In an elevator apparatus, a main rope suspending a car and a balance weight is looped around a traction sheave and a driven sheave of a traction machine. In various embodiments, the vector construct includes one or more nucleic acid sequences selected from the group consisting of SEQ ID NO: 2, 4, 7, 9, 11, 13, 15, 17, 22, 24, 26, 28, 30, 32, 34, 36, or 38. The negative electrode includes a material mixture including a negative electrode active material and a binder.