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A porous framework infiltrating Li-O-2 battery: a low-resistance and high-safety system
Zhang, YP; Li, YQ; Cui, ZH; Wang, JC; Yamamoto, O; Imanishi, N; Zhang, T
2020-04-01
Source PublicationSUSTAINABLE ENERGY & FUELS
ISSN2398-4902
Issue4Pages:1600
SubtypeArticle
AbstractLi-O-2 batteries, which have attracted great attention because of their high energy density, suffer from issues such as flammability of organic liquid electrolytes, corrosion of the Li anode and the shuttling effect of redox mediators. Using inorganic solid-state electrolytes (SSEs) can solve such issues. But high resistance at the SSE-electrode interfaces in these batteries hinders their further development. In this study, a "porous framework infiltrating (PFI)" concept is proposed. The framework is created on the surface of a garnet Li6.4La3Zr1.4Ta0.6O12 (LLZTO) ceramic by acid etching. After infiltrating a tiny amount of liquid electrolyte, this framework exhibits nonflammability and is thus ideal for high-safety applications. Moreover, the porous structure increases the contact area between the SSE and cathode, which can lower the interfacial resistance and improve the rate capability. Utilizing a Li-Sn alloy anode, the PFI Li-O-2 battery exhibits smooth charging platforms with different rates, a prolonged cycle life and a promising round-trip efficiency. Therefore, the PFI structure provides a new strategy to build safe and high-performance Li-O-2 batteries.
DOI10.1039/d0se00024h
WOS KeywordSOLID-STATE ELECTROLYTE ; LITHIUM ; AIR ; INTERFACE ; ANODE ; LI7LA3ZR2O12 ; CHALLENGES ; CATALYST ; CATHODE
Language英语
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28172
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, YP,Li, YQ,Cui, ZH,et al. A porous framework infiltrating Li-O-2 battery: a low-resistance and high-safety system[J]. SUSTAINABLE ENERGY & FUELS,2020(4):1600.
APA Zhang, YP.,Li, YQ.,Cui, ZH.,Wang, JC.,Yamamoto, O.,...&Zhang, T.(2020).A porous framework infiltrating Li-O-2 battery: a low-resistance and high-safety system.SUSTAINABLE ENERGY & FUELS(4),1600.
MLA Zhang, YP,et al."A porous framework infiltrating Li-O-2 battery: a low-resistance and high-safety system".SUSTAINABLE ENERGY & FUELS .4(2020):1600.
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