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            ______   ______     ______    ______  
  ____     /_   _// |      \\  /_   _//  /_____// 
 |    \\    -| ||-  |  --  //   -| ||-   `____ `  
 | [] ||    _| ||_  |  --  \\   _| ||_   /___//   
 |  __//   /_____// |______//  /_____//  `__ `    
 |_|`-`    `-----`  `------`   `-----`   /_//     
 `-`                                     `-`

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Text this: Layered VOPO4 as a cathode material for rechargeable Zinc-ion battery : effect of polypyrrole intercalation in the host and water concentration in the electrolyte