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  2. Biobattery - Wikipedia

    en.wikipedia.org/wiki/Biobattery

    Like any battery, bio-batteries consist of an anode, cathode, separator, and electrolyte with each component layered on top of another. Anodes and cathodes are the positive and negative areas on a battery that allow electrons to flow in and out. The anode is located at the top of the battery and the cathode is located at the bottom of the battery.

  3. Yōkan - Wikipedia

    en.wikipedia.org/wiki/Yōkan

    Yōkan is a wagashi made of red bean paste, agar, and sugar.It is usually sold in a block form, and eaten in slices. There are two main types: neri yōkan and mizu yōkan.

  4. Yacón - Wikipedia

    en.wikipedia.org/wiki/Yacón

    Yacón is a perennial herb which grows up to 2.5 meters in height. [1] The stem is cylindrical to angular and hollow when the plant is mature. Leaves are opposite and deltoid.

  5. Frog battery - Wikipedia

    en.wikipedia.org/wiki/Frog_battery

    Matteucci's frog battery, 1845 (top left); Aldini's frog battery, 1818 (bottom); apparatus for controlled exposure of gases to frog battery (top right). A frog battery is an electrochemical battery consisting of a number of dead frogs (or sometimes live ones), which form the cells of the battery connected in a series arrangement.

  6. Rechargeable alkaline battery - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_alkaline_battery

    The first generation rechargeable alkaline batteries were introduced by Union Carbide and Mallory in the early 1970s. [3] [5] Several patents were introduced after Union Carbide's product discontinuation and eventually, in 1986, Battery Technologies Inc of Canada was founded to commercially develop a 2nd generation product based on those patents, under the trademark "RAM".

  7. Dry cell - Wikipedia

    en.wikipedia.org/wiki/Dry_cell

    Dry cell battery by Wilhelm Hellesen 1890. Many experimenters tried to immobilize the electrolyte of an electrochemical cell to make it more convenient to use. The Zamboni pile of 1812 is a high-voltage dry battery but capable of delivering only minute currents. Various experiments were made with cellulose, sawdust, spun glass, asbestos fibers ...

  8. Water-activated battery - Wikipedia

    en.wikipedia.org/wiki/Water-activated_battery

    This battery type is specifically designed to pollute less (see environmentally friendly claims) due to the lesser use or the absence of heavy metals. Water-activated batteries have been used in radiosondes that shouldn't contain heavy metals since they regularly fall to the ground or ocean surface, and indefinitely remain there.

  9. Trickle charging - Wikipedia

    en.wikipedia.org/wiki/Trickle_charging

    Trickle charging is the process of charging a fully charged battery at a rate equal to its self-discharge rate, enabling the battery to remain at its fully charged level. This state occurs almost exclusively when the battery is not loaded, as trickle charging will not keep a battery charged if current is being drawn by a load.