Selected properties of sodium silicate glasses and their structural significance

Martinsen, W.E.

doi:10.31274/rtd-180813-326

Cited by 1 publication

(1 citation statement)

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“…However, it has a high conductive ion concentration in the pore solution and therefore has shown a higher passing of charge than other activation materials in alkali-activated slag mortars [31]. The electrical conductivity of most ordinary silicate glasses is due to the motion of alkali ions, especially sodium [32]. The total replacement of water with sodium silicate (SS 1) reduced both current and lifespan of the battery to almost nothing as seen in Figure 11.…”

Section: Sodium Silicatementioning

confidence: 99%

Optimising the Performance of Cement-Based Batteries

Byrne¹,

Barry²,

Holmes³

et al. 2017

Advances in Materials Science and Engineering

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The development of a battery using different cement-based electrolytes to provide a low but potentially sustainable source of electricity is described. The current, voltage, and lifespan of batteries produced using different electrolyte additives, copper plate cathodes, and (usually) aluminium plate anodes were compared to identify the optimum design, components, and proportions to increase power output and longevity. Parameters examined include water/cement ratio, anode to cathode surface area ratio, electrode material, electrode spacing, and the effect of sand, aggregate, salts, carbon black, silica fume, and sodium silicate on the electrolyte. The results indicate that the greatest and longest lasting power can be achieved using high proportions of water, carbon black, plasticiser, salts, and silica fume in the electrolyte and using a magnesium anode and copper cathode. This cell produced an open-circuit voltage of 1.55 V, a resistor-loaded peak current over 4 mA, maintaining over 1 mA for 4 days, and a quasi steady current of 0.59 mA with a lifespan of over 21 days.

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Section: Sodium Silicatementioning

confidence: 99%