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  2. Drinking water quality standards - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality...

    Drinking water quality standards describes the quality parameters set for drinking water. Water may contain many harmful constituents, yet there are no universally recognized and accepted international standards for drinking water. Even where standards do exist, the permitted concentration of individual constituents may vary by as much as ten ...

  3. Energy density Extended Reference Table - Wikipedia

    en.wikipedia.org/wiki/Energy_density_Extended...

    battery, Lithium-ion nanowire: 2.54: 95% [clarification needed] [13] battery, Lithium Thionyl Chloride (LiSOCl2) [14] 2.5: Water 220.64 bar, 373.8 °C [citation needed] [clarification needed] 1.968: 0.708: Kinetic energy penetrator [clarification needed] 1.9: 30: battery, Lithium–Sulfur [15] 1.80 [16] 1.26: battery, Fluoride-ion [citation ...

  4. Potassium-ion battery - Wikipedia

    en.wikipedia.org/wiki/Potassium-ion_battery

    The potassium-ion has certain advantages over similar lithium-ion (e.g., lithium-ion batteries): the cell design is simple and both the material and the fabrication procedures are cheaper. The key advantage is the abundance and low cost of potassium in comparison with lithium, which makes potassium batteries a promising candidate for large ...

  5. Standard electrode potential (data page) - Wikipedia

    en.wikipedia.org/wiki/Standard_electrode...

    The data below tabulates standard electrode potentials (E°), in volts relative to the standard hydrogen electrode (SHE), at: Temperature 298.15 K (25.00 °C; 77.00 °F); Effective concentration (activity) 1 mol/L for each aqueous or amalgamated (mercury-alloyed) species; Unit activity for each solvent and pure solid or liquid species; and

  6. Lithium-ion battery - Wikipedia

    en.wikipedia.org/wiki/Lithium-ion_battery

    A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.

  7. Lithium polymer battery - Wikipedia

    en.wikipedia.org/wiki/Lithium_polymer_battery

    A lithium polymer battery, or more correctly, lithium-ion polymer battery (abbreviated as LiPo, LIP, Li-poly, lithium-poly, and others), is a rechargeable battery of lithium-ion technology using a polymer electrolyte instead of a liquid electrolyte. Highly conductive semisolid polymers form this electrolyte.

  8. Water quality law - Wikipedia

    en.wikipedia.org/wiki/Water_quality_law

    Water designated for human consumption as drinking water may be subject to specific drinking water quality standards. In the United States, for example, such standards have been developed by EPA under the Safe Drinking Water Act, [14] are mandatory for public water systems, [15] and are enforced via a comprehensive monitoring and correction ...

  9. Environmental impacts of lithium-ion batteries - Wikipedia

    en.wikipedia.org/wiki/Environmental_impacts_of...

    This type of battery is also referred to as a lithium-ion battery [1] and is most commonly used for electric vehicles and electronics. [1] The first type of lithium battery was created by the British chemist M. Stanley Whittingham in the early 1970s and used titanium and lithium as the electrodes.