NDLI: A respiration-detective graphene oxide/lithium battery

Content Provider	Royal Society of Chemistry (RSC)
Author	Ye, Minghui Cheng, Huhu Qu, Liangti Gao, Jian Li, Changxia
Copyright Year	2016
Abstract	Typical lithium ion batteries can only supply electricity, but not detect human respiration at the same time. Herein, we report a self-powered and respiration-detective battery via the simple assembly of Li foil and a graphene oxide film (GOF) without additional electrolytes. In the Li–GOF battery, the GOF can rapidly capture and transfer the moisture originating from the exhaled gas. Meanwhile, Li foil serves as a micro-reactor to trigger the redox reaction between lithium and adsorbed moisture (2Li + 2H2O = 2LiOH + H2). The produced electrons flowing in an external circuit can reflect the rate and depth of respiration in real time. As an extra-power-free device, the respiration-detective Li–GOF battery can supply a specific capacity of 36.4 mA h cm−2, which is ca. 36 times higher than that of conventional lithium ion batteries. Interestingly, the battery can reversibly control the on/off of a light emitting diode by adsorbing/desorbing moisture, respectively. Even if submerged in water, the Li–GOF battery can light up a LED in water for over 1 hour, which can be applied for submarine search and rescue. Beyond this, the Li–GOF battery provides a new platform and allows the construction of a similar hybrid structure for various functions.
Starting Page	19154
Ending Page	19159
Page Count	6
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	4
Issue Number	48
Journal	Journal of Materials Chemistry A
DOI	10.1039/c6ta08569e
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Li Ion Cellular respiration Graphene Design Patterns Redox Lithium Diode Submarine
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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