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

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dc.contributor.authorTai, Z.
dc.contributor.authorLiu, Y.
dc.contributor.authorZhang, Q.
dc.contributor.authorZhou, T.
dc.contributor.authorGuo, Z.
dc.contributor.authorLiu, H.K.
dc.contributor.authorDou, S.X.
dc.date.issued2017
dc.description.abstractEngineering 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⁻¹ and the highest rate performance (based on the total electrode weight) among graphite electrodes for K⁺ storage reported so far.
dc.description.statementofresponsibilityZhixin Tai, Yajie Liu, Qing Zhang, Tengfei Zhou, Zaiping Guo, Hua Kun Liu, Shi Xue Dou
dc.identifier.citationGreen Energy & Environment, 2017; 2(3):278-284
dc.identifier.doi10.1016/j.gee.2017.04.002
dc.identifier.issn2468-0257
dc.identifier.issn2468-0257
dc.identifier.orcidGuo, Z. [0000-0003-3464-5301]
dc.identifier.urihttps://hdl.handle.net/2440/132366
dc.language.isoen
dc.publisherElsevier BV
dc.relation.granthttp://purl.org/au-research/grants/arc/DP170102406
dc.relation.granthttp://purl.org/au-research/grants/arc/FT150100109
dc.relation.granthttp://purl.org/au-research/grants/arc/LE0237478
dc.rights© 2017, Institute of Process Engineering, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
dc.source.urihttps://doi.org/10.1016/j.gee.2017.04.002
dc.subjectCurrent-collector-free; flexible pencil-trace electrode; potassium-ion battery; lithium-ion battery; layer-by-layer interconnected architecture
dc.titleUltra-light and flexible pencil-trace anode for high performance potassium-ion and lithium-ion batteries
dc.typeJournal article
pubs.publication-statusPublished

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