Ultra-light and flexible pencil-trace anode for high performance potassium-ion and lithium-ion batteries

Zhixin Tai; Yajie Liu; Qing Zhang; Tengfei Zhou; Zaiping Guo; Hua Kun Liu; Shi Xue Dou

doi:10.1016/j.gee.2017.04.002

Ultra-light and flexible pencil-trace anode for high performance potassium-ion and lithium-ion batteries

Zhixin Tai, Yajie Liu, Qing Zhang, Tengfei Zhou, Zaiping Guo^*, Hua Kun Liu, Shi Xue Dou

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

83 Citations (Scopus)

Abstract

Engineering design of battery configurations and new battery system development are alternative approaches to achieve high performance batteries. A novel flexible and ultra-light graphite anode is fabricated by simple friction drawing on filter paper with a commercial 8B pencil. Compared with the traditional anode using copper foil as current collector, this innovative current-collector-free design presents capacity improvement of over 200% by reducing the inert weight of the electrode. The as-prepared pencil-trace electrode exhibits excellent rate performance in potassium-ion batteries (KIBs), significantly better than in lithium-ion batteries (LIBs), with capacity retention of 66% for the KIB vs. 28% for the LIB from 0.1 to 0.5 A g⁻¹. It also shows a high reversible capacity of ∼230 mAh g⁻¹ at 0.2 A g⁻¹, 75% capacity retention over 350 cycles at 0.4 A g⁻¹and the highest rate performance (based on the total electrode weight) among graphite electrodes for K⁺ storage reported so far. © 2017 Institute of Process Engineering, Chinese Academy of Sciences

Original language	English
Pages (from-to)	278-284
Journal	Green Energy and Environment
Volume	2
Issue number	3
DOIs	https://doi.org/10.1016/j.gee.2017.04.002
Publication status	Published - 1 Jul 2017
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

Funding

Support from the Australian Research Council through a Discovery project ( DP170102406 ) and Future Fellowship project ( FT150100109 ), and Auto CRC 2020 (Project 1-117 ) are gratefully acknowledged. This research used equipment funded by an Australian Research Council grant ( LE0237478 ), with the facilities located at the UOW Electron Microscopy Centre. Many thanks are owed to Dr. Tania Silver for critical reading of the manuscript.

Research Keywords

Current-collector-free
Flexible pencil-trace electrode
Layer-by-layer interconnected architecture
Lithium-ion battery
Potassium-ion battery

Publisher's Copyright Statement

This full text is made available under CC-BY-NC-ND 4.0. https://creativecommons.org/licenses/by-nc-nd/4.0/

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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abstract = "Engineering design of battery configurations and new battery system development are alternative approaches to achieve high performance batteries. A novel flexible and ultra-light graphite anode is fabricated by simple friction drawing on filter paper with a commercial 8B pencil. Compared with the traditional anode using copper foil as current collector, this innovative current-collector-free design presents capacity improvement of over 200% by reducing the inert weight of the electrode. The as-prepared pencil-trace electrode exhibits excellent rate performance in potassium-ion batteries (KIBs), significantly better than in lithium-ion batteries (LIBs), with capacity retention of 66% for the KIB vs. 28% for the LIB from 0.1 to 0.5 A g−1. It also shows a high reversible capacity of ∼230 mAh g−1 at 0.2 A g−1, 75% capacity retention over 350 cycles at 0.4 A g−1and the highest rate performance (based on the total electrode weight) among graphite electrodes for K+ storage reported so far. {\textcopyright} 2017 Institute of Process Engineering, Chinese Academy of Sciences",

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Ultra-light and flexible pencil-trace anode for high performance potassium-ion and lithium-ion batteries

Abstract

Bibliographical note

Funding

Research Keywords

Publisher's Copyright Statement

UN SDGs

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