feb 29, 2020·Research : a Science Partner Journal·Zhimin Qi, Haiyan Wang
Dec 21, 2016·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Shouwei ZhangAlain M Jonas
Nov 18, 2018·Materials·Jie LiJianguo Tang
Nov 28, 2019·ACS Applied Materials & Interfaces·Junyeong YunJodie L Lutkenhaus
Mar 4, 2021·ACS Central Science·Linda A WehnerMarkus Niederberger
Oct 1, 2019·Chemical Reviews·Guangmin ZhouYi Cui
Dec 15, 2016·Chemical Reviews·Joseph J RichardsonFrank Caruso
Dec 12, 2018·ACS Applied Materials & Interfaces·Sami OukassiRaphaël Salot
Jul 20, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Zhen WangMahiar Max Hamedi

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