Carbonaceous material, method for producing same, electrode active material for electrochemical device, electrode for electrochemical device, and electrochemical device

The purpose of the present invention is to provide: a carbonaceous material with which it is possible to obtain an electrochemical device having a high initial capacitance, a high effect of suppressing gas production during charging and discharging, and excellent durability; a method for producing the carbonaceous material; an electrode active material for an electrochemical device, which contains the carbonaceous material; an electrode for an electrochemical device, which uses the carbonaceous material; the present invention relates to a carbonaceous material having a BET specific surface area of 1550-2500 m2/g, an oxygen content/hydrogen content value of 1.00-2.10 mg/m2 per unit specific surface area, and an electrical conductivity of 10-15 S/cm as measured by powder resistance at a load of 12 kN. 本发明的目的在于，提供能够得到初始静电电容高、抑制充放电时的产气量的效果高且耐久性也优异的电化学设备的碳质材料及其制造方法、包含前述碳质材料的电化学设备用电极活性物质、使用了其的电化学设备用电极和电化学设备。本发明涉及碳质材料，其BET比表面积为1550~2500m2/g，每单位比表面积的氧含量/氢含量的值为1.00~2.10mg/m2，通过载荷为12kN时的粉体电阻测定而得的电导率为10~15S/cm。