MediaWiki API result

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        "main": {
            "*": "Subscribe to the mediawiki-api-announce mailing list at <https://lists.wikimedia.org/postorius/lists/mediawiki-api-announce.lists.wikimedia.org/> for notice of API deprecations and breaking changes."
        },
        "revisions": {
            "*": "Because \"rvslots\" was not specified, a legacy format has been used for the output. This format is deprecated, and in the future the new format will always be used."
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    "query": {
        "pages": {
            "1223": {
                "pageid": 1223,
                "ns": 0,
                "title": "Real Time Gas Analyzer",
                "revisions": [
                    {
                        "contentformat": "text/x-wiki",
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                        "*": "<table id=\"toc\" style=\"width: 100%\">\n<tr>\n<td style=\"text-align: center; width: 33%\">[[Main_Page#Research Equipment, Devices and Techniques|Return to Research Tool Menu]]</td>\n\n</tr>\n</table> \n\nThis video provides operational instructions for the Real Time Gas Analyzer. This is used to analyze photo catalytically produced hydrogen at the Clean Energy Research and Training Testbeds.\n\n{{#ev:youtube|7f1A3Nmuybc}}"
                    }
                ]
            },
            "1190": {
                "pageid": 1190,
                "ns": 0,
                "title": "Redox Flow Battery",
                "revisions": [
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                        "*": "<table id=\"toc\" style=\"width: 100%\">\n<tr>\n<td style=\"text-align: left; width: 33%\">[[Lithium Ion Battery|Previous Topic]]</td>\n<td style=\"text-align: center; width: 33%\">[[Main_Page#Battery Types|Return to Battery Types Menu]]</td>\n<td style=\"text-align: right; width: 33%\">[[Supercapacitor|Next Topic]]</td>\n</tr>\n</table>\n== vanadium redox flow battery ==\n\n\nThe vanadium redox flow battery is a promising technology for grid scale energy storage. The tanks of reactants react through a membrane and charge is added or removed as the catholyte or anolyte are circulated. The large capacity can be used for load balancing on grids and for storing energy from intermittent sources such as wind and photovoltaics. The UET flow battery is the size of a shipping container and has 600kW power and 2.2MWh in capacity.\nUniEnergy Flow Battery\n\nUniEnergy Flow Battery\n\n== The Chemistry ==\n\n\nA flow battery consists of two tanks filled with chemicals in different oxidation states that react through a membrane. Charge is added or removed through two electrodes.\nExperimental Flow battery membrane at PNNL\n\n[[File:Pnnlflowbat.jpg|thumb|Experimental Flow battery membrane at PNNL]]\n\nOne tank contains V5/4  mixture and the other contains a V<sup>2+</sup>/<sup>3+</sup> mixture.\n\nDuring discharge in the negative half cell V<sup>2+</sup> is oxidized to V<sup>3+</sup> and the electron that is freed travels to the external circuit to perform work. At the same time in the positive half cell V<sup>5+</sup> is reduced to V4+ in the form of VO<sup>2+</sup>.  H+ ions pass through the membrane to maintain charge balance.\n\ncatholyte\n\n<math>VO^2 + 2H^+ - e^- \\leftrightarrow VO^{2+}</math>\n\nanolyte\n\n<math>V ^{3+} + e^-  \\leftrightarrow V^{2+}</math>\n\nDuring charging each reaction is reversed. The charge state of the battery is described by the ratio of the species in each oxidation state in the two tanks. Power and energy are decoupled so either can be optimized. Power can be increased by changing the number or area of the membrane stacks so that more reactants can participate. Energy is controlled by the size of the storage tanks.\n\n \n[[File:Pnnlflow_600.jpg|thumb|Experimental Flow Battery at PNNL]]\n\n== Links ==\n\n\nUniEnergy Technology\n\nhttp://www.uetechnologies.com/technology\n\n\n== Animation ==\n\n{{#ev:youtube|0Uk0GQNgtqg}}\n{{#ev:youtube|4ob3_8QjmR0}}\n\n\nSimplied animation\n\n \n\n \n\n\u201cEnergy competition is opening up in a variety of ways, the push for carbon control will continue, and the rate of technology advancement is exponential. All the things I\u2019ve seen at the CEI are just perfect for the way we see things going in energy. You guys are at the cutting edge. We\u2019re counting on you.\u201d\n\n    \u2013 Ronald Litzinger, President, Edison Energy"
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