A new leak from Weibo states that Xiaomi is researching parallel charging technology. Future Xiaomi smartphones could use it to offer nearly double charging speeds, maybe even cross the 200W figure, which has been speculated for quite some time now.
https://www.notebookcheck.net/Xiaomi-s-parallel-charging-technology-could-let-you-charge-your-smartphone-battery-at-up-to-200W.539827.0.html