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水系电解液重要研究进展：CO2诱导形成界面SEI膜实现 Water-in-Salt到Salt-in-Water转变（图）
CO2诱导 水系电解液 界面SEI膜 Water-in-Salt
2023/1/6
近年来，水系二次电池因为安全、绿色和低成本受到研究人员广泛关注，但受限于水系电解液电化学窗口窄，水系二次电池存在输出电压低，能量密度低，自放电高以及循环寿命差等问题，从而大大限制了其广泛应用。为了实现宽电位水系电解液，超高盐浓度Water-in-salt电解液被提出，通过提高盐浓度实现溶剂-离子相互作用调制降低水的电化学活性和实现SEI离子导体钝化膜，成功将水系电解液电化学窗口拓宽至3V及以上（S...
近日，中国科学院物理研究所/北京凝聚态物理国家研究中心清洁能源重点实验室E01组岳金明博士生在索鎏敏副研究员的指导下，以浓度为核心变量，采用磷酸钒钠正极为研究对象，针对高盐浓度抑制电极溶解机制问题展开了系统研究。研究表明，在超高盐浓度Water-in-salt电解液中，电极材料溶解得到了很好的抑制，磷酸钒钠正极结构稳定性大大提高，电池电化学性能得到明显提升。31 m WIBS体系中在低倍率0.2C...
微咸水入渗水量对土壤水盐运移特征的影响（Effect on Characteristics of Soil Water and Salt Movement about Saline Water Infiltration with Different Infiltration Amount）
微咸水 含水率 含盐量 脱盐效率
2010/12/28
通过室内3g/L微咸水的入渗试验，分析了不同微咸水入渗水量对土壤剖面含水率、含盐量、脱盐效率和阳离子分布的影响。结果表明，利用3g/L的微咸水进行垂直一维积水入渗，入渗水量较小时，基质势是水分运动的主要动力，入渗量继续增大时，重力势逐渐取代基质势成为水分运动的主要动力；采用3g/L的微咸水入渗，可以使上层土壤脱盐，但使湿润锋处的含盐量急剧增加且达到最大值；湿润锋处含盐量与入渗水量符合指数函数...
Estimating the Water and Salt Budgets of a Stratified Estuary
Water and Salt Budgets Stratified Estuary
2009/10/29
Small tidal range, low salinity, moderate temperature and salinity stratification
during summer which becomes weaker during winter, abundant fresh water inflow
and connection through a shallow sill ...
The Exchange of Water and Salt across the Drogden Sill in Øresund September 1993-November 1994
Exchange of Water and Salt Drogden Sill
2009/10/23
In this paper accurate hourly time series of water and salt transport across the
Drogden Sill in Bresuncl are presented for a period of more than one year. The
investigation is based on nieasured cu...
A Model for the Exchange of Water and Salt Between the Baltic and the Skagerrak
the Baltic the Skagerrak Salt Water
2009/2/5
A model for the exchange of salt and water between the Baltic and the Sea (the Skagerrak) is presented. Because of strong inter-basin interactions in the Baltic entrance area, the model must include t...