网络氧化还原冻结 网络释义 1. 氧化还原冻结 这一氧化还原冻结(redox freezing)过程将会形成一个富金刚石的地幔域,其中,钙钛矿和石榴石中Fe2+歧化作用所形成的Fe… blog.sciencenet.cn|基于 1 个网页
The hypothesis of redox freezing is based on the assumption that a Fe-Ni metal phase becomes stable in the peridotite mantle at increasing pressure and can serve as a reducer for carbonate-silicate melts. CO32- reduction and formation of elementary C (graphite or diamond) result in an ...
This 'redox freezing' process leads to diamond-enriched mantle domains in which the Fe(0), resulting from Fe(2+) disproportionation in perovskites and garnet, is consumed but the Fe(3+) preserved. When such carbon-enriched mantle heterogeneities become part of the upwelling mantle, diamond will...
W. Redox freezing and melting in the Earth’s deep mantle resulting from carbon–iron redox coupling. Nature 472, 209–212 (2011). Article ADS CAS Google Scholar Ryabchikov, I. D. & Kaminsky, F. V. Oxygen potential of diamond formation in the lower mantle. Geol. Ore Depos. 55, 1...
(SKIER-5) for Li batteries that remains stable in cold conditions as low as minus 20 degrees Celsius. By addressing the limitations of graphite as an anode material of conventional Li batteries under freezing conditions, SKIER-5 has the potential to be a superior alternative. This novel ...
Dong, Yun, Martin Steinhart, Hans-Jürgen Butt, and George Floudas.“Conductivity of Ionic Liquids In the Bulk and during Infiltration in Nanopores.”The Journal of Physical Chemistry B127, no. 31 (2023): 6958-6968. Lee, Byeongju, Incheol Cho, Mingu Kang, Daejong Yang, and Inkyu Pa...
Operating aqueous redox flow batteries (ARFBs) at low temperatures is prohibited by limited solubility of redox-active materials, freezing electrolytes and sluggish reaction kinetics. Here we report a multi-electron heteropoly acid (H6P2W18O62, HPOM) negolyte that enables high-performance ARFBs at...
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When operation of an all Cl− system occurs at, or below, freezing temperatures (i.e., 0° C.), the tank containing the electrolyte is preferably insulated to maintain waste heat from the flow battery, which can be approximately 20% of total energy. Operation above the freezing temperature...
0.25 mM sodium fluorescein was added to all samples as an external control prior to freezing in liquid nitrogen, after which the samples were stored at –80 °C until meas- ured. Low-temperature fluorescence emission was measured by exciting the samples with 470 nm...