Long-life Li–CO2 cells with ultrafine IrO2-decorated few-layered δ-MnO2 enabling amorphous Li2CO3 growth
Long-life Li–CO2 cells with ultrafine IrO2-decorated few-layered δ-MnO2 enabling amorphous Li2CO3 growth
复制标题
具有超细 IrO2 修饰的多层 π-MnO2 的长寿命 Li-CO2 电池,可实现非晶态 Li2CO3 生长
DOI:
10.1016/j.ensm.2018.08.011
复制
发表时间:
2018-08
期刊:
影响因子:
--
通讯作者:
X.B. Zhao
中科院分区:
文献类型:
--
作者:
Y.J Mao;C. Tang;Z.C. Tang;J. Xie;Z. Chen;J. Tu;G.S. Cao;X.B. Zhao
Li–CO2cell recently has captured an increasing interest since it can directly convert chemical energy of greenhouse gas CO2into electric energy. However, there is still a great challenge to realize long-term cycling of Li–CO2cell due to the sluggish CO2reduction/evolution kinetics. In this work, we prepared a highly efficient, ultrafine IrO2-decorated thin-layered δ-MnO2catalyst (IrO2/MnO2) which was directly grown on carbon cloth. The superior catalytic activity of IrO2/MnO2enables highly reversible deposition/removal of thin-layered amorphous Li2CO3on the surface of IrO2/MnO2nanoflakes, leading to high capacity and long cycle life of the Li–CO2cells. At 100 mA g−1, Li–CO2cell with the IrO2/MnO2catalytic cathode can deliver a high capacity of 6604 mA h g−1. In a capacity-limited charge/discharge mode (1000 mA h g−1), Li–CO2cell with the IrO2/MnO2cathode can maintain stable cycling of over 300 cycles at 400 mA g−1. In a full charge/discharge mode over a wide electrochemical window (2–4.5 V), the cell can also maintain stable cycling at high current densities (1070 mA h g−1remained after 200 cycles at 800 mA g−1).
登录
查看更多内容
影响因子:
3.9
作者:
Albertus, Paul;Girishkumar, G.;Luntz, A. C.
通讯作者:
Luntz, A. C.
影响因子:
3.4
作者:
Z. Wen;Chen Shen;Yan Lu
通讯作者:
Z. Wen;Chen Shen;Yan Lu
影响因子:
32.5
作者:
Liu, Yali;Wang, Rui;Chen, Liquan
通讯作者:
Chen, Liquan
影响因子:
15
作者:
Ogasawara, T;Débart, A;Bruce, PG
通讯作者:
Bruce, PG
影响因子:
3.3
作者:
Meini, Stefano;Tsiouvaras, Nikolaos;Gasteiger, Hubert A.
通讯作者:
Gasteiger, Hubert A.