Alkali/transition metal phosphates and related electrode active materials
Electrode active material comprising a compound of the formula A a + x ¢ M¹ 1 + x / 2 ¢ M ¢ º 1 - a / 2 ¢ P 1 - x ¢ S ¢ i x ¢ O 4 , wherein (a) A is selected from the group consisting of Li, Na, K, an…
