A high-voltage all-solid-state lithium-ion battery with Li–Mn–Ni–O and silicon thin-film electrodes. (June 2015)

• Record Type: Journal Article
• Authors: Chen, Y.; Tang, Z.; Yang, S.; Wang, Y.; Chua, D.
• Is Part Of: Materials technology. Volume 30:Supplement A2(2015)
• Page Start: A58
• Page End: A63
• Publication Date: 2015-06
• Subjects: Materials -- Periodicals; Materials science -- Periodicals; Materials -- Technological innovations -- Periodicals; 620.1105
• DOI: 10.1179/17535557A15Y.000000002
• Languages: German
• ISSNs: 1066-7857

Abstract

<abstract> <title> <x content-type="archive" xml:space="preserve">Abstract</x> </title> <p>All-solid-state thin-film lithium-ion batteries are deemed a promising replacement for liquid electrolyte-based Li-ion batteries owing to their superior cycle life, compact structure, high energy and power densities with an extremely low self-discharge rate. However, the state-of-art all-solid-state Li-ion batteries mainly use thermal-evaporated lithium metal as anode, which considerably undermines their cost-effectiveness and also raises safety concerns of Li explosion. In this study, a spinel Li–Ni–Mn–O/lithium phosphorus oxynitride (LiPON)/Si-based all-solid-state Li-ion battery has been successfully developed using sputter-deposition technique. This Li-free all-solid-state Li-ion battery exhibited a high cut-off voltage of 4.55 V and superior cycling stability in a wide potential range from 3.0 to 4.55 V. The highest specific capacity of the spinel Li–Ni–Mn–O/LiPON/Si-based all-solid-state Li-ion battery achieved so far is 40 μAh cm^{− 2} and further optimisation is currently under way.</p> </abstract>