Ag(x)VOPO(4): A Demonstration of the Dependence of Battery-Related Electrochemical Properties of Silver Vanadium Phosphorous Oxides on Ag / V Ratios.

Ag(x)VOPO(4): A Demonstration of the Dependence of Battery-Related Electrochemical Properties of Silver Vanadium Phosphorous Oxides on Ag / V Ratios.
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DOI:
10.1016/j.jpowsour.2010.11.144
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发表时间:
2011-03-15
影响因子:
9.2
通讯作者:
Takeuchi, Esther S.
Takeuchi, Esther S.
中科院分区:
工程技术2区
文献类型:
--
作者:
Kim, Young Jin;Lee, Chia-Ying;Marschilok, Amy C.;Takeuchi, Kenneth J.;Takeuchi, Esther S.

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作为银钒磷氧化物(AgxVyOzPO_4)研究的一部分,本文首次报道了低Ag/V比银钒磷氧化物(Ag_(0.48)VOPO_4·1.9H_2 O)的电化学还原。与Ag 2 VO 2 PO 4还原反应类似,当Ag0.48VOPO4·1.9H2O还原为0.37电子当量时,原位形成银金属纳米粒子,沿着电导率增加。然而,与我们的锂/Ag 2 VO 2 PO 4电池相比,我们的锂/ Ag0.48VOPO4·1.9H2O电池显示出更高的放电电压和特征性的多平台电压曲线,其中钒还原是第一还原步骤。
As a part of our on-going study on silver vanadium phosphorous oxides (AgxVyOzPO4), we report here the first study of the electrochemical reduction of a low Ag/V ratio silver vanadium phosphorous oxide, Ag0.48VOPO4·1.9H2O. Reminiscent of Ag2VO2PO4 reduction, in-situ formation of silver metal nanoparticles along with an associated increase in conductivity were observed after reduction of Ag0.48VOPO4·1.9H2O with 0.37 electron equivalents. However, in contrast to our lithium / Ag2VO2PO4 cells, our lithium / Ag0.48VOPO4·1.9H2O cells displayed an even higher voltage on discharge and a characteristic multi-plateau voltage profile, where vanadium reduction was the first reduction step.
银色泛氧化物银氧化物的电化学还原,Ag(2)VO(2)PO(4):导电金属银纳米颗粒的形成。
DOI: 10.1021/cm902102k
发表时间: 2009-10-27
影响因子: 8.6
作者:
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发表时间: 1993-05-21
期刊: JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS
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影响因子: 9.2
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