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  ______     ___      _  __     ___      ______  
 /_   _//   / _ \\   | |/ //   / _ \\   /_   _// 
 `-| |,-   | / \ ||  | ' //   | / \ ||    | ||   
   | ||    | \_/ ||  | . \\   | \_/ ||   _| ||   
   |_||     \___//   |_|\_\\   \___//   /__//    
   `-`'     `---`    `-` --`   `---`    `--`

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Text this: NiFeRu layered double hydroxide and its derivatives supported on graphite foam as binder-free cathode for nonaqueous Li-O2 batteries