Song Jinning was a scientist, and behaved like one. She pointed to a web page on the computer screen. "I just checked. There still hasn't been a breakthrough in graphene extraction technology, after all these years, which means it isn't possible to mass produce this battery."
As soon as Gu Nianzhi heard that it required years of polishing and refining by hand to obtain a tiny sliver of graphene material, she immediately put the brakes on her enthusiasm. "Oh well, forget I asked. I didn't know it was so troublesome."
"It's a lot of trouble, yes." Song Jinning nodded. "And it was pure luck that Huo Guanyuan found a graphite ore with a special molecular structure during one of his missions. It was a lot easier to separate single-layer graphene from that ore's surface. He gave that ore to my father as a gift, and my father gave it to me. I sanded the ore by hand during my free time, and that was how I obtained high quality single-layer graphene crystals from it."
