| Autor: |
Jae-Kwang Kim, Wei Yang, Salim, Jason, Chao Ma, Chunwen Sun, Jianqi Li, Youngsik Kim |
| Předmět: |
|
| Zdroj: |
Journal of The Electrochemical Society; 2014, Vol. 161 Issue 3, pA285-A289, 5p |
| Abstrakt: |
In this work, we demonstrate a lithium-water battery that uses oxygen dissolved in water as a cathode, Sr0.95Ce0.05CoO3.8 (SCCO)-copper nanoparticles as an efficient bifunctional catalyst, and with hybrid electrolytes. The SCCO-Cu composite cataiyst exhibits an efficient and stable bifunctional catalytic activity, especially for the OER. The round-trip efficiency of the cell with SCCO-Cu nanoparticles catalyst reaches 84.1%, close to that of the 50% Pt/carbon-black catalyst (87.2%). The improved performance of the SCCO-Cu catalyst can be ascribed to the synergetic effect of SCCO and copper. The preliminary results demonstrate that the rechargeable lithium-water battery with oxygen dissolved in water flow can be achieved with high efficient and low cost oxide catalyst. This can be a good candidate for a large stationary energy storage system (ESS) with a low-cost. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
|
