I started fresh in survival mode and it was brutal. Hoth frozen planet.
Couple of tips that I discovered the hard way.
1 You can craft the power gel with carbon and plutonium. This can be used as a substitute for Thorium for life support charging.
2 You can craft a shielding sheet with iron and platinum. This can come in helpful if your enviromental shielding has failed and you need to make it to that next shelter. Charge your enviro shielding back up.
3 You can build a signal booster with platinum and iron to try to find Heredium to repair the pulse drive. Heredium is usually found in big blue pillars.
Watch out though. Sometimes there are better sources you will come across as you trek to a marker.
Pro tip: You can tunnel into the heredium and find shelter from the environment inside your tunnel. This can get you charged back up.