WO2004040675-A2  GREGORY T. D. ET AL.: "Nonaqueous electrochemistry of Magnesium - Applications to energy storage" JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 137, no. 3, 1 March 1990 (1990-03-01), pages 775-780, XP000237613 ISSN: 0013-4651;  NOVAK P. ET AL.: "Electrochemical insertion of Magnesium in metal oxides and sulfides from aprotic electrolytes" JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 140, no. 1, 1993, pages 140-144, XP000548047 ISSN: 0013-4651;  NOVAK P. ET AL.: "Magnesium insertion electrodes for rechargeable nonaqueous batteries" ELECTROCHIMICA ACTA, vol. 45, 1999, pages 352-367, XP002153767 ISSN: 0013-4686WO2004040675-A3  NOVAK P. ET AL.: "Magnesium insertion electrodes for rechargeable nonaqueous batteries" ELECTROCHIMICA ACTA, vol. 45, 1999, pages 352-367, XP002153767 ISSN: 0013-4686;  NOVAK P. ET AL.: "Electrochemical insertion of Magnesium in metal oxides and sulfides from aprotic electrolytes" JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 140, no. 1, 1993, pages 140-144, XP000548047 ISSN: 0013-4651;  GREGORY T. D. ET AL.: "Nonaqueous electrochemistry of Magnesium - Applications to energy storage" JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 137, no. 3, 1 March 1990 (1990-03-01), pages 775-780, XP000237613 ISSN: 0013-4651;  NOVAK P. ET AL.: "Magnesium insertion electrodes for rechargeable nonaqueous batteries", ELECTROCHIMICA ACTA, vol. 45, 1999, pages 352 - 367, XP002153767, ISSN: 0013-4686;  NOVAK P. ET AL.: "Electrochemical insertion of Magnesium in metal oxides and sulfides from aprotic electrolytes", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 140, no. 1, 1993, pages 140 - 144, XP000548047, ISSN: 0013-4651;  GREGORY T. D. ET AL.: "Nonaqueous electrochemistry of Magnesium - Applications to energy storage", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 137, no. 3, 1 March 1990 (1990-03-01), pages 775 - 780, XP000237613, ISSN: 0013-4651;  NOVAK P. ET AL.: "Magnesium insertion electrodes for rechargeable nonaqueous batteries", ELECTROCHIMICA ACTA, vol. 45, 1999, pages 352 - 367, XP002153767, ISSN: 0013-4686,relevantClaims[1-72],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  NOVAK P. ET AL.: "Electrochemical insertion of Magnesium in metal oxides and sulfides from aprotic electrolytes", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 140, no. 1, 1993, pages 140 - 144, XP000548047, ISSN: 0013-4651,relevantClaims[1-72],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  GREGORY T. D. ET AL.: "Nonaqueous electrochemistry of Magnesium - Applications to energy storage", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 137, no. 3, 1 March 1990 (1990-03-01), pages 775 - 780, XP000237613, ISSN: 0013-4651,relevantClaims[1-72],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;]