| 摘要 |
<p>A negative electrode material for a nonaqueous secondary battery and a nonaqueous secondary battery, the nonaqueous secondary battery having a positive electrode and a negative electrode as essential components, in which a negative electrode material having a large discharging capacity, a silicon content of 30-90 % by weight and a carbon content of 10-70 % by weight is provided by heat-treating silicon or a silicon compound at 600-1500 °C in a non-oxidizing atmosphere in the presence of an organic material or a carbon material.</p> |
