Suppressing H(2) evolution by using a hydrogel for reversible Na storage in Na(3)V(2)(PO(4))(3).

Suppressing H(2) evolution by using a hydrogel for reversible Na storage in Na(3)V(2)(PO(4))(3).
复制标题

DOI:
10.1039/c9ra08402a
复制
发表时间:
2020-01-02
期刊:
影响因子:
3.9
通讯作者:
--
中科院分区:
化学3区
文献类型:
--
作者:

文献摘要

参考文献

相似文献

我们报道了一种低成本的水凝胶电解质,通过将3wt%的聚丙烯酸钠(PAAS)添加到1 M Na 2SO 4水溶液电解质中,其实现了在不锈钢集流体上从1 M Na 2SO 4水溶液电解质(AE)中的2.12V拓宽到2.45V的电化学稳定窗口(ESW)。此外,在钛集流体上,H2析出电位达到-1.75 V vs. Ag/AgCl。结果表明,PAAS的高分子网络结构具有与水分子相互作用的能力,能有效地限制析氢反应,拓宽了电解质溶液的ESW范围,使Na 3V 2(PO 4)3作为负极材料在电解质溶液中能够实现可逆的Na离子嵌入/脱嵌。含3wt%聚丙烯酸钠(PAAS)的水凝胶电解质的析氢抑制确保了Na 3V 2(PO 4)3作为负极的可逆Na离子存储。
We report a low-cost hydrogel electrolyte by adding 3 wt% poly(acrylate sodium) (PAAS) into 1 M Na2SO4 aqueous electrolyte, which achieves a widened electrochemical stability window (ESW) of 2.45 V on stainless steel current collector from 2.12 V in 1 M Na2SO4 aqueous electrolytes (AE). Moreover, the H2 evolution potential reaches −1.75 V vs. Ag/AgCl on titanium current collector. The results reveal that the polymer network structure of PAAS has the ability to interact with water molecules and thus the hydrogen evolution reaction can be limited effectively, which broadens the ESW of aqueous electrolyte and allows the reversible Na-ion intercalation/deintercalation of Na3V2(PO4)3 as an anode material in aqueous electrolyte reported for the first time. Hydrogen evolution suppression of hydrogel electrolyte with 3 wt% poly(acrylate sodium) (PAAS) ensures reversible Na-ion storage of Na3V2(PO4)3 as negative electrode.
DOI: 10.1016/j.jpowsour.2017.10.081
发表时间: 2018-01-01
影响因子: 9.2
作者:
Park, Chanbum;Kanduc, Matej;Dzubiella, Joachim
通讯作者: Dzubiella, Joachim
DOI: 10.1021/acsenergylett.7b00623
发表时间: 2017-09-01
期刊: ACS ENERGY LETTERS
影响因子: 22
作者:
Kuehnel, Ruben-Simon;Reber, David;Battaglia, Corsin
通讯作者: Battaglia, Corsin
DOI: 10.1016/j.nanoen.2016.09.024
发表时间: 2016-12-01
期刊: NANO ENERGY
影响因子: 17.6
作者:
Liu, Tiefeng;Wang, Bo;Zhang, Shanqing
通讯作者: Zhang, Shanqing
DOI: 10.1016/j.nanoen.2013.12.014
发表时间: 2014-03-01
期刊: NANO ENERGY
影响因子: 17.6
作者:
Deng, C.;Zhang, S.;Shang, Y.
通讯作者: Shang, Y.
DOI: 10.1038/nchem.763
发表时间: 2010-09-01
期刊: NATURE CHEMISTRY
影响因子: 21.8
作者:
Luo, Jia-Yan;Cui, Wang-Jun;Xia, Yong-Yao
通讯作者: Xia, Yong-Yao