Influence of surface coating on structure and properties of metallic lithium anode for rechargeable Li-O 2 battery | Zendy

Qiuling Chen | Zendy; Qing-Wei Wang | Zendy; Qiuhua Ma | Zendy; Qingqing Song | Zendy; Qiuping Chen | Zendy

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Influence of surface coating on structure and properties of metallic lithium anode for rechargeable Li-O 2 battery

Author(s) -

Qiuling Chen,

Qing-Wei Wang,

Qiuhua Ma,

Qingqing Song,

Qiuping Chen

Publication year - 2016

Publication title -

boletín de la sociedad española de cerámica y vidrio

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.462

H-Index - 24

eISSN - 2173-0431

pISSN - 0366-3175

DOI - 10.1016/j.bsecv.2016.10.002

Subject(s) - anode , lithium (medication) , materials science , electrolyte , battery (electricity) , cathode , electrochemistry , lithium metal , chemistry , physics , electrode , thermodynamics , medicine , power (physics) , endocrinology

Amorphous lithium phosphorous oxynitride film was coated directly on pre-treated lithium metal as anode of lithium air battery by radio-frequency sputtering technique from a Li3PO4 target. The structure and composition of modified anode was analyzed before and after charge/discharge test in a lithium-air battery, which comprises 0.5M LiNO3/TEGDME as the electrolyte and super P carbon as cathode. Batteries were galvanostatically discharged by an Arbin BT-2000 battery tester between open current voltage and 2.15V vs. Li+/Li at various current regimes ranging from 0.1–0.4mA/cm2. Compared with fresh lithium, LIPON-coated anode exhibited better electrochemical performance. Good charging efficiency of 90% at a narrower voltage gap with high ionic conductivity of 9.4×10−5S/cm was achieved through optimizing lithium pre-treated conditions, sputtering N2 flows and suitable solute for electrolyte

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