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  ______    _____     _____      ___     _    _   
 /_____//  |  ___||  / ____||   / _ \\  | || | || 
 `____ `   | ||__   / //---`'  | / \ || | || | || 
 /___//    | ||__   \ \\___    | \_/ || | \\_/ || 
 `__ `     |_____||  \_____||   \___//   \____//  
 /_//      `-----`    `----`    `---`     `---`   
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Text this: Synthesis of uniform layered protonated titanate hierarchical spheres and their transformation to anatase TiO2 for lithium-ion batteries