The upgraded Pixel Stand gets detailed in leaked marketing material. It charges faster, has active cooling, plus more. It's a good upgrade.
Charge your phone with a Pixel Stand - Pixel Phone Help
Pixel Stand 2 Realign phone for faster charging
The only Wireless Charger capable of 10W is the Google Pixel Stand : r/GooglePixel
Pixel Stand 2 Realign phone for faster charging
Review: Google Pixel Stand Wireless Charger (Phone Scoop)
Everything Google announced at its #MadeByGoogle Pixel event
Google Pixel Stand (2nd gen) review: nice but not a must-have - The Verge
Google Pixel Stand (2nd gen) review: Power with finesse
Google Pixel Stand (2nd Gen) - Wireless Charger - Fast Charging Pixel Phone Charger - Compatible with Pixel Phones and Qi Certified Devices : Cell Phones & Accessories
This Pixel Stand wireless charger deal is a must-have for fans of Google's phones
Teardown: Pixel Stand offers faster-than-Qi wireless charging for (some) Google fans - EDN Asia
Everything Google Announced at its October 9 Event