An Aqueous Rechargeable Lithium Battery Using Coated Li Metal as Anode

Xujiong Wang; Yuyang Hou; Yusong Zhu; Yuping Wu; Rudolf Holze

doi:10.1038/srep01401

An Aqueous Rechargeable Lithium Battery Using Coated Li Metal as Anode

Xujiong Wang, Yuyang Hou, Yusong Zhu, Yuping Wu, Rudolf Holze

Research output: Contribution to journal › Article › peer-review

209 Scopus citations

Abstract

New energy industry including electric vehicles and large-scale energy storage in smart grids requires energy storage systems of good safety, high reliability, high energy density and low cost. Here a coated Li metal is used as anode for an aqueous rechargeable lithium battery (ARLB) combining LiMn ₂ O₄ as cathode and 0.5mol l^-1 Li₂ SO₄ aqueous solution as electrolyte. Due to the cross-over effect of Li⁺ ions in the coating, this ARLB delivers an output voltage of about 4.0V, a big breakthrough of the theoretic stable window of water, 1.229V. Its cycling is very excellent with Coulomb efficiency of 100% except in the first cycle. Its energy density can be 446Wh kg-1, about 80% higher than that for traditional lithium ion battery. Its power efficiency can be above 95%. Furthermore, its cost is low and safety is much reliable. It provides another chemistry for post lithium ion batteries.

Original language	English
Article number	1401
Journal	Scientific Reports
Volume	3
DOIs	https://doi.org/10.1038/srep01401
State	Published - 2013
Externally published	Yes

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title = "An Aqueous Rechargeable Lithium Battery Using Coated Li Metal as Anode",

abstract = "New energy industry including electric vehicles and large-scale energy storage in smart grids requires energy storage systems of good safety, high reliability, high energy density and low cost. Here a coated Li metal is used as anode for an aqueous rechargeable lithium battery (ARLB) combining LiMn 2 O4 as cathode and 0.5mol l-1 Li2 SO4 aqueous solution as electrolyte. Due to the cross-over effect of Li+ ions in the coating, this ARLB delivers an output voltage of about 4.0V, a big breakthrough of the theoretic stable window of water, 1.229V. Its cycling is very excellent with Coulomb efficiency of 100% except in the first cycle. Its energy density can be 446Wh kg-1, about 80% higher than that for traditional lithium ion battery. Its power efficiency can be above 95%. Furthermore, its cost is low and safety is much reliable. It provides another chemistry for post lithium ion batteries.",

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AU - Wang, Xujiong

AU - Hou, Yuyang

AU - Zhu, Yusong

AU - Wu, Yuping

AU - Holze, Rudolf

PY - 2013

Y1 - 2013

N2 - New energy industry including electric vehicles and large-scale energy storage in smart grids requires energy storage systems of good safety, high reliability, high energy density and low cost. Here a coated Li metal is used as anode for an aqueous rechargeable lithium battery (ARLB) combining LiMn 2 O4 as cathode and 0.5mol l-1 Li2 SO4 aqueous solution as electrolyte. Due to the cross-over effect of Li+ ions in the coating, this ARLB delivers an output voltage of about 4.0V, a big breakthrough of the theoretic stable window of water, 1.229V. Its cycling is very excellent with Coulomb efficiency of 100% except in the first cycle. Its energy density can be 446Wh kg-1, about 80% higher than that for traditional lithium ion battery. Its power efficiency can be above 95%. Furthermore, its cost is low and safety is much reliable. It provides another chemistry for post lithium ion batteries.

AB - New energy industry including electric vehicles and large-scale energy storage in smart grids requires energy storage systems of good safety, high reliability, high energy density and low cost. Here a coated Li metal is used as anode for an aqueous rechargeable lithium battery (ARLB) combining LiMn 2 O4 as cathode and 0.5mol l-1 Li2 SO4 aqueous solution as electrolyte. Due to the cross-over effect of Li+ ions in the coating, this ARLB delivers an output voltage of about 4.0V, a big breakthrough of the theoretic stable window of water, 1.229V. Its cycling is very excellent with Coulomb efficiency of 100% except in the first cycle. Its energy density can be 446Wh kg-1, about 80% higher than that for traditional lithium ion battery. Its power efficiency can be above 95%. Furthermore, its cost is low and safety is much reliable. It provides another chemistry for post lithium ion batteries.

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An Aqueous Rechargeable Lithium Battery Using Coated Li Metal as Anode

Abstract

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